CN110972245B - Method and equipment for determining uplink transmission power - Google Patents
Method and equipment for determining uplink transmission powerDownload PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Description
Translated fromChinese技术领域technical field
本申请涉及通信技术领域，更具体地涉及确定上行发送功率的方法和设备。The present application relates to the technical field of communications, and more specifically to a method and device for determining uplink transmission power.
背景技术Background technique
目前的通信系统中，当终端设备能力上报支持1个射频链路时，终端设备的最大发射功率为23dBm；当终端设备能力上报支持2个射频链路时，每个射频链路支持的最大发射功率为20dBm，终端设备的最大发射功率为23dBm；当终端设备能力上报支持4个射频链路时，每个射频链路支持的最大发射功率为17dBm，终端设备的最大发射功率为23dBm。由此，当终端设备能力上报支持2或4个射频链路，但网络设备配置终端设备采用单天线端口(天线端口与实际发送天线对应)发送时，终端设备单天线端口发送的最大发送功率为20dBm或17dBm，或者当终端设备能力上报支持2或4个射频链路发送，且采用带有0元素的预编码码本传输时，终端设备的上行传输支持的最大发送功率分别为20dBm或17dBm。In the current communication system, when the terminal equipment capability is reported to support 1 radio frequency link, the maximum transmission power of the terminal equipment is 23dBm; when the terminal equipment capability is reported to support 2 radio frequency links, the maximum transmission power supported by each radio frequency link The power is 20dBm, and the maximum transmission power of the terminal equipment is 23dBm; when the terminal equipment capability is reported to support 4 radio frequency links, the maximum transmission power supported by each radio frequency link is 17dBm, and the maximum transmission power of the terminal equipment is 23dBm. Therefore, when the capability of the terminal device is reported to support 2 or 4 radio frequency links, but the network device configures the terminal device to use a single antenna port (the antenna port corresponds to the actual transmit antenna) to transmit, the maximum transmit power of the terminal device's single antenna port is 20dBm or 17dBm, or when the terminal equipment capability report supports 2 or 4 radio frequency link transmissions, and the precoding codebook with 0 elements is used for transmission, the maximum transmission power supported by the uplink transmission of the terminal equipment is 20dBm or 17dBm respectively.
由上述描述可知，当终端设备上行部署多个发送链路且采用单天线端口传输或采用带有0元素的码本传输时，可能会出现终端设备不能按照支持的最大发送功率进行发送的情况，影响上行覆盖率和上行传输速率。It can be seen from the above description that when the terminal device deploys multiple transmit links uplink and uses a single antenna port for transmission or uses a codebook with 0 elements for transmission, the terminal device may not be able to transmit at the maximum supported transmit power. Affects uplink coverage and uplink transmission rate.
发明内容Contents of the invention
本发明实施例的目的是提供一种确定上行发送功率的方法和设备，可以提高上行覆盖率和上行传输速率。The purpose of the embodiments of the present invention is to provide a method and device for determining uplink transmission power, which can improve uplink coverage and uplink transmission rate.
第一方面，提供了一种确定上行发送功率的方法，应用于终端设备，该方法包括：在接收到功率分配指示信息的情况下，根据所述终端设备的能力、终端设备支持的N个射频链路的相干特性和上行传输模式，确定上行发送功率，所述终端设备的能力由支持的射频链路的数量、支持的协议版本、以及支持的发送模式中的至少一种表征，N为大于1的正整数；根据所述上行发送功率，确定上行发送天线端口上的发送功率。In the first aspect, a method for determining uplink transmission power is provided, which is applied to a terminal device, and the method includes: in the case of receiving power allocation indication information, according to the capability of the terminal device, the N radio frequencies supported by the terminal device The coherent characteristics of the link and the uplink transmission mode determine the uplink transmission power. The capability of the terminal device is characterized by at least one of the number of supported radio frequency links, the supported protocol version, and the supported transmission mode. N is greater than A positive integer of 1; determine the transmit power on the uplink transmit antenna port according to the uplink transmit power.
第二方面，提供了一种终端设备，该终端设备包括：第一处理模块，用于在接收到功率分配指示信息的情况下，根据所述终端设备的能力、所述终端设备支持的N个射频链路的相干特性和上行传输模式，确定上行发送功率，所述终端设备的能力由支持的射频链路的数量、支持的协议版本、以及支持的发送模式中的至少一种表征，N为大于1的正整数；第二处理模块，用于根据所述上行发送功率，确定上行发送天线端口上的发送功率。In a second aspect, a terminal device is provided, and the terminal device includes: a first processing module configured to, in the case of receiving power allocation indication information, according to the capability of the terminal device, the N The coherent characteristics and uplink transmission mode of the radio frequency link determine the uplink transmission power, and the capability of the terminal device is characterized by at least one of the number of supported radio frequency links, supported protocol versions, and supported transmission modes, N is A positive integer greater than 1; a second processing module, configured to determine the transmit power on the uplink transmit antenna port according to the uplink transmit power.
第三方面，提供了一种终端设备，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述第一方面所述的确定上行发送功率的方法的步骤。In a third aspect, a terminal device is provided, including: a memory, a processor, and a computer program stored on the memory and operable on the processor, when the computer program is executed by the processor, the above-mentioned Steps in the method for determining uplink transmission power described in the first aspect.
第四方面，提供了一种计算机可读介质，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如第一方面所述的方法的步骤。In a fourth aspect, a computer-readable medium is provided, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the first aspect are implemented.
在本发明实施例中，终端设备在接收到功率分配指示信息的情况下，根据终端设备的能力、终端设备支持的射频链路的相干特性和上行传输模式确定上行发送功率，并根据确定出的上行发送功率确定上行发送天线端口上的发送功率。由于在确定上行发送功率时综合考虑了终端设备的能力、射频链路的相干特性和上行传输模式，提高了终端设备单天线端口传输或采用带有元素零的预编码码本传输时按照支持的最大发送功率进行发送的可能性，从而提高上行覆盖率和上行传输速率。In the embodiment of the present invention, the terminal device determines the uplink transmission power according to the capability of the terminal device, the coherence characteristics of the radio frequency link supported by the terminal device and the uplink transmission mode when receiving the power allocation indication information, and according to the determined The uplink transmit power determines the transmit power on the uplink transmit antenna port. Since the capability of the terminal equipment, the coherence characteristics of the radio frequency link, and the uplink transmission mode are considered comprehensively when determining the uplink transmission power, the transmission of the terminal equipment with a single antenna port or the transmission of the precoding codebook with element zero is improved. The possibility of sending at the maximum transmit power, thereby improving uplink coverage and uplink transmission rate.
附图说明Description of drawings
此处所说明的附图用来提供对本发明的进一步理解，构成本发明的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings described here are used to provide a further understanding of the present invention, and constitute a part of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute improper limitations to the present invention. In the attached picture:
图1是根据本发明的一个实施例的确定上行发送功率的方法的示意性流程图。Fig. 1 is a schematic flowchart of a method for determining uplink transmission power according to an embodiment of the present invention.
