技术领域technical field
本申请的实施例涉及通信技术领域，尤其涉及一种中继网络的数据传输方法及装置。Embodiments of the present application relate to the field of communication technologies, and in particular, to a data transmission method and device for a relay network.
背景技术Background technique
长期演进(long term evolution，LTE)中继(relay)技术是通过在网络中部署中继节点(relay node，RN)来转发基站(evolved universal terrestrial radio accessnetwork node B,eNB)和用户设备(user equipment，UE)之间数据的技术，可以增强网络容量，解决基站之间的回传连接，以及解决覆盖盲区。The long term evolution (long term evolution, LTE) relay (relay) technology is to forward the base station (evolved universal terrestrial radio access network node B, eNB) and user equipment (user equipment) by deploying a relay node (relay node, RN) in the network. , the technology of data between UEs can enhance network capacity, solve backhaul connections between base stations, and solve coverage blind spots.
面向5G(5th generation mobile networks or 5th generation wirelesssystems)的无线中继组网场景中，除支持LTE relay的场景，也支持多跳无线中继和多连接场景。多跳无线中继的组网场景下，参与用户设备与基站之间数据转发的中继节点数量至少有两个，该中继节点数量即为跳数。In wireless relay networking scenarios for 5G (5th generation mobile networks or 5th generation wireless systems), in addition to supporting LTE relay scenarios, it also supports multi-hop wireless relay and multi-connection scenarios. In the multi-hop wireless relay networking scenario, there are at least two relay nodes participating in data forwarding between the user equipment and the base station, and the number of relay nodes is the number of hops.
在多跳无线中继组网场景下，中继节点可以采用逐跳的无线链路控制(radiolink control，RLC)管理，即每个中继节点可以直接采用5G/NR(new radio,NR)的方式来处理发往下一跳或上一跳的数据。In the multi-hop wireless relay networking scenario, the relay nodes can adopt hop-by-hop radio link control (radiolink control, RLC) management, that is, each relay node can directly adopt 5G/NR (new radio, NR) way to process the data sent to the next hop or previous hop.
但是，在一个具有多跳的中继网络中，中继节点可以有多种形态，例如，中继节点可以是层2中继节点，也可以是层3的中继节点。层2中继节点是指中继节点实现层2转发，层3中继节点是指中继节点可以独立管理用户，相当于一个基站，即具有RRC等高层的功能。However, in a multi-hop relay network, relay nodes may have various forms, for example, a relay node may be a layer 2 relay node or a layer 3 relay node. A layer 2 relay node refers to a relay node that implements layer 2 forwarding, and a layer 3 relay node refers to a relay node that can manage users independently, which is equivalent to a base station, that is, it has high-layer functions such as RRC.
层2中继节点设备简单，能实现高性能转发。但是在一个多跳的中继网络中，在有些场景下，层2中节点也会带来一些问题而导致延迟过大或连接中断。Layer 2 relay node equipment is simple and can achieve high-performance forwarding. But in a multi-hop relay network, in some scenarios, the nodes in layer 2 will also cause some problems, resulting in excessive delay or connection interruption.
发明内容Contents of the invention
本申请的实施例提供一种中继网络的数据传输方法及装置，能够降低延迟，降低连接中断的概率。Embodiments of the present application provide a data transmission method and device for a relay network, which can reduce delay and reduce the probability of connection interruption.
为达到上述目的，本申请实施例采用如下技术方案：In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:
第一方面，提供一种数据传输方法，该中继网络的数据传输方法，应用于第一通信设备或第一通信设备中的芯片，第一通信设备为中继网络的中继节点。具体的，本申请实施例提供的数据传输方法为：第一通信设备接收第二通信设备发送的无线资源控制RRC功能的配置信息，RRC功能的配置信息用于指示第一通信设备激活预定的RRC功能；第一通信设备根据RRC功能的配置信息激活预定的RRC功能；第一通信设备向第二通信设备发送反馈信息，反馈信息用于通知第二通信设备预定的RRC功能激活成功。这样，第一通信设备可以通过激活的RRC功能直接处理第三通信设备的部分RRC信令，而不必通过第一通信设备处理，这样减少了RRC信令在网络中转发的次数，降低延迟以及连接中断的概率。In a first aspect, a data transmission method is provided. The data transmission method for a relay network is applied to a first communication device or a chip in the first communication device, and the first communication device is a relay node of the relay network. Specifically, the data transmission method provided by the embodiment of the present application is: the first communication device receives the configuration information of the radio resource control RRC function sent by the second communication device, and the configuration information of the RRC function is used to instruct the first communication device to activate a predetermined RRC Function: the first communication device activates a predetermined RRC function according to the configuration information of the RRC function; the first communication device sends feedback information to the second communication device, and the feedback information is used to notify the second communication device that the predetermined RRC function is successfully activated. In this way, the first communication device can directly process part of the RRC signaling of the third communication device through the activated RRC function without having to be processed by the first communication device, which reduces the number of times RRC signaling is forwarded in the network, reduces delay and connection probability of interruption.
为保障第一通信设备和第三通信设备之间信息交互的安全性，RRC功能的配置信息包含第二通信设备配置给第一通信设备的安全参数；其中，第三通信设备设置有安全参数；这样，第一通信设备根据所述RRC功能的配置信息激活预定的RRC功能后，根据安全参数向第三通信设备发送第一RRC信令，以便第三通信设备根据安全参数解密所述第一RRC信令；或者，第一通信设备根据RRC功能的配置信息激活预定的RRC功能后，接收第三通信设备根据安全参数发送的第二RRC信令，并根据安全参数解密所述第二RRC信令。In order to ensure the security of information exchange between the first communication device and the third communication device, the configuration information of the RRC function includes security parameters configured by the second communication device to the first communication device; wherein, the third communication device is set with security parameters; In this way, after the first communication device activates the predetermined RRC function according to the configuration information of the RRC function, it sends the first RRC signaling to the third communication device according to the security parameters, so that the third communication device decrypts the first RRC signaling according to the security parameters. Signaling; or, after the first communication device activates a predetermined RRC function according to the configuration information of the RRC function, it receives the second RRC signaling sent by the third communication device according to the security parameter, and decrypts the second RRC signaling according to the security parameter .
此外，第一通信设备和第二通信设备可以使用相同的安全参数对第一通信设备与第三通信设备之间的信息交互进行加密和完整性保护，以及对第二通信设备与第三通信设备之间的信息交互进行加密和完整性保护。安全参数包括安全算法、密钥以及所述安全算法的计数值；第一通信设备根据安全参数向第三通信设备发送第一RRC信令之后，第一通信设备向第二通信设备同步安全参数的安全算法的计数值；或者，第一通信设备根据安全参数解密第二RRC信令之后，第一通信设备向第二通信设备同步安全参数的安全算法的计数值。In addition, the first communication device and the second communication device may use the same security parameters to encrypt and protect the integrity of the information exchange between the first communication device and the third communication device, and to The information exchange between them is encrypted and integrity protected. The security parameter includes a security algorithm, a key, and a count value of the security algorithm; after the first communication device sends the first RRC signaling to the third communication device according to the security parameter, the first communication device synchronizes the security parameter with the second communication device The count value of the security algorithm; or, after the first communication device decrypts the second RRC signaling according to the security parameter, the first communication device synchronizes the count value of the security algorithm of the security parameter to the second communication device.
可选的，第二通信设备也可以不对通过第一通信设备发往第三通信设备的信息执行加密和完整性保护，第一通信设备也不对转发至第二通信设备的第三通信设备发送的信息执行加密和完整性保护。这样第一通信设备不需要向第二通信设备同步安全算法的计数值。Optionally, the second communication device may not perform encryption and integrity protection on the information sent by the first communication device to the third communication device, and the first communication device does not forward the information sent by the third communication device to the second communication device. Information is encrypted and integrity protected. In this way, the first communication device does not need to synchronize the count value of the security algorithm with the second communication device.
可选的，第一通信设备和第二通信设备可以使用不同的安全参数，例如对第一通信设备与第三通信设备之间的信息交互采用安全参数进行加密和完整性保护，对第二通信设备与第三通信设备之间的信息交互采用安全参数进行加密和完整性保护。这样第一通信设备不需要向第二通信设备同步安全算法的计数值。Optionally, the first communication device and the second communication device may use different security parameters, for example, security parameters are used for encryption and integrity protection for the information exchange between the first communication device and the third communication device, and for the second communication The information exchange between the device and the third communication device adopts security parameters for encryption and integrity protection. In this way, the first communication device does not need to synchronize the count value of the security algorithm with the second communication device.
可选的，RRC功能包括：切换功能；第一通信设备根据RRC功能的配置信息激活预定的RRC功能，之后包括：获取第二通信设备发送的拓扑配置信息，拓扑配置信息包括至少一个其他通信设备；至少一个其他通信设备包括：中继网络中中继节点以外的其他中继节点；在至少一个其他通信设备中确定目标通信设备，并向第三通信设备发送切换命令，其中切换命令包括目标通信设备的标识。Optionally, the RRC function includes: a switching function; the first communication device activates a predetermined RRC function according to the configuration information of the RRC function, and then includes: obtaining topology configuration information sent by the second communication device, and the topology configuration information includes at least one other communication device ; At least one other communication device includes: other relay nodes other than the relay node in the relay network; determine the target communication device in at least one other communication device, and send a switching command to the third communication device, wherein the switching command includes the target communication The identity of the device.
可选的，RRC功能包括：切换功能；第一通信设备根据RRC功能的配置信息激活预定的RRC功能，之后包括：获取第三通信设备发送的测量上报信息，测量上报信息包含导频配置或导频配置的标识；获取第二通信设备发送的导频配置信息，导频配置信息包含其他通信设备的标识，以及其他通信设备对应的导频配置或导频配置的标识；其他通信设备包括：中继网络中所述中继节点以外的其他中继节点；根据测量上报信息以及导频配置信息确定目标通信设备，并向第三通信设备发送切换命令，其中节点切换命令包括目标通信设备的标识。Optionally, the RRC function includes: a switching function; the first communication device activates a predetermined RRC function according to the configuration information of the RRC function, and then includes: obtaining measurement report information sent by the third communication device, and the measurement report information includes pilot configuration or pilot The identification of the frequency configuration; obtain the pilot configuration information sent by the second communication device, the pilot configuration information includes the identification of other communication devices, and the corresponding pilot configuration or the identification of the pilot configuration of other communication devices; other communication devices include: A relay node other than the relay node in the network; determine a target communication device according to measurement report information and pilot configuration information, and send a handover command to a third communication device, wherein the node handover command includes an identifier of the target communication device.
第二方面，提供一种数据传输装置，该数据传输装置为中继网络的中继节点或中继节点中的芯片。具体的，数据传输装置包括接收单元、处理单元和发送单元。本申请提供的各个单元模块所实现的功能具体如下：上述接收单元用于接收第二通信设备发送的无线资源控制RRC功能的配置信息，RRC功能的配置信息用于指示第一通信设备激活预定的RRC功能；处理单元，用于根据接收单元获取的RRC功能的配置信息激活预定的RRC功能；发送单元，用于向第二通信设备发送反馈信息，反馈信息用于通知第二通信设备预定的RRC功能激活成功。In a second aspect, a data transmission device is provided, and the data transmission device is a relay node of a relay network or a chip in the relay node. Specifically, the data transmission device includes a receiving unit, a processing unit and a sending unit. The functions implemented by each unit module provided in this application are as follows: the receiving unit is used to receive the configuration information of the radio resource control RRC function sent by the second communication device, and the configuration information of the RRC function is used to instruct the first communication device to activate the predetermined RRC function; the processing unit is used to activate the predetermined RRC function according to the configuration information of the RRC function obtained by the receiving unit; the sending unit is used to send feedback information to the second communication device, and the feedback information is used to notify the second communication device of the predetermined RRC function Function activation was successful.
可选的，RRC功能的配置信息包含第二通信设备配置给所述第一通信设备的安全参数；其中，第三通信设备设置有安全参数；发送单元，还用于根据RRC功能的配置信息激活预定的RRC功能后，根据安全参数向第三通信设备发送第一RRC信令，以便第三通信设备根据安全参数解密所述第一RRC信令；或者，接收单元，还用于根据RRC功能的配置信息激活预定的RRC功能后，接收第三通信设备根据安全参数发送的第二RRC信令；处理单元，还用于根据安全参数解密接收单元接收的第二RRC信令。Optionally, the configuration information of the RRC function includes security parameters configured by the second communication device to the first communication device; wherein, the third communication device is set with security parameters; the sending unit is also configured to activate according to the configuration information of the RRC function After the predetermined RRC function, send the first RRC signaling to the third communication device according to the security parameter, so that the third communication device decrypts the first RRC signaling according to the security parameter; or, the receiving unit is also used for the RRC function according to the After the predetermined RRC function is activated by the configuration information, the second RRC signaling sent by the third communication device according to the security parameters is received; the processing unit is further configured to decrypt the second RRC signaling received by the receiving unit according to the security parameters.
可选的，安全参数包括安全算法、密钥以及安全算法的计数值；发送单元还用于在根据安全参数向所述第三通信设备发送第一RRC信令之后，向第二通信设备同步所述安全参数的安全算法的计数值；或者，发送单元，还用于在接收单元根据安全参数解密第二RRC信令之后，向第二通信设备同步安全参数的安全算法的计数值。Optionally, the security parameter includes a security algorithm, a key, and a count value of the security algorithm; the sending unit is further configured to, after sending the first RRC signaling to the third communication device according to the security parameter, synchronize the RRC signaling to the second communication device The count value of the security algorithm of the security parameter; or, the sending unit is further configured to synchronize the count value of the security algorithm of the security parameter to the second communication device after the receiving unit decrypts the second RRC signaling according to the security parameter.
可选的，RRC功能包括：第一通信设备切换功能；接收单元还用于获取第二通信设备发送的拓扑配置信息，拓扑配置信息包括至少一个其他通信设备；至少一个其他通信设备包括：中继网络中中继节点以外的其他中继节点；处理单元还用于在至少一个其他通信设备中确定目标通信设备，并通过发送单元向第三通信设备发送切换命令，其中切换命令包括目标通信设备的标识。Optionally, the RRC function includes: a switching function of the first communication device; the receiving unit is also used to obtain topology configuration information sent by the second communication device, the topology configuration information includes at least one other communication device; at least one other communication device includes: a relay Other relay nodes other than the relay node in the network; the processing unit is also used to determine the target communication device in at least one other communication device, and send a switching command to the third communication device through the sending unit, wherein the switching command includes the target communication device logo.
可选的，RRC功能包括：第一通信设备切换功能；接收单元还用于获取第三通信设备发送的测量上报信息，测量上报信息包含导频配置或导频配置的标识；接收单元还用于获取第二通信设备发送的导频配置信息，导频配置信息包含其他通信设备的标识，以及其他通信设备对应的导频配置或导频配置的标识；其他通信设备包括：中继网络中中继节点以外的其他中继节点；处理单元还用于，根据测量上报信息以及导频配置信息确定目标通信设备，并通过发送单元向第三通信设备发送切换命令，其中节点切换命令包括目标通信设备的标识。Optionally, the RRC function includes: a switching function of the first communication device; the receiving unit is also used to obtain the measurement report information sent by the third communication device, and the measurement report information includes the pilot configuration or the identifier of the pilot configuration; the receiving unit is also used to Obtain the pilot configuration information sent by the second communication device, the pilot configuration information includes the identification of other communication devices, and the corresponding pilot configuration or the identification of the pilot configuration of other communication devices; other communication devices include: relays in the relay network Other relay nodes other than the node; the processing unit is also used to determine the target communication device according to the measurement report information and pilot configuration information, and send a switching command to the third communication device through the sending unit, wherein the node switching command includes the target communication device logo.
第三方面，提供一种数据传输装置，该数据传输装置包括：一个或多个处理器、通信接口。其中，通信接口与一个或多个处理器耦合；数据传输装置通过通信接口与其他设备通信，处理器用于执行存储器中的计算机程序代码，计算机程序代码包括指令，使得数据传输装置执行如上述第一方面及其各种可能的实现方式所述的数据传输方法。In a third aspect, a data transmission device is provided, and the data transmission device includes: one or more processors, and a communication interface. Wherein, the communication interface is coupled with one or more processors; the data transmission device communicates with other devices through the communication interface, and the processor is used to execute the computer program code in the memory, and the computer program code includes instructions, so that the data transmission device performs the above-mentioned first The data transmission method described in the aspect and various possible implementations thereof.
第四方面，还提供一种计算机可读存储介质，该计算机可读存储介质中存储有指令；当其在数据传输装置上运行时，使得数据传输装置执行如上述第一方面及其各种可能的实现方式所述的数据传输方法。In the fourth aspect, there is also provided a computer-readable storage medium, the computer-readable storage medium stores instructions; when it runs on the data transmission device, the data transmission device executes the above-mentioned first aspect and its various possibilities. The data transmission method described in the implementation manner.
第五方面，还提供一种包括指令的计算机程序产品，当其在数据传输装置上运行时，使得数据传输装置执行如上述第一方面及其各种可能的实现方式所述的数据传输方法。In a fifth aspect, there is also provided a computer program product including instructions, which, when run on a data transmission device, cause the data transmission device to execute the data transmission method described in the above first aspect and various possible implementations thereof.
在本申请中，上述数据传输装置的名字对设备或功能模块本身不构成限定，在实际实现中，这些设备或功能模块可以以其他名称出现。只要各个设备或功能模块的功能和本申请类似，属于本申请权利要求及其等同技术的范围之内。In this application, the names of the above-mentioned data transmission devices do not limit the equipment or functional modules themselves. In actual implementation, these equipment or functional modules may appear with other names. As long as the functions of each device or functional module are similar to those of the present application, they fall within the scope of the claims of the present application and their equivalent technologies.
本申请中第二方面、第三方面、第四方面、第五方面及其各种实现方式的具体描述，可以参考第一方面及其各种实现方式中的详细描述；并且，第二方面、第三方面、第四方面、第五方面及其各种实现方式的有益效果，可以参考第一方面及其各种实现方式中的有益效果分析，此处不再赘述。For the specific descriptions of the second aspect, the third aspect, the fourth aspect, the fifth aspect and their various implementations in this application, you can refer to the detailed descriptions in the first aspect and its various implementations; and, the second aspect, For the beneficial effects of the third aspect, the fourth aspect, the fifth aspect and various implementations thereof, reference may be made to the analysis of the beneficial effects in the first aspect and various implementations thereof, and will not be repeated here.
第六方面，提供一种中继网络的数据传输方法，应用于第二通信设备或第二通信设备中的芯片，第二通信设备为中继网络的宿主基站。具体的，中继网络的数据传输方法包括：第二通信设备向第一通信设备发送无线资源控制RRC功能的配置信息，RRC功能的配置信息用于指示第一通信设备激活预定的RRC功能；第二通信设备接收第一通信设备发送的反馈信息，反馈信息用于通知第二通信设备所述预定的RRC功能激活成功。这样，第一通信设备可以通过激活的RRC功能直接处理第三通信设备的部分RRC信令，而不必通过第一通信设备处理，这样减少了RRC信令在网络中转发的次数，降低了信令开销、减小了RRC信令发送的时延，降低连接中断的概率。In a sixth aspect, a data transmission method of a relay network is provided, which is applied to a second communication device or a chip in the second communication device, and the second communication device is a host base station of the relay network. Specifically, the data transmission method of the relay network includes: the second communication device sends configuration information of a radio resource control RRC function to the first communication device, and the configuration information of the RRC function is used to instruct the first communication device to activate a predetermined RRC function; The second communication device receives the feedback information sent by the first communication device, where the feedback information is used to notify the second communication device that the predetermined RRC function is activated successfully. In this way, the first communication device can directly process part of the RRC signaling of the third communication device through the activated RRC function without having to be processed by the first communication device, which reduces the number of times RRC signaling is forwarded in the network and reduces signaling Overhead, reducing the delay of RRC signaling transmission, reducing the probability of connection interruption.
为保障第一通信设备和第三通信设备之间信息交互的安全性，RRC功能的配置信息包含第二通信设备配置给第一通信设备的安全参数。In order to ensure security of information exchange between the first communication device and the third communication device, the configuration information of the RRC function includes security parameters configured by the second communication device to the first communication device.
可选的，第一通信设备和第二通信设备可以使用相同的安全参数对第一通信设备与第三通信设备之间的信息交互进行加密和完整性保护，以及对第二通信设备与第三通信设备之间的信息交互进行加密和完整性保护。安全参数包括安全算法、密钥以及所述安全算法的计数值；在第一通信设备根据安全参数向第三通信设备发送所述第一RRC信令后，第二通信设备获取所述第一通信设备同步的安全参数的安全算法的计数值；或者，在第一通信设备根据所述安全参数解密第二RRC信令后，第二通信设备获取所述第一通信设备同步的安全参数的安全算法的计数值。Optionally, the first communication device and the second communication device may use the same security parameters to encrypt and protect the integrity of the information interaction between the first communication device and the third communication device, and to Information exchange between communication devices is encrypted and integrity protected. The security parameter includes a security algorithm, a key, and a count value of the security algorithm; after the first communication device sends the first RRC signaling to the third communication device according to the security parameter, the second communication device obtains the first communication The count value of the security algorithm of the security parameter synchronized by the device; or, after the first communication device decrypts the second RRC signaling according to the security parameter, the second communication device acquires the security algorithm of the security parameter synchronized by the first communication device count value of .
第七方面，提供一种数据传输装置，数据传输装置为宿主基站或宿主基站中的芯片。具体的，该数据传输装置包括发送单元和接收单元。In a seventh aspect, a data transmission device is provided, where the data transmission device is a donor base station or a chip in the donor base station. Specifically, the data transmission device includes a sending unit and a receiving unit.
本申请提供的各个单元模块所实现的功能具体如下：The functions realized by each unit module provided by this application are as follows:
发送单元，用于向第一通信设备发送无线资源控制RRC功能的配置信息，RRC功能的配置信息用于指示第一通信设备激活预定的RRC功能；接收单元，用于接收第一通信设备发送的反馈信息，反馈信息用于通知第二通信设备预定的RRC功能激活成功。The sending unit is configured to send configuration information of the radio resource control RRC function to the first communication device, and the configuration information of the RRC function is used to instruct the first communication device to activate a predetermined RRC function; the receiving unit is configured to receive the configuration information sent by the first communication device Feedback information, where the feedback information is used to notify the second communication device that the predetermined RRC function is successfully activated.
可选的，RRC功能的配置信息包含第二通信设备配置给第一通信设备的安全参数。Optionally, the configuration information of the RRC function includes security parameters configured by the second communication device to the first communication device.
可选的，安全参数包括安全算法、密钥以及所述安全算法的计数值；接收单元还用于在所述第一通信设备根据安全参数向第三通信设备发送所述第一RRC信令后，获取所述第一通信设备同步的安全参数的安全算法的计数值；或者，接收单元还用于在第一通信设备根据安全参数解密所述第二RRC信令后，获取所述第一通信设备同步的所述安全参数的安全算法的计数值。Optionally, the security parameter includes a security algorithm, a key, and a count value of the security algorithm; the receiving unit is further configured to send the first RRC signaling to the third communication device after the first communication device sends the first RRC signaling according to the security parameter , acquiring the count value of the security algorithm of the security parameter synchronized by the first communication device; or, the receiving unit is further configured to acquire the first communication after the first communication device decrypts the second RRC signaling according to the security parameter The count value of the security algorithm of the security parameter synchronized by the device.
第八方面，提供一种数据传输装置，该数据传输装置包括：一个或多个处理器、通信接口。其中，通信接口与一个或多个处理器耦合；数据传输装置通过通信接口与其他设备通信，处理器用于执行存储器中的计算机程序代码，计算机程序代码包括指令，使得数据传输装置执行如上述第六方面及其各种可能的实现方式所述的数据传输方法。According to an eighth aspect, a data transmission device is provided, and the data transmission device includes: one or more processors, and a communication interface. Wherein, the communication interface is coupled with one or more processors; the data transmission device communicates with other devices through the communication interface, and the processor is used to execute the computer program code in the memory, and the computer program code includes instructions, so that the data transmission device performs the above-mentioned sixth The data transmission method described in the aspect and various possible implementations thereof.
第九方面，还提供一种计算机可读存储介质，该计算机可读存储介质中存储有指令；当其在数据传输装置上运行时，使得数据传输装置执行如上述第六方面及其各种可能的实现方式所述的数据传输方法。In the ninth aspect, there is also provided a computer-readable storage medium, the computer-readable storage medium stores instructions; when it runs on the data transmission device, the data transmission device executes the above-mentioned sixth aspect and its various possibilities. The data transmission method described in the implementation manner.
