CN111148201B

CN111148201B - Data transmission method and device

Info

Publication number: CN111148201B
Application number: CN201811303563.2A
Authority: CN
Inventors: 黎超; 刘哲; 张兴炜
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2021-12-28
Anticipated expiration: 2038-11-02
Also published as: WO2020087977A1; CN111148201A

Abstract

The embodiment of the application provides a data transmission method and equipment. The data transmission method comprises the following steps: the first device determines the transmission power of the first device on the side link according to the side link power parameter, and the first device uses the transmission power of the first device to send data to the M second devices. In the data transmission method and device provided by the embodiment of the application, the first device determines the transmitting power of the first device on the side link according to the side link power parameter, and transmits data by using the transmitting power of the first device on the side link, so that the interference of the excessive transmitting power when the first device transmits data to the uplink data reception of the network device is avoided.

Description

Data transmission method and device

技术领域technical field

本申请涉及通信领域，尤其涉及一种数据传输方法和设备。The present application relates to the field of communications, and in particular, to a data transmission method and device.

背景技术Background technique

在通信系统中，除了网络设备(如基站)与终端设备之间的通信，还包括终端设备与终端设备的通信，称为边链路(Sidelink)通信。边链路通信中的数据传输不经过网络设备的转发，不但节省了无线频谱资源，而且降低了核心网的数据传输压力，能够减少通信系统资源占用，并提高蜂窝通信系统频谱效率。In a communication system, in addition to the communication between a network device (such as a base station) and a terminal device, it also includes the communication between the terminal device and the terminal device, which is called side link (Sidelink) communication. The data transmission in side link communication is not forwarded by network equipment, which not only saves wireless spectrum resources, but also reduces the data transmission pressure on the core network, which can reduce the occupation of communication system resources and improve the spectral efficiency of cellular communication systems.

边链路通信和蜂窝链路通信使用同一个载波上的不同频率，终端设备在边链路上传输的数据，可以在蜂窝链路所属的载波上传输，因此终端设备在边链路上的传输的带外泄露会干扰到网络设备的上行接收。The side link communication and the cellular link communication use different frequencies on the same carrier. The data transmitted by the terminal equipment on the side link can be transmitted on the carrier to which the cellular link belongs. Therefore, the terminal equipment transmits on the side link. The out-of-band leakage will interfere with the uplink reception of network equipment.

为控制终端设备在边链路上的发射功率，以避免有边链路上发送的信号会干扰到网络设备的信号接收，特别地，对于单播和组播场景下，如何给终端设备的发射机确定一个合理的发射功率，以避免边链路上的传输对网络设备接收机的影响是一个需要解决的问题。In order to control the transmit power of the terminal equipment on the side link, so as to prevent the signal sent on the side link from interfering with the signal reception of the network equipment, especially in the unicast and multicast scenarios, how to transmit to the terminal equipment It is a problem that needs to be solved to determine a reasonable transmit power for the machine to avoid the influence of the transmission on the side link to the receiver of the network equipment.

发明内容SUMMARY OF THE INVENTION

本申请提供一种数据传输方法和设备，解决了现有功率控制方法仅针对边链路上的广播形式的传输的问题。The present application provides a data transmission method and device, which solves the problem that the existing power control method is only aimed at the transmission in the form of broadcast on the side link.

本申请第一方面提供一种数据传输方法，包括：A first aspect of the present application provides a data transmission method, including:

第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率；边链路功率参数包括如下中的至少一项：第一设备与网络设备之间的第一功率参数、M个第二设备与网络设备之间的第二功率参数、第一设备与M个第二设备间的配置发射功率值，其中M为不小于1的正整数；第一设备使用第一设备的发射功率向M个第二设备发送数据。The first device determines the transmit power of the first device on the side link according to the side link power parameter; the side link power parameter includes at least one of the following: a first power parameter between the first device and the network device, The second power parameter between the M second devices and the network device, and the configured transmit power value between the first device and the M second devices, where M is a positive integer not less than 1; the first device uses the first device's The transmit power transmits data to the M second devices.