图2是根据本发明的一个实施例的终端设备的结构示意图。Fig. 2 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
图3是根据本发明的一个实施例的终端设备的另一结构示意图。Fig. 3 is another schematic structural diagram of a terminal device according to an embodiment of the present invention.
图4是根据本发明的另一个实施例的终端设备的结构示意图。Fig. 4 is a schematic structural diagram of a terminal device according to another embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
本发明的技术方案，可以应用于各种通信系统，例如：长期演进(Long TermEvolution，LTE)/增强长期演进(Long Term Evolution-advanced，LTE-A)系统，新空口(New Radio，NR)系统等。The technical solution of the present invention can be applied to various communication systems, such as: Long Term Evolution (Long Term Evolution, LTE)/Enhanced Long Term Evolution (Long Term Evolution-advanced, LTE-A) system, New Air Interface (New Radio, NR) system wait.
在本发明实施例中，终端设备(User Equipment，UE)，也可称之为移动终端(Mobile Terminal)、移动用户设备等，可以经无线接入网(例如，Radio Access Network，RAN)与一个或多个核心网进行通信，用户设备可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。In the embodiment of the present invention, a terminal device (User Equipment, UE), which may also be referred to as a mobile terminal (Mobile Terminal), mobile user equipment, etc., can communicate with a radio access network (for example, Radio Access Network, RAN) or a plurality of core networks for communication, the user equipment can be a mobile terminal, such as a mobile phone (or called a "cellular" phone) and a computer with a mobile terminal, for example, can be portable, pocket, handheld, computer built-in or Mobile devices on board that exchange voice and/or data with the radio access network.
在本发明实施例中，网络设备一种部署在无线接入网设中用于为终端设备提供无线通信功能的装置，网络设备例如可以是基站，基站可以是LTE中的演进型基站(eNB或e-NodeB，evolutional Node B)及5G基站(gNB)。In the embodiment of the present invention, the network device is a device deployed in a wireless access network device to provide wireless communication functions for terminal devices. The network device may be, for example, a base station, and the base station may be an evolved base station (eNB or e-NodeB, evolutional Node B) and 5G base station (gNB).
需要说明的是，本发明实施例的确定上行发送功率的方法可以用于确定物理上行共享信道(Physical Uplink Shared Channel，PUSCH)或参考信号在每个上行发送天线端口上的发送功率。It should be noted that the method for determining uplink transmit power in the embodiment of the present invention can be used to determine the transmit power of a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) or a reference signal on each uplink transmit antenna port.
需要说明的是，在本发明实施例中，一个天线端口可以是一个物理天线，也可以是多个物理天线的集合。射频链路的相干特性也可以理解为与射频链路相关的天线端口的相干特性。例如，假设终端设备支持2个射频链路，与射频链路相关的天线端口为天线端口0和天线端口1，则如果这2个射频链路为全相干链路，则认为天线端口0和天线端口1全相干。It should be noted that, in this embodiment of the present invention, an antenna port may be a physical antenna, or may be a collection of multiple physical antennas. The coherence characteristic of the radio frequency link can also be understood as the coherence characteristic of the antenna port related to the radio frequency link. For example, assuming that the terminal device supports two radio frequency links, and the antenna ports related to the radio frequency links are antenna port 0 and antenna port 1, if the two radio frequency links are fully coherent links, the antenna port 0 and antenna port Port 1 is fully coherent.
还需要说明的是，在本发明实施例中，终端设备采用码本进行传输时采用的码本可以是网络设备指示给终端设备的码本，也可以是终端设备根据信道状态信息(ChannelState Information，CSI)动态确定的码本。It should also be noted that, in the embodiment of the present invention, the codebook used by the terminal device when using the codebook for transmission may be the codebook indicated by the network device to the terminal device, or the codebook that the terminal device uses according to Channel State Information (ChannelState Information, CSI) dynamically determined codebook.
以下结合附图，详细说明本发明各实施例提供的技术方案。The technical solutions provided by various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
图1示出了根据本申请一个实施例的资源分配的方法。如图1所示，方法包括：Fig. 1 shows a resource allocation method according to an embodiment of the present application. As shown in Figure 1, the methods include:
S110，在接收到功率分配指示信息的情况下，根据所述终端设备的能力、所述终端设备支持的N个射频链路的相干特性和上行传输模式，确定上行发送功率，所述终端设备的能力由支持的射频链路的数量、支持的协议版本、以及支持的发送模式中的至少一种表征，N为大于1的正整数。S110. In the case of receiving the power allocation indication information, determine the uplink transmission power according to the capability of the terminal device, the coherence characteristics of the N radio frequency links supported by the terminal device, and the uplink transmission mode, and the terminal device's The capability is characterized by at least one of the number of supported radio frequency links, supported protocol versions, and supported transmission modes, and N is a positive integer greater than 1.
举例来说，N的值为2或4，即终端设备支持2个射频链路发送或支持4个射频链路发送。发送模式可以包括全功率发送或非全功率发送(例如半功率发送)。For example, the value of N is 2 or 4, that is, the terminal device supports transmission of 2 radio frequency links or supports transmission of 4 radio frequency links. Transmission modes may include transmission at full power or transmission at less than full power (eg, transmission at half power).
可选地，在一些实施例中，S110中的功率分配指示信息是网络设备通过无线资源控制(Radio Resource Control，RRC)消息或下行控制信息(Downlink ControlInformation，DCI)发送给终端设备的。或者可以认为图1所示的方法还包括：接收RRC消息，RRC消息中包括功率分配指示信息；或接收DCI，DCI中包括功率分配指示信息。Optionally, in some embodiments, the power allocation indication information in S110 is sent by the network device to the terminal device through a radio resource control (Radio Resource Control, RRC) message or downlink control information (Downlink Control Information, DCI). Alternatively, it can be considered that the method shown in FIG. 1 further includes: receiving an RRC message, where the RRC message includes power allocation indication information; or receiving DCI, where the DCI includes power allocation indication information.
可选地，在另一些实施例中，终端设备根据基于RRC消息配置的探测参考信号(Sounding Reference Signal，SRS)资源集合或SRS资源确定是否接收到功率分配指示信息。这种方法可以认为是一种隐式确定功率分配指示信息的方法。例如，假设网络设备配置SRS资源集合或SRS资源的发送天线端口与PUSCH的发送天线端口相同，则终端设备认为接收到了功率分配指示信息。Optionally, in some other embodiments, the terminal device determines whether to receive the power allocation indication information according to a sounding reference signal (Sounding Reference Signal, SRS) resource set or SRS resource configured based on the RRC message. This method can be regarded as a method of implicitly determining the power allocation indication information. For example, assuming that the network device configures the SRS resource set or that the transmit antenna port of the SRS resource is the same as the transmit antenna port of the PUSCH, the terminal device considers that the power allocation indication information has been received.
