CN115665887A - Connection establishing method, device, equipment and storage medium - Google Patents
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及无线通信领域，尤其涉及一种连接建立方法、装置、设备及存储介质。The present invention relates to the field of wireless communication, in particular to a connection establishment method, device, equipment and storage medium.
背景技术Background technique
802.11be系统，也称为极高吞吐量(EHT，Extremely High Throughput)系统，通过一系列系统特性和多种机制增强功能以实现极高的吞吐量。随着无线局域网(WLAN)的使用持续增长，对于在许多环境(例如家庭，企业和热点)中提供无线数据服务越来越重要。特别是，视频流量将继续是许多WLAN部署中的主要流量类型。由于出现了4k和8k视频(20Gbps的未压缩速率)，这些应用的吞吐量要求正在不断发展。诸如虚拟现实或增强现实、游戏、远程办公室和云计算之类的新型高吞吐量，低延迟应用程序将会激增(例如，实时游戏的延迟低于5毫秒)。The 802.11be system, also known as an Extremely High Throughput (EHT) system, enhances functions through a series of system features and various mechanisms to achieve extremely high throughput. As the use of wireless local area networks (WLANs) continues to grow, it is increasingly important to provide wireless data services in many environments such as homes, businesses and hotspots. In particular, video traffic will continue to be the dominant traffic type in many WLAN deployments. Throughput requirements for these applications are evolving due to the advent of 4k and 8k video (20Gbps uncompressed). New high-throughput, low-latency applications such as virtual or augmented reality, gaming, remote offices, and cloud computing will proliferate (e.g., real-time gaming with sub-5ms latency).
鉴于这些应用程序的高吞吐量和严格的实时延迟要求，用户期望通过WLAN支持其应用程序时，吞吐量更高，可靠性更高，延迟和抖动更少，电源效率更高。802.11be系统旨在通过进一步提高总吞吐量和降低延迟来确保WLAN的竞争力，同时确保与旧版技术标准向后兼容和共存。在2.4GHz，5GHz和6GHz频段运行的802.11兼容设备。Given the high throughput and stringent real-time latency requirements of these applications, users expect higher throughput, higher reliability, less latency and jitter, and better power efficiency when supporting their applications over WLAN. The 802.11be system is designed to ensure the competitiveness of WLANs by further increasing overall throughput and reducing latency, while ensuring backward compatibility and coexistence with older technical standards. 802.11 compliant devices operating on the 2.4GHz, 5GHz and 6GHz bands.
发明内容Contents of the invention
多链路接入点设备可以灵活地在不同频段上进行多条链路设置逻辑接入点，例如，在初始开机后仅在2.4GHz和5GHz频段上设置逻辑接入点，后来接入的设备变多了，新增一个逻辑接入点操作在6GHz频段，又如在运行过程中发现2.4GHz上干扰较大，新增6GHz频段上操作的逻辑接入点。然而现有技术中未能支持多链路接入点设备的动态增加，如果按照传统的单链路设备启动过程，那么多链路终端搜索到的仅仅是一个新的接入点，由于终端只能连接到一个接入点，因此多链路终端将无法为自己新增一条可用的链路，从而限制了多链路终端的能力。有鉴于此，本发明提供一种连接建立方法、装置、设备及存储介质。The multi-link access point device can flexibly set up multiple links on different frequency bands. There are many changes, add a logical access point operating in the 6GHz frequency band, and if it is found that the interference on 2.4GHz is relatively large during operation, add a logical access point operating in the 6GHz frequency band. However, the existing technology fails to support the dynamic addition of multi-link access point devices. If the traditional single-link device startup process is followed, what the multi-link terminal searches is only a new access point. can connect to an access point, so the multi-link terminal will not be able to add an available link for itself, thus limiting the capabilities of the multi-link terminal. In view of this, the present invention provides a connection establishment method, device, equipment and storage medium.
第一方面，本发明提供一种连接建立方法，包括：In a first aspect, the present invention provides a method for establishing a connection, including:
接收第一设备发送的第一连接请求消息，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的至少一者；receiving a first connection request message sent by the first device, where the first connection request message includes at least one of an identifier of the first device and an indication of whether to add a link to the connected device;
根据所述第一连接请求消息判断是否与第一设备已建立连接；judging whether a connection has been established with the first device according to the first connection request message;
发送第一连接响应消息给第一设备，所述第一连接响应消息中包含是否同意建立连接的指示和连接标识；Sending a first connection response message to the first device, where the first connection response message includes an indication of whether to agree to establish a connection and a connection identifier;
如果与第一设备已建立连接，则将第一连接响应消息中连接标识的值设置为已分配给第一设备的连接标识的值；如果与第一设备未建立连接，则为第一设备分配新的连接标识，并将第一连接响应消息中连接标识的值设置为所述新的连接标识的值。If a connection has been established with the first device, the value of the connection identifier in the first connection response message is set to the value of the connection identifier assigned to the first device; if no connection is established with the first device, the first device is assigned a new connection identifier, and set the value of the connection identifier in the first connection response message as the value of the new connection identifier.
一种可能的实现方式中，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的第一设备的标识；In a possible implementation manner, the first connection request message includes the identifier of the first device and the identifier of the first device in the indication of whether to add a link for the connected device;
所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：The judging whether a connection has been established with the first device according to the first connection request message includes:
如果本地已建立连接的设备的信息包含第一设备的标识，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接。If the information of the locally connected device includes the identifier of the first device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device.
一种可能的实现方式中，当所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的是否为已连接的设备新增链路的指示时，所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：In a possible implementation manner, when the first connection request message includes the identifier of the first device and the indication of whether to add a link for the connected device in the indication of whether to add a link for the connected device , the determining whether a connection has been established with the first device according to the first connection request message includes:
如果所述第一连接请求消息中指示为已连接的设备新增链路，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接；If the first connection request message indicates that a new link has been added for the connected device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device;
当所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示时，所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：When the first connection request message includes the identifier of the first device and an indication of whether a new link is added for the connected device, the judging whether a connection has been established with the first device according to the first connection request message includes :
如果所述第一连接请求消息中指示为已连接的设备新增链路，则判断为与第一设备已建立连接；否则，检查本地已建立连接的设备的信息是否包含第一设备的标识；If the first connection request message indicates that a new link is added for the connected device, it is determined that a connection has been established with the first device; otherwise, checking whether the information of the locally connected device includes the identifier of the first device;
如果本地已建立连接的设备的信息包含第一设备的标识，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接。If the information of the locally connected device includes the identifier of the first device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device.
一种可能的实现方式中，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示，且当所述第一连接请求消息中包含第一设备的连接标识时，指示为已连接的设备新增链路；In a possible implementation manner, the first connection request message includes an identifier of the first device and an indication of whether a new link is added for the connected device, and when the first connection request message includes the first device When the connection identifier of the device is connected, it indicates that a new link is added for the connected device;
所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：The judging whether a connection has been established with the first device according to the first connection request message includes:
如果所述第一连接请求消息中包含第一设备的连接标识，则判断为与第一设备已建立连接；否则，检查本地已建立连接的设备的信息是否包含第一设备的标识；If the first connection request message includes the connection identifier of the first device, it is determined that a connection has been established with the first device; otherwise, checking whether the information of the locally connected device includes the identifier of the first device;
如果本地已建立连接的设备的信息包含第一设备的标识，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接。If the information of the locally connected device includes the identifier of the first device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device.
一种可能的实现方式中，所述第一设备的标识包含第一设备的地址或第一设备的连接标识。In a possible implementation manner, the identifier of the first device includes an address of the first device or a connection identifier of the first device.
一种可能的实现方式中，所述第一连接请求消息中还指示请求建立连接的第一链路和与第一链路互为NSTR链路对的链路；In a possible implementation manner, the first connection request message further indicates the first link requesting to establish a connection and a link that is an NSTR link pair with the first link;
如果所述第一连接请求消息中指示第一链路与第二链路互为NSTR链路对，则在第一链路和第二链路上发送数据给第一设备时，在两条链路上同时结束数据发送，或者在第一链路上接收数据时，在第二链路上不发送数据，或者在第二链路上接收数据时，在第一链路上不发送数据。If the first connection request message indicates that the first link and the second link are NSTR link pairs, when sending data to the first device on the first link and the second link, the two links Data transmission ends at the same time on the road, or when receiving data on the first link, no data is sent on the second link, or when data is received on the second link, no data is sent on the first link.