第一设备根据边链路功率参数确定第一设备在边链路上的发射功率，并采用第一设备在边链路上的发射功率发送数据，避免了第一设备发送数据时发射功率过大对网络设备的上行数据接收的干扰。The first device determines the transmit power of the first device on the side link according to the side link power parameter, and uses the transmit power of the first device on the side link to send data, so as to avoid excessive transmit power when the first device sends data Interference with uplink data reception of network equipment.

在一种可行的实现方式中，第一功率参数为第一设备与网络设备之间的第一路损，或者，根据第一路损获取的第一功率；M个第二设备中的一个第二设备的第二功率参数为第二设备与网络设备之间的第二路损，或者，根据第二路损获取的第二功率。In a feasible implementation manner, the first power parameter is the first path loss between the first device and the network device, or the first power obtained according to the first path loss; one of the M second devices is the first power The second power parameter of the second device is the second path loss between the second device and the network device, or the second power obtained according to the second path loss.

在一种可行的实现方式中，边链路功率参数包括第一功率参数，第一功率参数为第一功率，第一设备的发射功率不大于第一功率。In a feasible implementation manner, the side link power parameter includes a first power parameter, the first power parameter is the first power, and the transmit power of the first device is not greater than the first power.

通过控制第一设备的发射功率不大于第一功率，缓解了边链路上数据传输对蜂窝链路上网络设备的上行接收的干扰。By controlling the transmit power of the first device not to be greater than the first power, the interference of data transmission on the side link to the uplink reception of the network device on the cellular link is alleviated.

在一种可行的实现方式中，边链路功率参数还包括M个第二功率参数，第二功率参数为第二功率，第一设备的发射功率不大于第一功率参数和M个第二功率中的至少一个。In a feasible implementation manner, the side link power parameter further includes M second power parameters, the second power parameter is the second power, and the transmit power of the first device is not greater than the first power parameter and the M second power parameters at least one of the.

通过控制第一设备的发射功率不大于第一功率，以及M个第二发送功率，进一步缓解了边链路上数据传输对蜂窝链路上网络设备的上行接收的干扰。By controlling the transmit power of the first device not to be greater than the first power and the M second transmit powers, the interference of data transmission on the side link to the uplink reception of the network device on the cellular link is further alleviated.

在一种可行的实现方式中，第一设备的发射功率为第一功率和M个第二功率中的最小值。In a feasible implementation manner, the transmit power of the first device is the minimum value of the first power and the M second powers.

在一种可行的实现方式中，边链路功率参数包括第一功率参数，第一功率参数为第一设备与网络设备之间的第一路损，第一设备的发射功率不大于根据第一路损获取的第一功率。In a feasible implementation manner, the side link power parameter includes a first power parameter, the first power parameter is the first path loss between the first device and the network device, and the transmit power of the first device is not greater than that according to the first The first power obtained by the path loss.

在一种可行的实现方式中，边链路功率参数还包括M个第二功率参数，M个第二设备中的一个第二设备的第二功率参数为第二设备与网络设备之间的第二路损，第一设备的发射功率不大于根据第一路损获取的第一功率，以及根据M个第二路损获取的M个第二功率。In a feasible implementation manner, the side link power parameter further includes M second power parameters, and the second power parameter of one second device among the M second devices is the first power parameter between the second device and the network device. With two path losses, the transmit power of the first device is not greater than the first power obtained according to the first path loss, and the M second powers obtained according to the M second path losses.

在一种可行的实现方式中，第一设备与M个第二设备的开环功率参数相同，第一设备和M个第二设备分别与网络设备之间的路损补偿因子相同，第一设备的发射功率为根据第一路损和M个第二路损中的最小路损获取的发射功率。In a feasible implementation manner, the open-loop power parameters of the first device and the M second devices are the same, and the path loss compensation factors between the first device and the M second devices and the network device are the same, and the first device and the M second devices have the same path loss compensation factor. The transmit power is the transmit power obtained according to the minimum path loss among the first path loss and the M second path losses.