具体地，在一些实施例中，S110中根据终端设备的能力，终端设备支持的N个射频链路的相干特性和上行传输模式确定上行发送功率的实现方式包括：根据终端设备的能力、N个射频链路的相干特性和上行传输模式，确定功率调幅因子；根据功率调幅因子、基于功率控制公式确定的计算发送功率、非零天线端口的数量和传输总层数，确定上行发送功率。Specifically, in some embodiments, in S110, the implementation of determining the uplink transmit power according to the capability of the terminal device, the coherence characteristics of the N radio frequency links supported by the terminal device, and the uplink transmission mode includes: according to the capability of the terminal device, N radio frequency links Determine the power amplitude modulation factor based on the coherent characteristics of the radio frequency link and the uplink transmission mode; determine the uplink transmit power according to the power amplitude modulation factor, the calculated transmit power determined based on the power control formula, the number of non-zero antenna ports, and the total number of transmission layers.
例如，可以将基于功率控制公式确定的计算发送功率记为第一发送功率，将第一发送功率与功率调幅因子的乘积或之和记为第二发送功率，将非零天线端口的数量与传输总层数比值与第二发送功率的乘积记为第三发送功率，则这里的第三发送功率即为S110中的上行发送功率。For example, the calculated transmit power determined based on the power control formula can be recorded as the first transmit power, the product or sum of the first transmit power and the power amplitude modulation factor can be recorded as the second transmit power, and the number of non-zero antenna ports and the transmission The product of the ratio of the total number of layers and the second transmit power is recorded as the third transmit power, and the third transmit power here is the uplink transmit power in S110.
上述的功率调幅因子与终端设备的能力、终端设备支持的N个射频链路的相干特性和上行传输模式的关系可以为如表1所示的关系。例如，如果终端设备支持的射频链路的数量为2且支持全功率发射，上行传输模式为单天线端口传输，2个射频链路全相干，则确定功率调幅因子为1或者功率调幅因子为0dB。假设根据功率控制公式确定出的计算发送功率为P，非零天线端口数为1，传输层数为2，则若采用现有技术确定上行发送功率的方法确定出的上行发送功率为P/2，而根据本发明实施例的确定上行发送功率的方法确定出的上行发送功率为P。由此，在这种情况下，采用本发明实施例的确定上行发送功率的方法，能够提高终端设备的上行发送功率，提高上行覆盖率和上行传输速率。The relationship between the aforementioned power amplitude modulation factor and the capability of the terminal equipment, the coherence characteristics of the N radio frequency links supported by the terminal equipment, and the uplink transmission mode may be as shown in Table 1. For example, if the number of radio frequency links supported by the terminal device is 2 and supports full power transmission, the uplink transmission mode is single-antenna port transmission, and the two radio frequency links are fully coherent, then determine that the power modulation factor is 1 or the power modulation factor is 0dB . Assuming that the calculated transmission power determined according to the power control formula is P, the number of non-zero antenna ports is 1, and the number of transmission layers is 2, then if the uplink transmission power determined by the prior art method is P/2 , and the uplink transmission power determined according to the method for determining the uplink transmission power in the embodiment of the present invention is P. Therefore, in this case, by adopting the method for determining uplink transmission power in the embodiment of the present invention, the uplink transmission power of the terminal device can be increased, and the uplink coverage and uplink transmission rate can be improved.
以在一个服务小区c的一个载波f上的一个上行部分带宽b上传输PUSCH为例，上述的功率控制公式可以为：Taking PUSCH transmission on an uplink partial bandwidth b on a carrier f of a serving cell c as an example, the above power control formula can be:
其中，i表示传输时间，j表示目标接收功率和路损补偿因子取值标识，qd表示路损计算依据参考信号标识，l表示闭环功控进程标识；PCMAX,f,c(i)为终端设备支持的最大发送功率，PO_PUSCH,b,f,c和αb,f,c(j)分别表示目标接收功率和路损补偿因子，
表1Table 1
需要说明的是，表1中，若终端设备支持的射频链路的数量为2且支持高于Rel-15的协议，或终端设备支持的射频链路的数量为2且支持全功率发射，上行传输模式为基于码本(Codebook)传输，2个射频链路为全相干链路，终端设备的非零传输层数为1且采用的码本中包括元素0(例如表2所示出的码本)时，功率调幅因子为2或者3dB。It should be noted that in Table 1, if the number of radio frequency links supported by the terminal device is 2 and supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 2 and supports full-power transmission, the uplink The transmission mode is based on codebook (Codebook) transmission, the two radio frequency links are fully coherent links, the number of non-zero transmission layers of the terminal equipment is 1 and the adopted codebook includes element 0 (for example, the codebook shown in Table 2 This), the power amplitude modulation factor is 2 or 3dB.
表2Table 2
若终端设备支持的射频链路的数量为4且支持高于Rel-15的协议，或者终端设备支持射频链路的数量为4且支持功率发射，上行传输为基于Codebook传输，4个射频链路为部分相干链路，非零传输层数为1时，功率调幅因子为2或3dB。若终端设备支持的射频链路的数量为4且支持高于Rel-15的协议，或者终端设备支持射频链路的数量为4且支持功率发射，上行传输为基于Codebook传输，4个射频链路为部分相干链路，非零传输层数为2时，功率调幅因子为1或0dB。若终端设备支持的射频链路的数量为4且支持高于Rel-15的协议，或者终端设备支持射频链路的数量为4且支持功率发射，上行传输为基于Codebook传输，4个射频链路为部分相干链路，非零传输层数为3或4时，功率调幅因子为1或0dB。If the number of radio frequency links supported by the terminal device is 4 and supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 4 and supports power transmission, the uplink transmission is based on Codebook transmission, and 4 radio frequency links For a partially coherent link, when the number of non-zero transmission layers is 1, the power amplitude modulation factor is 2 or 3dB. If the number of radio frequency links supported by the terminal device is 4 and supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 4 and supports power transmission, the uplink transmission is based on Codebook transmission, and 4 radio frequency links For a partially coherent link, when the number of non-zero transmission layers is 2, the power amplitude modulation factor is 1 or 0dB. If the number of radio frequency links supported by the terminal device is 4 and supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 4 and supports power transmission, the uplink transmission is based on Codebook transmission, and 4 radio frequency links For a partially coherent link, when the number of non-zero transmission layers is 3 or 4, the power amplitude modulation factor is 1 or 0dB.