一种可能的实现方式中，在所述接收第一设备发送的第一连接请求消息之前，还包括：In a possible implementation manner, before receiving the first connection request message sent by the first device, the method further includes:
在第二链路上发送广播消息，所述广播消息中包含相邻接入点所属的设备与发送广播消息的设备是相同设备的指示和相邻接入点所在的链路的标识，且相邻接入点所在的链路的标识设置为指示第一链路，用于第一设备获知新增了第一链路；Send a broadcast message on the second link, where the broadcast message includes an indication that the device to which the adjacent access point belongs and the device that sends the broadcast message are the same device and the identifier of the link where the adjacent access point is located, and The identifier of the link where the adjacent access point is located is set to indicate the first link, which is used for the first device to learn that the first link has been added;
在第一链路上接收第一设备发送的第一连接请求消息，并在第一链路上发送第一连接响应消息给第一设备。Receive a first connection request message sent by the first device on the first link, and send a first connection response message to the first device on the first link.
一种可能的实现方式中，在所述接收第一设备发送的第一连接请求消息之前，还包括：In a possible implementation manner, before receiving the first connection request message sent by the first device, the method further includes:
接收第二设备发送的第二连接请求消息，所述第二连接请求消息中指示请求建立连接的第二链路，所述第二设备与所述第一设备是相同设备或不同设备；receiving a second connection request message sent by a second device, where the second connection request message indicates a second link requesting to establish a connection, and the second device is the same device or a different device from the first device;
为第二设备分配连接标识；assigning a connection identifier to the second device;
发送第二连接响应消息给第二设备，所述第二连接响应消息中包含是否同意建立连接的指示和为第二设备分配的连接标识；Sending a second connection response message to the second device, where the second connection response message includes an indication of whether to agree to establish a connection and a connection identifier assigned to the second device;
保存与第二设备已建立连接的信息，所述与第二设备已建立连接的信息包括与第二设备建立连接的链路的标识和为第二设备分配的连接标识。The information of the established connection with the second device is stored, and the information of the established connection with the second device includes the identifier of the link establishing the connection with the second device and the connection identifier allocated for the second device.
一种可能的实现方式中，所述第二设备与所述第一设备是相同设备；在第二链路上接收第二设备发送的第二连接请求消息，并在第二链路上发送第二连接响应消息给第二设备；在第一链路上接收第一设备发送的第一连接请求消息，并在第一链路上发送第一连接响应消息给第一设备。In a possible implementation manner, the second device is the same device as the first device; the second connection request message sent by the second device is received on the second link, and the second connection request message is sent on the second link. Send a connection response message to the second device; receive the first connection request message sent by the first device on the first link, and send the first connection response message to the first device on the first link.
一种可能的实现方式中，所述第二连接请求消息中还指示与第二链路互为NSTR链路对的链路；所述与第二设备已建立连接的信息还包括第二设备中互为NSTR链路对的链路信息。In a possible implementation manner, the second connection request message also indicates that the second link is a link of an NSTR link pair; the information about the established connection with the second device also includes They are the link information of the NSTR link pair.
第二方面，本发明提供一种连接建立方法，包括：In a second aspect, the present invention provides a method for establishing a connection, including:
发送第一连接请求消息给多链路接入点设备，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的至少一者，用于多链路接入点设备判断是否与第一设备已建立连接；Sending a first connection request message to the multi-link access point device, where the first connection request message includes at least one of the identifier of the first device and an indication of whether a new link is added for the connected device, for The multi-link access point device determines whether a connection has been established with the first device;
接收多链路接入点设备发送的第一连接响应消息，所述第一连接响应消息中包含是否同意建立连接的指示和连接标识。Receive a first connection response message sent by the multi-link access point device, where the first connection response message includes an indication of whether to agree to establish a connection and a connection identifier.
一种可能的实现方式中，所述第一设备的标识包含第一设备的地址或第一设备的连接标识；或者，当所述第一连接请求消息中包含第一设备的连接标识时，指示为已连接的设备新增链路。In a possible implementation manner, the identifier of the first device includes the address of the first device or the connection identifier of the first device; or, when the first connection request message includes the connection identifier of the first device, indicate Add a link to a connected device.
一种可能的实现方式中，所述第一连接请求消息中还指示请求建立连接的第一链路和与第一链路互为NSTR链路对的链路；In a possible implementation manner, the first connection request message further indicates the first link requesting to establish a connection and a link that is an NSTR link pair with the first link;
如果所述第一连接请求消息中指示第一链路与第二链路互为NSTR链路对，则在第一链路和第二链路上发送数据给多链路接入点设备时，在两条链路上同时开始数据发送，或者在第一链路上发送数据时，在第二链路上不接收数据，或者在第二链路上发送数据时，在第一链路上不接收数据。If the first connection request message indicates that the first link and the second link are NSTR link pairs, when sending data to the multi-link access point device on the first link and the second link, Start data transmission on both links at the same time, or when data is transmitted on the first link, no data is received on the second link, or when data is transmitted on the second link, no data is received on the first link Receive data.
一种可能的实现方式中，在所述发送第一连接请求消息给多链路接入点设备之前，还包括：In a possible implementation manner, before sending the first connection request message to the multi-link access point device, the method further includes:
在第二链路上读取多链路接入点设备发送的广播消息，所述广播消息中包含相邻接入点所属的设备与发送广播消息的设备是相同设备的指示和相邻接入点所在的链路的标识，且相邻接入点所在的链路的标识设置为指示第一链路；根据所述广播消息获知多链路接入点设备新增了第一链路；Read the broadcast message sent by the multi-link access point device on the second link, and the broadcast message includes the indication that the device to which the adjacent access point belongs is the same device as the device that sent the broadcast message and the neighbor access The identification of the link where the point is located, and the identification of the link where the adjacent access point is located is set to indicate the first link; according to the broadcast message, it is learned that the multi-link access point device has added a first link;
在第一链路上发送第一连接请求消息给多链路接入点设备，并在第一链路上接收多链路接入点设备发送的第一连接响应消息。Send a first connection request message to the multi-link access point device on the first link, and receive a first connection response message sent by the multi-link access point device on the first link.
一种可能的实现方式中，在所述发送第一连接请求消息给多链路接入点设备之前，还包括：In a possible implementation manner, before sending the first connection request message to the multi-link access point device, the method further includes:
在第二链路上发送第二连接请求消息给多链路接入点设备，所述第二连接请求消息中指示请求建立连接的第二链路；Sending a second connection request message to the multi-link access point device on the second link, where the second connection request message indicates a second link requesting to establish a connection;
在第二链路上接收多链路接入点设备发送的第二连接响应消息，所述第二连接响应消息中包含是否同意建立连接的指示和连接标识；Receive a second connection response message sent by the multi-link access point device on the second link, where the second connection response message includes an indication of whether to agree to establish a connection and a connection identifier;
保存与多链路接入点设备已建立连接的信息，所述与多链路接入点设备已建立连接的信息包括与多链路接入点设备建立连接的链路的标识和所述第二连接响应消息中的连接标识；Save the information of the established connection with the multi-link access point device, the information of the established connection with the multi-link access point device includes the identifier of the link establishing the connection with the multi-link access point device and the first 2. The connection identifier in the connection response message;
在第一链路上发送第一连接请求消息给多链路接入点设备，并在第一链路上接收多链路接入点设备发送的第一连接响应消息。Send a first connection request message to the multi-link access point device on the first link, and receive a first connection response message sent by the multi-link access point device on the first link.
一种可能的实现方式中，所述第二连接请求消息中还指示与第二链路互为NSTR链路对的链路。In a possible implementation manner, the second connection request message further indicates that the link and the second link are NSTR link pairs.
第三方面，本发明提供一种连接建立装置，包括连接建立模块，所述连接建立模块用于执行以下步骤：In a third aspect, the present invention provides a connection establishment device, including a connection establishment module, and the connection establishment module is configured to perform the following steps:
接收第一设备发送的第一连接请求消息，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的至少一者；receiving a first connection request message sent by the first device, where the first connection request message includes at least one of an identifier of the first device and an indication of whether to add a link to the connected device;
根据所述第一连接请求消息判断是否与第一设备已建立连接；judging whether a connection has been established with the first device according to the first connection request message;
发送第一连接响应消息给第一设备，所述第一连接响应消息中包含是否同意建立连接的指示和连接标识，如果与第一设备已建立连接，则将所述第一连接响应消息中连接标识的值设置为已分配给第一设备的连接标识的值；如果与第一设备未建立连接，则为第一设备分配新的连接标识，并将所述第一连接响应消息中连接标识的值设置为所述新的连接标识的值。Send a first connection response message to the first device, where the first connection response message includes an indication of whether to agree to establish a connection and a connection identifier, and if a connection has been established with the first device, connect the first connection response message to The value of the identification is set to the value of the connection identification assigned to the first device; if no connection is established with the first device, a new connection identification is assigned to the first device, and the connection identification in the first connection response message value is set to the value of the new connection ID.