第十方面，还提供一种包括指令的计算机程序产品，当其在数据传输装置上运行时，使得数据传输装置执行如上述第六方面及其各种可能的实现方式所述的数据传输方法。In a tenth aspect, there is also provided a computer program product including instructions, which, when run on a data transmission device, cause the data transmission device to execute the data transmission method described in the sixth aspect and its various possible implementations.
在本申请中，上述数据传输装置的名字对设备或功能模块本身不构成限定，在实际实现中，这些设备或功能模块可以以其他名称出现。只要各个设备或功能模块的功能和本申请类似，属于本申请权利要求及其等同技术的范围之内。In this application, the names of the above-mentioned data transmission devices do not limit the equipment or functional modules themselves. In actual implementation, these equipment or functional modules may appear with other names. As long as the functions of each device or functional module are similar to those of the present application, they fall within the scope of the claims of the present application and their equivalent technologies.
本申请中第七方面、第八方面、第九方面、第十方面及其各种实现方式的具体描述，可以参考第六方面及其各种实现方式中的详细描述；并且，第七方面、第八方面、第九方面、第十方面及其各种实现方式的有益效果，可以参考第六方面及其各种实现方式中的有益效果分析，此处不再赘述。For the specific descriptions of the seventh aspect, the eighth aspect, the ninth aspect, the tenth aspect and their various implementation modes in this application, you can refer to the detailed descriptions in the sixth aspect and its various implementation modes; and, the seventh aspect, For the beneficial effects of the eighth aspect, the ninth aspect, the tenth aspect and various implementations thereof, reference may be made to the analysis of the beneficial effects in the sixth aspect and various implementations thereof, and will not be repeated here.
第十一方面，提供一种中继网络的数据传输方法，应用于第三通信设备或第三通信设备中的芯片，第三通信设备为中继网络的用户设备UE。具体的，中继网络的数据传输方法包括：第三通信设备获取安全参数；第三通信设备接收第一通信设备发送的第一RRC信令，并根据所述安全参数解密所述第一RRC信令；其中所述第一RRC信令为所述第一通信设备根据第二通信设备发送的RRC功能的配置信息激活预定的RRC功能后发送；或者，所述第三通信设备根据所述安全参数向所述第一通信设备发送所述第二RRC信令，以便所述第一通信设备根据第二通信设备发送的RRC功能的配置信息激活预定的RRC功能后，根据所述安全参数解密所述第二RRC信令。In an eleventh aspect, a data transmission method of a relay network is provided, which is applied to a third communication device or a chip in the third communication device, where the third communication device is a user equipment UE of the relay network. Specifically, the data transmission method of the relay network includes: the third communication device acquires security parameters; the third communication device receives the first RRC signaling sent by the first communication device, and decrypts the first RRC signaling according to the security parameters The first RRC signaling is sent by the first communication device after activating a predetermined RRC function according to the configuration information of the RRC function sent by the second communication device; or, the third communication device sends it according to the security parameter sending the second RRC signaling to the first communication device, so that after the first communication device activates a predetermined RRC function according to the configuration information of the RRC function sent by the second communication device, decrypt the Second RRC signaling.
第十二方面，提供一种数据传输装置，数据传输装置为用户设备UE或UE中的芯片。具体的，该数据传输装置包括获取单元、接收单元、处理单元和发送单元。A twelfth aspect provides a data transmission device, where the data transmission device is a user equipment UE or a chip in the UE. Specifically, the data transmission device includes an acquiring unit, a receiving unit, a processing unit and a sending unit.
本申请提供的各个单元模块所实现的功能具体如下：The functions realized by each unit module provided by this application are as follows:
获取单元，用于获取安全参数；接收单元，用于接收第一通信设备发送的第一RRC信令；An acquiring unit, configured to acquire security parameters; a receiving unit, configured to receive first RRC signaling sent by the first communication device;
处理单元，用于根据所述安全参数解密所述第一RRC信令；其中所述第一RRC信令为所述第一通信设备根据第二通信设备发送的RRC功能的配置信息激活预定的RRC功能后发送；或者，发送单元，用于根据所述安全参数向所述第一通信设备发送所述第二RRC信令，以便所述第一通信设备根据第二通信设备发送的RRC功能的配置信息激活预定的RRC功能后，根据所述安全参数解密所述第二RRC信令。A processing unit, configured to decrypt the first RRC signaling according to the security parameter; wherein the first RRC signaling activates a predetermined RRC for the first communication device according to the configuration information of the RRC function sent by the second communication device Send after the function; or, a sending unit, configured to send the second RRC signaling to the first communication device according to the security parameter, so that the first communication device sends the RRC function configuration according to the second communication device After the predetermined RRC function is activated by the information, the second RRC signaling is decrypted according to the security parameter.
第十三方面，提供一种数据传输装置，该数据传输装置包括：一个或多个处理器、通信接口。其中，通信接口与一个或多个处理器耦合；数据传输装置通过通信接口与其他设备通信，处理器用于执行存储器中的计算机程序代码，计算机程序代码包括指令，使得数据传输装置执行如上述第十一方面及其各种可能的实现方式所述的数据传输方法。According to a thirteenth aspect, a data transmission device is provided, and the data transmission device includes: one or more processors, and a communication interface. Wherein, the communication interface is coupled with one or more processors; the data transmission device communicates with other devices through the communication interface, and the processor is used to execute the computer program code in the memory, and the computer program code includes instructions, so that the data transmission device performs the above-mentioned tenth A data transmission method described in one aspect and various possible implementations thereof.
第十四方面，还提供一种计算机可读存储介质，该计算机可读存储介质中存储有指令；当其在数据传输装置上运行时，使得数据传输装置执行如上述第十一方面及其各种可能的实现方式所述的数据传输方法。In a fourteenth aspect, there is also provided a computer-readable storage medium, and instructions are stored in the computer-readable storage medium; when the computer-readable storage medium is run on the data transmission device, the data transmission device executes the above-mentioned eleventh aspect and its various The data transmission method described in one possible implementation manner.
第十五方面，还提供一种包括指令的计算机程序产品，当其在数据传输装置上运行时，使得数据传输装置执行如上述第十一方面及其各种可能的实现方式所述的数据传输方法。In the fifteenth aspect, there is also provided a computer program product including instructions, which, when run on the data transmission device, cause the data transmission device to perform the data transmission described in the above eleventh aspect and its various possible implementations method.
在本申请中，上述数据传输装置的名字对设备或功能模块本身不构成限定，在实际实现中，这些设备或功能模块可以以其他名称出现。只要各个设备或功能模块的功能和本申请类似，属于本申请权利要求及其等同技术的范围之内。In this application, the names of the above-mentioned data transmission devices do not limit the equipment or functional modules themselves. In actual implementation, these equipment or functional modules may appear with other names. As long as the functions of each device or functional module are similar to those of the present application, they fall within the scope of the claims of the present application and their equivalent technologies.
本申请中第十一方面至十五方面各种实现方式的有益效果，可以参考第一方面、第六方面及其各种实现方式中的有益效果分析，此处不再赘述。For the beneficial effects of the various implementations of the eleventh to fifteenth aspects of the present application, reference may be made to the analysis of the beneficial effects in the first aspect, the sixth aspect and various implementations thereof, which will not be repeated here.
本申请的这些方面或其他方面在以下的描述中会更加简明易懂。These or other aspects of the present application will be more clearly understood in the following description.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例描述中所需要使用的附图作简单的介绍。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments.
图1为本申请的实施例提供的一种中继网络拓扑结构示意图；FIG. 1 is a schematic diagram of a relay network topology provided by an embodiment of the present application;
图2为本申请的实施例提供的一种多跳无线中继组网场景示意图；FIG. 2 is a schematic diagram of a multi-hop wireless relay networking scenario provided by an embodiment of the present application;
图3为本申请的实施例提供的一种多跳多连接的组网场景示意图；FIG. 3 is a schematic diagram of a multi-hop multi-connection networking scenario provided by an embodiment of the present application;
图4为本申请的实施例提供的一种多跳中继网络的示意图；FIG. 4 is a schematic diagram of a multi-hop relay network provided by an embodiment of the present application;
图5为本申请的实施例提供的一种UE、RN、DgNB以及NGC的协议栈；FIG. 5 is a protocol stack of a UE, RN, DgNB, and NGC provided by an embodiment of the present application;
图6为本申请的另一实施例提供的一种多跳中继网络的示意图；FIG. 6 is a schematic diagram of a multi-hop relay network provided by another embodiment of the present application;
图7为本申请的实施例提供的一种手机的硬件结构示意图；FIG. 7 is a schematic diagram of a hardware structure of a mobile phone provided by an embodiment of the present application;
图8为本申请的实施例提供的一种RN的硬件结构示意图；FIG. 8 is a schematic diagram of a hardware structure of an RN provided by an embodiment of the present application;
图9为本申请的实施例提供的一种DgNB的硬件结构示意图；FIG. 9 is a schematic diagram of a hardware structure of a DgNB provided by an embodiment of the present application;
图10为本申请的实施例提供的一种中继网络的数据传输方法的信令交互示意图；FIG. 10 is a schematic diagram of signaling interaction of a data transmission method of a relay network provided by an embodiment of the present application;
图11为本申请的实施例提供的一种中继网络的数据传输方法中RN3的控制面的协议栈示意图；FIG. 11 is a schematic diagram of a protocol stack of a control plane of RN3 in a data transmission method of a relay network provided by an embodiment of the present application;
图12为本申请的实施例提供的一种中继网络的数据传输方法中的安全性方案一的信令交互示意图；FIG. 12 is a schematic diagram of signaling interaction of security scheme 1 in a data transmission method of a relay network provided by an embodiment of the present application;
图13为本申请的实施例提供的一种中继网络的数据传输方法中的安全性方案二的信令交互示意图；FIG. 13 is a schematic diagram of signaling interaction of security scheme 2 in a data transmission method of a relay network provided by an embodiment of the present application;
图14为本申请的实施例提供的一种中继网络的数据传输方法中的安全性方案三的信令交互示意图；FIG. 14 is a schematic diagram of signaling interaction of security scheme 3 in a data transmission method of a relay network provided by an embodiment of the present application;
图15为本申请的实施例提供的一种RN的切换方法示意图；FIG. 15 is a schematic diagram of an RN switching method provided by an embodiment of the present application;
图16为本申请的实施例提供的一种数据传输装置的结构示意图一；FIG. 16 is a first structural schematic diagram of a data transmission device provided by an embodiment of the present application;
图17为本申请的实施例提供的一种数据传输装置的结构示意图二；FIG. 17 is a second structural schematic diagram of a data transmission device provided by an embodiment of the present application;
图18为本申请的实施例提供的一种数据传输装置的结构示意图三。FIG. 18 is a third structural schematic diagram of a data transmission device provided by an embodiment of the present application.
具体实施方式Detailed ways
下面将结合本申请实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。下表1中提供了本申请的实施例提供的技术术语的中英文对照以及英文缩写形式：The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present application. The Chinese-English comparison and English abbreviation of the technical terms provided by the embodiments of the present application are provided in Table 1 below:
表1Table 1
在本申请的描述中，除非另有说明，“/”表示或的意思，例如，A/B可以表示A或B；本文中的“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。并且，在本申请的描述中，除非另有说明，“多个”是指两个或多于两个。另外，为了便于清楚描述本申请实施例的技术方案，本申请实施例中所述的“第一”和“第二”等是用于区别不同的对象，或者用于区别对同一对象的不同处理，而不是用于描述对象的特定顺序。In the description of this application, unless otherwise specified, "/" means or means, for example, A/B can mean A or B; "and/or" in this article is just a description of the relationship between associated objects, Indicates that there may be three relationships, for example, A and/or B, may indicate: A exists alone, A and B exist simultaneously, and B exists alone. And, in the description of the present application, unless otherwise specified, "plurality" means two or more than two. In addition, for the convenience of clearly describing the technical solutions of the embodiments of the present application, the "first" and "second" mentioned in the embodiments of the present application are used to distinguish different objects, or to distinguish different processes for the same object , not for describing a specific order of objects.
为了便于理解本申请，现对本申请实施例涉及到的相关概念进行描述。应理解，本申请中所有节点、消息的名称仅仅是本申请为描述方便而设定的名称，在实际网络中的名称可能不同，不应理解本申请限定各种节点、消息的名称，相反，任何具有和本申请中用到的节点或消息具有相同或类似功能的名称都视作本申请的方法或等效替换，都在本申请的保护范围之内，以下不再赘述。In order to facilitate understanding of the present application, related concepts involved in the embodiments of the present application are now described. It should be understood that the names of all nodes and messages in this application are only the names set by this application for the convenience of description, and the names in actual networks may be different. It should not be understood that this application limits the names of various nodes and messages. On the contrary, Any name that has the same or similar function as the node or message used in this application is regarded as a method of this application or an equivalent replacement, and is within the scope of protection of this application, and will not be repeated below.
在4G LTE系统中引入了中继技术(Relay)，通过在网络中部署中继节点RN来转发基站eNB和用户设备UE之间的数据，达到增强网络容量，解决基站之间的回传连接，以及解决覆盖盲区的目的。其简单的网络拓扑如图1所示。把供体基站/宿主基站DeNB和中继节点之间的链路叫做回传链路BH，中继节点和UE之间的链路叫做接入链路AC。The relay technology (Relay) is introduced in the 4G LTE system. By deploying the relay node RN in the network to forward the data between the base station eNB and the user equipment UE, it can enhance the network capacity and solve the backhaul connection between the base stations. And the purpose of solving coverage blind spots. Its simple network topology is shown in Figure 1. The link between the donor base station/donor base station DeNB and the relay node is called a backhaul link BH, and the link between the relay node and the UE is called an access link AC.
在面向新空口NR/5G Relay的无线中继组网场景中，除支持LTE Relay的场景，也支持多跳无线中继和多连接场景。图2示出多跳无线中继组网场景，无线接入网侧的网络拓扑可视为树状拓扑(Tree based topology)，即RN和为Relay服务的宿主基站DgNB有明确的层级关系，每一个中继节点将为其提供回传服务的节点视为唯一的上级节点。例如，中继节点RN2将为其提供回传服务的RN1视为上级节点；RN1的上级节点为DgNB。相应的，RN2所服务用户设备UE的上行数据包，将依次经由RN2、RN1、传输至宿主站点DgNB后，再由DgNB发送至网关设备(例如5G网络中的用户平面功能单元UPF)；下行数据包将由DgNB从移动网关设备处接收后，依次通过RN1、RN2发送至UE。In the wireless relay networking scenario for the new air interface NR/5G Relay, in addition to the LTE Relay scenario, it also supports the multi-hop wireless relay and multi-connection scenarios. Figure 2 shows a multi-hop wireless relay networking scenario. The network topology on the wireless access network side can be regarded as a tree-based topology (Tree based topology), that is, the RN and the host base station DgNB serving the relay have a clear hierarchical relationship. A relay node regards the node providing backhaul service as the only superior node. For example, the relay node RN2 regards the RN1 providing the backhaul service as an upper-level node; the upper-level node of the RN1 is the DgNB. Correspondingly, the uplink data packets of the user equipment UE served by RN2 will be transmitted to the host site DgNB through RN2 and RN1 in turn, and then sent by DgNB to the gateway device (such as the user plane function unit UPF in the 5G network); the downlink data packets After the packet is received by the DgNB from the mobile gateway device, it will be sent to the UE through RN1 and RN2 in turn.
图3展示了多跳多连接的组网场景，由于引入了多连接，一个中继节点可能由两个甚至多个上级节点(基站或中继节点)提供回传服务。如图3所示，RN1和RN4可以同时为RN2提供回传服务。相应的，UE1的上行数据可以经过RN2、RN1传至DgNB，也可以通过RN2、RN4，RN3传至DgNB；反之亦然。因此，RN2、RN1、DgNB构成了数据传输的一条路径，RN2、RN3、RN3、DgNB构成了构成了数据传输另一条路径。引入多跳多连接拓扑后，中继节点与中继节点之间的链路也可以称为BH链路。一般的，可采用跳数等级描述某一RN在网络中的位置。与宿主基站直接通信的RN的跳数等级为1，经由另一RN与宿主基站通信的RN的跳数等级为2，以此类推。引入多跳拓扑后，中继节点与中继节点之间的链路也可以称为BH链路。Figure 3 shows a multi-hop and multi-connection networking scenario. Due to the introduction of multiple connections, a relay node may be provided with backhaul services by two or more upper-level nodes (base stations or relay nodes). As shown in Figure 3, RN1 and RN4 can provide backhaul services for RN2 at the same time. Correspondingly, the uplink data of UE1 can be transmitted to DgNB through RN2, RN1, or can be transmitted to DgNB through RN2, RN4, RN3; and vice versa. Therefore, RN2, RN1, and DgNB constitute one path for data transmission, and RN2, RN3, RN3, and DgNB constitute another path for data transmission. After introducing the multi-hop multi-connection topology, the link between relay nodes can also be called a BH link. Generally, the hop level can be used to describe the position of a certain RN in the network. The hop level of the RN directly communicating with the donor base station is 1, the hop level of the RN communicating with the donor base station via another RN is 2, and so on. After the multi-hop topology is introduced, the link between relay nodes may also be called a BH link.
其中需要说明的是，宿主基站为中继节点接入到的基站，宿主基站与中继节点之间通过一跳或多跳无线链路建立连接。应理解，本申请中使用中继节点或relay仅是出于简化描述的需要，在5G网络中，也可能会采用其他的名称，如接入回传一体化IAB节点。本申请使用中继/relay并不限制本申请要保护的范围。在5G系统中宿主基站也可以由CU和DU组成。CU一般负责集中式无线资源和连接管理控制，DU一般包含实现分布式用户面处理功能，主要处理物理层功能和实时性需求较高的层2(L2，物理层)功能。It should be noted that the donor base station is a base station accessed by the relay node, and the connection between the donor base station and the relay node is established through a one-hop or multi-hop wireless link. It should be understood that the use of relay nodes or relays in this application is only for the purpose of simplifying the description. In 5G networks, other names may also be used, such as integrated IAB nodes for access and backhaul. The use of relay/relay in this application does not limit the protection scope of this application. In the 5G system, the host base station can also be composed of CU and DU. The CU is generally responsible for centralized wireless resource and connection management and control, and the DU generally includes the realization of distributed user plane processing functions, mainly processing physical layer functions and layer 2 (L2, physical layer) functions with high real-time requirements.
综上，把提供无线回程链路资源的节点，称为中继节点的上级节点，而把通过中继节点接入网络的节点称为中继节点的下级节点。通常，下级节点可以被看作是上级节点的一个用户设备UE。对应地，下行传输是指上级节点向下级节点传输信息或数据，上行传输是指下级节点向上级节点传输信息或数据。应理解，这里的中继节点可以是任何中继节点。此外，将RN的回传链路称为Un口。Un口包括RN与RN的上级节点之间的无线传输接口，或者RN与RN通信的无线传输接口。将RN或宿主基站为UE服务的接入链路称为Uu口。Uu口包括：RN与UE间的无线传输接口，或者宿主基站与UE之间的无线传输接口。To sum up, the node that provides wireless backhaul link resources is called the upper-level node of the relay node, and the node that accesses the network through the relay node is called the lower-level node of the relay node. Generally, a lower-level node can be regarded as a user equipment UE of a higher-level node. Correspondingly, the downlink transmission refers to the transmission of information or data by the upper-level node to the lower-level node, and the uplink transmission refers to the transmission of information or data by the lower-level node to the upper-level node. It should be understood that the relay node here may be any relay node. In addition, the backhaul link of the RN is called an Un interface. The Un interface includes a wireless transmission interface between the RN and the upper node of the RN, or a wireless transmission interface for communication between the RN and the RN. The access link through which the RN or the donor base station serves the UE is called a Uu interface. The Uu interface includes: a wireless transmission interface between the RN and the UE, or a wireless transmission interface between the donor base station and the UE.
示例性的，如图4所示，多跳中继网络包括宿主基站DgNB、中继节点RN 1～中继节点4，UE用户设备1～UE6。宿主基站与中继节点1和中继节点4直接通信，宿主基站与中继节点1之间的接口为Un1接口，宿主基站与中继节点4之间的接口为Un4接口。中继节点1与中继节点2之间的接口为Un2接口，中继节点2与中继节点3之间的接口为Un3接口。用户设备1通过Uu1接口与中继节点1通信，用户设备2通过Uu2接口与中继节点2通信，用户设备3通过Uu3接口与中继节点3通信，用户设备4通过Uu4接口与中继节点4通信，用户设备5通过Uu5接口与中继节点1通信，用户设备6通过Uu6接口与中继节点4通信。由于宿主基站与中继节点1和中继节点4直接通信，因此，中继节点1和中继节点4的跳数等级为1；中继节点2通过中继节点1与宿主基站通信，因此其跳数等级为2；类似的，中继节点5的跳数等级也为2；中继节点3通过中继节点2和中继节点1与宿主节点通信，因此其跳数等级为3。结合上述描述可知，中继节点1为中继节点2的中间转发节点，中继节点1和中继节点2为中继节点3的中间转发节点，中继节点1和中继节点2为用户设备3和用户设备5的中间转发节点等。中继节点1为用户设备1的服务节点，中继节点2为用户设备2的服务节点，中继节点3为用户设备3和用户设备5的服务节点，中继节点4为用户设备4和用户设备6的服务节点。对于跳数为1的中继节点，由于其直接与宿主基站通信，因此其上级节点为宿主基站。对应的，可以将该中继节点称为宿主基站的下级节点。Exemplarily, as shown in FIG. 4 , the multi-hop relay network includes a donor base station DgNB, relay nodes RN1-4, and UEs 1-UE6. The donor base station communicates directly with the relay node 1 and the relay node 4, the interface between the donor base station and the relay node 1 is the Un1 interface, and the interface between the donor base station and the relay node 4 is the Un4 interface. The interface between the relay node 1 and the relay node 2 is the Un2 interface, and the interface between the relay node 2 and the relay node 3 is the Un3 interface. User equipment 1 communicates with relay node 1 through Uu1 interface, user equipment 2 communicates with relay node 2 through Uu2 interface, user equipment 3 communicates with relay node 3 through Uu3 interface, and user equipment 4 communicates with relay node 4 through Uu4 interface For communication, the user equipment 5 communicates with the relay node 1 through the Uu5 interface, and the user equipment 6 communicates with the relay node 4 through the Uu6 interface. Since the donor base station communicates directly with the relay node 1 and the relay node 4, the hop level of the relay node 1 and the relay node 4 is 1; the relay node 2 communicates with the donor base station through the relay node 1, so its The hop level is 2; similarly, the hop level of the relay node 5 is also 2; the relay node 3 communicates with the host node through the relay node 2 and the relay node 1, so its hop level is 3. Based on the above description, it can be seen that relay node 1 is an intermediate forwarding node of relay node 2, relay node 1 and relay node 2 are intermediate forwarding nodes of relay node 3, and relay node 1 and relay node 2 are user equipment 3 and the intermediate forwarding node of the user equipment 5, etc. Relay node 1 is a serving node for user equipment 1, relay node 2 is a serving node for user equipment 2, relay node 3 is a serving node for user equipment 3 and user equipment 5, and relay node 4 is a serving node for user equipment 4 and user equipment 5. Service node for device 6. For a relay node with a hop count of 1, since it directly communicates with the donor base station, its superior node is the donor base station. Correspondingly, the relay node may be called a subordinate node of the donor base station.
Relay场景中，为使得在NR之间传输的数据可以少经历一些协议层的处理，以取得更短的时延，以及更小的信令开销，采用层2中继是一种比较好的选择。层2中继通常只具有部分的层2(Layer2，L2)协议栈，在多跳或多连接中继的场景中，可以将解析UE的PDCP层处理过的数据包对应的PDCP层置于宿主基站系统中，将解析UE的RLC层处理过的数据包对应的RLC层置于RN中。这样，对于UE的数据，RN仅完成适配层Adpt.层(adaptation layer)、PHY层、MAC层、RLC层的处理即可。In the Relay scenario, in order to make the data transmitted between NRs less likely to undergo some protocol layer processing to achieve shorter delays and smaller signaling overheads, it is a better choice to use layer 2 relays . Layer 2 relay usually only has a part of Layer 2 (Layer 2, L2) protocol stack. In the scenario of multi-hop or multi-connection relay, the PDCP layer corresponding to the data packet processed by the PDCP layer of the UE can be placed in the host In the base station system, the RLC layer corresponding to the data packet processed by the RLC layer of the UE is placed in the RN. In this way, for the data of the UE, the RN only needs to complete the processing of the adaptation layer, the Adpt. layer (adaptation layer), the PHY layer, the MAC layer, and the RLC layer.