若终端设备支持的射频链路的数量为4且支持高于Rel-15的协议，或者终端设备支持射频链路的数量为4且支持功率发射，上行传输为基于Codebook传输，4个射频链路为全相干链路，TRI＝1，且终端设备的非零传输层数为4(例如采用表3中的部分码本)时，功率调幅因子为4或6dB。若终端设备支持的射频链路的数量为4且支持高于Rel-15的协议，或者终端设备支持射频链路的数量为4且支持功率发射，上行传输为基于Codebook传输，4个射频链路为全相干链路，TRI＝1，且终端设备的非零传输层数为2(例如采用表3中的部分码本)时，功率调幅因子为2或3dB。若终端设备支持的射频链路的数量为4，且支持高于Rel-15的协议，或者终端设备支持射频链路的数量为4且支持功率发射，上行传输为基于Codebook传输，4个射频链路为全相干链路，TRI＝2，且终端设备的非零传输层数为2(例如采用表4中的码本)时，功率调幅因子为2。If the number of radio frequency links supported by the terminal device is 4 and supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 4 and supports power transmission, the uplink transmission is based on Codebook transmission, and 4 radio frequency links When it is a fully coherent link, TRI=1, and the number of non-zero transmission layers of the terminal equipment is 4 (for example, using the partial codebook in Table 3), the power amplitude modulation factor is 4 or 6dB. If the number of radio frequency links supported by the terminal device is 4 and supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 4 and supports power transmission, the uplink transmission is based on Codebook transmission, and 4 radio frequency links When it is a fully coherent link, TRI=1, and the number of non-zero transmission layers of the terminal equipment is 2 (for example, using the partial codebook in Table 3), the power amplitude modulation factor is 2 or 3dB. If the number of radio frequency links supported by the terminal device is 4, and it supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 4 and supports power transmission, the uplink transmission is based on Codebook transmission, and 4 radio frequency chains When the link is a fully coherent link, TRI=2, and the number of non-zero transmission layers of the terminal equipment is 2 (for example, the codebook in Table 4 is used), the power amplitude modulation factor is 2.
表3table 3
表4Table 4
若终端设备支持的射频链路的数量为4且支持高于Rel-15的协议，或者终端设备支持射频链路的数量为4且支持功率发射，上行传输为基于Codebook传输，4个射频链路为全相干链路，TRI＝3，且终端设备的非零传输层数为3(例如采用表5中的码本)时，功率调幅因子为4/3或10*log(4/3)dB。If the number of radio frequency links supported by the terminal device is 4 and supports a protocol higher than Rel-15, or the number of radio frequency links supported by the terminal device is 4 and supports power transmission, the uplink transmission is based on Codebook transmission, and 4 radio frequency links When it is a fully coherent link, TRI=3, and the number of non-zero transmission layers of the terminal equipment is 3 (for example, using the codebook in Table 5), the power amplitude modulation factor is 4/3 or 10*log(4/3)dB .
表5table 5
S120，根据所述上行发送功率，确定上行发送天线端口上的发送功率。S120. Determine the transmit power on the uplink transmit antenna port according to the uplink transmit power.
可选地，在一些实施例中，图1所示的方法还包括：根据N、N个射频链路的相干特性和上行传输模式，确定上行传输模式支持的最大发送功率。相对应的S120具体为：根据上行发送功率和上行传输模式支持的最大发送功率，确定每个上行发送天线端口上的发送功率。Optionally, in some embodiments, the method shown in FIG. 1 further includes: determining the maximum transmit power supported by the uplink transmission mode according to the coherence characteristics of N and N radio frequency links and the uplink transmission mode. The corresponding S120 specifically includes: determining the transmit power on each uplink transmit antenna port according to the uplink transmit power and the maximum transmit power supported by the uplink transmission mode.
具体地，在一些实施例中，在所述N个射频链路为非相干链路，且所述上行传输模式为单天线端口传输的情况下，将所述终端设备的最大发送功率Pcmax与10log(N)的第一差值，确定为所述上行传输模式支持的最大发送功率。Specifically, in some embodiments, when the N radio frequency links are non-coherent links, and the uplink transmission mode is single-antenna port transmission, the maximum transmit power Pcmax of the terminal device and The first difference of 10log(N) is determined as the maximum transmit power supported by the uplink transmission mode.
进一步地，在S120中，根据所述上行发送功率和所述上行传输模式支持的最大发送功率，确定每个上行发送天线端口上的发送功率，包括：将上行发送功率与第一差值中的较小值，确定为上行发送天线端口上的发送功率，单天线端口传输的发送数据映射至上行发送天线端口上。Further, in S120, according to the uplink transmit power and the maximum transmit power supported by the uplink transmission mode, determine the transmit power on each uplink transmit antenna port, including: calculating the uplink transmit power and the first difference The smaller value is determined as the transmit power on the uplink transmit antenna port, and the transmit data transmitted by the single antenna port is mapped to the uplink transmit antenna port.
举例来说，假设N为2，2个射频链路为非相干链路，Pcmax为23dBm，网络设备配置终端设备采用单天线端口传输，则将23dBm与10log(2)的差值即20dBm确定为单天线端口传输支持的最大发送功率。进一步地，如果终端设备确定的上行发送功率为16dBm，则终端设备的上行发送天线端口上的发送功率为16dBm，如果终端设备确定的上行发送功率为21dBm，则终端设备的上行发送天线端口上的发送功率为20dBm。For example, assuming that N is 2, the two radio frequency links are non-coherent links, Pcmax is 23dBm, and the network equipment configures the terminal equipment to use a single antenna port for transmission, then the difference between 23dBm and 10log(2) is 20dBm. The maximum transmit power supported for single-antenna port transmission. Further, if the uplink transmit power determined by the terminal device is 16dBm, the transmit power on the uplink transmit antenna port of the terminal device is 16dBm, and if the uplink transmit power determined by the terminal device is 21dBm, the The transmit power is 20dBm.
或者，假设N为4，4个射频链路为非相干链路，Pcmax为23dBm，网络设备配置终端设备采用单天线端口传输，则将23dBm与10log(4)的差值即17dBm确定为单天线端口传输支持的最大发送功率。进一步地，如果终端设备确定的上行发送功率为16dBm，则终端设备的上行发送天线端口上的发送功率为16dBm，如果终端设备确定的上行发送功率为18dBm，则终端设备的上行发送天线端口上的发送功率为17dBm。Or, assuming that N is 4, the 4 radio frequency links are non-coherent links, Pcmax is 23dBm, and the network equipment configures the terminal equipment to use a single antenna port for transmission, then the difference between 23dBm and 10log(4), which is 17dBm, is determined as the single The maximum transmit power supported by the antenna port transmission. Further, if the uplink transmit power determined by the terminal device is 16dBm, the transmit power on the uplink transmit antenna port of the terminal device is 16dBm, and if the uplink transmit power determined by the terminal device is 18dBm, the The transmit power is 17dBm.
具体地，在一些实施例中，在所述N个射频链路为全相干链路，且所述上行传输模式为单天线端口传输的情况下，将所述终端设备的最大发送功率Pcmax确定为所述上行传输模式支持的最大发送功率。Specifically, in some embodiments, when the N radio frequency links are fully coherent links, and the uplink transmission mode is single-antenna port transmission, the maximum transmit power Pcmax of the terminal device is determined as The maximum transmit power supported by the uplink transmission mode.
进一步地，在S120中，根据所述上行发送功率和所述上行传输模式支持的最大发送功率，确定上行发送天线端口上的发送功率，包括：将上行发送功率与Pcmax中的较小值与N的比值，确定为N个上行发送天线端口中的每个上行发送天线端口上的发送功率，单天线端口传输的发送数据映射至N个上行发送天线端口上。Further, in S120, according to the uplink transmission power and the maximum transmission power supported by the uplink transmission mode, determine the transmission power on the uplink transmission antenna port, including: combining the uplink transmission power and the smaller value of Pcmax and The ratio of N is determined as the transmit power on each of the N uplink transmit antenna ports, and the transmit data transmitted by the single antenna port is mapped to the N uplink transmit antenna ports.