第四方面，本发明提供一种连接建立装置，包括连接建立模块，所述连接建立模块用于执行以下步骤：In a fourth aspect, the present invention provides a connection establishment device, including a connection establishment module, and the connection establishment module is configured to perform the following steps:
发送第一连接请求消息给多链路接入点设备，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的至少一者，用于多链路接入点设备判断是否与第一设备已建立连接；Sending a first connection request message to the multi-link access point device, where the first connection request message includes at least one of the identifier of the first device and an indication of whether a new link is added for the connected device, for The multi-link access point device determines whether a connection has been established with the first device;
接收多链路接入点设备发送的第一连接响应消息，所述第一连接响应消息中包含是否同意建立连接的指示和连接标识。Receive a first connection response message sent by the multi-link access point device, where the first connection response message includes an indication of whether to agree to establish a connection and a connection identifier.
第五方面，本发明提供一种电子设备，包括存储器、处理器及存储在存储器上的计算机程序，所述处理器执行所述计算机程序以实现第一方面或第二方面所述的方法。In a fifth aspect, the present invention provides an electronic device, including a memory, a processor, and a computer program stored on the memory, and the processor executes the computer program to implement the method described in the first aspect or the second aspect.
第六方面，本发明提供一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现第一方面或第二方面所述的方法。In a sixth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method described in the first aspect or the second aspect is implemented.
第七方面，本发明提供一种计算机程序产品，包括计算机可读代码，或者承载有计算机可读代码的非易失性计算机可读存储介质，当所述计算机可读代码在电子设备中运行时，所述电子设备中的处理器执行第一方面或第二方面所述的方法。In a seventh aspect, the present invention provides a computer program product, including computer-readable codes, or a non-volatile computer-readable storage medium carrying computer-readable codes, when the computer-readable codes are run in an electronic device , the processor in the electronic device executes the method described in the first aspect or the second aspect.
需要说明的是，第三方面所述的装置用于执行上述第一方面提供的方法，第四方面所述的装置用于执行上述第二方面提供的方法，第五方面所述的电子设备、第六方面所述的存储介质和第七方面所述的计算机程序产品用于执行上述第一方面或第二方面提供的方法，因此可以达到与第一方面或第二方面所述的方法相同的有益效果，本发明不再一一赘述。It should be noted that the device described in the third aspect is used to execute the method provided in the first aspect above, the device described in the fourth aspect is used to execute the method provided in the second aspect above, the electronic equipment described in the fifth aspect, The storage medium described in the sixth aspect and the computer program product described in the seventh aspect are used to execute the method provided in the first aspect or the second aspect, so the same effect as the method described in the first aspect or the second aspect can be achieved. Beneficial effects, the present invention will not repeat them one by one.
本发明通过在连接请求设备发送给连接响应设备的连接请求消息中包含相应参数，使得连接响应设备可根据连接请求消息判断是否与连接请求设备已建立连接，如果判断为与连接请求设备已建立连接，则发送给连接请求设备的连接响应消息中连接标识的值设置为已分配给该连接请求设备的连接标识的值，保证了分配的连接标识的一致性，当连接响应设备(如多链路接入点设备)新配置一条链路时，连接请求设备(如多链路终端)可以主动或被动获得连接响应设备的重配置信息，使得连接请求设备可以根据接入连接响应设备的配置变化，选择对自身更有利的链路配置方式，以提高无线资源的利用率，提高数据传输速率和降低业务延迟。The present invention includes corresponding parameters in the connection request message sent by the connection requesting device to the connection responding device, so that the connection responding device can judge whether a connection has been established with the connection requesting device according to the connection request message, and if it is judged that a connection has been established with the connection requesting device , then the value of the connection identifier in the connection response message sent to the connection requesting device is set to the value of the connection identifier assigned to the connection requesting device, which ensures the consistency of the assigned connection identifier. When the connection responding device (such as a multi-link Access point device) when a new link is configured, the connection requesting device (such as a multi-link terminal) can actively or passively obtain the reconfiguration information of the connection responding device, so that the connection requesting device can change according to the configuration of the access connection responding device, Choose a link configuration method that is more beneficial to itself to improve the utilization of wireless resources, increase data transmission rates and reduce service delays.
附图说明Description of drawings
图1为本发明实施例提供的一种通信系统的结构示意图；FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present invention;
图2为本发明实施例提供的一种连接建立方法流程图；FIG. 2 is a flowchart of a method for establishing a connection provided by an embodiment of the present invention;
图3为本发明实施例提供的一种电子设备的结构示意图。FIG. 3 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本发明中的技术方案，下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。虽然本发明中公开内容按照示范性一个或几个实例来介绍，但应理解，可以就这些公开内容的各个方面也可以单独构成一个完整技术方案。在不冲突的情况下，下述的实施例及实施例中的特征可以相互组合。In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present invention. rather than all examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Although the disclosures in the present invention are introduced according to one or several exemplary examples, it should be understood that each aspect of these disclosures can also independently constitute a complete technical solution. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
在本发明实施例中，“至少一者”是指一个或者多个，“多个”是指两个或两个以上。为了便于清楚描述本发明实施例的技术方案，在本发明的实施例中，采用了“第一”、“第二”等字样对功能和作用基本相同的相同项或相似项进行区分，本领域技术人员可以理解，“第一”、“第二”等字样并不对数量和执行次序进行限定，其仅作示意与区分描述对象之用，没有次序之分，也不表示本发明实施例中对设备或消息个数的特别限定，不能构成对本发明实施例的任何限制。术语“包括”用于指出其后所声明的特征的存在，但并不排除增加其它的特征。In the embodiments of the present invention, "at least one" means one or more, and "multiple" means two or more. In order to clearly describe the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same or similar items with basically the same functions and functions. Those skilled in the art can understand that words such as "first" and "second" do not limit the number and execution order, they are only used to illustrate and distinguish the description objects, there is no order, and it does not mean that the embodiment of the present invention The special limitation on the number of devices or messages cannot constitute any limitation on the embodiment of the present invention. The term "comprising" is used to indicate the presence of the subsequently stated features, but does not exclude the addition of other features.
首先，对本发明所涉及的多链路技术进行简单说明，在多链路场景下，通常一个物理设备可以包括多个逻辑实体，这里的物理设备可以指手机、电视、投影仪等设备，逻辑实体可以指物理设备中的逻辑单元，属于虚拟功能模块。每个逻辑实体都可以独立的管理数据发送和接收，且每个逻辑实体独立工作在一条链路上，这样的物理设备称为多链路设备(ALL-link device，MLD)。First, a brief description of the multi-link technology involved in the present invention is given. In a multi-link scenario, usually a physical device can include multiple logical entities. The physical device here can refer to devices such as mobile phones, TVs, and projectors. It can refer to a logical unit in a physical device and belongs to a virtual function module. Each logical entity can independently manage data sending and receiving, and each logical entity independently works on a link. Such a physical device is called a multi-link device (ALL-link device, MLD).
图1为本发明实施例提供的一种通信系统的结构示意图。如图1所示，通信系统包括多链路终端STA MLD1和多链路接入点设备AP MLD1，其中，多链路终端STA MLD1包含三个逻辑终端STA1、STA2和STA3，多链路接入点设备AP MLD1包含三个逻辑接入点AP1、AP2和AP3，在开机运行后设置AP1操作在2.4GHz频段，设置链路标识为“1”，即操作在链路link 1上，AP2操作在5GHz频段，设置链路标识为“2”，即操作在链路link 2上，AP3不运行。FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present invention. As shown in Figure 1, the communication system includes a multi-link terminal STA MLD1 and a multi-link access point device AP MLD1, wherein the multi-link terminal STA MLD1 includes three logical terminals STA1, STA2 and STA3, and the multi-link access The point device AP MLD1 includes three logical access points AP1, AP2 and AP3. After starting up and running, set AP1 to operate in the 2.4GHz frequency band, set the link ID to "1", that is, operate on link 1, and AP2 operate on In the 5GHz frequency band, set the link ID to "2", that is, the operation is on the link link 2, and AP3 does not operate.