具体的参照图5中的A示出了，UE、RN、DgNB和为UE提供服务的下一代核心网的实体NGC的用户面(user plane，UP)协议栈(图中记为NG-UP/UPF)。UE的用户面协议栈从上至下包括IP层、SDAP层、PDCP层、RLC层、MAC层和PHY层。RN与UE通信的用户面协议栈从上至下包括RLC层、MAC层和PHY层，与DgNB通信的用户面协议栈从上至下包括Adpt.层、RLC层、MAC层和PHY层。DgNB与RN通信的用户协议栈从上至下包括SDAP层、PDCP层、Adpt.层、RLC层、MAC层和PHY层，与NG-UP/UPF通信的用户面协议栈从上至下包括GTP-U层、UDP层、IP层、L2层和L1层。NG-UP/UPF中从上至下包括IP层、GTP-U层、UDP层、IP层、L2层和L1层。对于用户面的协议栈，UE的PDCP层的对等实体在DgNB，而UE的RLC层、MAC层和PHY层的对等实体在RN；中继节点转发PDCP PDU；PDCP PDU通过PDCP与RLC层之间增加的适配层(Adaptation Layer)进行处理。以下行传输为例：DgNB将PDCP PDU封装成适配层PDU然后递交给RLC层，适配层添加UEID，DRB ID等信息；RN根据UE ID，DRB ID选择对应的UE DRB对数据进行处理，然后发送给UE。Specifically referring to A in FIG. 5 , it shows that UE, RN, DgNB, and the user plane (user plane, UP) protocol stack of UE, RN, DgNB and the entity NGC of the next generation core network that provides services for UE (marked as NG-UP/ UPF). The user plane protocol stack of UE includes IP layer, SDAP layer, PDCP layer, RLC layer, MAC layer and PHY layer from top to bottom. The user plane protocol stack for RN to communicate with UE includes RLC layer, MAC layer and PHY layer from top to bottom, and the user plane protocol stack for communication with DgNB includes Adpt. layer, RLC layer, MAC layer and PHY layer from top to bottom. The user protocol stack for communication between DgNB and RN includes SDAP layer, PDCP layer, Adpt. layer, RLC layer, MAC layer and PHY layer from top to bottom, and the user plane protocol stack for communication with NG-UP/UPF includes GTP from top to bottom - U layer, UDP layer, IP layer, L2 layer and L1 layer. NG-UP/UPF includes IP layer, GTP-U layer, UDP layer, IP layer, L2 layer and L1 layer from top to bottom. For the protocol stack of the user plane, the peer entity of the PDCP layer of the UE is in the DgNB, and the peer entity of the RLC layer, MAC layer and PHY layer of the UE is in the RN; the relay node forwards the PDCP PDU; the PDCP PDU passes through the PDCP and the RLC layer The adaptation layer (Adaptation Layer) added between them is processed. Take the following downlink transmission as an example: DgNB encapsulates the PDCP PDU into an adaptation layer PDU and then submits it to the RLC layer, and the adaptation layer adds UEID, DRB ID and other information; RN selects the corresponding UE DRB to process the data according to the UE ID and DRB ID. Then send it to UE.
图5中的B示出了，UE、RN、DgNB和为UE提供服务的下一代核心网的实体NGC的控制面CP协议栈(图中记为NG-CP)。UE的控制面协议栈从上至下包括NAS层、RRC层、PDCP层、RLC层、MAC层和PHY层。RN与UE通信的控制面协议栈从上至下包括RLC层、MAC层和PHY层，与DgNB通信的控制面协议栈从上至下包括Adpt.层、RLC层、MAC层和PHY层。DgNB与RN通信的控制协议栈从上至下包括RRC层、PDCP层、Adpt.层、RLC层、MAC层和PHY层，与NG-CP通信的控制面协议栈从上至下包括NG-AP层、SCTP层、IP层、L2层和L1层。NG-CP中从上至下包括NAS层、NG-AP层、SCTP层、IP层、L2层和L1层。对于控制面的协议栈，UE的RRC层的对等实体部署在Donor节点。因此，RRC信令由PDCP完成加密和完整性保护后封装成PDCP PDU，然后通过RN转发。其中，Adpt.是指适配层(Adaptation Layer)，用于RN和DgNB之间转发数据时识别数据所属的UE和UE的DRB；SDAP层是NR相对于LTE新引入的协议层次，用于处理QoS flow到DRB的映射。RN与donor节点之间的接口还可能是F1AP，GTP隧道，或者是功能扩展的F1AP，GTP隧道等。B in FIG. 5 shows the control plane CP protocol stack (marked as NG-CP in the figure) of the UE, RN, DgNB and the entity NGC of the next generation core network serving the UE. The control plane protocol stack of UE includes NAS layer, RRC layer, PDCP layer, RLC layer, MAC layer and PHY layer from top to bottom. The control plane protocol stack for RN to communicate with UE includes RLC layer, MAC layer and PHY layer from top to bottom, and the control plane protocol stack for communication with DgNB includes Adpt. layer, RLC layer, MAC layer and PHY layer from top to bottom. The control protocol stack for communication between DgNB and RN includes RRC layer, PDCP layer, Adpt. layer, RLC layer, MAC layer and PHY layer from top to bottom, and the control plane protocol stack for communication with NG-CP includes NG-AP from top to bottom layer, SCTP layer, IP layer, L2 layer and L1 layer. NG-CP includes NAS layer, NG-AP layer, SCTP layer, IP layer, L2 layer and L1 layer from top to bottom. For the protocol stack of the control plane, the peer entity of the RRC layer of the UE is deployed on the Donor node. Therefore, the RRC signaling is encapsulated into a PDCP PDU after being encrypted and integrity protected by the PDCP, and then forwarded by the RN. Among them, Adpt. refers to the adaptation layer (Adaptation Layer), which is used to identify the UE to which the data belongs and the DRB of the UE when forwarding data between RN and DgNB; the SDAP layer is a new protocol layer introduced by NR relative to LTE, and is used to process Mapping of QoS flow to DRB. The interface between the RN and the donor node may also be a F1AP, a GTP tunnel, or a function-extended F1AP, a GTP tunnel, etc.
需要说明的是，Adapt.层具备以下能力中的至少一种：为数据包添加能被无线回传节点识别出的路由信息、基于所述能被无线回传节点识别出的路由信息执行路由选择、为数据包添加能被无线回传节点识别出的与服务质量QoS需求相关的标识信息、为数据包执行在包含无线回传节点的多段链路上的QoS映射。需要说明的是，具备这些能力的协议层的名称不一定为Adapt.层，本领域技术人员可以理解，只要具备这些能力的协议层均可以理解为本申请实施例中的Adapt层。另需说明的是，上述图5是在RLC层之上增加adapt.子层的协议栈架构。在一种可能的实现中，adapt.子层还可能在RLC层之下；该adapt.还可以作为RLC或PDCP或者MAC的子层。因此图5所示不应理解为Adpt.在协议栈架构中的唯一性限定。It should be noted that the Adapt. layer has at least one of the following capabilities: adding routing information that can be identified by the wireless backhaul node to the data packet, and performing routing based on the routing information that can be identified by the wireless backhaul node 1. Add identification information related to QoS requirements that can be identified by the wireless backhaul node to the data packet, and perform QoS mapping on the multi-segment links including the wireless backhaul node for the data packet. It should be noted that the name of the protocol layer with these capabilities is not necessarily the Adapt. layer, and those skilled in the art can understand that as long as the protocol layer with these capabilities can be understood as the Adapt layer in the embodiment of the present application. It should also be noted that the above-mentioned FIG. 5 is a protocol stack architecture in which an adapt. sublayer is added on top of the RLC layer. In a possible implementation, the adapt. sublayer may also be under the RLC layer; the adapt. may also serve as a sublayer of RLC, PDCP or MAC. Therefore, what is shown in FIG. 5 should not be understood as the unique limitation of Adpt. in the protocol stack architecture.
基于上述的L2relay的协议栈，解析UE的RRC层处理过的的数据包对应对应的实体都部署在DgNB上。以移动性管理的相关功能(测量控制，移动性管理，承载配置重配)为例——则在对UE进行RRC控制时，RRC信令需要在UE/RN与Donor之间的多个RN转发，参照图6所示，关于下行传输，RRC信令需要依次经过RN1、RN2、RN3、RN4传输至UE；对于上行传输，RRC信令需要依次经过RN4、RN3、RN2、RN1传输至DgNB；在执行需要频繁在UE与DgNB之间进行信令交互的RRC功能时，RRC信令经过多个RN转发造成的信令开销较大并且时延较长，最终可能导致连接中断。Based on the above-mentioned L2relay protocol stack, the corresponding entities for parsing the data packets processed by the RRC layer of the UE are all deployed on the DgNB. Take the related functions of mobility management (measurement control, mobility management, bearer configuration reconfiguration) as an example - when performing RRC control on UE, RRC signaling needs to be forwarded by multiple RNs between UE/RN and Donor , as shown in Figure 6, for downlink transmission, RRC signaling needs to be transmitted to UE through RN1, RN2, RN3, and RN4 in sequence; for uplink transmission, RRC signaling needs to be transmitted to DgNB through RN4, RN3, RN2, and RN1 in sequence; When executing the RRC function that requires frequent signaling interaction between the UE and the DgNB, the signaling overhead and delay caused by the RRC signaling being forwarded by multiple RNs may eventually lead to connection interruption.
针对上述问题，本申请实施例提供一种数据传输方法，第一通信设备(或第一通信设备中的芯片)接收第二通信设备(或第二通信设备中的芯片)发送的无线资源控制RRC功能的配置信息，RRC功能的配置信息用于指示第一通信设备激活预定的RRC功能，第一通信设备根据RRC功能的配置信息激活预定的RRC功能，第一通信设备向第二通信设备发送反馈信息，反馈信息用于通知第二通信设备预定的RRC功能激活成功。这样，第一通信设备可以通过激活的RRC功能直接处理第三通信设备的部分RRC信令，而不必通过第一通信设备处理，此外，为保障第一通信设备和第三通信设备之间信息交互的安全性，RRC功能的配置信息可以包含第二通信设备配置给第一通信设备的安全参数；其中，第三通信设备设置有安全参数；这样，第一通信设备根据RRC功能的配置信息激活预定的RRC功能后，根据安全参数向第三通信设备发送第一RRC信令，以便第三通信设备根据安全参数解密第一RRC信令；或者，第一通信设备根据RRC功能的配置信息激活预定的RRC功能后，接收第三通信设备根据安全参数发送的第二RRC信令，并根据安全参数解密第二RRC信令。这样减少了RRC信令在网络中转发的次数，降低了信令开销、减小了RRC信令发送的时延，降低连接中断的概率。In view of the above problems, an embodiment of the present application provides a data transmission method, in which the first communication device (or a chip in the first communication device) receives a radio resource control RRC message sent by the second communication device (or a chip in the second communication device). Configuration information of the function, the configuration information of the RRC function is used to instruct the first communication device to activate the predetermined RRC function, the first communication device activates the predetermined RRC function according to the configuration information of the RRC function, and the first communication device sends feedback to the second communication device Information, the feedback information is used to notify the second communication device that the predetermined RRC function is successfully activated. In this way, the first communication device can directly process part of the RRC signaling of the third communication device through the activated RRC function without having to be processed by the first communication device. In addition, in order to ensure information exchange between the first communication device and the third communication device security, the configuration information of the RRC function may include the security parameters configured by the second communication device to the first communication device; wherein, the third communication device is set with security parameters; thus, the first communication device activates the reservation according to the configuration information of the RRC function After the RRC function of the RRC function, the first RRC signaling is sent to the third communication device according to the security parameter, so that the third communication device decrypts the first RRC signaling according to the security parameter; or, the first communication device activates the predetermined After the RRC function, the second RRC signaling sent by the third communication device according to the security parameter is received, and the second RRC signaling is decrypted according to the security parameter. This reduces the number of times the RRC signaling is forwarded in the network, reduces the signaling overhead, reduces the delay in sending the RRC signaling, and reduces the probability of connection interruption.
本申请实施例提供的通信系统的结构示意图可以参考上述图6。本申请实施例中的第一通信设备可以为realy网络中的任一中继节点RN，第二通信设备为宿主基站DgNB，第三通信设备为UE。For a schematic structural diagram of a communication system provided in an embodiment of the present application, reference may be made to FIG. 6 above. In the embodiment of the present application, the first communication device may be any relay node RN in the realy network, the second communication device is a donor base station DgNB, and the third communication device is a UE.
其中图6示出的通信系统包括RN1-RN10，NGC、DgNB以及UE，其中RN之间通过Un接口连接，DgNB通过NG-U/C接口与NGC连接，RN1通过Uu接口与DgNB直接连接。对于下行传输，RN2和RN8作为RN1的下级节点，RN3和RN6作为RN2的下级节点，RN9作为RN8的下级节点，RN4和RN5作为RN3的下级节点，RN7作为RN6的下级节点，RN10作为RN9的下一跳中继节点。本申请的以下实施例中以RN1-RN5组成的BH链路进行说明。The communication system shown in Figure 6 includes RN1-RN10, NGC, DgNB and UE, where RNs are connected through Un interface, DgNB is connected with NGC through NG-U/C interface, and RN1 is directly connected with DgNB through Uu interface. For downlink transmission, RN2 and RN8 are the subordinate nodes of RN1, RN3 and RN6 are the subordinate nodes of RN2, RN9 is the subordinate node of RN8, RN4 and RN5 are the subordinate nodes of RN3, RN7 is the subordinate node of RN6, and RN10 is the subordinate node of RN9 One-hop relay node. In the following embodiments of the present application, the BH link composed of RN1-RN5 is used for illustration.
本申请实施例中的UE可以是指能够与RN 4(或RN5)的控制面和用户面实现数据传输的手机(如图7所示的手机700)、平板电脑、个人计算机PC、个人数字助理PDA、智能手表、上网本、可穿戴电子设备等，本申请实施例对该设备的具体形式不做特殊限制。The UE in the embodiment of the present application may refer to a mobile phone (such as a mobile phone 700 shown in FIG. 7 ), a tablet computer, a personal computer PC, and a personal digital assistant that can realize data transmission with the control plane and user plane of RN 4 (or RN5). PDA, smart watch, netbook, wearable electronic device, etc., the specific form of the device is not particularly limited in the embodiment of the present application.
如图7所示，以手机700作为上述UE举例，手机700具体可以包括：处理器701、射频RF电路702、存储器703、触摸屏704、蓝牙装置705、一个或多个传感器706、无线保真Wi-Fi装置707、定位装置708、音频电路709、外设接口710以及电源装置711等部件。这些部件可通过一根或多根通信总线或信号线(图7中未示出)进行通信。本领域技术人员可以理解，图8中示出的硬件结构并不构成对手机的限定，手机700可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。As shown in FIG. 7 , taking a mobile phone 700 as an example of the aforementioned UE, the mobile phone 700 may specifically include: a processor 701, a radio frequency RF circuit 702, a memory 703, a touch screen 704, a Bluetooth device 705, one or more sensors 706, a wireless fidelity Wi - Fi device 707, positioning device 708, audio circuit 709, peripheral interface 710, power supply device 711 and other components. These components may communicate via one or more communication buses or signal lines (not shown in FIG. 7). Those skilled in the art can understand that the hardware structure shown in FIG. 8 does not limit the mobile phone, and the mobile phone 700 may include more or less components than shown in the figure, or combine certain components, or arrange different components.
下面结合图7对手机700的各个部件进行具体的介绍：Below in conjunction with Fig. 7, each component of mobile phone 700 is specifically introduced:
处理器701是手机700的控制中心，利用各种接口和线路连接手机700的各个部分，通过运行或执行存储在存储器703内的应用程序，以及调用存储在存储器703内的数据，执行手机700的各种功能和处理数据。在一些实施例中，处理器701可包括一个或多个处理单元。在本申请实施例一些实施例中，上述处理器701还可以包括指纹验证芯片，用于对采集到的指纹进行验证。The processor 701 is the control center of the mobile phone 700. It uses various interfaces and lines to connect various parts of the mobile phone 700. By running or executing the application program stored in the memory 703, and calling the data stored in the memory 703, the mobile phone 700 is executed. Various functions and processing data. In some embodiments, processor 701 may include one or more processing units. In some embodiments of the present application, the processor 701 may further include a fingerprint verification chip, configured to verify the collected fingerprints.
射频电路702可用于在收发信息或通话过程中，无线信号的接收和发送。特别地，射频电路702可以将基站的下行数据接收后，给处理器701处理；另外，将涉及上行的数据发送至基站。通常，射频电路包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频电路702还可以通过无线通信和其他设备通信。所述无线通信可以使用任一通信标准或协议，包括但不限于全球移动通讯系统、通用分组无线服务、码分多址、宽带码分多址、长期演进、电子邮件、短消息服务等。The radio frequency circuit 702 can be used for receiving and sending wireless signals during sending and receiving information or talking. In particular, the radio frequency circuit 702 can process the processor 701 after receiving the downlink data from the base station; in addition, send the uplink data to the base station. Typically, radio frequency circuitry includes, but is not limited to, an antenna, at least one amplifier, transceiver, coupler, low noise amplifier, duplexer, and the like. In addition, the radio frequency circuit 702 can also communicate with other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile Communications, General Packet Radio Service, Code Division Multiple Access, Wideband Code Division Multiple Access, Long Term Evolution, Email, Short Message Service, etc.
存储器703用于存储应用程序以及数据，处理器701通过运行存储在存储器703的应用程序以及数据，执行手机700的各种功能以及数据处理。存储器703主要包括存储程序区以及存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像处理功能等)；存储数据区可以存储根据使用手机700时所创建的数据(比如音频数据、电话本等)。此外，存储器703可以包括高速随机存取存储器(RAM)，还可以包括非易失存储器，例如磁盘存储器件、闪存器件或其他易失性固态存储器件等。存储器703可以存储各种操作系统，例如，iOS操作系统，Android操作系统等。上述存储器703可以是独立的，通过上述通信总线与处理器701相连接；存储器703也可以和处理器701集成在一起。The memory 703 is used to store application programs and data, and the processor 701 executes various functions and data processing of the mobile phone 700 by running the application programs and data stored in the memory 703 . The memory 703 mainly includes a program storage area and a data storage area, wherein the program storage area can store an operating system and at least one application program required by a function (such as a sound playback function, an image processing function, etc.); Data created at 700 (such as audio data, phonebook, etc.). In addition, the memory 703 may include a high-speed random access memory (RAM), and may also include a non-volatile memory, such as a magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices. The memory 703 can store various operating systems, for example, iOS operating system, Android operating system and so on. The memory 703 may be independent and connected to the processor 701 through the communication bus; the memory 703 may also be integrated with the processor 701 .
触摸屏704具体可以包括触控板704-1和显示器704-2。The touch screen 704 may specifically include a touch panel 704-1 and a display 704-2.
其中，触控板704-1可采集手机700的用户在其上或附近的触摸事件(比如用户使用手指、触控笔等任何适合的物体在触控板704-1上或在触控板704-1附近的操作)，并将采集到的触摸信息发送至其他器件(例如处理器701)。其中，用户在触控板704-1附近的触摸事件可以称之为悬浮触控；悬浮触控可以是指，用户无需为了选择、移动或拖动目标(例如图标等)而直接接触触控板，而只需用户位于设备附近以便执行所想要的功能。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型来实现触控板704-1。Among them, the touch panel 704-1 can collect touch events of the user of the mobile phone 700 on or near it (for example, the user uses any suitable object such as a finger or a stylus on the touch panel 704-1 or on the touch panel 704 -1), and send the collected touch information to other devices (such as the processor 701). Among them, the user's touch event near the touch panel 704-1 can be called a floating touch; the floating touch can refer to that the user does not need to directly touch the touch panel in order to select, move or drag a target (such as an icon, etc.) , but only requires the user to be near the device in order to perform the desired function. In addition, the touch panel 704-1 can be realized by various types such as resistive, capacitive, infrared, and surface acoustic wave.
显示器(也称为显示屏)704-2可用于显示由用户输入的信息或提供给用户的信息以及手机700的各种菜单。可以采用液晶显示器、有机发光二极管等形式来配置显示器704-2。触控板704-1可以覆盖在显示器704-2之上，当触控板704-1检测到在其上或附近的触摸事件后，传送给处理器701以确定触摸事件的类型，随后处理器701可以根据触摸事件的类型在显示器704-2上提供相应的视觉输出。虽然在图7中，触控板704-1与显示屏704-2是作为两个独立的部件来实现手机700的输入和输出功能，但是在某些实施例中，可以将触控板704-1与显示屏704-2集成而实现手机700的输入和输出功能。可以理解的是，触摸屏704是由多层的材料堆叠而成，本申请实施例实施例中只展示出了触控板(层)和显示屏(层)，其他层在本申请实施例实施例中不予记载。另外，触控板704-1可以以全面板的形式配置在手机700的正面，显示屏704-2也可以以全面板的形式配置在手机700的正面，这样在手机的正面就能够实现无边框的结构。A display (also referred to as a display screen) 704-2 may be used to display information entered by or provided to the user and various menus of the handset 700. The display 704-2 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The touchpad 704-1 can be covered on the display 704-2. After the touchpad 704-1 detects a touch event on or near it, it is sent to the processor 701 to determine the type of the touch event, and then the processor 701 may provide a corresponding visual output on the display 704-2 according to the type of the touch event. Although in FIG. 7, the touchpad 704-1 and the display screen 704-2 are used as two independent components to realize the input and output functions of the mobile phone 700, but in some embodiments, the touchpad 704- 1 is integrated with the display screen 704-2 to realize the input and output functions of the mobile phone 700. It can be understood that the touch screen 704 is formed by stacking multiple layers of materials. In the embodiment of the present application, only the touch panel (layer) and the display screen (layer) are shown. Other layers are described in the embodiment of the present application. Not recorded in. In addition, the touch panel 704-1 can be arranged on the front of the mobile phone 700 in the form of a full panel, and the display screen 704-2 can also be arranged in the form of a full panel on the front of the mobile phone 700, so that the front of the mobile phone can achieve a borderless Structure.
另外，手机700还可以具有指纹识别功能。例如，可以在手机700的背面(例如后置摄像头的下方)配置指纹识别器712，或者在手机700的正面(例如触摸屏704的下方)配置指纹识别器712。又例如，可以在触摸屏704中配置指纹采集器件712来实现指纹识别功能，即指纹采集器件712可以与触摸屏704集成在一起来实现手机700的指纹识别功能。在这种情况下，该指纹采集器件712配置在触摸屏704中，可以是触摸屏704的一部分，也可以以其他方式配置在触摸屏704中。本申请实施例实施例中的指纹采集器件712的主要部件是指纹传感器，该指纹传感器可以采用任何类型的感测技术，包括但不限于光学式、电容式、压电式或超声波传感技术等。In addition, the mobile phone 700 may also have a fingerprint recognition function. For example, the fingerprint reader 712 may be configured on the back of the mobile phone 700 (eg, below the rear camera), or the fingerprint reader 712 may be configured on the front of the mobile phone 700 (eg, below the touch screen 704 ). For another example, the fingerprint collection device 712 can be configured in the touch screen 704 to realize the fingerprint recognition function, that is, the fingerprint collection device 712 can be integrated with the touch screen 704 to realize the fingerprint recognition function of the mobile phone 700 . In this case, the fingerprint collection device 712 is configured in the touch screen 704 , may be a part of the touch screen 704 , or may be configured in the touch screen 704 in other ways. The main component of the fingerprint acquisition device 712 in the embodiment of the present application is a fingerprint sensor, which can use any type of sensing technology, including but not limited to optical, capacitive, piezoelectric or ultrasonic sensing technologies, etc. .
手机700还可以包括蓝牙装置705，用于实现手机700与其他短距离的设备(例如手机、智能手表等)之间的数据交换。本申请实施例实施例中的蓝牙装置可以是集成电路或者蓝牙芯片等。The mobile phone 700 may also include a Bluetooth device 705 for implementing data exchange between the mobile phone 700 and other short-distance devices (such as mobile phones, smart watches, etc.). The Bluetooth device in the embodiments of the present application may be an integrated circuit or a Bluetooth chip or the like.
手机700还可以包括至少一种传感器706，比如光传感器、运动传感器以及其他传感器。具体的，光传感器可包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节触摸屏704的显示器的亮度，接近传感器可在手机700移动到耳边时，关闭显示器的电源。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别手机姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；至于手机700还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。Cell phone 700 may also include at least one sensor 706, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor can include an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display on the touch screen 704 according to the brightness of the ambient light, and the proximity sensor can turn off the power of the display when the mobile phone 700 is moved to the ear. . As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the application of mobile phone posture (such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. Let me repeat.