举例来说，假设N为2，2个射频链路为全相干链路，2个射频链路对应的发送天线端口为天线端口0和天线端口1(或者描述为发送天线端口为{0，1})，网络设备配置终端设备采用单天线端口传输，则将Pcmax确定为单天线端口传输支持的最大发送功率。进一步地，如果终端设备确定的上行发送功率为P，P小于或等于Pcmax，则终端设备的单天线端口传输的发送数据映射至天线端口0和天线端口1上同时发送，天线端口0和天线端口1上的发送功率均为P/2。For example, assuming that N is 2, the two radio frequency links are fully coherent links, and the transmit antenna ports corresponding to the two radio frequency links are antenna port 0 and antenna port 1 (or described as the transmit antenna ports {0, 1 }), and the network device configures the terminal device to use single-antenna port transmission, then determine Pcmax as the maximum transmission power supported by single-antenna port transmission. Further, if the uplink transmission power determined by the terminal device is P, and P is less than or equal to Pcmax , then the transmission data transmitted by the single antenna port of the terminal device is mapped to antenna port 0 and antenna port 1 for simultaneous transmission, and antenna port 0 and antenna port The transmit power on port 1 is all P/2.
或者，假设N为4，4个射频链路为全相干链路，4个射频链路对应的发送天线端口为天线端口0、天线端口1、天线端口2和天线端口3(或者描述为发送天线端口{0，1，2，3})，则将Pcmax确定为单天线端口传输支持的最大发送功率。进一步地，如果终端设备确定的上行发送功率为P，P小于或等于Pcmax，则终端设备的单天线端口传输的发送数据映射至天线端口0、天线端口1、天线端口2和天线端口3上同时发送，天线端口0、天线端口1、天线端口2和天线端口3上的发送功率均为P/4。Alternatively, assuming that N is 4, the 4 radio frequency links are fully coherent links, and the transmit antenna ports corresponding to the 4 radio frequency links are antenna port 0, antenna port 1, antenna port 2, and antenna port 3 (or described as transmit antenna ports port {0, 1, 2, 3}), then determine Pcmax as the maximum transmit power supported by single-antenna port transmission. Further, if the uplink transmission power determined by the terminal device is P, and P is less than or equal to Pcmax , then the transmission data transmitted by the single antenna port of the terminal device is mapped to antenna port 0, antenna port 1, antenna port 2 and antenna port 3 For simultaneous transmission, the transmission powers on antenna port 0, antenna port 1, antenna port 2, and antenna port 3 are all P/4.
具体地，在一些实施例中，在所述N个射频链路为部分相干链路，且所述上行传输模式为单天线端口传输的情况下，将Pcmax与10log(M)的第二差值确定为上行传输模式支持的最大发送功率，M为N个射频链路中部分相干的射频链路的集合数。Specifically, in some embodiments, when the N radio frequency links are partially coherent links, and the uplink transmission mode is single-antenna port transmission, the second difference between Pcmax and 10log(M) The value is determined as the maximum transmit power supported by the uplink transmission mode, and M is the set number of partially coherent radio frequency links among the N radio frequency links.
进一步地，在S120中，根据所述上行发送功率和所述上行传输模式支持的最大发送功率，确定上行发送天线端口上的发送功率，包括：将上行发送功率与第二差值中的较小值与L的比值，确定为L个上行发送天线端口中的每个上行发送天线端口上的发送功率，单天线端口传输的发送数据映射至L个上行发送天线端口上，L为N与M的比值。Further, in S120, determining the transmit power on the uplink transmit antenna port according to the uplink transmit power and the maximum transmit power supported by the uplink transmission mode includes: determining the uplink transmit power and the second difference which is smaller The ratio of the value to L is determined as the transmit power on each of the L uplink transmit antenna ports, and the transmit data transmitted by a single antenna port is mapped to the L uplink transmit antenna ports, and L is the ratio of N and M ratio.
举例来说，假设N为4，4个射频链路为部分相干链路，4个射频链路对应的发送天线端口为天线端口0、天线端口1、天线端口2和天线端口3(或者描述为发送天线端口{0，1，2，3})，天线端口0和天线端口1相干，天线端口2和天线端口3相干，即M为2，Pcmax为23dBm，网络设备配置终端设备采用单天线端口0传输，则将则将23dBm与10log(2)的差值即20dBm确定为单天线端口传输支持的最大发送功率。进一步地，终端设备的单天线端口0传输的发送数据映射至天线端口0和天线端口1上同时发送，如果终端设备确定的上行发送功率为P(在这种情况下，终端设备基于功率控制公式计算出的计算功率为2P)，P小于或等于20dBm，则天线端口0和天线端口1上的发送功率均为P/2，如果终端设备确定的上行发送功率为P，P大于20dBm，则天线端口0和天线端口1上的发送功率均为10dBm。For example, assuming that N is 4, the 4 radio frequency links are partially coherent links, and the transmit antenna ports corresponding to the 4 radio frequency links are antenna port 0, antenna port 1, antenna port 2, and antenna port 3 (or described as Transmitting antenna port {0, 1, 2, 3}), antenna port 0 and antenna port 1 are coherent, antenna port 2 and antenna port 3 are coherent, that is, M is 2, Pcmax is 23dBm, and the network equipment configuration terminal equipment adopts a single antenna For port 0 transmission, the difference between 23dBm and 10log(2), that is, 20dBm, is determined as the maximum transmission power supported by single-antenna port transmission. Further, the transmission data transmitted by the single-antenna port 0 of the terminal device is mapped to antenna port 0 and antenna port 1 for simultaneous transmission, if the uplink transmission power determined by the terminal device is P (in this case, the terminal device is based on the power control formula The calculated calculation power is 2P), and P is less than or equal to 20dBm, then the transmit power on antenna port 0 and antenna port 1 is both P/2, if the uplink transmit power determined by the terminal device is P, and P is greater than 20dBm, then the antenna The transmit power on both port 0 and antenna port 1 is 10dBm.
具体地，在一些实施例中，在所述N个射频链路为全相干链路，且所述上行传输模式为基于包括元素零的码本的传输的情况下，将终端设备的最大发送功率Pcmax确定为所述上行传输模式支持的最大发送功率。Specifically, in some embodiments, when the N radio frequency links are fully coherent links, and the uplink transmission mode is transmission based on a codebook including element zero, the maximum transmit power of the terminal device is set to Pcmax is determined as the maximum transmission power supported by the uplink transmission mode.