应理解，图1仅为通信系统的一个架构示意图，本发明实施例中对通信系统中设备的数量、类型等不作限定，如可包含更多个终端或接入点，多链路终端和多链路接入点设备可包含两个或四个以上的逻辑实体，多链路终端和多链路接入点设备包含的逻辑实体数量可不同。此外，本领域的技术人员将理解，依照本文描述的原理和功能，根据本申请的术语“接入点(AP)”还可以用于描述能够在网络架构内接收和传送无线信号的接入端口或任何其他接入点，因此，接入点的使用仅是示例性的。It should be understood that FIG. 1 is only a schematic structural diagram of a communication system, and the number and types of devices in the communication system are not limited in the embodiment of the present invention, for example, more terminals or access points, multi-link terminals and multi-link terminals may be included. The link access point device may include two or more than four logical entities, and the number of logical entities included in the multi-link terminal and the multi-link access point device may be different. In addition, those skilled in the art will understand that according to the principles and functions described herein, the term "access point (AP)" according to the present application can also be used to describe an access port capable of receiving and transmitting wireless signals within the network architecture or any other access point, therefore, the use of an access point is exemplary only.
继续参阅图1，多链路终端STA MLD1与多链路接入点设备AP MLD1建立连接，其中STA1与AP1相连接，它们之间的链路标识为“1”；STA2与AP2相连接，它们之间的链路标识为“2”。多链路终端STA MLD1与多链路接入点设备AP MLD1建立连接的方法可参考相关现有技术。以下示例性地给出一种多链路终端STA MLD1与多链路接入点设备AP MLD1建立连接的方法，具体包括：Continuing to refer to Figure 1, the multi-link terminal STA MLD1 establishes a connection with the multi-link access point device AP MLD1, wherein STA1 is connected to AP1, and the link identifier between them is "1"; STA2 is connected to AP2, and they The link between them is identified as "2". For a method for establishing a connection between the multi-link terminal STA MLD1 and the multi-link access point device AP MLD1 , reference may be made to related prior art. The following exemplarily provides a method for establishing a connection between the multi-link terminal STA MLD1 and the multi-link access point device AP MLD1, specifically including:
101、STA MLD1通过STA1发送连接请求消息(如association request消息)给APMLD1的AP1，消息中包含Multi link element信息元，Multi link element信息元中可包含以下参数：101. STA MLD1 sends a connection request message (such as an association request message) to AP1 of APMLD1 through STA1. The message includes a Multi link element information element, and the Multi link element information element may include the following parameters:
MLD MAC address：多链路设备的地址，本实施例设置为STA MLD1的地址；MLD MAC address: the address of the multi-link device, which is set to the address of STA MLD1 in this embodiment;
STA 1info：请求建立连接的逻辑终端的信息，本实施例为STA1的信息；STA1info: information about the logical terminal requesting to establish a connection, this embodiment is the information of STA1;
STA 2info：请求建立连接的逻辑终端的信息，本实施例为STA2的信息。STA 2info: information about the logical terminal requesting to establish a connection, which is the information of STA2 in this embodiment.
其中，STA 1info包含以下参数：Among them, STA 1info contains the following parameters:
link ID：链路的标识，本实施例设置为“1”，指示请求在链路link1上建立连接；link ID: the identification of the link, which is set to "1" in this embodiment, indicating that a connection is requested to be established on the link link1;
NSTR pair indication：与link ID指示的链路互为NSTR链路对的链路的标识，本实施例设置为“0”，表示没有NSTR链路对。NSTR pair indication: the identifier of a link that is an NSTR link pair with the link indicated by the link ID, which is set to "0" in this embodiment, indicating that there is no NSTR link pair.
STA 2info包含以下参数：STA 2info contains the following parameters:
link ID：链路的标识，本实施例设置为“2”，指示请求在链路link2上建立连接；link ID: the identification of the link, which is set to "2" in this embodiment, indicating that a connection is requested to be established on the link link2;
NSTR pair indication：与link ID指示的链路互为NSTR链路对的链路的标识，本实施例设置为“0”，表示没有NSTR链路对。NSTR pair indication: the identifier of a link that is an NSTR link pair with the link indicated by the link ID, which is set to "0" in this embodiment, indicating that there is no NSTR link pair.
其中，如果两条链路互为NSTR链路对，则在这两条链路中的一条链路上发送数据时，在另一条链路上不能接收数据；或者，在这两条链路中的一条链路上接收数据时，在另一条链路上不能发送数据。Among them, if the two links are NSTR link pairs, when data is sent on one of the two links, data cannot be received on the other link; or, in the two links When data is received on one link, no data can be sent on the other link.
102、AP MLD1通过AP1接收到连接请求消息后，如果同意在链路link1和链路link2上与STA MLD1建立连接，则通过AP1在链路link1上发送连接响应消息(如associationresponse消息)给STA1，或者通过AP2在链路link2上发送连接响应消息给STA2，消息中指示同意建立连接，同时在连接响应消息中还包含AP MLD1为STA MLD1分配的连接标识AID；如果不同意STA MLD1的连接请求，则通过AP1发送连接响应消息给STA1，消息中指示不同意建立连接。本发明实施例假设AP MLD1同意建立连接。102. After AP MLD1 receives the connection request message through AP1, if it agrees to establish a connection with STA MLD1 on link link1 and link link2, it sends a connection response message (such as an associationresponse message) to STA1 on link link1 through AP1, Or send a connection response message to STA2 on the link link2 through AP2, indicating that the message agrees to establish a connection, and the connection response message also includes the connection identifier AID assigned by AP MLD1 to STA MLD1; if the connection request of STA MLD1 is not agreed, Then, AP1 sends a connection response message to STA1, and the message indicates that it does not agree to establish the connection. The embodiment of the present invention assumes that AP MLD1 agrees to establish a connection.
AP MLD1保存与STA MLD1已建立连接的信息，信息包括与STA MLD1建立连接的链路的标识，用于指示在哪些链路上与STA MLD1建立连接，及为STA MLD1分配的连接标识等。AP MLD1 saves the information of the established connection with STA MLD1, the information includes the identification of the link establishing the connection with STA MLD1, which is used to indicate on which links the connection is established with STA MLD1, and the connection identification assigned to STA MLD1, etc.
103、STA MLD1接收到连接响应消息后，如果消息中指示同意建立连接，则表示多链路终端STA MLD1与多链路接入点设备AP MLD1建立起连接，STA MLD1保存与AP MLD1已建立连接的信息，信息包括与AP MLD1建立连接的链路的标识，用于指示在哪些链路上与APMLD1建立连接，及接收到的连接响应消息中的连接标识等。STA MLD1根据接收到的逻辑接入点的信息进行数据传输。103. After STA MLD1 receives the connection response message, if the message indicates that it agrees to establish a connection, it means that the multi-link terminal STA MLD1 has established a connection with the multi-link access point device AP MLD1, and STA MLD1 saves the established connection with AP MLD1 The information includes the identification of the link establishing the connection with AP MLD1, which is used to indicate on which link the connection is established with APMLD1, and the connection identification in the received connection response message. STA MLD1 performs data transmission according to the received logical access point information.
AP MLD1在运行一段时间后，检测到连接到该设备的终端数量较多，或终端的业务数据量较大时，决定将AP3启用，并将其在6GHz频段上操作，操作链路标识为“3”，即操作在链路link 3上，由于操作在5GHz频段上的链路link 2与操作在6GHz频段上的链路link 3比较接近，因此当两个频段上使用的信道边缘比较接近时，就可能会产生干扰，因此不能在一条链路发送数据的时候，另外一条链路接收数据，即链路link 2和链路link 3互为NSTR链路对。After AP MLD1 has been running for a period of time, it detects that there are a large number of terminals connected to the device, or when the terminal has a large amount of business data, it decides to enable AP3 and operate it in the 6GHz frequency band. The operation link is identified as " 3", that is, operating on the link link 3, since the link link 2 operating on the 5GHz frequency band is relatively close to the link link 3 operating on the 6GHz frequency band, so when the channel edges used on the two frequency bands are relatively close , it may cause interference, so when one link sends data, another link cannot receive data, that is, link link 2 and link link 3 are NSTR link pairs.