Wi-Fi装置707，用于为手机700提供遵循Wi-Fi相关标准协议的网络接入，手机700可以通过Wi-Fi装置707接入到Wi-Fi接入点，进而帮助用户收发电子邮件、浏览网页和访问流媒体等，它为用户提供了无线的宽带互联网访问。在其他一些实施例中，该Wi-Fi装置707也可以作为Wi-Fi无线接入点，可以为其他设备提供Wi-Fi网络接入。The Wi-Fi device 707 is used to provide the mobile phone 700 with network access following Wi-Fi-related standard protocols. The mobile phone 700 can be connected to a Wi-Fi access point through the Wi-Fi device 707, thereby helping users to send and receive emails, It provides users with wireless broadband Internet access for browsing the web and accessing streaming media, etc. In some other embodiments, the Wi-Fi device 707 can also serve as a Wi-Fi wireless access point, and can provide Wi-Fi network access for other devices.
定位装置708，用于为手机700提供地理位置。可以理解的是，该定位装置708具体可以是全球定位系统(Global Positioning System，GPS)或北斗卫星导航系统、俄罗斯GLONASS等定位系统的接收器。定位装置708在接收到上述定位系统发送的地理位置后，将该信息发送至处理器701进行处理，或者发送至存储器703进行保存。在另外的一些实施例中，该定位装置708还可以是辅助全球卫星定位系统AGPS的接收器，AGPS系统通过作为辅助服务器来协助定位装置708完成测距和定位服务，在这种情况下，辅助定位服务器通过无线通信网络与设备例如手机700的定位装置708(即GPS接收器)通信而提供定位协助。在另外的一些实施例中，该定位装置708也可以是基于Wi-Fi接入点的定位技术。由于每一个Wi-Fi接入点都有一个全球唯一的MAC地址，设备在开启Wi-Fi的情况下即可扫描并收集周围的Wi-Fi接入点的广播信号，因此可以获取到Wi-Fi接入点广播出来的MAC地址；设备将这些能够标示Wi-Fi接入点的数据(例如MAC地址)通过无线通信网络发送至位置服务器，由位置服务器检索出每一个Wi-Fi接入点的地理位置，并结合Wi-Fi广播信号的强弱程度，计算出该设备的地理位置并发送到该设备的定位装置708中。The positioning device 708 is configured to provide the geographic location for the mobile phone 700 . It can be understood that, the positioning device 708 may specifically be a global positioning system (Global Positioning System, GPS) or a receiver of a positioning system such as a Beidou satellite navigation system or a Russian GLONASS. After receiving the geographic location sent by the positioning system, the positioning device 708 sends the information to the processor 701 for processing, or sends the information to the memory 703 for storage. In some other embodiments, the positioning device 708 can also be a receiver of the assisted global positioning system (AGPS). The positioning server communicates with the positioning device 708 (ie GPS receiver) of the device such as the mobile phone 700 via the wireless communication network to provide positioning assistance. In some other embodiments, the positioning device 708 may also be a positioning technology based on a Wi-Fi access point. Since each Wi-Fi access point has a globally unique MAC address, the device can scan and collect the broadcast signals of surrounding Wi-Fi access points when Wi-Fi is turned on, so it can obtain Wi-Fi The MAC address broadcasted by the Fi access point; the device sends the data (such as MAC address) that can identify the Wi-Fi access point to the location server through the wireless communication network, and the location server retrieves each Wi-Fi access point The geographic location of the device, combined with the strength of the Wi-Fi broadcast signal, calculates the geographic location of the device and sends it to the positioning device 708 of the device.
音频电路709、扬声器713、麦克风714可提供用户与手机700之间的音频接口。音频电路709可将接收到的音频数据转换后的电信号，传输到扬声器713，由扬声器713转换为声音信号输出；另一方面，麦克风714将收集的声音信号转换为电信号，由音频电路709接收后转换为音频数据，再将音频数据输出至RF电路702以发送至比如另一手机，或者将音频数据输出至存储器703以便进一步处理。The audio circuit 709 , speaker 713 , and microphone 714 can provide an audio interface between the user and the mobile phone 700 . The audio circuit 709 can transmit the electrical signal converted from the received audio data to the loudspeaker 713, and the loudspeaker 713 converts it into a sound signal output; After being received, it is converted into audio data, and then the audio data is output to the RF circuit 702 for sending to another mobile phone, or the audio data is output to the memory 703 for further processing.
外设接口710，用于为外部的输入/输出设备(例如键盘、鼠标、外接显示器、外部存储器、用户识别模块卡等)提供各种接口。例如通过通用串行总线USB接口与鼠标连接，通过用户识别模块卡卡槽上的金属触点与电信运营商提供的用户识别模块卡SIM卡进行连接。外设接口710可以被用来将上述外部的输入/输出外围设备耦接到处理器701和存储器703。The peripheral interface 710 is used to provide various interfaces for external input/output devices (such as keyboard, mouse, external display, external memory, SIM card, etc.). For example, it is connected to the mouse through the USB interface of the universal serial bus, and is connected to the SIM card provided by the telecom operator through the metal contacts on the subscriber identification module card slot. The peripheral interface 710 may be used to couple the aforementioned external input/output peripherals to the processor 701 and the memory 703 .
在本申请实施例中，手机700可通过外设接口710与设备组内的其他设备进行通信，例如，通过外设接口710可接收其他设备发送的显示数据进行显示等，本申请实施例对此不作任何限制。In the embodiment of the present application, the mobile phone 700 can communicate with other devices in the device group through the peripheral interface 710, for example, the display data sent by other devices can be received and displayed through the peripheral interface 710, etc. No restrictions are imposed.
手机700还可以包括给各个部件供电的电源装置711(比如电池和电源管理芯片)，电池可以通过电源管理芯片与处理器701逻辑相连，从而通过电源装置711实现管理充电、放电、以及功耗管理等功能。The mobile phone 700 can also include a power supply device 711 (such as a battery and a power management chip) for supplying power to various components. The battery can be logically connected to the processor 701 through the power management chip, so that the power supply device 711 can be used to manage charging, discharging, and power consumption management. and other functions.
尽管图7未示出，手机700还可以包括摄像头(前置摄像头和/或后置摄像头)、闪光灯、微型投影装置、近场通信NFC装置等，在此不再赘述。Although not shown in FIG. 7 , the mobile phone 700 may also include a camera (front camera and/or rear camera), a flash, a micro projection device, a near field communication NFC device, etc., which will not be repeated here.
图8为本申请实施例提供的一种RN的组成示意图，如图8所示，RN可以包括至少一个处理器81、收发器82。FIG. 8 is a schematic diagram of a composition of an RN provided by an embodiment of the present application. As shown in FIG. 8 , the RN may include at least one processor 81 and a transceiver 82 .
下面结合图10对RN的各个构成部件进行具体的介绍：The following is a specific introduction to each component of the RN in combination with Figure 10:
处理器81是RN的控制中心，可以是一个处理器，也可以是多个处理元件的统称。例如，处理器81是一个CPU，也可以是特定集成电路ASIC，或者是被配置成实施本申请实施例的一个或多个集成电路，例如：一个或多个微处理器DSP，或，一个或者多个现场可编程门阵列FPGA。当然，该RN还可以包括存储器83。The processor 81 is the control center of the RN, and may be one processor, or may be a general term for multiple processing elements. For example, the processor 81 is a CPU, and may also be a specific integrated circuit ASIC, or one or more integrated circuits configured to implement the embodiments of the present application, for example: one or more microprocessors DSP, or, one or Multiple Field Programmable Gate Array FPGAs. Of course, the RN may also include a memory 83 .
其中，处理器81可以独立执行本申请中RN的功能，也可以通过运行或执行存储在存储器93内的软件程序，以及调用存储在存储器83内的数据，执行RN的各种功能。Wherein, the processor 81 can independently perform the functions of the RN in this application, and can also perform various functions of the RN by running or executing software programs stored in the memory 93 and calling data stored in the memory 83 .
在具体的实现中，作为一种实施例，处理器81可以包括一个或多个CPU，例如图中所示的CPU 0和CPU 1。In a specific implementation, as an embodiment, the processor 81 may include one or more CPUs, such as CPU 0 and CPU 1 shown in the figure.
在具体实现中，作为一种实施例，RN可以包括多个处理器，例如图8中所示的处理器81和处理器85。这些处理器中的每一个可以是一个单核处理器(single-CPU)，也可以是一个多核处理器(multi-CPU)。这里的处理器可以指一个或多个设备、电路、和/或用于处理数据(例如计算机程序指令)的处理核。In a specific implementation, as an embodiment, the RN may include multiple processors, for example, the processor 81 and the processor 85 shown in FIG. 8 . Each of these processors can be a single-core processor (single-CPU) or a multi-core processor (multi-CPU). A processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).
存储器83可以是只读存储器ROM或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器RAM或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器EEPROM、只读光盘CD-ROM或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器83可以是独立存在，通过总线84与处理器81相连接。存储器83也可以和处理器81集成在一起。Memory 83 can be read-only memory ROM or other types of static storage devices that can store static information and instructions, random access memory RAM or other types of dynamic storage devices that can store information and instructions, and can also be electrically erasable and programmable EEPROM read-only memory, CD-ROM or other optical disk storage, optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, Blu-ray disk, etc.), magnetic disk storage medium or other magnetic storage devices, or can be used for Any other medium that carries or stores desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto. The memory 83 may exist independently, and is connected to the processor 81 through the bus 84 . The memory 83 can also be integrated with the processor 81 .
其中，存储器83用于存储执行本申请方案的软件程序，并由处理器81来控制执行。Wherein, the memory 83 is used for storing the software program for executing the solution of the present application, and the execution is controlled by the processor 81 .
收发器82，用于与其他设备或通信网络通信。如用于与以太网，无线接入网RAN，无线局域网WLAN等通信网络通信。收发器82可以包括基带处理器的全部或部分，以及还可选择性地包括RF处理器。RF处理器用于收发RF信号，基带处理器则用于实现由RF信号转换的基带信号或即将转换为RF信号的基带信号的处理。The transceiver 82 is used for communicating with other devices or a communication network. For example, it is used to communicate with communication networks such as Ethernet, wireless access network RAN, and wireless local area network WLAN. Transceiver 82 may include all or part of a baseband processor, and optionally also an RF processor. The RF processor is used to send and receive RF signals, and the baseband processor is used to process the baseband signals converted from RF signals or the baseband signals to be converted into RF signals.
总线84，可以是工业标准体系结构ISA总线、外部设备互连PCI总线或扩展工业标准体系结构EISA总线等。该总线可以分为地址总线、数据总线、控制总线等。为便于表示，图10中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。The bus 84 may be an industry standard architecture ISA bus, a peripheral device interconnection PCI bus, or an extended industry standard architecture EISA bus. The bus can be divided into address bus, data bus, control bus and so on. For ease of representation, only one thick line is used in FIG. 10 , but it does not mean that there is only one bus or one type of bus.
图8中示出的设备结构并不构成对RN的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。The device structure shown in FIG. 8 does not constitute a limitation to the RN, and may include more or less components than shown in the figure, or combine some components, or arrange different components.
本申请实施例中的DgNB可以是独立的DgNB，该DgNB可以是无线通信的基站BS或基站控制器等；也可以是由DU和CU组成。The DgNB in the embodiment of the present application may be an independent DgNB, and the DgNB may be a base station BS or a base station controller for wireless communication; it may also be composed of a DU and a CU.
具体的，DgNB的主要功能包括如下一个或多个功能：向RN发送RRC功能的配置信息，向RN提供安全参数等等。Specifically, the main functions of the DgNB include one or more of the following functions: sending configuration information of the RRC function to the RN, providing security parameters to the RN, and so on.
当DgNB为独立的宿主基站时，在采用不同的无线接入技术的系统中，宿主基站的名称可能会有所不同。例如：在LTE网络(或称为4G系统)中，宿主基站的名称为演进的基站(evolved NodeB，eNB或eNodeB)；在3G系统中，宿主基站的名称为基站(Node B)；在下一代无线通信系统(如5G系统)中，宿主基站的名称为DgNB。随着通信技术的演进，这一名称可能会变化。此外，在其它可能的情况下，宿主基站可以是其它为终端设备提供无线通信功能的装置。When the DgNB is an independent host base station, the name of the host base station may be different in systems using different radio access technologies. For example: in the LTE network (or called 4G system), the name of the host base station is an evolved base station (evolved NodeB, eNB or eNodeB); in the 3G system, the name of the host base station is a base station (Node B); in the next generation In a wireless communication system (such as a 5G system), the name of the host base station is DgNB. This designation may change as communications technology evolves. In addition, in other possible cases, the master base station may be another device that provides a wireless communication function for the terminal device.
当DgNB为独立的宿主基站时，图9示出了该宿主基站的硬件结构。如图9所示，宿主基站可以包括至少一个处理器91和收发器92。When the DgNB is an independent donor base station, FIG. 9 shows the hardware structure of the donor base station. As shown in FIG. 9 , the donor base station may include at least one processor 91 and a transceiver 92 .
在具体实现中，作为一种实施例，处理器91可以包括一个或多个CPU，例如图9中的CPU0和CPU1。In a specific implementation, as an embodiment, the processor 91 may include one or more CPUs, for example, CPU0 and CPU1 in FIG. 9 .
在具体实现中，作为一种实施例，该该宿主基站可以包括多个处理器，例如图9中的处理器91和处理器95。当然，该RN还可以包括存储器93。这样处理器可以通过运行或执行存储在存储器93内的软件程序，以及调用存储在存储器93内的数据，执行宿主基站的各种功能。此外，还包括将处理器91和收发器92以及存储器93连接的总线94。In a specific implementation, as an embodiment, the donor base station may include multiple processors, for example, processor 91 and processor 95 in FIG. 9 . Of course, the RN may also include a memory 93 . In this way, the processor can execute various functions of the master base station by running or executing software programs stored in the memory 93 and calling data stored in the memory 93 . In addition, a bus 94 connecting the processor 91 with the transceiver 92 and the memory 93 is also included.
图9中所示的各个器件的作用以及其他说明可以示例性的参见上文。The function of each device shown in FIG. 9 and other explanations can be referred to above for example.
此外，图9中示出的设备结构并不构成对宿主基站的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。In addition, the device structure shown in FIG. 9 does not constitute a limitation on the host base station, and may include more or less components than shown in the figure, or combine some components, or arrange different components.
基于上述的网络系统以及硬件，本申请的实施例提供一种中继网络的数据传输方法，参照图10所示，包括如下步骤：Based on the above-mentioned network system and hardware, an embodiment of the present application provides a data transmission method of a relay network, as shown in FIG. 10 , including the following steps:
101、RN3接收DgNB发送的无线资源控制RRC功能的配置信息，RRC功能的配置信息用于指示RN3激活预定的RRC功能。101. RN3 receives radio resource control RRC function configuration information sent by DgNB, and the RRC function configuration information is used to instruct RN3 to activate a predetermined RRC function.
需要说明的是，在步骤101之前，UE通过首先通过RN4、RN3、RN2、RN1形成的中继链路向DgNB发送连接建立请求或业务请求，已通过DgNB完成初始接入，并与DgNB建立了RRC连接，并且DgNB向RN1-RN4完成导频配置。应理解，这里以对RN3进行RRC配置为例，也可以是其他的中继节点，不应理解使用RN3为例对本申请构成限定。It should be noted that before step 101, the UE sends a connection establishment request or a service request to the DgNB through the relay link first formed by RN4, RN3, RN2, and RN1. RRC is connected, and DgNB completes pilot configuration to RN1-RN4. It should be understood that the RRC configuration of RN3 is taken as an example here, and other relay nodes may also be used, and it should not be understood that the use of RN3 as an example constitutes a limitation to this application.
此外，DgNB发送的RRC功能的配置信息的触发条件可以为：为UE提供直接接入的RN4与DgNB的连接超过一定跳数；或者UE和DgNB之间的连接超过一定跳数N，N>＝1；或者为UE提供直接接入的RN4与DgNB之间的回传链路拥塞，或信道质量变差；当然该触发条件也可以是：UE初始入网或建立了RRC连接、UE建立了专用承载、UE申请了时延敏感业务，如URLLC业务，相应的DgNB为UE配置专门的RN3，并在该RN3上配置RRC功能，以便通过该RN3处理UE的RRC信令。可以理解的，步骤101中RRC功能的配置方式可以针对每个RN。如果考虑RN的移动性，可以按照UE处理的流程触发RN个切换操作。或者说RN包含了UE功能，当变换RN连接的上级节点时，可以通过UE的切换流程来管理RN的切换。相应的，RRC功能的配置可以针对每个RN，或者RN里的UE功能(模块)，因此RRC功能的配置信息包含RN的标识或者RN里UE功能(模块)的标识。In addition, the trigger condition for the configuration information of the RRC function sent by the DgNB may be: the connection between the RN4 that provides direct access to the UE and the DgNB exceeds a certain number of hops; or the connection between the UE and the DgNB exceeds a certain number of hops N, N>= 1; or the backhaul link between the RN4 that provides direct access to the UE and the DgNB is congested, or the channel quality deteriorates; of course, the trigger condition can also be: the UE initially enters the network or establishes an RRC connection, and the UE establishes a dedicated bearer 1. When the UE applies for a delay-sensitive service, such as URLLC service, the corresponding DgNB configures a special RN3 for the UE, and configures the RRC function on the RN3, so that the RRC signaling of the UE can be processed through the RN3. It can be understood that the configuration mode of the RRC function in step 101 can be specific to each RN. If the mobility of RN is considered, RN handover operations can be triggered according to the process of UE processing. In other words, the RN includes UE functions, and when the upper node connected to the RN is changed, the switching of the RN can be managed through the switching process of the UE. Correspondingly, the configuration of the RRC function can be aimed at each RN, or the UE function (module) in the RN, so the configuration information of the RRC function includes the identifier of the RN or the identifier of the UE function (module) in the RN.
RRC功能的配置信息的内容可以包括：预定RRC功能的指示信息，例如移动性管理和测量结果处理功能对应的指示信息。RRC功能的配置信息的内容：还可以包括UE标识(ID)，如上述的触发条件所述，RRC功能可以是针对每个(per)UE配置的，此时，RRC功能的配置信息里携带UE标识，以便RN3处理对应UE的RRC信令。RRC功能的配置信息的内容还可以包括：SRB的配置，考虑到RN3可能直接给UE发送RRC信令，那么DgNB需要向RN提供SRB的配置，以便部署在RN3上的RRC功能对应的RRC信令能通过该SRB与UE交互。SRB的配置至少包含下述一个：SRB ID；PDPC配置；RLC配置，例如RLC的模式；逻辑信道配置，例如逻辑信道ID。当然，SRB的配置也可以在独立的消息中发送。如果该信息采用另一个消息独立发送，消息的发送顺序可以是在DgNB向RN3发送RRC功能的配置信息之后发送，也可以是在DgNB收到RN3的反馈信息之后发送。RRC功能的配置信息的内容还可以包括：路径或者路由信息，用于将RN3发送的RRC信令转发到目的UE或者用于将UE的RRC信令传递到配置了部分RRC功能的RN3。SRB的配置可以与RRC功能的配置信息在同一个消息里发送，也可以独立发送。如果SRB的配置采用另一个消息独立发送，消息的发送顺序可以是在DgNB向RN3发送RRC功能的配置信息之后发送，也可以是在DgNB收到RN3关于RRC功能的配置信息的反馈信息之后发送。The content of the configuration information of the RRC function may include: indication information of predetermined RRC functions, such as indication information corresponding to mobility management and measurement result processing functions. The content of the configuration information of the RRC function: it can also include the UE identification (ID). As described in the above trigger conditions, the RRC function can be configured for each (per) UE. At this time, the configuration information of the RRC function carries the UE ID so that RN3 can process the RRC signaling corresponding to the UE. The content of the configuration information of the RRC function may also include: SRB configuration. Considering that RN3 may directly send RRC signaling to UE, DgNB needs to provide SRB configuration to RN so that the RRC signaling corresponding to the RRC function deployed on RN3 It can interact with the UE through the SRB. The SRB configuration includes at least one of the following: SRB ID; PDPC configuration; RLC configuration, such as RLC mode; logical channel configuration, such as logical channel ID. Of course, the configuration of the SRB can also be sent in an independent message. If the information is sent independently by using another message, the order of sending the messages may be after the DgNB sends the configuration information of the RRC function to the RN3, or after the DgNB receives the feedback information from the RN3. The content of the configuration information of the RRC function may also include: path or routing information, used to forward the RRC signaling sent by the RN3 to the target UE or used to transfer the RRC signaling of the UE to the RN3 configured with some RRC functions. The configuration of the SRB can be sent in the same message as the configuration information of the RRC function, or can be sent independently. If the configuration of the SRB is sent independently in another message, the order of sending the messages can be after the DgNB sends the configuration information of the RRC function to the RN3, or after the DgNB receives the feedback information about the configuration information of the RRC function from the RN3.
当然，为RN3配置RRC功能的配置信息的方式，也可以是采用如下方式：DgNB向RN3提供UE的上下文，或触发UE的上下文建立时，DgNB在UE的上下文或者触发上下文建立的信息指示中携带RRC功能的配置信息。Of course, the way of configuring the configuration information of the RRC function for RN3 can also be as follows: DgNB provides RN3 with the context of the UE, or when triggering the establishment of the context of the UE, the DgNB carries it in the context of the UE or the information indication of triggering the establishment of the context Configuration information of the RRC function.
其中，RRC功能的配置信息形式如下：Among them, the configuration information format of the RRC function is as follows:
a、当RN3上通过协议约定某种RRC功能，或RN3入网时，已经由DgNB配置或操作管理维护实体OAM实体配置某种RRC功能时，RRC功能的配置信息可以为一个标识(flag)，当DgNB向RN3发送的任一信令中包含该flag时，则RN3激活预先约定或配置的RRC功能。类似的，RRC功能的配置信息可以为一个开启/关闭(On/off)指示，例如，用1bit表示，那么可以用“1”表示对应的RRC功能开启，用“0”表示对应的RRC功能关闭。a. When RN3 agrees on a certain RRC function through an agreement, or when RN3 accesses the network, when a certain RRC function has been configured by the DgNB or the operation management and maintenance entity OAM entity, the configuration information of the RRC function can be a flag. When When any signaling sent by the DgNB to the RN3 contains the flag, the RN3 activates the pre-agreed or configured RRC function. Similarly, the configuration information of the RRC function can be an on/off (On/off) indication, for example, expressed by 1 bit, then "1" can be used to indicate that the corresponding RRC function is turned on, and "0" can be used to indicate that the corresponding RRC function is turned off .
b、RRC功能的配置信息可以携带具体的RRC功能，例如，DgNB期望在RN3配置移动性管理和测量结果处理功能，则携带移动性管理和测量结果处理功能对应的指示信息。b. The configuration information of the RRC function may carry specific RRC functions. For example, if the DgNB expects to configure mobility management and measurement result processing functions in RN3, it shall carry indication information corresponding to the mobility management and measurement result processing functions.
c、RRC功能的配置信息可以携带具体的消息类型，例如：DgNB通过消息类型告知RN3可以处理哪些类型的消息，例如可以处理测量上报，可以发送切换命令等。对于这种方案需要预先约定消息类型和RRC功能的对应关系，RN3才能根据消息类型识别RRC功能，从而激活对应RRC功能。当然，消息类型和RRC功能的对应关系可以通过协议约定，或者通过RN3入网时，由DgNB配置或OAM实体配置给RN3，或者通过其他途径约定。c. The configuration information of the RRC function can carry specific message types. For example, the DgNB informs the RN3 of what types of messages can be processed through the message type, for example, it can process measurement reports, and can send handover commands. For this solution, it is necessary to pre-agree on the correspondence between the message type and the RRC function, so that the RN3 can identify the RRC function according to the message type, thereby activating the corresponding RRC function. Of course, the corresponding relationship between the message type and the RRC function can be stipulated in the agreement, or when the RN3 accesses the network, it is configured by the DgNB or the OAM entity to the RN3, or agreed in other ways.
d、RRC功能的配置信息可以携指示管理的协议层次——如背景技术所述，如上所述控制面功能分布在不同的协议层次，因此，可以指示RN3管理哪些协议层次。例如，RN3部署了RLC和MAC层，则DgNB可以指示RN3控制RLC和MAC层的处理。协议层次是完整的协议层，也可以是部分协议层，例如RLC还划分成High RLC(例如包含ARQ)和low RLC(例如包含Segmentation/Resegmantation，分段重分段功能)。当然在该方案中，指在RN3与DgNB通信的控制面协议栈配置RRC层，参照图11所示，提供了UE、RN3、DgNB以及NG-CP的协议栈，其中UE、RN3以及NG-CP与上述方案类似不再说明，当RN3通过RRC功能的配置信息激活RRC功能后，RN3与DgNB通信的控制面协议栈增加了与UE的RRC层对等RRC层，从而可以处理UE的RRC信令。d. The configuration information of the RRC function can indicate the management protocol level—as described in the background technology, the above-mentioned control plane functions are distributed in different protocol levels, so it can indicate which protocol levels the RN3 manages. For example, RN3 deploys the RLC and MAC layers, and the DgNB may instruct RN3 to control the processing of the RLC and MAC layers. The protocol layer is a complete protocol layer, or a part of the protocol layer. For example, RLC is also divided into High RLC (for example, including ARQ) and low RLC (for example, including Segmentation/Resegmantation, segmentation and re-segmentation functions). Of course, in this solution, it refers to configuring the RRC layer on the control plane protocol stack between RN3 and DgNB. Referring to Figure 11, the protocol stacks of UE, RN3, DgNB, and NG-CP are provided, where UE, RN3, and NG-CP Similar to the above-mentioned solution, no further description is given. When RN3 activates the RRC function through the configuration information of the RRC function, the control plane protocol stack between RN3 and DgNB adds an RRC layer equivalent to the RRC layer of the UE, so that the RRC signaling of the UE can be processed. .