进一步地，在S120中，根据所述上行发送功率和所述上行传输模式支持的最大发送功率，确定上行发送天线端口上的发送功率，包括：将所述上行发送功率与所述Pcmax中的较小值与N的比值，确定为N个上行发送天线端口中的每个上行发送天线端口上的发送功率，所述码本中的非零元素对应的数据映射至所述N个上行发送天线端口中与所述非零元素对应的上行发送天线端口以及与所述码本中的元素零对应的上行发送天线端口上。Further, in S120, according to the uplink transmission power and the maximum transmission power supported by the uplink transmission mode, determining the transmission power on the uplink transmission antenna port includes: combining the uplink transmission power with thePcmax The ratio of the smaller value to N is determined as the transmit power on each of the N uplink transmit antenna ports, and the data corresponding to the non-zero elements in the codebook are mapped to the N uplink transmit antennas The uplink transmit antenna port corresponding to the non-zero element among the ports and the uplink transmit antenna port corresponding to the element zero in the codebook.
举例来说，假设N为2，2个射频链路为全相干链路，2个射频链路对应的发送天线端口为天线端口0和天线端口1(或者描述为发送天线端口为{0，1})，网络设备配置终端设备采用基于码本的传输，TRI为1，TMPI为0，即终端设备采用的码本为
或者，假设N为4，4个射频链路为全相干链路，4个射频链路对应的发送天线端口为天线端口0、天线端口1、天线端口2和天线端口3，网络设备配置终端设备采用基于码本的传输，TRI为1，TMPI为0，即终端设备采用的码本为
或者，假设N为4，4个射频链路为全相干链路，4个射频链路对应的发送天线端口为天线端口0、天线端口1、天线端口2和天线端口3，网络设备配置终端设备采用基于码本的传输，TRI为1，TMPI为4，即终端设备采用的码本为
或者，假设N为4，4个射频链路为全相干链路，4个射频链路对应的发送天线端口为天线端口0、天线端口1、天线端口2和天线端口3，网络设备配置终端设备采用基于码本的传输，TRI为2，TMPI为0，即终端设备采用的码本为
或者，假设N为4，4个射频链路为全相干链路，4个射频链路对应的发送天线端口为天线端口0、天线端口1、天线端口2和天线端口3，网络设备配置终端设备采用基于码本的传输，TRI为3，TMPI为0，即终端设备采用的码本为
具体地，在一些实施例中，在所述N个射频链路为部分相干链路，且所述上行传输模式为基于包括元素零的码本的传输的情况下，将所述Pcmax与10log(K)的第三差值确定为所述上行传输模式支持的最大发送功率，K为所述N个射频链路中部分相干的射频链路的集合数。Specifically, in some embodiments, when the N radio frequency links are partially coherent links, and the uplink transmission mode is transmission based on a codebook including element zero, the Pcmax and 10log The third difference of (K) is determined as the maximum transmit power supported by the uplink transmission mode, and K is the set number of partially coherent radio frequency links among the N radio frequency links.
进一步地，在S120中，根据所述上行发送功率和所述上行传输模式支持的最大发送功率，确定上行发送天线端口上的发送功率，包括：将所述上行发送功率与所述第三差值中的较小值与S的比值，确定为S个上行发送天线端口中的每个上行发送天线端口上的发送功率，所述码本中的非零元素对应的数据映射至所述P个上行发送天线端口中与所述非零元素对应的上行发送天线端口以及与所述码本中的元零素对应的上行发送天线端口上，S为N与K的比值。Further, in S120, according to the uplink transmission power and the maximum transmission power supported by the uplink transmission mode, determining the transmission power on the uplink transmission antenna port includes: calculating the uplink transmission power and the third difference The ratio of the smaller value in S to S is determined as the transmit power on each of the S uplink transmit antenna ports, and the data corresponding to the non-zero elements in the codebook are mapped to the P uplink transmit antenna ports On the uplink transmit antenna port corresponding to the non-zero element among the transmit antenna ports and the uplink transmit antenna port corresponding to the zero element in the codebook, S is the ratio of N to K.
在本发明实施例中，可选地，终端设备在未接收到功率分配指示信息的情况下，可以根据以下方式确定上行传输模式支持的最大发送功率：In the embodiment of the present invention, optionally, the terminal device may determine the maximum transmission power supported by the uplink transmission mode according to the following method when the terminal device does not receive the power allocation indication information:
在终端设备支持2个射频链路，且网络设备配置终端设备采用单天线端口传输的情况下，将终端设备的最大发送功率Pcmax-3dBm确定为单天线端口传输支持的最大发送功率；When the terminal device supports two radio frequency links, and the network device configures the terminal device to use single-antenna port transmission, the maximum transmit power Pcmax -3dBm of the terminal device is determined as the maximum transmit power supported by single-antenna port transmission;
在终端设备支持2个射频链路，终端设备采用秩为1，且包括一个非零元素的码本进行传输的情况下，将Pcmax-3dBm确定为终端设备基于码本(或非码本)传输支持的最大发送功率；In the case that the terminal device supports 2 radio frequency links, and the terminal device uses a codebook with a rank of 1 and includes a non-zero element for transmission, determine Pcmax -3dBm as the terminal device based on the codebook (or non-codebook) The maximum transmission power supported by the transmission;
在终端设备支持4个射频链路，且网络设备配置终端设备采用单天线端口传输的情况下。将Pcmax-6dBm确定为单天线端口传输支持的最大发送功率；When the terminal device supports 4 radio frequency links, and the network device configures the terminal device to use a single antenna port for transmission. Determine Pcmax -6dBm as the maximum transmission power supported by single antenna port transmission;
在终端设备支持4个射频链路，终端设备采用秩为1，且包括一个零元素的码本进行传输的情况下，将Pcmax-6dBm确定为终端设备基于码本(或非码本)传输支持的最大发送功率；In the case that the terminal device supports 4 radio frequency links, and the terminal device uses a codebook with a rank of 1 and includes a zero element for transmission, determine Pcmax -6dBm as the terminal device based on codebook (or non-codebook) transmission Supported maximum transmit power;
在终端设备支持4个射频链路，终端设备采用秩为2，且每一列中包括一个零元素的码本进行传输的情况下，将Pcmax-3dBm确定为终端设备基于码本(或非码本)传输支持的最大发送功率；In the case that the terminal equipment supports 4 radio frequency links, and the terminal equipment adopts a codebook whose rank is 2 and includes a zero element in each column for transmission, Pcmax -3dBm is determined as the terminal equipment based on the codebook (or non-codebook This) the maximum transmission power supported by transmission;
在终端设备支持4个射频链路，终端设备采用秩为3，且每一列中包括一个非零元素的码本进行传输的情况下，将Pcmax-10log(4/3)dBm确定为终端设备基于码本(或非码本)传输支持的最大发送功率.In the case that the terminal device supports 4 radio frequency links, and the terminal device uses a codebook with a rank of 3 and each column includes a non-zero element for transmission, determine Pcmax -10log(4/3)dBm as the terminal device The maximum transmission power supported by codebook (or non-codebook) transmission.
以上结合图1详细描述了根据本发明实施例的确定上行发送功率的方法。下面将结合图2和图3详细描述根据本发明实施例的终端设备。The method for determining uplink transmission power according to the embodiment of the present invention has been described in detail above with reference to FIG. 1 . The terminal device according to the embodiment of the present invention will be described in detail below with reference to FIG. 2 and FIG. 3 .