AP MLD1在启用AP3以后，可通过AP3发送广播消息。可选地，AP MLD1还可分别在AP1和AP2的广播消息(如beacon消息，或probe response消息)中包含相邻接入点信息元，该信息元中可包含以下参数：AP MLD1 can send broadcast messages through AP3 after enabling AP3. Optionally, AP MLD1 can also include adjacent access point information elements in broadcast messages (such as beacon messages, or probe response messages) of AP1 and AP2 respectively, and the following parameters can be included in this information element:
MLD ID：多链路设备的标识，本实施例设置为“0”，表示相邻接入点所属的设备与发送广播消息的接入点所属的设备是相同设备；MLD ID: the identifier of the multi-link device, which is set to "0" in this embodiment, indicating that the device to which the adjacent access point belongs is the same device as the device to which the access point that sends the broadcast message belongs;
Link ID：相邻接入点所在的链路的标识，本实施例设置为“3”；Link ID: the identification of the link where the adjacent access point is located, which is set to "3" in this embodiment;
TBTT offset：相邻接入点与当前接入点发送广播消息的时间差。TBTT offset: The time difference between the adjacent access point and the current access point sending broadcast messages.
STA MLD1通过STA1接收AP1发送的广播消息或者通过STA2接收AP2发送的广播消息或者通过STA3接收AP3发送的广播消息，通过读取广播消息获知AP MLD1新增了一条链路link 3，根据自身策略决定是否请求建立新的链路连接，例如，如果自身业务需要更高的传输速率，或更低的传输延迟，或自身是否还有空闲未使用的逻辑终端。如果STA MLD1决定不与AP MLD1在其新启用的链路上建立连接，则STA MLD1不请求在链路link 3上建立连接；如果STA MLD1决定与AP MLD1在其新启用的链路上建立连接，则STA MLD1请求在链路link 3上建立连接。STA MLD1 receives the broadcast message sent by AP1 through STA1, or receives the broadcast message sent by AP2 through STA2, or receives the broadcast message sent by AP3 through STA3. After reading the broadcast message, it knows that AP MLD1 has added a link link 3, and decides according to its own policy. Whether to request to establish a new link connection, for example, if its own business requires a higher transmission rate, or lower transmission delay, or whether it has idle and unused logical terminals. If STA MLD1 decides not to establish a connection with AP MLD1 on its newly enabled link, STA MLD1 does not request to establish a connection on link link 3; if STA MLD1 decides to establish a connection with AP MLD1 on its newly enabled link , then STA MLD1 requests to establish a connection on link link 3.
本发明实施例假设STA MLD1决定通过之前未与AP MLD1连接的逻辑终端STA3在新链路上与AP3建立连接，则STA MLD1请求在链路link 3上建立连接的方法包括以下内容，如图2所示。In the embodiment of the present invention, it is assumed that STA MLD1 decides to establish a connection with AP3 on a new link through a logical terminal STA3 that has not been connected to AP MLD1 before, then the method for STA MLD1 to request to establish a connection on link link 3 includes the following content, as shown in Figure 2 shown.
201、STA MLD1通过逻辑终端STA3发送连接请求消息(如association request或reassociation request消息)给隶属于AP MLD1的逻辑接入点AP3，连接请求消息包含Multi link element信息元，该信息元可包含以下参数：201. STA MLD1 sends a connection request message (such as association request or reassociation request message) to logical access point AP3 belonging to AP MLD1 through logical terminal STA3. The connection request message includes a Multi link element information element, which may include the following parameters :
MLD MAC address：多链路设备的标识，如多链路设备的地址或连接标识，本实施例设置为STA MLD1的地址；MLD MAC address: the identifier of the multilink device, such as the address or connection identifier of the multilink device, this embodiment is set to the address of STA MLD1;
STA info：请求建立连接的逻辑终端的信息，本实施例为STA3的信息。STA info: information of the logical terminal requesting to establish a connection, this embodiment is the information of STA3.
其中，STA info可包含以下参数：Among them, STA info can contain the following parameters:
link ID：链路的标识，本实施例设置为“3”，指示请求在链路link3上建立连接；link ID: the identification of the link, which is set to "3" in this embodiment, indicating that a connection is requested to be established on the link link3;
NSTR pair indication：与link ID指示的链路互为NSTR链路对的链路的标识，本实施例设置为“2”，表示与链路link2为NSTR链路对。NSTR pair indication: the identifier of a link that is an NSTR link pair with the link indicated by the link ID, and is set to "2" in this embodiment, indicating that it is an NSTR link pair with the link link2.
202、AP MLD1根据接收到的连接请求消息判断是否与STA MLD1已建立连接。202. The AP MLD1 determines whether a connection has been established with the STA MLD1 according to the received connection request message.
具体地，AP MLD1接收到的连接请求消息后，检查本地已建立连接的终端的信息是否包含连接请求消息中参数MLD MAC address的值，如果包含，则判断为与STA MLD1已建立连接；如果不包含，则判断为与STA MLD1未建立连接。Specifically, after AP MLD1 receives the connection request message, it checks whether the terminal information of the locally established connection includes the value of the parameter MLD MAC address in the connection request message, and if it contains, it is judged to have established a connection with STA MLD1; If it contains, it is determined that no connection has been established with STA MLD1.
203、AP MLD1通过逻辑接入点AP3发送连接响应消息给隶属于STA MLD1的逻辑终端STA3，消息中包含是否同意建立连接的指示和连接标识。AP MLD1根据步骤202中的判断结果设置连接响应消息。203. AP MLD1 sends a connection response message to logical terminal STA3 belonging to STA MLD1 through logical access point AP3, and the message includes an indication of whether to agree to establish a connection and a connection identifier. AP MLD1 sets a connection response message according to the judgment result in step 202 .
如果步骤202中判断为与STA MLD1已建立连接，且同意在链路link3上与STA MLD1建立连接，则设置参数status code值为SUCCESS，表示同意建立连接，为STA3分配连接标识AID3，AID3的值设置为步骤102中AP MLD1为STA MLD1分配的连接标识AID的值，发送连接响应消息(如association response或reassociation response消息)给STA MLD1，消息中包含参数status code和AID3。If it is determined in step 202 that a connection has been established with STA MLD1, and it is agreed to establish a connection with STA MLD1 on the link link3, then the value of the parameter status code is set to SUCCESS, indicating that it agrees to establish a connection, and the connection identifier AID3 is assigned to STA3, the value of AID3 Set to the value of the connection identifier AID that AP MLD1 distributes for STA MLD1 in step 102, and send a connection response message (such as association response or reassociation response message) to STA MLD1, including parameters status code and AID3 in the message.
如果步骤202中判断为与STA MLD1未建立连接，且同意在链路link3上与STA MLD1建立连接，则设置参数status code值为SUCCESS，表示同意建立连接，为STA3分配连接标识AID3，AID3的值设置为新分配的值，该值设置为与AP MLD1为已建立连接的终端分配的连接标识不同的值，发送连接响应消息(如association response或reassociation response消息)给STA MLD1，消息中包含参数status code和AID3。If it is judged in step 202 that no connection has been established with STA MLD1, and it is agreed to establish a connection with STA MLD1 on the link link3, then the value of the parameter status code is set to SUCCESS, indicating that it agrees to establish a connection, and the connection identifier AID3 is assigned to STA3, the value of AID3 Set to a newly assigned value, which is set to a value different from the connection identifier assigned by AP MLD1 to a terminal that has established a connection, and sends a connection response message (such as association response or reassociation response message) to STA MLD1, and the message contains the parameter status code and AID3.
如果步骤202中判断为与STA MLD1已建立连接，且不同意在链路link3上与STAMLD1建立连接，则设置参数status code值为Refuse_link，表示不同意在该链路上建立连接，发送连接响应消息给STA MLD1，消息中包含参数status code。If it is determined in step 202 that a connection has been established with STA MLD1, and it is not agreed to establish a connection with STAMLD1 on link link3, then the value of the parameter status code is Refuse_link, indicating that it does not agree to establish a connection on this link, and a connection response message is sent For STA MLD1, the message contains the parameter status code.
如果步骤202中判断为与STA MLD1已建立连接，且不同意在链路link3上与STAMLD1建立连接，则设置参数status code值为Refuse_BSS，表示不同意在该接入点上建立连接，发送连接响应消息给STA MLD1，消息中包含参数status code。If it is determined in step 202 that a connection has been established with STA MLD1, and it is not agreed to establish a connection with STAMLD1 on the link link3, then set the parameter status code value as Refuse_BSS, indicating that it does not agree to establish a connection on the access point, and send a connection response The message is sent to STA MLD1, and the message contains the parameter status code.