此外，考虑RN3和DgNB之间不同的连接方式，DgNB可以通过不同的消息类型向RN3发送RRC功能的配置信息，例如：如果RN和DgNB之间建立了F1AP接口，可以定义新的F1AP消息携带RRC功能的配置信息；也可以携带在现有的F1AP消息中，如UE Context SetupRequest消息携带RRC功能的配置信息；或者，与UE Context Setup Request消息同时发送RRC功能的配置信息。如果DgNB使用RRC信令对RN3进行控制，可以定义一个新的RRC消息，用于DgNB向RN3的发送RRC功能的配置信息。上述其他需要至RN3的信息(例如：SRB的配置、UEID、路径或路由信息等)的发送方式与上述RRC功能的配置信息的发送方式相同不再是赘述。应理解，这里DgNB向RN3发送RRC是可以被RN3处理的，这里所说的RRC功能的配置信息主要是用于配置RN3和UE之间的RRC功能，即RN3是否能够处理来自UE的RRC消息，或者向UE发送RRC消息，并不代表RN3和DgNB之间不具有基本的RRC功能。In addition, considering different connection modes between RN3 and DgNB, DgNB can send configuration information of RRC function to RN3 through different message types, for example: if a F1AP interface is established between RN and DgNB, a new F1AP message can be defined to carry RRC The configuration information of the function; it can also be carried in the existing F1AP message, for example, the UE Context SetupRequest message carries the configuration information of the RRC function; or, the configuration information of the RRC function is sent simultaneously with the UE Context Setup Request message. If the DgNB uses RRC signaling to control RN3, a new RRC message can be defined for the DgNB to send configuration information of the RRC function to RN3. The above-mentioned other information that needs to be sent to RN3 (for example: SRB configuration, UEID, path or routing information, etc.) is sent in the same way as the above-mentioned RRC function configuration information and will not be repeated here. It should be understood that the RRC sent by DgNB to RN3 can be processed by RN3. The configuration information of the RRC function mentioned here is mainly used to configure the RRC function between RN3 and UE, that is, whether RN3 can process the RRC message from UE, Or sending an RRC message to the UE does not mean that there is no basic RRC function between RN3 and DgNB.
102、RN3根据RRC功能的配置信息激活预定的RRC功能。102. The RN3 activates a predetermined RRC function according to the configuration information of the RRC function.
RN3收到RRC功能的配置信息后，执行下述操作：如果RN3已经存储了RRC功能执行所需的程序和/或算法，则可以直接激活对应的RRC功能。如果RN3未存储RRC功能执行所需的程序和/或算法，则可以通过网络侧实体，如OAM实体，DgNB等下载，并在下载完成后进行激活。After receiving the configuration information of the RRC function, the RN3 performs the following operations: if the RN3 has stored the program and/or algorithm required for the execution of the RRC function, it can directly activate the corresponding RRC function. If the RN3 does not store the programs and/or algorithms required for the execution of the RRC function, it can be downloaded by a network-side entity, such as an OAM entity, DgNB, etc., and activated after the download is completed.
103、RN3向DgNB发送反馈信息，反馈信息用于通知DgNB预定的RRC功能激活成功。103. The RN3 sends feedback information to the DgNB, and the feedback information is used to notify the DgNB that the predetermined RRC function is successfully activated.
具体的对于采用上述的flag或on/off指示的情况，反馈信息可以携带一个配置成功消息，或者配置失败消息。对于DgNB提供具体的RRC功能列表的情况，反馈信息可以携带被激活的RRC功能，和/或未被被激活的RRC功能。Specifically, for the case of using the above-mentioned flag or on/off indication, the feedback information may carry a configuration success message or a configuration failure message. For the case where the DgNB provides a specific RRC function list, the feedback information may carry activated RRC functions and/or inactive RRC functions.
这样，RN3可以通过激活的RRC功能直接处理UE的部分RRC信令，而不必通过DgNB处理，这样减少了RRC信令在网络中转发的次数，降低了信令开销、减小了RRC信令发送的时延，降低连接中断的概率。In this way, RN3 can directly process part of the RRC signaling of the UE through the activated RRC function, without having to process it through the DgNB, which reduces the number of times RRC signaling is forwarded in the network, reduces the signaling overhead, and reduces the transmission of RRC signaling The delay reduces the probability of connection interruption.
若DgNB在步骤101中向RN3更新了SRB的配置，则还需执行如下步骤：If the DgNB updates the SRB configuration to RN3 in step 101, the following steps need to be performed:
104、DgNB向UE发送配置信息，并在配置信息中携带SRB的配置，或者当RN3激活了RRC功能后，RN3向UE发送SRB的配置。104. The DgNB sends configuration information to the UE, and carries the SRB configuration in the configuration information, or when the RN3 activates the RRC function, the RN3 sends the SRB configuration to the UE.
该SRB的配置可以是采用RRC重配置信令发送。具体的，在方案一中，RN3使用的SRB的配置与DgNB使用的SRB的配置可以保持一致，一种SRB的配置方案如下：DgNB更新与UE通信使用的SRB的配置，并将该SRB的配置发送至RN3；或者，DgNB与UE通信使用为RN3配置RRC功能之前的SRB的配置，并将该SRB的配置发送至RN3。这样UE用一个SRB对应分布在RN3和DgNB上的SRB。在方案二中，RN3使用一个SRB与UE通信，DgNB与RN3之间传输UE的信息不使用SRB，例如DgNB发送给UE的信息需要在RN3重新封装，RN3使用的SRB的配置可以与RN3配置RRC功能之前DgNB使用的SRB的配置保持一致，也可重配。当然该重配过程可以是由RN3发起，也可以是DgNB发起。如果配置有更新，需要给UE提供新的SRB的配置。在方案三中，为UE配置两个不同的SRB，一个用于和RN3通信，另一个用于和DgNB通信。例如，至少SRB ID不同。与上述的方案一以及方案二类似，RN3的SRB的配置的更新可以是RN3发起也可以是DgNB发起；如果配置有更新，需要通知UE新的SRB的配置。The configuration of the SRB may be sent by using RRC reconfiguration signaling. Specifically, in Solution 1, the configuration of the SRB used by RN3 and the configuration of the SRB used by the DgNB can be consistent. A configuration of the SRB is as follows: DgNB updates the configuration of the SRB used for communication with the UE, and the sent to RN3; or, the DgNB communicates with the UE using the SRB configuration before the RRC function is configured for RN3, and sends the SRB configuration to RN3. In this way, the UE uses one SRB to correspond to the SRBs distributed on the RN3 and the DgNB. In scheme 2, RN3 uses an SRB to communicate with UE, and DgNB and RN3 do not use SRB to transmit UE information. For example, the information sent by DgNB to UE needs to be repackaged in RN3. The configuration of the SRB used by the DgNB before the function remains the same, and can also be reconfigured. Of course, the reconfiguration process can be initiated by RN3 or DgNB. If the configuration is updated, a new SRB configuration needs to be provided to the UE. In scheme three, two different SRBs are configured for the UE, one for communicating with RN3 and the other for communicating with DgNB. For example, at least the SRB IDs are different. Similar to the above schemes 1 and 2, the update of the SRB configuration of RN3 can be initiated by RN3 or DgNB; if the configuration is updated, the UE needs to be notified of the new SRB configuration.
对于方案一、二的情况(UE使用一个SRB)如果RN3或DgNB发起了SRB的配置更新，则由DgNB给UE发送SRB的配置，以确保UE能够解析更新SRB配置的信令。当然，如果SRB的配置未更改，也可以由RN3给UE发送SRB的配置。具体的若更新了SRB的配置则由DgNB或RN3使用在RN3配置RRC功能之前的SRB的配置给UE发送更新后的SRB的配置；然后用新后的SRB的配置等待接收UE的反馈。对于方案二，DgNB发送SRB的配置后，可以释放本地的SRB的配置。对于方案三的情况(UE使用2个SRBs)由DgNB发送SRB的配置信息给UE。For scenarios 1 and 2 (UE uses one SRB), if RN3 or DgNB initiates an SRB configuration update, the DgNB sends the SRB configuration to the UE to ensure that the UE can resolve the signaling for updating the SRB configuration. Certainly, if the configuration of the SRB remains unchanged, the RN3 may also send the configuration of the SRB to the UE. Specifically, if the SRB configuration is updated, the DgNB or RN3 uses the SRB configuration before the RN3 configures the RRC function to send the updated SRB configuration to the UE; then use the new SRB configuration to wait for feedback from the UE. For scheme two, after the DgNB sends the SRB configuration, it can release the local SRB configuration. For the case of scheme three (the UE uses 2 SRBs), the DgNB sends the SRB configuration information to the UE.
105、UE向DgNB反馈配置完成信息。105. The UE feeds back configuration completion information to the DgNB.
配置完成信息可以是RRC重配置完成信令，若在步骤104中更新了SRB的配置则该配置完成信息使用新的SRB的配置进行发送。The configuration completion information may be RRC reconfiguration completion signaling, and if the SRB configuration is updated in step 104, the configuration completion information is sent using the new SRB configuration.
106、DgNB向其他RN配置路径或路由信息。106. The DgNB configures path or routing information to other RNs.
UE和RN3之间需要交互RRC信令，需要配置路径或路由信息来支撑RRC信令的交互。路径或路由信息区别于UE和DgNB之间信息交互所采用的路径或路由信息。对于上行传输(UE到RN3)——考虑操作对UE透明：DgNB为UE和RN3的通信选择路径或路由，并为RRC信令传输涉及的RN，如RN3、RN4配置路径或路由信息，例如，路径标识或目的地址标识，以及标识与UE甚至具体RB的对应关系；UE的SRB与RN3的DRB或SRB的映射关系，即RN3产生的RRC信令承载在per UE的SRB，然后通过RN3的DRB或SRB转发——不同的UE RB可能映射到相同的RNRB，同一个UE的多个RB可能映射到RN3的不同DRB。基于上述配置，各其他RN的处理如下：最后一跳或直接为UE提供接入的节点，例如RN4，在转发UE的某SRB的RRC信令时，(适配层，或者处理路由的协议层)添加DgNB配置的路径标识或地址标识。RN4与RN3之间的中间节点，根据路径标识或路由标识进行数据转发。部署了部分RRC功能的RN，例如RN3，(适配层，或者处理路由的协议层)根据路径标识或地址标识判读该信息需要在本节点处理，把信息往上层递交。其中，对于RN3的路径或路由信息可以包含在步骤101的RRC功能的配置信息里或与RRC功能的配置信息同时发送。当然，也可以不为“RN3和UE之间的信令交互”配置特定的路径或路由信息，例如，所有RN都是往UE的DgNB转发信息，配置了RRC功能的RN3可通过UE标识来判断RRC信令是否该在本地进行处理——如果RN3针对某UE配置了部分的RRC功能，当收到的RRC信令里(例如，Adpt PDU的包头里)包含了该UE的标识时则可以往上层递交，触发处理。相应的，对于RRC信令的转发，RRC信令里需要携带UE ID，并且RN需要预先知道UE的DgNB，以便信息转发。转发操作，例如，RN4为在转发RRC信令时，根据RRC信令携带的UE标识获取对应的的DgNB标识，然后添加在RRC信令里；此后，根据DgNB标识选择发送路径。RRC signaling needs to be exchanged between UE and RN3, and path or routing information needs to be configured to support RRC signaling interaction. The path or routing information is different from the path or routing information used for information exchange between the UE and the DgNB. For uplink transmission (UE to RN3) - consider that the operation is transparent to UE: DgNB selects a path or route for the communication between UE and RN3, and configures path or route information for RNs involved in RRC signaling transmission, such as RN3 and RN4, for example, Path identifier or destination address identifier, and the corresponding relationship between the identifier and the UE or even a specific RB; the mapping relationship between the SRB of the UE and the DRB or SRB of RN3, that is, the RRC signaling generated by RN3 is carried on the SRB of per UE, and then passed through the DRB of RN3 Or SRB forwarding—different UE RBs may be mapped to the same RNRB, and multiple RBs of the same UE may be mapped to different DRBs of RN3. Based on the above configuration, the processing of each other RN is as follows: the last hop or the node that directly provides access to the UE, such as RN4, when forwarding the RRC signaling of a certain SRB of the UE, (the adaptation layer, or the protocol layer that handles routing ) to add the path identifier or address identifier configured by the DgNB. The intermediate node between RN4 and RN3 performs data forwarding according to the path identifier or route identifier. The RN deployed with some RRC functions, such as RN3, (the adaptation layer, or the protocol layer that handles routing) interprets the information according to the path identifier or address identifier and needs to process it at the local node, and submit the information to the upper layer. Wherein, the path or routing information for RN3 may be included in the configuration information of the RRC function in step 101 or sent simultaneously with the configuration information of the RRC function. Of course, it is not necessary to configure specific paths or routing information for "signaling interaction between RN3 and UE". For example, all RNs forward information to DgNB of UE, and RN3 configured with RRC function can be judged by UE identity Whether the RRC signaling should be processed locally - if RN3 configures part of the RRC function for a certain UE, when the received RRC signaling (for example, in the header of the Adpt PDU) contains the identity of the UE, it can go to The upper layer submits and triggers processing. Correspondingly, for the forwarding of the RRC signaling, the RRC signaling needs to carry the UE ID, and the RN needs to know the DgNB of the UE in advance, so as to forward the information. Forwarding operations, for example, when RN4 forwards RRC signaling, obtains the corresponding DgNB identity according to the UE identity carried in the RRC signaling, and then adds it to the RRC signaling; thereafter, selects the sending path according to the DgNB identity.
为保障RN3与UE之间的RRC信令交互的安全性，提供了一种对RN3与UE之间传输的RRC信令的加密方式，具体包括如下步骤：In order to ensure the security of RRC signaling interaction between RN3 and UE, an encryption method for RRC signaling transmitted between RN3 and UE is provided, which specifically includes the following steps:
针对RN3关于RRC信令的发送过程：The sending process of RRC signaling for RN3:
201、RN3根据RRC功能的配置信息激活预定的RRC功能后，根据安全参数向UE发送RRC信令。201. After RN3 activates a predetermined RRC function according to the configuration information of the RRC function, it sends RRC signaling to the UE according to security parameters.
其中，在步骤101RRC功能的配置信息包含DgNB配置给RN3的安全参数；当然该安全参数也可以是单独发送，例如在步骤101或103之后由DgNB通过单独的消息发送给RN3。Wherein, the configuration information of the RRC function in step 101 includes the security parameter configured by the DgNB to RN3; of course, the security parameter can also be sent separately, for example, after step 101 or 103, the DgNB sends it to RN3 through a separate message.
202、UE获取安全参数。202. The UE acquires security parameters.
示例性的，UE可以在步骤101之前获取安全参数。类似的，安全参数可以包括安全算法和密钥，其中安全算法可以由DgNB发送，密钥可以由UE生成。Exemplarily, the UE may obtain security parameters before step 101 . Similarly, the security parameters may include a security algorithm and a key, where the security algorithm may be sent by the DgNB, and the key may be generated by the UE.
203、UE接收RN3发送的RRC信令，根据安全参数解密RRC信令。203. The UE receives the RRC signaling sent by the RN3, and decrypts the RRC signaling according to the security parameter.
针对RN3关于RRC信令的接收过程：The receiving process of RRC signaling for RN3:
301、UE获取安全参数。301. The UE acquires security parameters.
示例性的，UE可以在步骤101之前获取安全参数。类似的，安全参数可以包括安全算法和密钥，其中安全算法可以由DgNB发送，密钥可以由UE生成。Exemplarily, the UE may obtain security parameters before step 101 . Similarly, the security parameters may include a security algorithm and a key, where the security algorithm may be sent by the DgNB, and the key may be generated by the UE.
302、UE根据安全参数向RN3发送RRC信令。302. The UE sends RRC signaling to the RN3 according to the security parameters.
303、RN3根据RRC功能的配置信息激活预定的RRC功能后，接收UE发送的RRC信令，根据安全参数解密RRC信令。303. After RN3 activates a predetermined RRC function according to the configuration information of the RRC function, it receives the RRC signaling sent by the UE, and decrypts the RRC signaling according to the security parameter.
其中，在步骤101RRC功能的配置信息包含DgNB配置给RN3的安全参数；当然该安全参数也可以是单独发送，例如在步骤101或103之后由DgNB通过单独的消息发送给RN3。Wherein, the configuration information of the RRC function in step 101 includes the security parameter configured by the DgNB to RN3; of course, the security parameter can also be sent separately, for example, after step 101 or 103, the DgNB sends it to RN3 through a separate message.
其中，在中继网络中，RN3接收UE发送的RRC信令，有下述方式：方式一：以RN3为RRC信令接收目的节点，任一RN先根据RRC信令的目的节点(RN3的标识)或路径标识，判断该RRC信令需要本节点处理。相应的，直接连接UE的RN4需要在发送UE生成的RRC信令时，将目的地址置为RN3对应的标识，或者将路径标识置为目的地为RN3所在路径的标识。方式二：UE发送的RRC信令依旧以DgNB为接收目的节点，任一RN在转发RRC信令时，根据RRC信令里包含的UE标识判断是否处理该RRC信令，如果已在本节点为所述UE配置RRC功能，则RN(例如RN3)对该RRC信令进行处理。相应的，直接连接UE的RN4需要在发送UE生成的RRC信令时，在数据包里添加UE标识，说明该RRC信令是由该UE产生的。进一步的，数据包还可以包含SRB标识，任一RN基于UE标识和SRB标识判断是否该在本节点处理数据包中的RRC信令。方式三：任一RN可以同时基于路由信息，UE标识和SRB标识来判断是否对RRC信令进行处理。只有当上述三个标识都满足时，RN才处理该信息；否则，按路由准则继续转发信息。其中RN标识可能是RN节点的编号，由DgNB或者网络管理实体OAM分配。UE标识可以是RNTI，UE context ID等。RRC信令在RN之间发送时，可能封装在携带路由标识、UE标识以及SRB标识信息的F1AP的PDU、GTP的PDU、适配层的PDU、甚至RLC PDU或者PDCP PDU种。Among them, in the relay network, RN3 receives the RRC signaling sent by the UE in the following ways: Method 1: RN3 is used as the destination node for receiving the RRC signaling, and any RN first receives the RRC signaling destination node (the identity of RN3 ) or path identifier, and determine that the RRC signaling needs to be processed by the node. Correspondingly, RN4 directly connected to the UE needs to set the destination address as the identifier corresponding to RN3 or set the path identifier as the identifier of the path where the destination is RN3 when sending the RRC signaling generated by the UE. Method 2: The RRC signaling sent by the UE still takes the DgNB as the receiving destination node. When any RN forwards the RRC signaling, it judges whether to process the RRC signaling according to the UE identity contained in the RRC signaling. The UE is configured with the RRC function, and the RN (such as RN3) processes the RRC signaling. Correspondingly, the RN4 directly connected to the UE needs to add the UE identifier in the data packet when sending the RRC signaling generated by the UE, indicating that the RRC signaling is generated by the UE. Further, the data packet may also include the SRB identifier, and any RN judges whether the node should process the RRC signaling in the data packet based on the UE identifier and the SRB identifier. Mode 3: Any RN can simultaneously judge whether to process the RRC signaling based on the routing information, the UE ID and the SRB ID. Only when the above three signs are all satisfied, the RN processes the information; otherwise, continues to forward the information according to the routing criterion. The RN identifier may be the number of the RN node, which is assigned by the DgNB or the network management entity OAM. The UE identifier can be RNTI, UE context ID, etc. When RRC signaling is sent between RNs, it may be encapsulated in F1AP PDUs, GTP PDUs, adaptation layer PDUs, or even RLC PDUs or PDCP PDUs carrying routing identifier, UE identifier and SRB identifier information.
示例性的，安全参数可以包括安全算法、密钥以及安全算法的计数值COUNT。其中安全算法包括加密算法和完整性保护算法，加密算法和完整性保护算法有各自的密钥。其中，标准中定义的多个类型的加密算法，如EEA1，EEA2，NEA0，NEA1，NEA2，NEA3。多个类型的完整性保护算法，如EIA1，EIA2，NIA0，NIA1，NIA2，NIA3。接收方需要知道对端发送数据时使用的算法，以便接收时选择相同的算法来处理。此外，加密算法执行时需要用到加密算法的计数值COUNT、bearer ID(SRB ID，DRB ID)、RB传输的方向(上行或下行传输)，加密算法对应的密钥以及需要加密的数据的长度。完整性保护算法执行时，需要用到完整性保护算法的COUNT、bearer ID(例如SRB ID从1～3)、RB传输的方向(上行或下行传输)，算法对应的密钥以及被保护的信息本身。RRC信令的安全保护同时包含加密和完整性保护，所以处理同一个RRC信令时，两个算法使用相同的COUNT。可选的，加密和完整性保护维护各自的COUNT。可选的，可以只执行加密或完整性保护，相应的，只使用一个COUNT。密钥是算法执行的一个输入参数。密钥不在接收方和发送方之间通过空口交互，而是由双方通过本地运算生成加密和完整性保护功能所需的密钥。两个节点通过协议预先规定的准则来保证双方使用相同的密钥。例如，以LTE为例，UE入网认证后，基站和UE都能根据协议的规则得到根密钥，例如KeNB；然后上述节点基于KeNB各自获取/推演出算法所需密钥，例如用于RRC信令完整性保护的密钥KRRCint和用于加密的密钥KRRCenc,以及用于用户数据的加密密钥KUPenc。COUNT可以由HFN以及PDCP PDU的SN号组成。对于同一个RB，如果该RB的方向既有上行又有下行，则会有两个COUNT，分别对于上行处理和下行处理。Exemplarily, the security parameter may include a security algorithm, a key, and a count value COUNT of the security algorithm. The security algorithm includes an encryption algorithm and an integrity protection algorithm, and the encryption algorithm and the integrity protection algorithm have their own keys. Among them, multiple types of encryption algorithms defined in the standard, such as EEA1, EEA2, NEA0, NEA1, NEA2, NEA3. Multiple types of integrity protection algorithms, such as EIA1, EIA2, NIA0, NIA1, NIA2, NIA3. The receiver needs to know the algorithm used by the other end to send data, so that it can select the same algorithm for processing when receiving. In addition, the encryption algorithm needs to use the count value COUNT of the encryption algorithm, the bearer ID (SRB ID, DRB ID), the direction of RB transmission (uplink or downlink transmission), the key corresponding to the encryption algorithm, and the length of the data to be encrypted . When the integrity protection algorithm is executed, the COUNT of the integrity protection algorithm, bearer ID (for example, SRB ID ranges from 1 to 3), the direction of RB transmission (uplink or downlink transmission), the key corresponding to the algorithm, and the protected information are required. itself. The security protection of RRC signaling includes both encryption and integrity protection, so when processing the same RRC signaling, the two algorithms use the same COUNT. Optionally, encryption and integrity protection maintain respective COUNT. Optionally, only encryption or integrity protection can be performed, correspondingly, only one COUNT is used. The secret key is an input parameter to the algorithm execution. The keys are not exchanged between the receiver and the sender through the air interface, but the keys required for encryption and integrity protection functions are generated by both parties through local calculations. The two nodes ensure that both parties use the same key through the criteria specified in the protocol. For example, taking LTE as an example, after the UE network access authentication, both the base station and theUE can obtain the root key according to the rules of the protocol, such as KeNB ; The key KRRCint for RRC signaling integrity protection, the key KRRCenc for encryption, and the encryption key KUPenc for user data. COUNT may consist of HFN and SN of PDCP PDU. For the same RB, if the direction of the RB has both uplink and downlink, there will be two COUNTs, respectively for uplink processing and downlink processing.