图2是根据本发明实施例的终端设备的结构示意图。如图2所示出的，终端设备20包括：Fig. 2 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in Figure 2, the terminal device 20 includes:
第一处理模块21，用于在接收到功率分配指示信息的情况下，根据所述终端设备的能力、所述终端设备支持的射频链路的N个射频链路的相干特性和上行传输模式，确定上行发送功率，所述终端设备的能力由支持的射频链路的数量、支持的协议版本、以及支持的发送模式中的至少一种表征，N为大于1的正整数；The first processing module 21 is configured to, in the case of receiving the power allocation indication information, according to the capability of the terminal device, the coherence characteristics of the N radio frequency links and the uplink transmission mode of the radio frequency links supported by the terminal device, Determine the uplink transmission power, the capability of the terminal device is characterized by at least one of the number of supported radio frequency links, supported protocol versions, and supported transmission modes, and N is a positive integer greater than 1;
第二处理模块22，用于根据所述上行发送功率，确定上行发送天线端口上的发送功率。The second processing module 22 is configured to determine the transmit power on the uplink transmit antenna port according to the uplink transmit power.
可选地，作为一个实施例，所述第一处理模块21具体用于：根据所述终端设备的能力、所述终端设备支持的N个射频链路的相干特性和所述上行传输模式，确定功率调幅因子；根据所述功率调幅因子、基于功率控制公式确定的计算发送功率、非零天线端口的数量和传输总层数，确定所述上行发送功率。Optionally, as an embodiment, the first processing module 21 is specifically configured to: determine the A power amplitude modulation factor: determine the uplink transmit power according to the power amplitude modulation factor, calculated transmit power determined based on a power control formula, the number of non-zero antenna ports, and the total number of transmission layers.
可选地，作为一个实施例，第一处理模块21还用于：Optionally, as an embodiment, the first processing module 21 is also used for:
根据所述N、所述N个射频链路的相干特性和所述上行传输模式，确定所述上行传输模式支持的最大发送功率；Determine the maximum transmit power supported by the uplink transmission mode according to the N, the coherence characteristics of the N radio frequency links, and the uplink transmission mode;
其中，所述第二处理模块22具体用于：Wherein, the second processing module 22 is specifically used for:
根据所述上行发送功率和所述上行传输模式支持的最大发送功率，确定所述每个上行发送天线端口上的发送功率。Determine the transmit power on each uplink transmit antenna port according to the uplink transmit power and the maximum transmit power supported by the uplink transmission mode.
可选地，作为一个实施例，所述第一处理模块21具体用于：Optionally, as an embodiment, the first processing module 21 is specifically configured to:
在所述N个射频链路为非相干链路，且所述上行传输模式为单天线端口传输的情况下，将所述终端设备的最大发送功率Pcmax与10log(N)的第一差值，确定为所述上行传输模式支持的最大发送功率。When the N radio frequency links are non-coherent links, and the uplink transmission mode is single-antenna port transmission, the first difference between the maximum transmit power Pcmax of the terminal device and 10log(N) , to determine the maximum transmit power supported by the uplink transmission mode.
可选地，作为一个实施例，所述第二处理模块22具体用于：Optionally, as an embodiment, the second processing module 22 is specifically configured to:
将所述上行发送功率与所述第一差值中的较小值，确定为上行发送天线端口上的发送功率，所述单天线端口传输的发送数据映射至所述上行发送天线端口上。The smaller value of the uplink transmission power and the first difference is determined as the transmission power on the uplink transmission antenna port, and the transmission data transmitted by the single antenna port is mapped to the uplink transmission antenna port.
可选地，作为一个实施例，所述第一处理模块21具体用于：Optionally, as an embodiment, the first processing module 21 is specifically configured to:
在所述N个射频链路为全相干链路，且所述上行传输模式为单天线端口传输的情况下，将所述Pcmax确定为所述上行传输模式支持的最大发送功率。If the N radio frequency links are fully coherent links, and the uplink transmission mode is single-antenna port transmission, determine the Pcmax as the maximum transmit power supported by the uplink transmission mode.
可选地，作为一个实施例，所述第二处理模块22具体用于：Optionally, as an embodiment, the second processing module 22 is specifically configured to:
将所述上行发送功率与所述Pcmax中的较小值与N的比值，确定为N个上行发送天线端口中的每个上行发送天线端口上的发送功率，所述单天线端口传输的发送数据映射至所述N个上行发送天线端口上。Determining the ratio of the uplink transmit power and the smaller value of Pcmax to N as the transmit power on each of the N uplink transmit antenna ports, and the transmission of the single antenna port transmission The data is mapped to the N uplink sending antenna ports.
可选地，作为一个实施例，所述第一处理模块21具体用于：Optionally, as an embodiment, the first processing module 21 is specifically configured to:
在所述N个射频链路为部分相干链路，且所述上行传输模式为单天线端口传输的情况下，将所述Pcmax与10log(M)的第二差值确定为所述上行传输模式支持的最大发送功率，M为所述N个射频链路中部分相干的射频链路的集合数。When the N radio frequency links are partially coherent links, and the uplink transmission mode is single-antenna port transmission, determine the second difference between the Pcmax and 10log(M) as the uplink transmission The maximum transmission power supported by the mode, and M is the set number of partially coherent radio frequency links among the N radio frequency links.
可选地，作为一个实施例，所述第二处理模块22具体用于：Optionally, as an embodiment, the second processing module 22 is specifically configured to:
将所述上行发送功率与所述第二差值中的较小值与L的比值，确定为L个上行发送天线端口中的每个上行发送天线端口上的发送功率，所述单天线端口传输的发送数据映射至所述L个上行发送天线端口上，L为N与M的比值。determining the ratio of the smaller value of the uplink transmit power and the second difference to L as the transmit power on each uplink transmit antenna port in the L uplink transmit antenna ports, the single antenna port transmits The transmit data of is mapped to the L uplink transmit antenna ports, where L is the ratio of N to M.
可选地，作为一个实施例，所述第一处理模块21具体用于：Optionally, as an embodiment, the first processing module 21 is specifically configured to:
在所述N个射频链路为全相干链路，且所述上行传输模式为基于包括元素零的码本的传输的情况下，将终端设备的最大发送功率Pcmax确定为所述上行传输模式支持的最大发送功率。In the case where the N radio frequency links are fully coherent links, and the uplink transmission mode is based on a codebook including element zero transmission, determine the maximum transmission power Pcmax of the terminal device as the uplink transmission mode The maximum transmit power supported.