STA MLD1接收到连接响应消息后，如果消息中status code值为SUCCESS，则STAMLD1和AP MLD1在链路link3上已建立连接，则修改连接信息为：STA MLD1与AP MLD1在链路link1、链路link2和链路link3上已建立连接；如果消息中status code值为Refuse_link，则保持STA MLD1和AP MLD1的连接信息为：STA MLD1与AP MLD1在链路link1和链路link2上已建立连接；如果消息中status code值为Refuse_BSS，则STA MLD1和AP MLD1之间为未连接状态。After STA MLD1 receives the connection response message, if the status code value in the message is SUCCESS, then STAMLD1 and AP MLD1 have established a connection on link link3, then modify the connection information as follows: STA MLD1 and AP MLD1 are on link link1, link The connection between link2 and link3 has been established; if the status code value in the message is Refuse_link, the connection information between STA MLD1 and AP MLD1 is maintained as follows: STA MLD1 and AP MLD1 have established connections on link1 and link2; if If the status code value in the message is Refuse_BSS, the STA MLD1 and AP MLD1 are not connected.
在一些实施例中，如果步骤201中连接请求消息包含参数NSTR pair indication，且该参数的值指示链路link3与链路link2为NSTR链路对，则STA MLD1在链路link2和链路link3上发送数据给AP MLD1时，在两条链路上同时开始数据发送，或者在链路link2上发送数据时，在链路link3上不接收数据，或者在链路link3上发送数据时，在链路link2上不接收数据；AP MLD1在链路link2和链路link3上发送数据给STA MLD1时，在两条链路上同时结束数据发送，或者在链路link2上接收数据时，在链路link3上不发送数据，或者在链路link3上接收数据时，在链路link2上不发送数据。In some embodiments, if the connection request message in step 201 includes the parameter NSTR pair indication, and the value of this parameter indicates that link link3 and link link2 are an NSTR link pair, then STA MLD1 is on link link2 and link link3 When sending data to AP MLD1, start sending data on both links at the same time, or when sending data on link link2, do not receive data on link link3, or when sending data on link link3, on link No data is received on link2; when AP MLD1 sends data to STA MLD1 on link2 and link3, it ends data transmission on both links at the same time, or when receiving data on link2, it ends on link3 No data is sent, or when data is received on link link3, no data is sent on link link2.
在一些实施例中，步骤201中连接请求消息包含的参数STA info可包含以下参数：In some embodiments, the parameter STA info included in the connection request message in step 201 may include the following parameters:
link ID：链路的标识，本实施例设置为“3”，指示请求在链路link3上建立连接；link ID: the identification of the link, which is set to "3" in this embodiment, indicating that a connection is requested to be established on the link link3;
NSTR pair indication：与link ID指示的链路互为NSTR链路对的链路的标识，本实施例设置为“2”，表示与链路link2为NSTR链路对；NSTR pair indication: The link indicated by the link ID is the identifier of the link that is the NSTR link pair. In this embodiment, it is set to "2", indicating that the link link2 is the NSTR link pair;
AID：终端的连接标识，在连接请求消息中包含该参数，表示为已连接的终端新增链路的请求，本实施例设置为步骤102中AP MLD1为STA MLD1分配的连接标识的值。AID: the connection identifier of the terminal, which is included in the connection request message, and represents a request for a new link for the connected terminal. In this embodiment, it is set to the value of the connection identifier assigned by AP MLD1 to STA MLD1 in step 102.
AP MLD1接收到的连接请求消息后，如果连接请求消息中包含参数AID，则判断该请求是用于已连接的终端新增连接链路的请求，即判断为与STA MLD1已建立连接，如果同意请求，则设置参数status code值为SUCCESS，AP MLD1更新与STA MLD1的连接信息，如果不同意请求，则设置参数status code的值为Refuse_link，发送连接响应消息给STA MLD1，消息中包含参数status code。如果连接请求消息中不包含参数AID，则执行上述步骤202-203。After AP MLD1 receives the connection request message, if the connection request message contains the parameter AID, it is judged that the request is a request for a new connection link for the connected terminal, that is, it is judged that a connection has been established with STA MLD1, and if it is agreed Request, then set the parameter status code value to SUCCESS, AP MLD1 updates the connection information with STA MLD1, if the request is not agreed, then set the parameter status code value to Refuse_link, and send a connection response message to STA MLD1, the message contains the parameter status code . If the parameter AID is not included in the connection request message, the above steps 202-203 are performed.
在其他一些实施例中，步骤201中连接请求消息中可不包含参数MLD MACaddress，且其包含的参数STA info可包含以下参数：In some other embodiments, the connection request message in step 201 may not include the parameter MLD MACaddress, and the parameter STA info included therein may include the following parameters:
link ID：链路的标识，本实施例设置为“3”，指示请求在链路link3上建立连接；link ID: the identification of the link, which is set to "3" in this embodiment, indicating that a connection is requested to be established on the link link3;
New link indication：是否为已连接的终端新增链路，如设置为“0”，指示不是为已连接的终端新增链路，设置为“1”，指示为已连接的终端新增链路，本实施例设置为“1”。New link indication: Whether to add a new link for the connected terminal, if it is set to "0", it indicates that it is not a new link for the connected terminal, if it is set to "1", it indicates that it is a new link for the connected terminal , which is set to "1" in this embodiment.
AP MLD1接收到的连接请求消息后，如果参数New link indication的值为“1”，则判断为与STA MLD1已建立连接，如果同意请求，则设置参数status code值为SUCCESS，APMLD1更新与STA MLD1的连接信息，如果不同意请求，则设置参数status code的值为Refuse_link，发送连接响应消息给STA MLD1，消息中包含参数status code。如果参数Newlink indication的值为“0”，则判断为与STA MLD1未建立连接，如果同意请求，则设置参数status code值为SUCCESS，AP MLD1更新与STA MLD1的连接信息，如果不同意请求，则设置参数status code的值为Refuse_BSS，发送连接响应消息给STA MLD1，消息中包含参数status code。After AP MLD1 receives the connection request message, if the value of the parameter New link indication is "1", it is judged that the connection with STA MLD1 has been established. If the request is agreed, the parameter status code value is set to SUCCESS, and APMLD1 updates and STA MLD1 If you do not agree with the request, set the value of the parameter status code to Refuse_link, and send a connection response message to STA MLD1, and the message includes the parameter status code. If the value of the parameter Newlink indication is "0", it is judged that no connection has been established with STA MLD1. If the request is agreed, the parameter status code value is set to SUCCESS, and AP MLD1 updates the connection information with STA MLD1. If the request is not agreed, then Set the value of the parameter status code to Refuse_BSS, and send a connection response message to STA MLD1, and the message includes the parameter status code.
在其他一些实施例中，步骤201中连接请求消息中包含参数MLD MAC address，且其包含的参数STA info包含以下参数：In some other embodiments, the connection request message in step 201 includes the parameter MLD MAC address, and the parameter STA info included in it includes the following parameters:
link ID：链路的标识，本实施例设置为“3”，指示请求在链路link3上建立连接；link ID: the identification of the link, which is set to "3" in this embodiment, indicating that a connection is requested to be established on the link link3;
New link indication：是否为已连接的终端新增链路，如设置为“0”，指示不是为已连接的终端新增链路，设置为“1”，指示为已连接的终端新增链路，本实施例设置为“1”。New link indication: Whether to add a new link for the connected terminal, if it is set to "0", it indicates that it is not a new link for the connected terminal, if it is set to "1", it indicates that it is a new link for the connected terminal , which is set to "1" in this embodiment.
AP MLD1接收到的连接请求消息后，如果参数New link indication的值为“1”，则判断为与STA MLD1已建立连接，如果同意请求，则设置参数status code值为SUCCESS，APMLD1更新与STA MLD1的连接信息，如果不同意请求，则设置参数status code的值为Refuse_link，发送连接响应消息给STA MLD1，消息中包含参数status code。如果参数Newlink indication的值为“0”，则执行上述步骤202-203。After AP MLD1 receives the connection request message, if the value of the parameter New link indication is "1", it is judged that a connection has been established with STA MLD1. If the request is accepted, the parameter status code value is set to SUCCESS, and APMLD1 updates the connection with STA MLD1. If you do not agree with the request, set the value of the parameter status code to Refuse_link, and send a connection response message to STA MLD1, and the message includes the parameter status code. If the value of the parameter Newlink indication is "0", the above steps 202-203 are executed.
在一些实施例中，如果在步骤201中，STA MLD1发送给AP MLD1的连接请求消息中的源地址设置为STA MLD1的地址，则该连接请求消息中可不包含参数MLDMAC address，APMLD1可直接根据连接请求消息中的源地址判断是否与STA MLD1已建立连接。In some embodiments, if in step 201, the source address in the connection request message sent by STA MLD1 to AP MLD1 is set to the address of STA MLD1, then the connection request message may not contain the parameter MLDMAC address, and APMLD1 may directly connect The source address in the request message determines whether a connection has been established with STA MLD1.