以下对UE与RN3之间RRC信令交互的安全性方案进行具体说明。The security solution for RRC signaling interaction between UE and RN3 will be described in detail below.
在UE与RN3之间RRC信令交互的安全性方案一中，参照图12所示，包括如下步骤：In the security scheme 1 of RRC signaling interaction between UE and RN3, as shown in FIG. 12 , the following steps are included:
401、DgNB向RN3发送安全参数。401. The DgNB sends security parameters to RN3.
安全参数可以携带在RRC功能的配置信息中，当然也可以单独发送，若单独发送可以在步骤101或103之后发送，其中，若DgNB单独发送安全参数，示例性的，DgNB可以采用F1AP的信令发送安全参数或者使用RN3支持的其他安全机制发送安全参数，采用F1AP的信令发送安全参数时指利用传输F1AP消息传输固有的安全机制保证安全性，例如F1AP信令利用SCTP为其提供信息交互的安全保障。也可以采用RN3与DgNB之间的RRC信令发送安全参数，此时利用RN3与DgNB之间的通信机制的安全保护来确认信息的可靠性和安全性。还可以是采用RLC层或PDCP层、MAC层、甚至物理层的控制信令发送安全参数——例如，也可以定义PDCP control PDU(在RN与Donor之间的PDCP entity传递)来携带安全参数。The security parameter can be carried in the configuration information of the RRC function, and of course it can be sent separately. If it is sent separately, it can be sent after step 101 or 103. Wherein, if the DgNB sends the security parameter separately, for example, the DgNB can use the signaling of F1AP Send security parameters or use other security mechanisms supported by RN3 to send security parameters. When using F1AP signaling to send security parameters, it means to use the inherent security mechanism of F1AP message transmission to ensure security. For example, F1AP signaling uses SCTP to provide information exchange for it. security. The RRC signaling between RN3 and DgNB may also be used to send security parameters, and at this time, the reliability and security of information is confirmed by using the security protection of the communication mechanism between RN3 and DgNB. It is also possible to use RLC layer or PDCP layer, MAC layer, or even physical layer control signaling to send security parameters—for example, PDCP control PDU (PDCP entity transfer between RN and Donor) can also be defined to carry security parameters.
安全参数包括安全算法和密钥。DgNB与UE处理RRC信令所用的安全算法由DgNB预先配置。本申请的实施例中以DgNB与RN3使用相同的安全算法为例，则由DgNB把安全算法配置给RN。在配置RN3之前，DgNB需要获取RN3支持的安全算法.如果RN3不支持DgNB正在使用的安全算法，需要结合UE能支持的安全算法，RN3能支持的安全算法以及DgNB能支持的安全算法来选择。相应的，需要给UE发送命令重配置安全算法。其中安全算法可以每个(per)RB为粒度进行配置，即不同的RB可以采用不同的安全算法类型；所有SRB采用相同的安全算法类型，所有DRB采用相同的安全算法类型，两类RB配置的具体安全算法类型可以相同也可以不同；安全算法可以每个(per)中继节点RN为粒度进行配置，这时所有RB采用相同的安全算法。Security parameters include security algorithms and keys. The security algorithm used by DgNB and UE to process RRC signaling is pre-configured by DgNB. In the embodiment of the present application, it is taken that the DgNB and the RN3 use the same security algorithm as an example, and the DgNB configures the security algorithm to the RN. Before configuring RN3, DgNB needs to obtain the security algorithm supported by RN3. If RN3 does not support the security algorithm being used by DgNB, it needs to combine the security algorithm supported by UE, the security algorithm supported by RN3 and the security algorithm supported by DgNB to select. Correspondingly, a command needs to be sent to the UE to reconfigure the security algorithm. The security algorithm can be configured at the granularity of each (per) RB, that is, different RBs can use different security algorithm types; all SRBs use the same security algorithm type, and all DRBs use the same security algorithm type. Two types of RB configurations The specific security algorithm types can be the same or different; the security algorithm can be configured at the granularity of each (per) relay node RN, and at this time, all RBs use the same security algorithm.
关于密钥，DgNB直接向RN3提供加密功能对应的密钥和完整性保护功能对应的密钥，例如加密算法的密钥KRRCenc和完整性保护算法的密钥KRRCint；或者，DgNB向RN3提供一个根密钥，如KeNB，RN3基于该根密钥获取/推演出用于完整性保护功能和加密功能的密钥。根密钥KeNB通常是RN粒度的，即该根密钥对所有RB都适用，RN3最终基于根密钥生成KRRCenc以及KRRCint和用于数据传输的密钥KUPenc。此外，对应安全算法为per RB粒度时，密钥也可以是perRB粒度的。Regarding the key, DgNB directly provides RN3 with the key corresponding to the encryption function and the key corresponding to the integrity protection function, such as the key KRRCenc of the encryption algorithm and the key K RRCintof the integrity protection algorithm; or, DgNB provides RN3 with A root key, such as KeNB , based on the root key, the RN3 obtains/deduces the key used for the integrity protection function and the encryption function. The root key KeNB is usually RN granular, that is, the root key is applicable to all RBs, and the RN3 finally generates KRRCenc and KRRCint and the key KUPenc for data transmission based on the root key. In addition, when the corresponding security algorithm is per RB granularity, the key may also be per RB granularity.
此外，安全参数还可以包含安全算法的计数值COUNT，RN3可以把该计数值COUNT用于激活预定的RRC功能发送给UE的第一个RRC信令的加密，或者用于接收到的UE发送的第一个RRC信令的解密。COUNT值通常是per RB的粒度；每个RB经过安全操作后独立更新。In addition, the security parameter can also include the count value COUNT of the security algorithm, and the RN3 can use the count value COUNT to activate the encryption of the first RRC signaling sent to the UE by a predetermined RRC function, or to use the received Decryption of the first RRC signaling. The COUNT value is usually per RB granularity; each RB is updated independently after security operations.
402、DgNB接收RN3发送的安全参数配置完成信令。402. The DgNB receives the security parameter configuration completion signaling sent by the RN3.
RN3执行完安全参数配置或激活后，发送安全参数配置完成信令给DgNB告知配置成功。安全参数配置完成信令可以是个显示信息，并且可以和携带在步骤103的反馈信息中，当然也可以省略其中之一，甚至只使用消息类型来指示配置完成，即只要收到步骤103的反馈信息，则DgNB确认RN的RRC功能激活并且安全参数配置完成。在上述方案中还说明安全参数还可以包含安全算法的计数值COUNT，安全参数配置完成消息可包含安全算法的计数值COUNT，该值由RN3确定，DgNB可使用该计数值向UE发送RRC信令。当然，COUNT也可以单独发送，若单独发送则DgNB接收RN3发送的安全参数配置完成信令向RN发送COUNT，如步骤403所述。After completing the security parameter configuration or activation, the RN3 sends a security parameter configuration completion signaling to the DgNB to inform the configuration success. The security parameter configuration completion signaling can be a display message, and can be carried in the feedback information of step 103, of course, one of them can also be omitted, or even only use the message type to indicate the completion of the configuration, that is, as long as the feedback information of step 103 is received , the DgNB confirms that the RRC function of the RN is activated and the security parameter configuration is completed. In the above solution, it is also explained that the security parameter can also include the count value COUNT of the security algorithm, and the security parameter configuration completion message can include the count value COUNT of the security algorithm, which is determined by RN3, and the DgNB can use this count value to send RRC signaling to the UE . Of course, the COUNT can also be sent separately. If it is sent separately, the DgNB receives the security parameter configuration completion signaling sent by the RN3 and sends the COUNT to the RN, as described in step 403 .
403、DgNB向RN3发送COUNT。403. The DgNB sends COUNT to RN3.
此时可以不用关注DgNB是否收到UE的RRC信令，或者已经向UE发送了RRC信令——此时DgNB可以同时发送上行传输和下行传输对应的COUNT，RN3将COUNT作为完整性保护算法和加密算法的初始计数值。At this time, you don't need to pay attention to whether DgNB has received RRC signaling from UE, or has sent RRC signaling to UE - at this time, DgNB can send COUNT corresponding to uplink transmission and downlink transmission at the same time, and RN3 uses COUNT as the integrity protection algorithm and The initial count value of the encryption algorithm.
此外，当RN3使用过步骤403发送的COUNT后，还需要将该COUNT同步至DgNB。具体的，可以是，RN3根据该COUNT向UE发送过RRC信令后，或者RN3使用该COUNT解密和/或完整性校验过UE发送过RRC信令后，还包括步骤404。使用该COUNT向UE发送RRC信令是指使用COUNT对RRC信令进行加密和/或完整性保护，然后发送处理后RRC信令。In addition, after RN3 has used the COUNT sent in step 403, it also needs to synchronize the COUNT to the DgNB. Specifically, after the RN3 sends the RRC signaling to the UE according to the COUNT, or after the RN3 decrypts and/or integrity checks the RRC signaling sent by the UE using the COUNT, step 404 is also included. Using the COUNT to send the RRC signaling to the UE refers to using the COUNT to encrypt and/or integrity protect the RRC signaling, and then sending the processed RRC signaling.
404、RN3向DgNB同步COUNT。404. RN3 synchronizes COUNT to DgNB.
具体的，安全算法使用的计数值COUNT可以包括：加密算法的COUNT以及完整性保护算法的COUNT。该COUNT可以由HFN以及PDU的SN号组成，因此，如果RN3和DgNB之间有其余机制同步SN或HFN，那么RN3向DgNB同步COUNT的消息内容可以只包含HFN或SN。根据当前协议，加密和完整性保护功能同时进行，因此两个操作可以使用同一个COUNT。进一步的，COUNT是per RB粒度的；并且对同一个RB的不同方向，如上行和下行，各维护一个COUNT。此外，RN3向DgNB同步COUNT，可以是直接把该使用过的COUNT发送给DgNB，DgNB先更新该使用过的COUNT然后使用；或者RN3更新该使用过的COUNT后发送至DgNB，例如RN3对使用过的COUNT“加1”然后发送给DgNB；DgNB直接使用更新的COUNT。Specifically, the count value COUNT used by the security algorithm may include: COUNT of the encryption algorithm and COUNT of the integrity protection algorithm. The COUNT may be composed of HFN and the SN of the PDU. Therefore, if there are other mechanisms between RN3 and DgNB to synchronize SN or HFN, then the content of the COUNT synchronization message from RN3 to DgNB may only include HFN or SN. According to the current protocol, the encryption and integrity protection functions are performed simultaneously, so the same COUNT can be used for both operations. Further, COUNT is per RB granularity; and for different directions of the same RB, such as uplink and downlink, each COUNT is maintained. In addition, RN3 synchronizes COUNT to DgNB by directly sending the used COUNT to DgNB, DgNB first updates the used COUNT and then uses it; or RN3 updates the used COUNT and then sends it to DgNB, for example, RN3 The COUNT "plus 1" is then sent to DgNB; DgNB directly uses the updated COUNT.
RN3向DgNB同步COUNT的消息内容可以采用如下上述RN3与DgNB之间安全参数的传输方式进行安全保障，这里不再赘述。The content of the COUNT synchronization message from RN3 to DgNB can be secured by adopting the transmission method of the above-mentioned security parameters between RN3 and DgNB, which will not be repeated here.
此外，上述的部分安全参数，例如安全算法和密钥可以由核心网的实体NGC，如MME或AMF提供；通常DgNB获取的根密钥(如KeNB)是由NGC或AMF提供的，因此对于本申请的实施例根密钥KeNB也可以直接由NGC或AMF直接发送给RN3，例如使用RN3与NGC或AMF建立的NAS连接传输根密钥KeNB；此时DgNB需要向NGC或AMF发送请求，以请求NGC或AMF将根密钥KeNB发送给RN3，该请求中至少包含RN3ID和UE ID，以便NGC或AMF获取UE在RN3对应的KeNB，然后根据RN3标识向对应的RN3发送密钥。或者DgNB将密钥发给NGC或AMF，NGC或AMF通过与RN3之间的NAS连接，通过NAS信令把密钥提供给RN3。加密算法和完整性算法也可以采取上述密钥获取类似方式进行获取，这里不再赘述。In addition, some of the above-mentioned security parameters, such as security algorithms and keys, can be provided by core network entity NGC, such as MME or AMF; usually the root key (such as KeNB ) obtained by DgNB is provided by NGC or AMF, so for In the embodiment of this application, the root key KeNB can also be directly sent to RN3 by NGC or AMF, for example, using the NAS connection established between RN3 and NGC or AMF to transmit the root key KeNB ; at this time, DgNB needs to send a request to NGC or AMF , to request NGC or AMF to send the root key KeNB to RN3, the request contains at least RN3ID and UE ID, so that NGC or AMF can obtain the corresponding KeNB of UE in RN3, and then send the key to the corresponding RN3 according to the identity of RN3 . Or the DgNB sends the key to the NGC or AMF, and the NGC or AMF provides the key to the RN3 through the NAS signaling between the NGC or the RN3. The encryption algorithm and the integrity algorithm can also be acquired in a manner similar to that of the key acquisition described above, which will not be repeated here.
上述方案中安全算法是由DgNB根据RN3和\或UE支持的算法能力选取，当然也可以由RN3选取算法，具体说明如下：DgNB向RN3提供DgNB以及UE当前使用的算法1或者DgNB和UE各自支持的算法；RN3结合自身的算法能力，如果支持算法1，则在发送至DgNB的安全参数配置完成信令中反馈当前的算法1；如果不支持算法1，则结合DgNB提供的信息和本地能力确定新的算法2，并在在发送至DgNB的安全参数配置完成信令中反馈新的算法2。DgNB发现算法配置已变化，则触发UE的算法配置调整。In the above solution, the security algorithm is selected by DgNB according to the algorithm capabilities supported by RN3 and/or UE. Of course, the algorithm can also be selected by RN3. The specific description is as follows: DgNB provides RN3 with the algorithm 1 currently used by DgNB and UE or the respective support of DgNB and UE Algorithm; RN3 combines its own algorithm capabilities, if it supports Algorithm 1, it will feed back the current Algorithm 1 in the security parameter configuration completion signaling sent to DgNB; if it does not support Algorithm 1, it will determine based on the information provided by DgNB and local capabilities New Algorithm 2, and feed back the new Algorithm 2 in the security parameter configuration completion signaling sent to the DgNB. When the DgNB finds that the algorithm configuration has changed, it triggers the algorithm configuration adjustment of the UE.
在上述的UE与RN3之间RRC信令交互的安全性方案一中，通过RN3和DgNB之间的安全参数交互，保证了UE与RAN侧实体(RN3或DgNB)之间RRC信息收发所需安全性，同时，由于针对UE的SRB对应分布在RN3和DgNB上的SRB使用同一的安全参数，也保证了操作对UE行为透明。站在UE和RAN侧实体信令交互的角度，RN3的RRC实体可以看成是DgNB的RRC实体的“热备分”——因为与UE通信时，RN3和DgNB使用的加密和完整性保护算法类型相同，密钥也相同，并且PDCP处理加密和完整性保护时的序号通过本实施例的COUNT同步操作也保持了一致。In the above-mentioned security scheme 1 of RRC signaling interaction between UE and RN3, through the security parameter interaction between RN3 and DgNB, the security required for RRC information transmission and reception between UE and RAN side entity (RN3 or DgNB) is guaranteed At the same time, since the SRB for the UE corresponds to the SRB distributed on the RN3 and the DgNB uses the same security parameters, it also ensures that the operation is transparent to the behavior of the UE. From the perspective of UE and RAN side entity signaling interaction, the RRC entity of RN3 can be regarded as the "hot backup" of the RRC entity of DgNB - because the encryption and integrity protection algorithm used by RN3 and DgNB when communicating with UE The types are the same, the keys are also the same, and the sequence numbers when the PDCP handles encryption and integrity protection are also kept consistent through the COUNT synchronization operation in this embodiment.
在UE与RN3之间RRC信令交互的安全性方案二中，与上述UE与RN3之间RRC信令交互的安全性方案一的区别是，DgNB不对通过RN3发往UE的RRC信令执行加密和完整性保护，RN3也不对转发至DgNB的UE发送的RRC信令执行加密和完整性保护。In the security scheme 2 of RRC signaling interaction between UE and RN3, the difference from the above security scheme 1 of RRC signaling interaction between UE and RN3 is that DgNB does not encrypt the RRC signaling sent to UE through RN3 and integrity protection, RN3 does not perform encryption and integrity protection on the RRC signaling sent by the UE forwarded to the DgNB.
参照图13所示，包括如下步骤：As shown in Figure 13, the following steps are included:
501、DgNB向RN3发送安全参数。501. The DgNB sends security parameters to RN3.
安全参数可以携带在RRC功能的配置信息中，当然也可以单独发送，若单独发送可以在步骤101或103之后发送，其中对于步骤501的实现可以参考步骤401这里不再赘述。The security parameter can be carried in the configuration information of the RRC function, and of course can also be sent separately. If it is sent separately, it can be sent after step 101 or 103. For the implementation of step 501, refer to step 401 and will not repeat it here.
502、DgNB接收RN3发送的安全参数配置完成信令。502. The DgNB receives the security parameter configuration completion signaling sent by the RN3.
对于DgNB发送至UE的控制信息，进行如步骤503与504的操作：For the control information sent by the DgNB to the UE, perform operations such as steps 503 and 504:
503、DgNB采用与RN3约定的信息格式向RN3发送的RRC信令。503. The DgNB sends the RRC signaling to the RN3 in the information format agreed with the RN3.
504、RN3通过安全参数对RRC信令加密并发送至UE。504. The RN3 encrypts the RRC signaling through the security parameter and sends it to the UE.
例如，在RN切换场景中，DgNB生成测量配置信令，通过DgNB和RN3之间的接口传递到RN3；RN3识别出该测量配置信令需要进一步转发给UE，则对该测量配置信令进行加密和完整性保护处理，然后发送给UE。For example, in the RN handover scenario, DgNB generates measurement configuration signaling and transmits it to RN3 through the interface between DgNB and RN3; RN3 recognizes that the measurement configuration signaling needs to be further forwarded to UE, and then encrypts the measurement configuration signaling and integrity protection processing, and then sent to the UE.
对于UE发送至DgNB的控制信息，进行如步骤505与506的操作：For the control information sent by the UE to the DgNB, perform operations such as steps 505 and 506:
505、RN3接收UE发送的RRC信令，并根据所述安全参数解密RRC信令。505. RN3 receives the RRC signaling sent by the UE, and decrypts the RRC signaling according to the security parameter.
506、RN3采用与DgNB约定的信息格式向DgNB发送解密后的RRC信令。506. The RN3 sends the decrypted RRC signaling to the DgNB in the information format agreed with the DgNB.
具体的对于UE生成的RRC信令，由RN3完成信息解密和完整性校验后，根据RRC信令类型，判断是否需要继续向DgNB转发。其中约定的信息格式包括可以采用F1AP的信令，此时利用F1AP消息传输时固有的安全机制保证安全性，例如F1AP信令利用SCTP为其提供信息交互的安全保障。也可以采用RN3与DgNB之间的RRC信令，此时利用RN3与DgNB之间的通信机制的安全保护来确认信息的可靠性和安全性。还可以是采用RLC层或PDCP层、MAC层、甚至物理层的控制信令发送安全参数——例如，也可以定义PDCP control PDU(在RN与Donor之间的PDCP entity传递)。由于，DgNB与RN不使用同一套安全参数，因此当RN配置了部分RRC功能并配置了安全参数后，DgNB可以保存安全参数，也可以删除。Specifically, for the RRC signaling generated by the UE, after the RN3 completes information decryption and integrity verification, it judges whether it needs to continue forwarding to the DgNB according to the type of the RRC signaling. The agreed information format includes that F1AP signaling can be used. At this time, the inherent security mechanism of F1AP message transmission is used to ensure security. For example, F1AP signaling uses SCTP to provide security for information exchange. The RRC signaling between the RN3 and the DgNB may also be used, and at this time, the reliability and security of the information is confirmed by using the security protection of the communication mechanism between the RN3 and the DgNB. It is also possible to use the control signaling of the RLC layer or the PDCP layer, the MAC layer, or even the physical layer to send security parameters—for example, PDCP control PDU (PDCP entity transfer between RN and Donor) can also be defined. Since the DgNB and the RN do not use the same set of security parameters, when the RN configures some RRC functions and security parameters, the DgNB can save or delete the security parameters.
此外，DgNB给RN3配置安全参数的过程，如果触发了DgNB的密钥(例如根密钥，LTE中的KeNB)更新，同时需要触发UE也更新根密钥。DgNB确定了要在RN3上配置部分RRC功能后，触发密钥更新，生成根密钥KeNB*。随后DgNB将该KeNB*发往RN3，与上述方案类似可以是直接提供KeNB*，也可以由DgNB先生成加密和完整性保护的密钥，再发往RN3。DgNB同时也触发UE的密钥更新，例如通过RRC信令向UE提供用于计算新密钥的参数，例如，NCC。UE基于该参数和预定义/预配置的准则，算法更新密钥为KeNB*；进一步的，可基于该根密钥获取加密和完整性保护所需的密钥。NCC通常由切换命令/切换控制信息携带，而在本方案中，只是在RN3上激活部分RRC功能，RRC功能可以为切换相关的功能也可能为其他功能，因此本方案中并不触发UE切换，因此NCC信息并不通过切换命令/切换控制信息提供，而是使用不包括切换命令的RRC重配置信息，或者新定义的RRC信令来传输。上述向RN3和UE的配置密钥的过程可以同时进行，也可以先完成对UE的配置再向RN3进行配置，也可以交换顺序。当UE完成密钥更新后，获取加密和完整性保护所需的密钥，然后用新的密钥对RRC信令进行处理，例如用新的密钥处理向DgNB发送配置完成消息。进一步的，此时RN3可能已配置了RRC功能或密钥，可以处理该配置完成消息再向DgNB发送一个确认，也可以完成解密和完整性校验后将配置完成消息转发到DgNB。In addition, in the process of DgNB configuring security parameters for RN3, if the update of the DgNB's key (for example, the root key, KeNB in LTE) is triggered, the UE also needs to be triggered to update the root key. After the DgNB determines to configure some RRC functions on the RN3, it triggers a key update to generate a root key KeNB *. Then DgNB sends the KeNB * to RN3. Similar to the above scheme, KeNB * can be provided directly, or DgNB can generate an encrypted and integrity-protected key, and then send it to RN3. At the same time, the DgNB also triggers the key update of the UE, for example, providing the UE with parameters for calculating a new key, such as NCC, through RRC signaling. Based on the parameter and the pre-defined/pre-configured criterion, the UE uses an algorithm to update the key to KeNB *; further, the key required for encryption and integrity protection can be obtained based on the root key. NCC is usually carried by the handover command/handover control information, but in this solution, only some RRC functions are activated on RN3, and the RRC function can be handover-related functions or other functions, so UE handover is not triggered in this solution. Therefore, the NCC information is not provided through the handover command/handover control information, but is transmitted using RRC reconfiguration information that does not include the handover command, or newly defined RRC signaling. The above process of configuring keys to RN3 and UE can be performed at the same time, or the configuration to UE can be completed first and then configured to RN3, or the sequence can be exchanged. After the UE completes the key update, it obtains the key required for encryption and integrity protection, and then uses the new key to process the RRC signaling, for example, uses the new key to process and send a configuration complete message to the DgNB. Further, RN3 may have configured the RRC function or key at this time, and can process the configuration complete message and send a confirmation to DgNB, or can complete the decryption and integrity check and then forward the configuration complete message to DgNB.
在UE与RN3之间RRC信令交互的安全性方案二中，通过RN3与DgNB的协调机制，确保RN3与UE通信的安全性，保障了RN3上部署部分RRC功能的可行性。从而能够减小多跳多连接网络造成的信令开销和处理时延。相对于UE与RN3之间RRC信令交互的安全性方案一，在RN3和DgNB处理RRC信令时，不需要同步安全算法的计数值COUNT。同时，由于针对UE的SRB对应分布在RN3和DgNB上的SRB使用同一的安全参数，也保证了操作对UE行为透明。RN3使用一个SRB承载UE交互的RRC信令的，DgNB与RN3之间传输UE的信息不使用SRB。In the second security scheme of RRC signaling interaction between UE and RN3, the coordination mechanism between RN3 and DgNB ensures the security of communication between RN3 and UE, and ensures the feasibility of deploying some RRC functions on RN3. Therefore, the signaling overhead and processing delay caused by the multi-hop multi-connection network can be reduced. Compared with the security scheme 1 of RRC signaling interaction between UE and RN3, when RN3 and DgNB process RRC signaling, it is not necessary to synchronize the count value COUNT of the security algorithm. At the same time, since the SRB for the UE corresponds to the SRB distributed on the RN3 and the DgNB and uses the same security parameters, it also ensures that the operation is transparent to the behavior of the UE. If RN3 uses one SRB to bear the RRC signaling for UE interaction, the DgNB and RN3 do not use SRB to transmit UE information.