可选地，作为一个实施例，所述第二处理模块22具体用于：Optionally, as an embodiment, the second processing module 22 is specifically configured to:
将所述上行发送功率与所述Pcmax中的较小值与N的比值，确定为N个上行发送天线端口中的每个上行发送天线端口上的发送功率，所述码本中的非零元素对应的的数据映射至所述N个上行发送天线端口中与所述非零元素对应的上行发送天线端口以及与所述码本中的元素零对应的上行发送天线端口上。Determining the ratio of the uplink transmit power and the smaller value of Pcmax to N as the transmit power on each of the N uplink transmit antenna ports, and the non-zero value in the codebook The data corresponding to the element is mapped to the uplink transmit antenna port corresponding to the non-zero element and the uplink transmit antenna port corresponding to element zero in the codebook among the N uplink transmit antenna ports.
可选地，作为一个实施例，所述第一处理模块21具体用于：Optionally, as an embodiment, the first processing module 21 is specifically configured to:
在所述N个射频链路为部分相干链路，且所述上行传输模式为基于包括元素零的码本的传输的情况下，将所述Pcmax与10log(K)的第三差值确定为所述上行传输模式支持的最大发送功率，K为所述N个射频链路中部分相干的射频链路的集合数。In the case that the N radio frequency links are partially coherent links, and the uplink transmission mode is transmission based on a codebook including element zero, determine the third difference between the Pcmax and 10log(K) is the maximum transmit power supported by the uplink transmission mode, and K is the set number of partially coherent radio frequency links among the N radio frequency links.
可选地，作为一个实施例，所述第二处理模块22具体用于：Optionally, as an embodiment, the second processing module 22 is specifically configured to:
将所述上行发送功率与所述第三差值中的较小值与S的比值，确定为S个上行发送天线端口中的每个上行发送天线端口上的发送功率，所述码本中的非零元素对应的数据映射至所述P个上行发送天线端口中与所述非零元素对应的上行发送天线端口以及与所述码本中的元零素对应的上行发送天线端口上，S为N与K的比值。determining the ratio of the smaller value of the uplink transmit power and the third difference to S as the transmit power on each of the S uplink transmit antenna ports, and the The data corresponding to the non-zero element is mapped to the uplink transmit antenna port corresponding to the non-zero element and the uplink transmit antenna port corresponding to the zero element in the codebook among the P uplink transmit antenna ports, and S is The ratio of N to K.
可选地，作为一个实施例，如图3所示出的，终端设备20还包括Optionally, as an embodiment, as shown in FIG. 3 , the terminal device 20 further includes
收发模块23，用于接收无线资源控制RRC消息，所述RRC消息中包括所述功率分配指示信息；或，A transceiver module 23, configured to receive a radio resource control RRC message, where the RRC message includes the power allocation indication information; or,
接收下行控制信息DCI，所述DCI中包括所述功率分配指示信息。Receive downlink control information DCI, where the DCI includes the power allocation indication information.
可选地，作为一个实施例，所述第一处理模块21还用于：根据基于RRC消息配置的探测参考信号SRS资源集合或SRS资源，确定是否接收到所述功率分配指示信息。Optionally, as an embodiment, the first processing module 21 is further configured to: determine whether the power allocation indication information is received according to a Sounding Reference Signal SRS resource set or SRS resource configured based on an RRC message.
根据本发明实施例的终端设备可以参照对应本发明实施例的图1所示的方法的流程，并且，该终端设备中的各个单元/模块和上述其他操作和/或功能分别为了实现图1所示的方法中的相应流程，为了简洁，在此不再赘述。For a terminal device according to an embodiment of the present invention, reference may be made to the flow of the method shown in FIG. For the sake of brevity, the corresponding process in the method shown is not repeated here.
图4示出了根据本发明另一实施例的终端设备的结构示意图，如图4所示，终端设备400包括：至少一个处理器410、存储器420、至少一个网络接口430和用户接口440。终端设备400中的各个组件通过总线系统450耦合在一起。可理解，总线系统450用于实现这些组件之间的连接通信。总线系统450除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图4中将各种总线都标为总线系统450。FIG. 4 shows a schematic structural diagram of a terminal device according to another embodiment of the present invention. As shown in FIG. Various components in the
其中，用户接口440可以包括显示器、键盘或者点击设备(例如，鼠标，轨迹球(trackball)、触感板或者触摸屏等。Wherein, the
可以理解，本发明实施例中的存储器420可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data RateSDRAM，DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synclink DRAM，SLDRAM)和直接内存总线随机存取存储器(DirectRambus RAM，DRRAM)。本发明实施例描述的系统和方法的存储器420旨在包括但不限于这些和任意其它适合类型的存储器。It can be understood that the
在一些实施方式中，存储器420存储了如下的元素，可执行模块或者数据结构，或者他们的子集，或者他们的扩展集：操作系统421和应用程序422。In some implementations, the
其中，操作系统421，包含各种系统程序，例如框架层、核心库层、驱动层等，用于实现各种基础业务以及处理基于硬件的任务。应用程序422，包含各种应用程序，例如媒体播放器(Media Player)、浏览器(Browser)等，用于实现各种应用业务。实现本发明实施例方法的程序可以包含在应用程序422中。Among them, the
在本发明实施例中，终端设备400还包括：存储在存储器上420并可在处理器410上运行的计算机程序，计算机程序被处理器410执行时实现上述图4所述的方法的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。In the embodiment of the present invention, the
上述本发明实施例揭示的方法可以应用于处理器410中，或者由处理器410实现。处理器410可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器410中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器410可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(FieldProgrammable Gate Array，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。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。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。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译码处理器执行完成，或者用译码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计算机可读存储介质中。该计算机可读存储介质位于存储器420，处理器410读取存储器420中的信息，结合其硬件完成上述方法的步骤。具体地，该计算机可读存储介质上存储有计算机程序，计算机程序被处理器410执行时实现如上述图1所示的方法实施例的各步骤。The methods disclosed in the foregoing embodiments of the present invention may be applied to the
可以理解的是，本发明实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital SignalProcessing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(ProgrammableLogic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本发明所述功能的其它电子单元或其组合中。It can be understood that the embodiments described in the embodiments of the present invention may be implemented by hardware, software, firmware, middleware, microcode or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing device (DSP Device, DSPD), programmable logic Equipment (ProgrammableLogic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, other electronic units for performing the functions described in the present invention or a combination thereof.
对于软件实现，可通过执行本发明实施例所述功能的模块(例如过程、函数等)来实现本发明实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。For software implementation, the techniques described in the embodiments of the present invention may be implemented through modules (such as procedures, functions, etc.) that execute the functions described in the embodiments of the present invention. Software codes can be stored in memory and executed by a processor. Memory can be implemented within the processor or external to the processor.
本发明实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现上述图1所述的方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等。The embodiment of the present invention also provides a computer-readable storage medium. A computer program is stored on the computer-readable storage medium. When the computer program is executed by a processor, each process of the above-mentioned method embodiment described in FIG. 1 is implemented, and can achieve The same technical effects are not repeated here to avoid repetition. Wherein, the computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk or an optical disk, and the like.
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本发明各个实施例所述的方法。Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products are stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in various embodiments of the present invention.
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本发明的保护之内。Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, without departing from the gist of the present invention and the protection scope of the claims, many forms can also be made, all of which belong to the protection of the present invention.
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