需要说明的是，在图1所示的通信系统中，如果还包括其他的终端，如多链路终端STA MLD2和单链路终端STA6，多链路终端STA MLD2包括两个逻辑终端STA4和STA5，则在APMLD1启用AP3以后，多链路终端STA MLD2和/或单链路终端STA6也可以请求与AP MLD1在链路link3上建立连接，其请求建立的过程可参考上述步骤101-103或步骤201-203，这里不再详细介绍。It should be noted that, in the communication system shown in FIG. 1, if other terminals are also included, such as the multi-link terminal STA MLD2 and the single-link terminal STA6, the multi-link terminal STA MLD2 includes two logical terminals STA4 and STA5 , then after APMLD1 activates AP3, multi-link terminal STA MLD2 and/or single-link terminal STA6 can also request to establish a connection with AP MLD1 on link link3, and the process of requesting establishment can refer to the above steps 101-103 or steps 201-203, which will not be introduced in detail here.
本发明实施例还提供一种连接建立装置，包括连接建立模块，所述连接建立模块用于执行以下步骤：The embodiment of the present invention also provides a connection establishment device, including a connection establishment module, and the connection establishment module is configured to perform the following steps:
接收第一设备发送的第一连接请求消息，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的至少一者；receiving a first connection request message sent by the first device, where the first connection request message includes at least one of an identifier of the first device and an indication of whether to add a link to the connected device;
根据所述第一连接请求消息判断是否与第一设备已建立连接；judging whether a connection has been established with the first device according to the first connection request message;
发送第一连接响应消息给第一设备，所述第一连接响应消息中包含是否同意建立连接的指示和连接标识；如果与第一设备已建立连接，则将第一连接响应消息中连接标识的值设置为已分配给第一设备的连接标识的值；如果与第一设备未建立连接，则为第一设备分配新的连接标识，并将第一连接响应消息中连接标识的值设置为所述新的连接标识的值。Sending a first connection response message to the first device, the first connection response message including an indication of whether to agree to establish a connection and a connection identifier; if a connection has been established with the first device, the connection identifier in the first connection response message The value is set to the value of the connection identifier assigned to the first device; if no connection is established with the first device, a new connection identifier is assigned to the first device, and the value of the connection identifier in the first connection response message is set to the value Describe the value of the new connection ID.
可选地，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的第一设备的标识；Optionally, the first connection request message includes the identifier of the first device and the identifier of the first device in the indication of whether to add a link for the connected device;
所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：The judging whether a connection has been established with the first device according to the first connection request message includes:
如果本地已建立连接的设备的信息包含第一设备的标识，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接。If the information of the locally connected device includes the identifier of the first device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device.
可选地，当所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的是否为已连接的设备新增链路的指示时，所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：Optionally, when the first connection request message includes the identifier of the first device and the indication of whether to add a link for the connected device in the indication of whether to add a link for the connected device, the Judging whether a connection has been established with the first device according to the first connection request message includes:
如果所述第一连接请求消息中指示为已连接的设备新增链路，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接；If the first connection request message indicates that a new link has been added for the connected device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device;
当所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示时，所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：When the first connection request message includes the identifier of the first device and an indication of whether a new link is added for the connected device, the judging whether a connection has been established with the first device according to the first connection request message includes :
如果所述第一连接请求消息中指示为已连接的设备新增链路，则判断为与第一设备已建立连接；否则，检查本地已建立连接的设备的信息是否包含第一设备的标识；If the first connection request message indicates that a new link is added for the connected device, it is determined that a connection has been established with the first device; otherwise, checking whether the information of the locally connected device includes the identifier of the first device;
如果本地已建立连接的设备的信息包含第一设备的标识，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接。If the information of the locally connected device includes the identifier of the first device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device.
可选地，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示，且当所述第一连接请求消息中包含第一设备的连接标识时，指示为已连接的设备新增链路；Optionally, the first connection request message includes the identifier of the first device and an indication of whether to add a new link for the connected device, and when the first connection request message includes the connection identifier of the first device , indicating to add a new link for the connected device;
所述根据所述第一连接请求消息判断是否与第一设备已建立连接包括：The judging whether a connection has been established with the first device according to the first connection request message includes:
如果所述第一连接请求消息中包含第一设备的连接标识，则判断为与第一设备已建立连接；否则，检查本地已建立连接的设备的信息是否包含第一设备的标识；If the first connection request message includes the connection identifier of the first device, it is determined that a connection has been established with the first device; otherwise, checking whether the information of the locally connected device includes the identifier of the first device;
如果本地已建立连接的设备的信息包含第一设备的标识，则判断为与第一设备已建立连接；否则，判断为与第一设备未建立连接。If the information of the locally connected device includes the identifier of the first device, it is determined that a connection has been established with the first device; otherwise, it is determined that a connection has not been established with the first device.
可选地，所述第一连接请求消息中还指示请求建立连接的第一链路和与第一链路互为NSTR链路对的链路；所述连接建立模块还用于执行以下步骤：Optionally, the first connection request message also indicates the first link that requests to establish a connection and the link that is an NSTR link pair with the first link; the connection establishment module is also used to perform the following steps:
如果所述第一连接请求消息中指示第一链路与第二链路互为NSTR链路对，则在第一链路和第二链路上发送数据给第一设备时，在两条链路上同时结束数据发送，或者在第一链路上接收数据时，在第二链路上不发送数据，或者在第二链路上接收数据时，在第一链路上不发送数据。If the first connection request message indicates that the first link and the second link are NSTR link pairs, when sending data to the first device on the first link and the second link, the two links Data transmission ends at the same time on the road, or when receiving data on the first link, no data is sent on the second link, or when data is received on the second link, no data is sent on the first link.
可选地，所述连接建立模块还用于执行以下步骤：Optionally, the connection establishment module is also configured to perform the following steps:
在第二链路上发送广播消息，所述广播消息中包含相邻接入点所属的设备与发送广播消息的设备是相同设备的指示和相邻接入点所在的链路的标识，且相邻接入点所在的链路的标识设置为指示第一链路，用于第一设备获知新增了第一链路；Send a broadcast message on the second link, where the broadcast message includes an indication that the device to which the adjacent access point belongs and the device that sends the broadcast message are the same device and the identifier of the link where the adjacent access point is located, and The identifier of the link where the adjacent access point is located is set to indicate the first link, which is used for the first device to learn that the first link has been added;
所述连接建立模块在第一链路上接收第一设备发送的第一连接请求消息，并在第一链路上发送第一连接响应消息给第一设备。The connection establishment module receives a first connection request message sent by the first device on the first link, and sends a first connection response message to the first device on the first link.
可选地，所述连接建立模块还用于执行以下步骤：Optionally, the connection establishment module is also configured to perform the following steps:
接收第二设备发送的第二连接请求消息，所述第二连接请求消息中指示请求建立连接的第二链路，所述第二设备与所述第一设备是相同设备或不同设备；receiving a second connection request message sent by a second device, where the second connection request message indicates a second link requesting to establish a connection, and the second device is the same device or a different device from the first device;
为第二设备分配连接标识；assigning a connection identifier to the second device;
发送第二连接响应消息给第二设备，所述第二连接响应消息中包含是否同意建立连接的指示和为第二设备分配的连接标识；Sending a second connection response message to the second device, where the second connection response message includes an indication of whether to agree to establish a connection and a connection identifier assigned to the second device;
保存与第二设备已建立连接的信息，所述与第二设备已建立连接的信息包括与第二设备建立连接的链路的标识和为第二设备分配的连接标识。The information of the established connection with the second device is stored, and the information of the established connection with the second device includes the identifier of the link establishing the connection with the second device and the connection identifier allocated for the second device.
本发明实施例还提供一种连接建立装置，包括连接建立模块，所述连接建立模块用于执行以下步骤：The embodiment of the present invention also provides a connection establishment device, including a connection establishment module, and the connection establishment module is configured to perform the following steps:
发送第一连接请求消息给多链路接入点设备，所述第一连接请求消息中包含第一设备的标识和是否为已连接的设备新增链路的指示中的至少一者，用于多链路接入点设备判断是否与第一设备已建立连接；Sending a first connection request message to the multi-link access point device, where the first connection request message includes at least one of the identifier of the first device and an indication of whether a new link is added for the connected device, for The multi-link access point device determines whether a connection has been established with the first device;
接收多链路接入点设备发送的第一连接响应消息，所述第一连接响应消息中包含是否同意建立连接的指示和连接标识。Receive a first connection response message sent by the multi-link access point device, where the first connection response message includes an indication of whether to agree to establish a connection and a connection identifier.