在UE与RN3之间RRC信令交互的安全性方案三中，与上述UE与RN3之间RRC信令交互的安全性方案一、二的区别是，UE加载两套安全参数，分别对应DgNB和RN。因此，UE上对于RRC信令的收发操作需要对DgNB和RN进行识别，或者UE需要区RRC信令的目的节点或源节点，以便选择对应的安全参数。In the third security scheme of RRC signaling interaction between UE and RN3, the difference from the above security schemes 1 and 2 of RRC signaling interaction between UE and RN3 is that UE loads two sets of security parameters, corresponding to DgNB and RN. Therefore, the UE needs to identify the DgNB and the RN when transmitting and receiving RRC signaling, or the UE needs to identify the destination node or source node of the RRC signaling in order to select corresponding security parameters.
其中安全参数可以由DgNB选择生成或者由RN3选择生成。The security parameters can be selected and generated by the DgNB or by the RN3.
参照图14所示，安全参数由DgNB选择生成时，包括如下步骤：Referring to Figure 14, when the security parameters are selected and generated by the DgNB, the following steps are included:
601、DgNB向RN3发送第一安全参数。601. The DgNB sends the first security parameter to the RN3.
示例性的第一安全参数用于指示RN3和UE通信时使用的安全算法和密钥。第一安全参数的发送方式可以携带在RRC功能的配置信息中，当然也可以单独发送，若单独发送可以在步骤101或103之后发送。具体可以参考步骤401中安全参数的发送方式的描述。The exemplary first security parameter is used to indicate the security algorithm and key used in communication between RN3 and UE. The sending method of the first security parameter can be carried in the configuration information of the RRC function, and of course it can also be sent separately, if it is sent separately, it can be sent after step 101 or 103 . For details, refer to the description of the sending manner of the security parameter in step 401 .
具体的，安全算法可以为DgNB选择的RN3和UE通信时使用的加密算法和完整性保护算法，其中安全算法的选取需要基于UE对算法的支持能力和RN对算法的支持能力。密钥可以采用如下方式生成，方式一：在配置RN3的第一安全参数之前，由DgNB生成RN3和UE通信所用的密钥(如KRN)，示例性的，DgNB维护一个RN3对应的计数值COUNT1，DgNB用该COUNT1和DgNB自身的密钥(如根密钥KeNB)，生成RN3和UE通信所用的密钥(如KRN；RN根据KRN获取加密算法和完整性保护算法使用的密钥。方式二：DgNB将密钥计算所需的参数发送给RN，由后者生成RN3和UE通信所用的密钥(如KRN)，示例性的，DgNB直接将KeNB以及DgNB维护的RN3对应的COUNT发送至RN3，由RN3自己计算KRN。Specifically, the security algorithm may be an encryption algorithm and an integrity protection algorithm selected by the DgNB for communication between the RN3 and the UE, wherein the selection of the security algorithm needs to be based on the UE's ability to support the algorithm and the RN's ability to support the algorithm. The key can be generated in the following ways. Way 1: Before configuring the first security parameter of RN3, the DgNB generates the key (such as KRN ) used for communication between RN3 and UE. For example, DgNB maintains a count value corresponding to RN3 COUNT1, DgNB uses the COUNT1 and DgNB's own key (such as root key KeNB ) to generate the key used by RN3 and UE communication (such as KRN ;RN obtains the encryption algorithm and the encryption algorithm used by the integrity protection algorithm according to K RN Method 2: DgNB sends the parameters required for key calculation to RN, and the latter generates the key (such as KRN ) used for communication between RN3 and UE. Exemplarily, DgNB directly sends KeNB and RN3 maintained by DgNB The corresponding COUNT is sent to RN3, and RN3 calculates KRN by itself.
第一安全参数可以通过RRC功能的配置信息发送，也可以独立发送，例如可以在步骤101或103之后发送。The first security parameter can be sent through the configuration information of the RRC function, or can be sent independently, for example, it can be sent after step 101 or 103 .
602、RN3向DgNB发送的安全参数配置完成信令。602. The security parameter configuration completion signaling sent by the RN3 to the DgNB.
603：DgNB向UE发送第二安全参数。603: The DgNB sends the second security parameter to the UE.
第二安全参数可以包含密钥和安全算法，其中RN3和DgNB可以使用相同的安全算法，进一步的，第二安全参数可以采用缺省配置的方式，当第二安全参数不包含算法，UE可认为与RN3信令交互时使用的安全算法和RN3与DgNB交互时采用的算法相同。可以采用显示的指示，例如1bit，置1表示两者相同。或者第二安全参数包含UE具体使用的安全算法。密钥的生成方法如下，可以提供RN3对应的COUNT1给UE(类似上述实施例提及的NCC，或者DC里的SCG COUNT)；UE基于DgNB的密钥如KeNB和上述COUNT1计算出RN使用的KRN；UE可以根据KRN获取/推演加密算法和完整性保护算法的密钥，对UE的配置完成后，UE同时有2套安全算法及密钥，即UE与DgNB之间信令交互使用的安全算法1和对应的密钥KeNB；以及UE与RN3之间信令交互使用的安全算法2和对应的密钥KRN。示例性的第二安全参数可以通过安全算法1和对应的密钥KeNB进行安全保护。The second security parameter can include a key and a security algorithm, where RN3 and DgNB can use the same security algorithm. Further, the second security parameter can adopt a default configuration mode. When the second security parameter does not include an algorithm, the UE can assume that The security algorithm used when interacting with RN3 signaling is the same as the algorithm used when RN3 interacts with DgNB. Displayed instructions can be used, such as 1bit, and setting 1 means that the two are the same. Or the second security parameter includes a security algorithm specifically used by the UE. The key generation method is as follows, the COUNT1 corresponding to RN3 can be provided to the UE (similar to the NCC mentioned in the above embodiment, or the SCG COUNT in the DC); the UE calculates the key used by the RN based on the key of the DgNB such as KeNB and the above COUNT1 KRN ; UE can obtain/deduce the keys of the encryption algorithm and the integrity protection algorithm according to KRN . After the configuration of the UE is completed, the UE has two sets of security algorithms and keys at the same time, that is, the signaling interaction between the UE and the DgNB The security algorithm 1 and the corresponding key KeNB ; and the security algorithm 2 and the corresponding key KRN used in signaling interaction between UE and RN3 . The exemplary second security parameter can be security protected by security algorithm 1 and the corresponding key KeNB .
安全参数由RN3选择生成时，包括如下步骤：When the security parameters are selected and generated by RN3, the following steps are included:
701、DgNB向RN3发送第一安全参数。701. The DgNB sends the first security parameter to the RN3.
第一安全参数的发送方式可以携带在RRC功能的配置信息中，当然也可以单独发送，若单独发送可以在步骤101或103之后发送。具体可以参考步骤401中安全参数的发送方式的描述。示例性的第一安全参数用于指示RN3和UE通信时使用的密钥，以及UE支持的安全算法。密钥产生方式及其配置方式参考步骤601这里不再赘述。RN3可以根据UE支持的安全算法选择UE与RN3通信的安全算法，示例性的，也可以直接将UE和DgNB使用的安全算法包含在第一安全参数中。The sending method of the first security parameter can be carried in the configuration information of the RRC function, and of course it can also be sent separately, if it is sent separately, it can be sent after step 101 or 103 . For details, refer to the description of the sending manner of the security parameter in step 401 . The exemplary first security parameter is used to indicate the key used when RN3 communicates with the UE, and the security algorithm supported by the UE. Refer to step 601 for the key generation method and its configuration method, which will not be repeated here. The RN3 may select a security algorithm for communication between the UE and the RN3 according to the security algorithm supported by the UE. For example, the security algorithm used by the UE and the DgNB may also be directly included in the first security parameter.
702、RN3向DgNB发送的安全参数配置完成信令。702. The RN3 sends a security parameter configuration completion signaling to the DgNB.
安全参数配置完成信令，包含RN3根据自身支持的算法能力和UE支持的安全算法确定的RN3与UE信令交互时采用的安全算法。The security parameter configuration completion signaling includes the security algorithm used by RN3 and UE signaling interaction determined by RN3 according to the algorithm capability supported by itself and the security algorithm supported by UE.
703、DgNB向UE发送第二安全参数。703. The DgNB sends the second security parameter to the UE.
第二安全参数包含密钥和安全算法，具体实现方式与步骤603类似这里不再赘述。The second security parameter includes a key and a security algorithm, and the specific implementation method is similar to step 603 and will not be repeated here.
在UE和RN3的安全参数配置完成后，UE与DgNB之间信令交互使用的安全算法1和对应的密钥KeNB；以及UE与RN3之间信令交互使用的安全算法2和对应的密钥KRN。相对于UE与RN3之间RRC信令交互的安全性方案一，在RN3和DgNB处理RRC信令时，不需要同步安全算法计数值COUNT。After the security parameter configuration of UE and RN3 is completed, the security algorithm 1 and the corresponding key KeNB used for signaling interaction between UE and DgNB; and the security algorithm 2 and corresponding key K eNB used for signaling interaction between UE and RN3 Key KRN . Compared with the security scheme 1 of RRC signaling interaction between UE and RN3, when RN3 and DgNB process RRC signaling, it is not necessary to synchronize the security algorithm count value COUNT.
具体地，在UE与RN3之间RRC信令交互的安全性方案三中，UE接收处理RRC信令的方式通过SRB来区别，例如DgNB与UE之间使用SRB1，而RN3与UE之间使用SRB3。中间节点RN在转发RRC信令时携带SRB标识。UE根据SRB标识来选择安全参数对RRC信令进行处理。如果RRC功能根据“RRC功能”或“RRC信令类型”映射到了节点，如RN3和DgNB，则需选择各节点对应的SRB，并采用相应的安全参数进行加密和完整性保护。如果映射到了具体的SRB，则可以直接执行加密和完整性保护操作。Specifically, in the third security scheme of RRC signaling interaction between UE and RN3, the way UE receives and processes RRC signaling is distinguished by SRB, for example, SRB1 is used between DgNB and UE, and SRB3 is used between RN3 and UE . The intermediate node RN carries the SRB identifier when forwarding the RRC signaling. The UE selects security parameters according to the SRB identifier to process the RRC signaling. If the RRC function is mapped to nodes according to "RRC function" or "RRC signaling type", such as RN3 and DgNB, it is necessary to select the corresponding SRB of each node, and use corresponding security parameters for encryption and integrity protection. If mapped to a specific SRB, encryption and integrity protection operations can be performed directly.
RN3发送RRC信令时使用已建立的SRB及相应安全参数对RRC加密和完整性保护。RN3收到UE的RRC信令时，RN3根据UE标识和SRB标识来判断该信息是否需要本地处理，如果已配置该UE的RRC功能，并且信令通过SRB3传递，则RN3(PDCP层)对该RRC信令进行解密和完整性校验后递交到RRC层处理；如果不需要处理某UE的信息(SRB标识不符，UE标识符合)，或者说未配置该UE的RRC功能(UE标识不符)，则继续转发信令。转发操作依赖消息里的路径标识或路由信息，例如目的节点标识。RN3还可以根据路由信息判断是否是信息处理的目的节点。同时结合路由信息，UE标识和SRB标识来判断是否需要处理信令。RN3 uses the established SRB and corresponding security parameters to encrypt and protect RRC when sending RRC signaling. When RN3 receives the RRC signaling from UE, RN3 judges whether the information needs to be processed locally according to the UE ID and SRB ID. If the RRC function of the UE has been configured and the signaling is transmitted through SRB3, RN3 (PDCP layer) After the RRC signaling is decrypted and integrity checked, it is submitted to the RRC layer for processing; if there is no need to process the information of a certain UE (the SRB ID does not match, the UE ID matches), or the RRC function of the UE is not configured (the UE ID does not match), Then continue to forward the signaling. The forwarding operation relies on the path identifier or routing information in the message, such as the destination node identifier. RN3 can also judge whether it is the destination node for information processing according to the routing information. At the same time, combined with the routing information, the UE identifier and the SRB identifier, it is judged whether signaling needs to be processed.
参照图15所示，当DgNB为RN3配置了RN的切换功能后，为了保证切换控制可以在RN3执行，RN3还需要获取别的信息。Referring to FIG. 15 , after the DgNB configures the RN handover function for RN3, in order to ensure that the handover control can be performed on RN3, RN3 needs to obtain other information.
801、RN3获取DgNB发送的导频配置信息，导频配置信息包含其他RN的标识，以及其他RN对应的导频配置或导频配置的标识。801. The RN3 acquires the pilot configuration information sent by the DgNB. The pilot configuration information includes the identifiers of other RNs, and the pilot configurations or identifiers of the pilot configurations corresponding to the other RNs.
其中，由于RN可能没有自己的cell ID，因此在DgNB触发UE配置测量(通过RRCReconfiguration消息)时，UE只能通过对CSI-RS的测量来获取测量结果。此时，UE无法区分RN，无法基于RN进行小区质量比较来触发测量上报。DgNB在给UE配置测量的同时，向RN3提供邻区的导频配置信息。导频配置信息包含其他RN的标识，以及其他RN的导频配置或者导频配置的标识，如CSI-RS set或CSI-RS set ID；其他RN为中继网络中RN3以外的其他RN。UE的测量上报信息携带导频配置或导频配置的标识，例如CSI-RS set ID或者CSI-RS ID；这时RN3可以基于DgNB的发送的导频配置信息，将UE上报的测量结果和RN关联起来，然后进行RN(小区)的质量比较，判断是否需要触发切换，并选择目标小区/目标RN，并向UE发送切换命令，其中切换命令包括目标RN的标识。Wherein, since the RN may not have its own cell ID, when the DgNB triggers the UE configuration measurement (through the RRCReconfiguration message), the UE can only obtain the measurement result by measuring the CSI-RS. At this time, the UE cannot distinguish RNs, and cannot trigger measurement reporting based on cell quality comparison of RNs. The DgNB provides the pilot configuration information of the neighboring cell to the RN3 while configuring the measurement for the UE. The pilot configuration information includes identifiers of other RNs, and pilot configurations or identifiers of pilot configurations of other RNs, such as CSI-RS set or CSI-RS set ID; other RNs are RNs other than RN3 in the relay network. The measurement reporting information of the UE carries the pilot configuration or the identifier of the pilot configuration, such as CSI-RS set ID or CSI-RS ID; at this time, RN3 can combine the measurement results reported by the UE with the RN based on the pilot configuration information sent by the DgNB. After association, compare the quality of RN (cell), judge whether to trigger handover, select the target cell/target RN, and send a handover command to the UE, where the handover command includes the identity of the target RN.
此外，由于DgNB可能给UE配置了多个导频，对应不同的RN，而部署了部分RRC功能的RN3只收集了部分RN的导频配置信息，或者只能控制部分的RN(如RN4，RN5)。因此，DgNB可以给RN3提供拓扑配置信息以便明确管理范围——例如RN3可以对拓扑涉及的其余RN进行直接管理，收集拓扑配置中的RN的状态信息(数据缓存状况，负载状况等)，或者在切换判决后能直接触发这些RN为UE进行承载配置。因此还包括步骤802。In addition, since DgNB may configure multiple pilots for UE, corresponding to different RNs, RN3 with partial RRC functions only collects pilot configuration information of some RNs, or can only control some RNs (such as RN4, RN5 ). Therefore, DgNB can provide RN3 with topology configuration information to clarify the scope of management—for example, RN3 can directly manage the remaining RNs involved in the topology, and collect status information of RNs in the topology configuration (data cache status, load status, etc.), or in After the handover decision, these RNs can be directly triggered to configure the bearer for the UE. Therefore, step 802 is also included.
802、RN3获取DgNB发送的拓扑配置信息。802. The RN3 obtains the topology configuration information sent by the DgNB.
拓扑配置信息包括至少一个其他RN；至少一个其他RN包括：中继网络中RN3以外的其他RN。拓扑配置信息可以是小区列表，还可以包含RN与RN之间的连接关系；所述列表里的小区可以认为属于同一个拓扑区域。RN3接收到UE的上报的测量结果后，如果小区质量好的RN不在拓扑配置信息的拓扑范围内，可以考虑从拓扑范围内选择其中小区质量好和/或满足服务质量要求的RN作为目标RN；如果拓扑区域选不到满足服务质量的区域，则触发RN3与DgNB交互，来实现跨拓扑区域的移动性管理，由DgNB为UE选取目标RN，并向UE发送切换指令。需要说明的是，拓扑配置信息和导频配置信息都是DgNB发送给RN3的，可以在一个消息里传递，也可以分两个消息传递。The topology configuration information includes at least one other RN; the at least one other RN includes: other RNs in the relay network other than RN3. The topology configuration information may be a list of cells, and may also include connection relationships between RNs; the cells in the list may be considered to belong to the same topology area. After RN3 receives the measurement results reported by the UE, if the RN with good cell quality is not within the topology range of the topology configuration information, it may consider selecting an RN with good cell quality and/or meeting the service quality requirements as the target RN within the topology range; If the topological area cannot select an area that satisfies the quality of service, the RN3 is triggered to interact with the DgNB to implement mobility management across topological areas. The DgNB selects a target RN for the UE and sends a handover instruction to the UE. It should be noted that both the topology configuration information and the pilot configuration information are sent by the DgNB to the RN3, and can be transmitted in one message or divided into two messages.
此外，当RRC功能只部署在DgNB时，由于切换判决在DgNB执行，那么DgNB需要收集各个RN的状态信息，如接入用户数和缓存状况等信息；并根据上述信息选择适当的小区作为切换目的小区。本申请中，当RN3部署了切换功能，可以执行UE的接入RN控制时，也需要收集各个RN或者上述拓扑配置信息的拓扑范围区域内RN的状态信息。因此还包括步骤803。In addition, when the RRC function is only deployed in the DgNB, since the handover decision is performed in the DgNB, the DgNB needs to collect the status information of each RN, such as the number of access users and buffer status; and select an appropriate cell as the handover purpose based on the above information district. In this application, when RN3 deploys the handover function and can perform UE access RN control, it is also necessary to collect status information of each RN or RNs within the topology range of the topology configuration information. Therefore, step 803 is also included.
803、RN3获取其他RN发送的状态信息。803. RN3 acquires status information sent by other RNs.
具体的，RN3部署了部分RRC控制面功能后，DgNB向由该RN3管理的其余RN发送一条指示信息，指示将各自的状态信息发往RN3，并提供其余RN与RN3信息交互的路由信息。这样，其余RN发送状态信息时，携带路径标识，或将目的地址设置为RN3所对应的标识；RN3在转发信息时，根据路径标识或者目的节点标识判断信息需要本地提取其他RN发送的状态信息。或者其余RN发送状态信息时，目的节点仍指示DgNB，源节点标识发送状态信息的其他RN的标识；RN3根据其他RN的标识以及步骤802中的拓扑配置信息判断本节点是否可以解析该信息，如果其他RN的标识包含在拓扑配置信息中，则解析其他RN发送的状态信息。最后，RN3根据上述的导频配置信息、拓扑配置信息以及状态信息中的一项或多项进行切换判决，并进行接入控制，具体的可以向待切换的RN5发送UE上下文建立请求(UE context setuprequest)，并在接收到RN5反馈的响应消息后，向UE发送切换命令，切换命令包含RN5的标识，UE将切换至RN5后向RN3发送切换成功消息。在切换完成后，RN3控制RN4释放UE上下文，并可能向DgNB同步UE的上下文，例如向DgNB提供UE当前的服务节点RN5，UE的移动速度等信息。Specifically, after RN3 deploys part of the RRC control plane functions, DgNB sends an instruction message to the remaining RNs managed by the RN3, instructing to send their status information to RN3, and to provide routing information for information exchange between the remaining RNs and RN3. In this way, when the other RNs send status information, they carry the path identifier, or set the destination address as the identifier corresponding to RN3; when RN3 forwards the information, it needs to locally extract the status information sent by other RNs according to the path identifier or the destination node identifier to judge the information. Or when other RNs send status information, the destination node still indicates the DgNB, and the source node identifies the identification of other RNs that send the status information; RN3 judges whether the node can parse the information according to the identification of other RNs and the topology configuration information in step 802, if The identifiers of other RNs are included in the topology configuration information, and the state information sent by other RNs is analyzed. Finally, RN3 makes a handover decision based on one or more of the above-mentioned pilot configuration information, topology configuration information, and status information, and performs access control. Specifically, it can send a UE context establishment request (UE context setuprequest), and after receiving the response message fed back by RN5, send a handover command to UE, the handover command includes the identity of RN5, and UE will handover to RN5 and then send a handover success message to RN3. After the handover is completed, RN3 controls RN4 to release the UE context, and may synchronize the UE context to the DgNB, for example, to provide the DgNB with information such as the current serving node RN5 of the UE and the moving speed of the UE.
在上述切换管理的过程中，通过RN3执行UE切换RN的管理，避免了多跳网络的切换判决和状态上报等信息均需要在DgNB执行引入的时延和信令开销。In the above handover management process, RN3 performs management of UE handover to RN, which avoids the time delay and signaling overhead introduced by DgNB for information such as handover decision and status report of multi-hop network.
上述的切换管理过程中RN3只管理特定拓扑区域内的RN，当UE在这些RN(图1所示RN3，RN4，RN5)之间移动时，测量结果的处理甚至切换判决可以由该RN3来处理。当小区质量好的RN，不在拓扑范围之内时(如RN7)，如果选择RN7作为目标RN，则需要考虑RN3和DgNB协调。In the above-mentioned handover management process, RN3 only manages RNs in a specific topological area. When UE moves between these RNs (RN3, RN4, RN5 shown in Figure 1), the processing of measurement results and even the handover decision can be handled by the RN3 . When the RN with good cell quality is not within the scope of the topology (such as RN7), if RN7 is selected as the target RN, coordination between RN3 and DgNB needs to be considered.
具体的说明如下：当RN3部署了UE的部分RRC功能(如上述RN的切换功能)后，DgNB针对该UE仍具有对应的RRC功能。对于将RN7作为切换的目标RN时，RN3根据UE的测量结果，发现切换的目标RN已经不属于RN3管理的拓扑范围，则将UE的测量结果发往DgNB。由DgNB来控制后续的处理流程，如切换判决，接入控制，RN重配等操作。其中UE与RN3之间的信息发送，RN3与DgNB之间的信息发送以及UE与DgNB之间的信息发送，参照上述的UE与RN3之间RRC信令交互的安全性方案一、二和三进行安全操作。The specific description is as follows: after RN3 deploys part of the RRC functions of the UE (such as the handover function of the RN above), the DgNB still has the corresponding RRC functions for the UE. When RN7 is used as the target RN of the handover, RN3 finds that the target RN of the handover does not belong to the topology range managed by RN3 according to the measurement result of the UE, and then sends the measurement result of the UE to the DgNB. The DgNB controls subsequent processing procedures, such as handover decision, access control, RN reconfiguration and other operations. The information transmission between UE and RN3, the information transmission between RN3 and DgNB, and the information transmission between UE and DgNB are carried out with reference to the above-mentioned security schemes 1, 2 and 3 of RRC signaling interaction between UE and RN3 safe operation.
结合UE与RN3之间RRC信令交互的安全性方案一时，RN3将测量结果经过(PDCP的)加密和完整性保护后向DgNB转发。或者，RN3在解析携带测量结果的信令之前保存了副本，该副本没有解密或完整性校验；当RN发现UE移出管理的拓扑范围时，直接将该副本发送给DgNB。结合UE与RN3之间RRC信令交互的安全性方案二时，RN向DgNB转发的测量结果不经过PDCP的加密和完整性保护，RN3向DgNB转发测量结果时，信息采用RRC信令的格式；进一步的，可以是特定的信息格式，用于RN3和DgNB间信息交互时携带UE的测量结果。结合UE与RN3之间RRC信令交互的安全性方案三时，RN3使用UE与DgNB之间信令交互的SRB，如SRB1(假如RN3与UE之间的信令交互使用SRB3)，对UE的测量结果进行处理，然后发往DgNB。或者采用按结合UE与RN3之间RRC信令交互的安全性方案二的方式进行发送。当RN3部署了UE的部分RRC功能(如上述RN的切换功能)后，DgNB针对该UE仍不再具有对应的RRC功能。对于将RN7作为切换的目标RN时，RN3和DgNB之间的信令交互可以采用现有的切换请求和切换请求响应，即切换操作看成RN3控制的切换处理。可以理解的，UE初始接入时，接入的是一个RN，即UE RRC的对等RRC实体部署在RN上。相应的，可由所述RN执行对RN3的配置。Combined with the first security scheme of RRC signaling interaction between UE and RN3, RN3 forwards the measurement results to DgNB after encryption and integrity protection (of PDCP). Or, RN3 saves a copy before parsing the signaling carrying the measurement result, and the copy has no decryption or integrity check; when RN finds that the UE moves out of the managed topology range, it directly sends the copy to DgNB. Combined with the second security scheme of RRC signaling interaction between UE and RN3, the measurement results forwarded by RN to DgNB are not encrypted and integrity protected by PDCP, and when RN3 forwards the measurement results to DgNB, the information adopts the format of RRC signaling; Further, it may be a specific information format, which is used to carry the measurement result of the UE during the information exchange between the RN3 and the DgNB. Combined with the third security scheme of RRC signaling interaction between UE and RN3, RN3 uses the SRB for signaling interaction between UE and DgNB, such as SRB1 (if SRB3 is used for signaling interaction between RN3 and UE), the UE's The measurement results are processed and then sent to the DgNB. Or send in the manner of the security scheme 2 combined with the RRC signaling interaction between the UE and the RN3. After RN3 deploys part of the RRC functions of the UE (such as the handover function of the above-mentioned RN), the DgNB still no longer has the corresponding RRC function for the UE. When RN7 is used as the target RN of the handover, the signaling interaction between RN3 and DgNB can adopt the existing handover request and handover request response, that is, the handover operation is regarded as the handover process controlled by RN3. It can be understood that when the UE initially accesses, it accesses an RN, that is, the RRC peer RRC entity of the UE is deployed on the RN. Correspondingly, the configuration of RN3 can be performed by the RN.
本申请实施例提供一种数据传输装置300，该数据传输装置300为第一通信设备或第一通信设备中的芯片。第一通信设备为中继网络的中继节点。该数据传输装置300用于执行以上数据传输方法中的第一通信设备所执行的步骤。本申请实施例提供的数据传输装置300可以包括相应步骤所对应的模块。The embodiment of the present application provides a data transmission device 300, where the data transmission device 300 is a first communication device or a chip in the first communication device. The first communication device is a relay node of the relay network. The data transmission apparatus 300 is configured to perform the steps performed by the first communication device in the above data transmission method. The data transmission device 300 provided in the embodiment of the present application may include modules corresponding to corresponding steps.
本申请实施例可以根据上述方法示例对数据传输装置300进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。本申请实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。The embodiment of the present application may divide the functional modules of the data transmission device 300 according to the above method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. The division of modules in the embodiment of the present application is schematic, and is only a logical function division, and there may be other division methods in actual implementation.
在采用对应各个功能划分各个功能模块的情况下，图16示出数据传输装置300的一种可能的结构示意图。如图18所示，数据传输装置300包括接收单元31、处理单元32和发送单元33。接收单元31用于支持该数据传输装置300执行本申请实施例中的步骤101、106、303、401、403、501、505、601、701、801、802、803；处理单元32用于支持该数据传输装置300执行本申请实施例中的步骤102，以及根据安全参数对发送的RRC信令进行加密和/或以及完整性保护或者对接收的RRC信令解密和/或以及完整性校验；发送单元33用于支持该数据传输装置300执行步骤103、201、203、402、404、502、504、506、602、702；当然，本申请实施例提供的数据传输装置300包括但不限于上述模块，例如数据传输装置300还可以包括存储单元。存储单元可以用于存储该数据传输装置300的程序代码。其中，上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。FIG. 16 shows a possible structural diagram of the data transmission device 300 in the case of dividing each functional module corresponding to each function. As shown in FIG. 18 , the data transmission device 300 includes a receiving unit 31 , a processing unit 32 and a sending unit 33 . The receiving unit 31 is used to support the data transmission device 300 to execute steps 101, 106, 303, 401, 403, 501, 505, 601, 701, 801, 802, 803 in the embodiment of the present application; the processing unit 32 is used to support the The data transmission device 300 executes step 102 in the embodiment of the present application, and performs encryption and/or integrity protection on the sent RRC signaling or decrypts and/or integrity verification on the received RRC signaling according to the security parameters; The sending unit 33 is used to support the data transmission device 300 to execute steps 103, 201, 203, 402, 404, 502, 504, 506, 602, and 702; of course, the data transmission device 300 provided in the embodiment of the present application includes but is not limited to the above-mentioned A module such as the data transmission device 300 may also include a storage unit. The storage unit can be used to store program codes of the data transmission device 300 . Wherein, all relevant content of each step involved in the above-mentioned method embodiment can be referred to the function description of the corresponding function module, and will not be repeated here.
当数据传输装置300为中继节点或中继节点上的芯片时，上述处理单元31可以是图8中的处理器81，此时处理器81支持RN执行上述实施例中的步骤102，以及根据安全参数对发送的RRC信令进行加密和/或以及完整性保护或者对接收的RRC信令解密和/或以及完整性校验；发送单元31和接收单元32可以是图8中的收发器82，此时收发器82支持RN执行上述实施例中的步骤101、106、303、401、403、501、505、601、701、801、802、803；以及步骤103、201、203、402、404、502、504、506、602、702。When the data transmission device 300 is a relay node or a chip on a relay node, the above-mentioned processing unit 31 may be the processor 81 in FIG. The security parameter encrypts and/or protects the integrity of the RRC signaling sent or decrypts and/or checks the integrity of the RRC signaling received; the sending unit 31 and the receiving unit 32 may be the transceiver 82 in FIG. 8 At this time, the transceiver 82 supports the RN to execute steps 101, 106, 303, 401, 403, 501, 505, 601, 701, 801, 802, 803 in the above embodiments; and steps 103, 201, 203, 402, 404 , 502, 504, 506, 602, 702.
当数据传输装置300运行时，该数据传输装置300执行上述实施例的数据传输方法中第一通信设备的步骤。When the data transmission apparatus 300 is running, the data transmission apparatus 300 executes the steps of the first communication device in the data transmission method of the above embodiment.
本申请另一实施例还提供一种计算机可读存储介质，该计算机可读存储介质中存储有指令，当指令在数据传输装置300上运行时，该数据传输装置300执行上述的实施例的数据传输方法中第一通信设备的步骤。Another embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores instructions, and when the instructions are run on the data transmission device 300, the data transmission device 300 executes the data transmission method of the above-mentioned embodiment. Steps of the first communication device in the transmission method.
在本申请的另一实施例中，还提供一种计算机程序产品，该计算机程序产品包括计算机执行指令，该计算机执行指令存储在计算机可读存储介质中；数据传输装置300的至少一个处理器可以从计算机可读存储介质读取该计算机执行指令，至少一个处理器执行该计算机执行指令使得数据传输装置300实施执行上述的实施例的数据传输方法中的第一通信设备的步骤。In another embodiment of the present application, a computer program product is also provided, the computer program product includes computer-executable instructions, and the computer-executable instructions are stored in a computer-readable storage medium; at least one processor of the data transmission device 300 may The computer-executable instructions are read from the computer-readable storage medium, and at least one processor executes the computer-executable instructions so that the data transmission apparatus 300 implements the steps of the first communication device in the data transmission method of the above-mentioned embodiments.
本申请实施例提供一种数据传输装置400，该数据传输装置400可以为宿主基站或所述宿主基站中的芯片。该数据传输装置400用于执行以上数据传输方法中的宿主基站所执行的步骤。本申请实施例提供的数据传输装置400可以包括相应步骤所对应的模块。The embodiment of the present application provides a data transmission device 400, and the data transmission device 400 may be a donor base station or a chip in the donor base station. The data transmission apparatus 400 is configured to execute the steps performed by the donor base station in the above data transmission method. The data transmission device 400 provided in the embodiment of the present application may include modules corresponding to corresponding steps.
本申请实施例可以根据上述方法示例对数据传输装置400进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。本申请实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。The embodiment of the present application may divide the functional modules of the data transmission device 400 according to the above method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. The division of modules in the embodiment of the present application is schematic, and is only a logical function division, and there may be other division methods in actual implementation.
在采用对应各个功能划分各个功能模块的情况下，图17示出了本实施例中数据传输装置400的一种可能的结构示意图。如图17所示，数据传输装置400包括发送单元41和接收单元42。发送单元41用于指示数据传输装置400执行本申请实施例中的步骤101、104、106、401、403、501、503、601、603、701、703、801、802；接收单元42用于支持该数据传输装置400执行本申请实施例中的步骤103、105、402、404、502、506、602、702。其中，上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。当然，本申请实施例提供的数据传输装置400包括但不限于上述模块，例如数据传输装置400还可以包括存储单元。存储单元可以用于存储该数据传输装置400的程序代码和数据。In the case of dividing each functional module corresponding to each function, FIG. 17 shows a possible structural diagram of the data transmission device 400 in this embodiment. As shown in FIG. 17 , the data transmission device 400 includes a sending unit 41 and a receiving unit 42 . The sending unit 41 is used to instruct the data transmission device 400 to execute steps 101, 104, 106, 401, 403, 501, 503, 601, 603, 701, 703, 801, 802 in the embodiment of the present application; the receiving unit 42 is used to support The data transmission device 400 executes steps 103, 105, 402, 404, 502, 506, 602, and 702 in the embodiments of the present application. Wherein, all relevant content of each step involved in the above-mentioned method embodiment can be referred to the function description of the corresponding function module, and will not be repeated here. Certainly, the data transmission device 400 provided in the embodiment of the present application includes but is not limited to the above-mentioned modules, for example, the data transmission device 400 may further include a storage unit. The storage unit can be used to store program codes and data of the data transmission device 400 .
上述发送单元41和接收单元42可以是图9中的收发器92，此时收发器92支持DgNB执行上述实施例中的步骤101、104、106、401、403、501、503、601、603、701、703、801、802；以及上述实施例中的步骤103、105、402、404、502、506、602、702。The above-mentioned sending unit 41 and receiving unit 42 may be the transceiver 92 in FIG. 701, 703, 801, 802; and steps 103, 105, 402, 404, 502, 506, 602, 702 in the foregoing embodiments.
本申请另一实施例还提供一种计算机可读存储介质，该计算机可读存储介质包括一个或多个程序代码，该一个或多个程序包括指令，当数据传输装置400中的处理器在执行该程序代码时，该数据传输装置400执行上述实施例提供的数据传输方法。Another embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium includes one or more program codes, and the one or more programs include instructions, when the processor in the data transmission device 400 is executing When the program code is used, the data transmission device 400 executes the data transmission method provided by the above-mentioned embodiments.
在本申请的另一实施例中，还提供一种计算机程序产品，该计算机程序产品包括计算机执行指令，该计算机执行指令存储在计算机可读存储介质中；数据传输装置400的至少一个处理器可以从计算机可读存储介质读取该计算机执行指令，至少一个处理器执行该计算机执行指令使得数据传输装置400实施执行上述实施例提供的数据传输方法中的宿主基站的步骤。In another embodiment of the present application, a computer program product is also provided, the computer program product includes computer-executable instructions, and the computer-executable instructions are stored in a computer-readable storage medium; at least one processor of the data transmission device 400 may The computer-executable instructions are read from the computer-readable storage medium, and at least one processor executes the computer-executable instructions so that the data transmission device 400 implements the steps of the donor base station in the data transmission method provided by the above-mentioned embodiments.
本申请实施例提供一种数据传输装置400，该数据传输装置400可以为宿主基站或所述宿主基站中的芯片。该数据传输装置400用于执行以上数据传输方法中的宿主基站所执行的步骤。本申请实施例提供的数据传输装置400可以包括相应步骤所对应的模块。The embodiment of the present application provides a data transmission device 400, and the data transmission device 400 may be a donor base station or a chip in the donor base station. The data transmission apparatus 400 is configured to execute the steps performed by the donor base station in the above data transmission method. The data transmission device 400 provided in the embodiment of the present application may include modules corresponding to corresponding steps.
本申请实施例可以根据上述方法示例对数据传输装置400进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。本申请实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。The embodiment of the present application may divide the functional modules of the data transmission device 400 according to the above method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. The division of modules in the embodiment of the present application is schematic, and is only a logical function division, and there may be other division methods in actual implementation.
在采用对应各个功能划分各个功能模块的情况下，图18示出了本实施例中数据传输装置400的一种可能的结构示意图。如图18所示，数据传输装置500包括获取单元51、接收单元52、处理单元53和发送单元54。获取单元51用于指示数据传输装置400执行本申请实施例中步骤202、301和/或用于本文所描述的技术的其它过程；接收单元52用于支持该数据传输装置400执行本申请实施例中步骤104、201、203、504、603、703。处理单元53用于支持该数据传输装置400执行上述实施例中根据安全参数对发送的RRC信令进行加密和/或以及完整性保护或者对接收的RRC信令解密和/或以及完整性校验。发送单元54用于支持该数据传输装置400执行上述实施例中步骤105、302、505。其中，本申请方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。当然，本申请实施例提供的数据传输装置500包括但不限于上述模块，例如数据传输装置500还可以包括存储单元。存储单元可以用于存储该数据传输装置500的程序代码和数据。In the case of dividing each functional module corresponding to each function, FIG. 18 shows a possible structural diagram of the data transmission device 400 in this embodiment. As shown in FIG. 18 , the data transmission device 500 includes an acquiring unit 51 , a receiving unit 52 , a processing unit 53 and a sending unit 54 . The obtaining unit 51 is used to instruct the data transmission device 400 to execute steps 202 and 301 in the embodiment of the present application and/or other processes for the technology described herein; the receiving unit 52 is used to support the data transmission device 400 to execute the embodiment of the present application In steps 104, 201, 203, 504, 603, 703. The processing unit 53 is configured to support the data transmission device 400 to perform encryption and/or integrity protection on the sent RRC signaling or decryption and/or integrity verification on the received RRC signaling according to the security parameters in the above embodiments. . The sending unit 54 is configured to support the data transmission device 400 to execute steps 105, 302, and 505 in the above-mentioned embodiments. Wherein, all relevant content of each step involved in the method embodiment of the present application can be referred to the function description of the corresponding functional module, and will not be repeated here. Certainly, the data transmission device 500 provided in the embodiment of the present application includes but is not limited to the above-mentioned modules, for example, the data transmission device 500 may further include a storage unit. The storage unit can be used to store program codes and data of the data transmission device 500 .
上述获取单元51和处理单元53可以是图7中的处理器701，此时处理器701支持UE执行本申请实施例中的步骤202、301以及根据安全参数对发送的RRC信令进行加密和/或以及完整性保护或者对接收的RRC信令解密和/或以及完整性校验；发送单元41和接收单元42可以是图9中的射频电路702，射频电路702支持UE执行上述实施例中的步骤104、201、203、504、603、703以及105、302、505。The acquisition unit 51 and the processing unit 53 mentioned above may be the processor 701 in FIG. 7, and at this time, the processor 701 supports the UE in performing steps 202 and 301 in the embodiment of the present application and encrypting and/or encrypting the sent RRC signaling according to the security parameters Or and integrity protection or decrypting and/or integrity verification of the received RRC signaling; the sending unit 41 and the receiving unit 42 may be the radio frequency circuit 702 in FIG. 9, and the radio frequency circuit 702 supports the UE to perform the Steps 104, 201, 203, 504, 603, 703 and 105, 302, 505.
本申请另一实施例还提供一种计算机可读存储介质，该计算机可读存储介质包括一个或多个程序代码，该一个或多个程序包括指令，当数据传输装置500中的处理器在执行该程序代码时，该数据传输装置500执行上述实施例提供的数据传输方法。Another embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium includes one or more program codes, and the one or more programs include instructions, when the processor in the data transmission device 500 is executing When the program code is used, the data transmission device 500 executes the data transmission method provided in the foregoing embodiments.
在本申请的另一实施例中，还提供一种计算机程序产品，该计算机程序产品包括计算机执行指令，该计算机执行指令存储在计算机可读存储介质中；数据传输装置500的至少一个处理器可以从计算机可读存储介质读取该计算机执行指令，至少一个处理器执行该计算机执行指令使得数据传输装置500实施执行上述实施例提供的数据传输方法中的宿主基站的步骤。In another embodiment of the present application, a computer program product is also provided, the computer program product includes computer-executable instructions, and the computer-executable instructions are stored in a computer-readable storage medium; at least one processor of the data transmission device 500 may The computer-executable instructions are read from the computer-readable storage medium, and at least one processor executes the computer-executable instructions so that the data transmission device 500 implements the steps of the donor base station in the data transmission method provided by the above-mentioned embodiments.
在上述实施例中，可以全部或部分的通过软件，硬件，固件或者其任意组合来实现。当使用软件程序实现时，可以全部或部分地以计算机程序产品的形式出现。计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时，全部或部分地产生按照本申请实施例的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心传输。计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包括一个或多个可用介质集成的服务器、数据中心等数据终端设备。该可用介质可以是磁性介质，(例如，软盘，硬盘、磁带)、光介质(例如，DVD)或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。In the above embodiments, all or part of the implementation may be implemented by software, hardware, firmware or any combination thereof. When implemented using a software program, it may appear in whole or in part in the form of a computer program product. A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part. A computer can be a general purpose computer, special purpose computer, computer network, or other programmable device. Computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, e.g. coaxial cable, optical fiber, digital subscriber line (DSL)) or wirelessly (eg infrared, wireless, microwave, etc.) to another website site, computer, server or data center. A computer-readable storage medium may be any available medium that can be accessed by a computer or a data terminal device including a server, a data center, and the like integrated with one or more available media. The available medium may be a magnetic medium (for example, a floppy disk, a hard disk, or a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a Solid State Disk (SSD)).
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成，即将装置的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。Through the description of the above embodiments, those skilled in the art can clearly understand that for the convenience and brevity of the description, only the division of the above-mentioned functional modules is used as an example for illustration. In practical applications, the above-mentioned functions can be allocated according to needs It is completed by different functional modules, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above.
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个装置，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be Incorporation or may be integrated into another device, or some features may be omitted, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是一个物理单元或多个物理单元，即可以位于一个地方，或者也可以分布到多个不同地方。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。The unit described as a separate component may or may not be physically separated, and the component displayed as a unit may be one physical unit or multiple physical units, that is, it may be located in one place, or may be distributed to multiple different places . Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个可读取存储介质中。基于这样的理解，本申请实施例的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该软件产品存储在一个存储介质中，包括若干指令用以使得一个设备(可以是单片机，芯片等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何在本申请揭露的技术范围内的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the software product is stored in a storage medium Among them, several instructions are included to make a device (which may be a single-chip microcomputer, a chip, etc.) or a processor (processor) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other various media that can store program codes. . The above is only a specific implementation of the application, but the protection scope of the application is not limited thereto, and any changes or replacements within the technical scope disclosed in the application should be covered within the protection scope of the application . Therefore, the protection scope of the present application should be determined by the protection scope of the claims.
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。The above is only a specific implementation of the application, but the scope of protection of the application is not limited thereto. Anyone familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the application. Should be covered within the protection scope of this application. Therefore, the protection scope of the present application should be determined by the protection scope of the claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333204.5ACN110381608B (en) | 2018-04-13 | 2018-04-13 | Method and device for data transmission in relay network |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333204.5ACN110381608B (en) | 2018-04-13 | 2018-04-13 | Method and device for data transmission in relay network |
| Publication Number | Publication Date |
|---|---|
| CN110381608Atrue CN110381608A (en) | 2019-10-25 |
| CN110381608B CN110381608B (en) | 2021-06-15 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333204.5AActiveCN110381608B (en) | 2018-04-13 | 2018-04-13 | Method and device for data transmission in relay network |
| Country | Link |
|---|---|
| CN (1) | CN110381608B (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021087924A1 (en)* | 2019-11-07 | 2021-05-14 | 华为技术有限公司 | Communication method and device |
| CN114245388A (en)* | 2021-11-11 | 2022-03-25 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Integrated system and method for integrating 5G access and self-organizing network access |
| WO2022141424A1 (en)* | 2020-12-31 | 2022-07-07 | Lenovo (Beijing) Limited | Relaying information using one or more relays |
| EP4064748A4 (en)* | 2019-12-13 | 2022-11-16 | Huawei Technologies Co., Ltd. | Communication method, apparatus and system |
| CN116026371A (en)* | 2023-03-30 | 2023-04-28 | 中国船舶集团有限公司第七〇七研究所 | OAM mode-based fiber optic gyroscope ring performance detection method and system |
| WO2023087924A1 (en)* | 2021-11-17 | 2023-05-25 | 华为技术有限公司 | Communication method, apparatus and system |
| CN116325907A (en)* | 2020-10-21 | 2023-06-23 | 富士通株式会社 | IAB node transplantation method and device |
| WO2023197235A1 (en)* | 2022-04-14 | 2023-10-19 | Zte Corporation | Systems and methods for on/off status control for network nodes |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500229A (en)* | 2008-01-30 | 2009-08-05 | 华为技术有限公司 | Method for establishing security association and communication network system |
| CN101873662A (en)* | 2009-04-27 | 2010-10-27 | 华为技术有限公司 | Routing method, device and system for multi-hop relay network |
| CN101931953A (en)* | 2010-09-20 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for generating safety key bound with device |
| US20170086081A1 (en)* | 2015-09-23 | 2017-03-23 | Electronics And Telecommunications Research Institute | Operation methods of communication node supporting direct communications in network |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500229A (en)* | 2008-01-30 | 2009-08-05 | 华为技术有限公司 | Method for establishing security association and communication network system |
| CN101873662A (en)* | 2009-04-27 | 2010-10-27 | 华为技术有限公司 | Routing method, device and system for multi-hop relay network |
| CN101931953A (en)* | 2010-09-20 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for generating safety key bound with device |
| US20170086081A1 (en)* | 2015-09-23 | 2017-03-23 | Electronics And Telecommunications Research Institute | Operation methods of communication node supporting direct communications in network |
| Title |
|---|
| PANASONIC: "Discussion on the various types of Relays", 《3GPP TSG RAN WG1 MEETING #54：R1-082397》* |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021087924A1 (en)* | 2019-11-07 | 2021-05-14 | 华为技术有限公司 | Communication method and device |
| US12232103B2 (en) | 2019-11-07 | 2025-02-18 | Huawei Technologies Co., Ltd. | Communication method of transmitting a control plane message for an interface between a radio backhaul device and a radio access device through another radio access device |
| EP4064748A4 (en)* | 2019-12-13 | 2022-11-16 | Huawei Technologies Co., Ltd. | Communication method, apparatus and system |
| CN116325907A (en)* | 2020-10-21 | 2023-06-23 | 富士通株式会社 | IAB node transplantation method and device |
| WO2022141424A1 (en)* | 2020-12-31 | 2022-07-07 | Lenovo (Beijing) Limited | Relaying information using one or more relays |
| CN114245388A (en)* | 2021-11-11 | 2022-03-25 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Integrated system and method for integrating 5G access and self-organizing network access |
| WO2023087924A1 (en)* | 2021-11-17 | 2023-05-25 | 华为技术有限公司 | Communication method, apparatus and system |
| WO2023197235A1 (en)* | 2022-04-14 | 2023-10-19 | Zte Corporation | Systems and methods for on/off status control for network nodes |
| CN116026371A (en)* | 2023-03-30 | 2023-04-28 | 中国船舶集团有限公司第七〇七研究所 | OAM mode-based fiber optic gyroscope ring performance detection method and system |
| CN116026371B (en)* | 2023-03-30 | 2023-06-09 | 中国船舶集团有限公司第七〇七研究所 | OAM mode-based fiber optic gyroscope ring performance detection method and system |
| Publication number | Publication date |
|---|---|
| CN110381608B (en) | 2021-06-15 |
| Publication | Publication Date | Title |
|---|---|---|
| US11463937B2 (en) | Data transmission method and apparatus | |
| CN110381608B (en) | Method and device for data transmission in relay network | |
| US11770865B2 (en) | Relay communication method and relay communications apparatus and system | |
| JP7449309B2 (en) | Enabling uplink routing to support multi-connectivity in a converged access backhaul network | |
| KR102490841B1 (en) | Setting up and configuring the adaptive layer in a unified access backhauled network | |
| KR101944097B1 (en) | Method and apparatus for supporting security for separation of cu-cp and cu-up in wireless communication system | |
| CN108633018B (en) | Configuration method, device and system | |
| EP4124115A1 (en) | Mobile communication system, relay node, and base station | |
| EP4192103A1 (en) | Iab node configuration method and communication device | |
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| KR20230010716A (en) | Preservation of cell group addition/change configuration upon handover | |
| US9344922B2 (en) | Radio communication system and base station | |
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| CN117255384A (en) | Relay communication method, device and terminal | |
| EP4336782A1 (en) | Communication method, apparatus, and system | |
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| CN116963204A (en) | A communication method and device |
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