可选地，所述第一连接请求消息中还指示请求建立连接的第一链路和与第一链路互为NSTR链路对的链路；所述连接建立模块还用于执行以下步骤：Optionally, the first connection request message also indicates the first link that requests to establish a connection and the link that is an NSTR link pair with the first link; the connection establishment module is also used to perform the following steps:
如果所述第一连接请求消息中指示第一链路与第二链路互为NSTR链路对，则在第一链路和第二链路上发送数据给多链路接入点设备时，在两条链路上同时开始数据发送，或者在第一链路上发送数据时，在第二链路上不接收数据，或者在第二链路上发送数据时，在第一链路上不接收数据。If the first connection request message indicates that the first link and the second link are NSTR link pairs, when sending data to the multi-link access point device on the first link and the second link, Start data transmission on both links at the same time, or when data is transmitted on the first link, no data is received on the second link, or when data is transmitted on the second link, no data is received on the first link Receive data.
可选地，所述连接建立模块还用于执行以下步骤：Optionally, the connection establishment module is also configured to perform the following steps:
在第二链路上读取多链路接入点设备发送的广播消息，所述广播消息中包含相邻接入点所属的设备与发送广播消息的设备是相同设备的指示和相邻接入点所在的链路的标识，且相邻接入点所在的链路的标识设置为指示第一链路；根据所述广播消息获知多链路接入点设备新增了第一链路；Read the broadcast message sent by the multi-link access point device on the second link, and the broadcast message includes the indication that the device to which the adjacent access point belongs is the same device as the device that sent the broadcast message and the neighbor access The identification of the link where the point is located, and the identification of the link where the adjacent access point is located is set to indicate the first link; according to the broadcast message, it is learned that the multi-link access point device has added a first link;
所述连接建立模块在第一链路上发送第一连接请求消息给多链路接入点设备，并在第一链路上接收多链路接入点设备发送的第一连接响应消息。The connection establishment module sends a first connection request message to the multi-link access point device on the first link, and receives a first connection response message sent by the multi-link access point device on the first link.
可选地，所述连接建立模块还用于执行以下步骤：Optionally, the connection establishment module is also configured to perform the following steps:
在第二链路上发送第二连接请求消息给多链路接入点设备，所述第二连接请求消息中指示请求建立连接的第二链路；Sending a second connection request message to the multi-link access point device on the second link, where the second connection request message indicates a second link requesting to establish a connection;
在第二链路上接收多链路接入点设备发送的第二连接响应消息，所述第二连接响应消息中包含是否同意建立连接的指示和连接标识；Receive a second connection response message sent by the multi-link access point device on the second link, where the second connection response message includes an indication of whether to agree to establish a connection and a connection identifier;
保存与多链路接入点设备已建立连接的信息，所述与多链路接入点设备已建立连接的信息包括与多链路接入点设备建立连接的链路的标识和所述第二连接响应消息中的连接标识；Save the information of the established connection with the multi-link access point device, the information of the established connection with the multi-link access point device includes the identifier of the link establishing the connection with the multi-link access point device and the first 2. The connection identifier in the connection response message;
所述连接建立模块在第一链路上发送第一连接请求消息给多链路接入点设备，并在第一链路上接收多链路接入点设备发送的第一连接响应消息。The connection establishment module sends a first connection request message to the multi-link access point device on the first link, and receives a first connection response message sent by the multi-link access point device on the first link.
应理解，这里的装置以功能模块的形式体现。这里的术语“模块”可以指应用特有集成电路(application specific integrated circuit，ASIC)、电子电路、用于执行一个或多个软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并逻辑电路和/或其它支持所描述的功能的合适组件。上述装置具有实现上述方法中的相应步骤的功能；上述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。在本发明的实施例，装置也可以是芯片或者芯片系统，例如：片上系统(system on chip，SoC)。本发明在此不作限定。It should be understood that the devices here are embodied in the form of functional modules. The term "module" herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a dedicated processor, or a group of processor, etc.) and memory, incorporated logic, and/or other suitable components to support the described functionality. The above-mentioned device has the function of realizing the corresponding steps in the above-mentioned method; the above-mentioned function can be realized by hardware, and can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above functions. In the embodiment of the present invention, the device may also be a chip or a system on a chip, such as a system on chip (SoC). The present invention is not limited here.
本发明实施例还提供了一种电子设备，图3为本发明实施例提供的电子设备的结构示意图。如图3所示，设备300包括处理器301、存储器302和通信接口303，其中，处理器301、存储器302和通信接口303通过总线304互相通信，存储器302中存储有可被所述处理器301执行的指令，所述指令由所述处理器301加载并执行，以控制通信接口303发送信号和/或接收信号。The embodiment of the present invention also provides an electronic device, and FIG. 3 is a schematic structural diagram of the electronic device provided by the embodiment of the present invention. As shown in FIG. 3 , the
应理解，设备300可以具体为上述实施例中的AP MLD1或STA MLD1，或者，上述实施例中的AP MLD1或STA MLD1的功能可以集成在设备300中，设备300可以用于执行上述实施例中的AP MLD1或STA MLD1对应的各个步骤和/或流程。可选地，该存储器302可以包括只读存储器和随机存取存储器，并向处理器301提供指令和数据。存储器302的一部分还可以包括非易失性随机存取存储器。例如，存储器302还可以存储设备类型的信息。该处理器301可以用于执行存储器301中存储的指令，并且该处理器301执行该指令时，该处理器301可以执行上述方法实施例中相应的各个步骤和/或流程。It should be understood that the
应理解，在本发明实施例中，该处理器可以是中央处理单元(centralprocessingunit，CPU)，该处理器还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。It should be understood that, in the embodiment of the present invention, the processor may be a central processing unit (central processing unit, CPU), and the processor may also be other general processors, digital signal processors (DSP), application specific integrated circuits (ASICs), Field Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
在实现过程中，上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器执行存储器中的指令，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。In the implementation process, each step of the above method can be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software. The steps of the methods disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor. The software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register. The storage medium is located in the memory, and the processor executes the instructions in the memory, and completes the steps of the above method in combination with its hardware. To avoid repetition, no detailed description is given here.
上述实施例，可以全部或部分地通过软件、硬件、固件或其他任意组合来实现。当使用软件实现时，上述实施例可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令或计算机程序。在计算机上加载或执行所述计算机指令或计算机程序时，全部或部分地产生按照本发明实施例所述的流程或功能。所述计算机可以为通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述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，所述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、服务器或数据中心进行传输。所述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含一个或多个可用介质集合的服务器、数据中心等数据存储设备。所述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。半导体介质可以是固态硬盘。The above-mentioned embodiments may be implemented in whole or in part by software, hardware, firmware or other arbitrary combinations. When implemented using software, the above-described embodiments may be implemented in whole or in part in the form of computer program products. The computer program product comprises one or more computer instructions or computer programs. When the computer instruction or computer program is loaded or executed on the computer, the processes or functions according to the embodiments of the present invention will be generated in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center that includes one or more sets of available media. The available media may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, DVD), or semiconductor media. The semiconductor medium may be a solid state drive.
应理解，在本发明的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。作为分离部件说明的模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理模块，即可以位于一个地方，或者也可以分布到多个网络模块上，可以根据实际的需要选择其中的部分或者全部模块来实现本发明实施例方案的目的。It should be understood that in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of each process should be determined by its functions and internal logic, rather than by the embodiment of the present invention. The implementation process constitutes any limitation. A module described as a separate component may or may not be physically separated, and a component displayed as a module may or may not be a physical module, that is, it may be located in one place, or may be distributed to multiple network modules, and may be based on In practice, it is necessary to select some or all of the modules to achieve the purpose of the solution of the embodiment of the present invention.
在本发明所提供的几个实施例中，应该理解到，所揭露的设备、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，例如一个模块或者组件可以划分为多个模块或组件，或者多个模块或组件可以结合或者可以集成到另一个系统，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，装置或模块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 by the present invention, it should be understood that the disclosed devices, devices and methods can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the modules is only a logical function division. In actual implementation, there may be other division methods. For example, a module or component can be divided into multiple One module or component, or multiple modules or components may be combined or may be integrated into another system, 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 modules may be in electrical, mechanical or other forms.
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的模块及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。Those skilled in the art can appreciate that the modules and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.
以上所述，仅为本发明的具体实施方式，但本发明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发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明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 embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.
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