在一种可行的实现方式中，第一功率根据开环功率参数、第一路损、第一设备与网络设备的路损补偿因子和第一设备的传输带宽确定。In a feasible implementation manner, the first power is determined according to an open-loop power parameter, a first path loss, a path loss compensation factor between the first device and the network device, and a transmission bandwidth of the first device.

在一种可行的实现方式中，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率，包括：In a feasible implementation manner, the side link power parameter includes a configured transmit power value between the first device and the M second devices, and the first device determines the first device on the side link according to the side link power parameter transmit power, including:

第一设备确定配置发射功率值为第一设备的发射功率。The first device determines that the configured transmit power value is the transmit power of the first device.

在一种可行的实现方式中，第一设备与M个第二设备之间的边链路上的配置发射功率值相同；配置发射功率值通过信令接收或预配置或预定义。In a feasible implementation manner, the configured transmit power values on the side links between the first device and the M second devices are the same; the configured transmit power values are received or preconfigured or predefined through signaling.

第一设备将第三功率和配置发射功率中的最大值作为第一设备的发射功率，第三功率为第一设备根据第一设备与M个第二设备之间的边链路的路损确定的功率。The first device takes the maximum value of the third power and the configured transmit power as the transmit power of the first device, where the third power is determined by the first device according to the path loss of the side links between the first device and the M second devices of power.

在一种可行的实现方式中，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率，包括：In a feasible implementation manner, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the first device determines the first device on the side link according to the side link power parameter. The transmit power of the device, including:

在配置发射功率值不大于第一功率时，第一设备确定配置发射功率值为第一设备的发射功率。When the configured transmit power value is not greater than the first power, the first device determines that the configured transmit power value is the transmit power of the first device.

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率，第一设备确定配置发射功率值为第一设备的发射功率，包括：In a feasible implementation manner, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the configured transmit power value is not greater than the first power , the first device determines that the configured transmit power value is the transmit power of the first device, including:

第一设备的边链路的路损不大于第一设备与网络设备之间的第一路损，第一设备确定配置发射功率值为第一设备的发射功率；The path loss of the side link of the first device is not greater than the first path loss between the first device and the network device, and the first device determines that the configured transmit power value is the transmit power of the first device;

其中，功率控制参数包括开环功率参数和路损补偿因子。The power control parameters include open-loop power parameters and path loss compensation factors.

配置发射功率值不大于第一功率和M个第二功率，第一设备确定配置发射功率值为第一设备的发射功率。The configured transmit power value is not greater than the first power and M second powers, and the first device determines that the configured transmit power value is the transmit power of the first device.

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数，以及M个第二设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率和M个第二功率，第一设备确定配置发射功率值为第一设备的发射功率，包括：In a feasible implementation manner, the power control parameters of the side link of the first device, the power control parameters of the communication link between the first device and the network device, and the power control parameters of the M second devices and the network device The power control parameters of the communication links between the two devices are the same, the configured transmit power value is not greater than the first power and M second powers, and the first device determines that the configured transmit power value is the transmit power of the first device, including:

第一设备的边链路的路损不大于第一设备与网络设备之间的第一路损，以及，M个第二设备与网络设备之间的第二路损，第一设备确定配置发射功率值为第一设备的发射功率；The path loss of the side link of the first device is not greater than the first path loss between the first device and the network device, and the second path loss between the M second devices and the network device, and the first device determines to configure the transmission The power value is the transmit power of the first device;

配置发射功率值大于第一功率，第一设备将第一功率或者第三功率，作为边链路上的第一设备的发射功率；或者，The configured transmit power value is greater than the first power, and the first device uses the first power or the third power as the transmit power of the first device on the side link; or,

第一设备将不大于第一功率的第四功率作为第一设备的发射功率；或者，The first device uses the fourth power not greater than the first power as the transmit power of the first device; or,

第一设备将不大于第一功率，且不小于第三功率的第五功率作为第一设备的发射功率；The first device uses the fifth power that is not greater than the first power and not less than the third power as the transmit power of the first device;

其中，第三功率根据第一设备与M个第二设备的边链路的路损补偿因子、第一设备的传输带宽、第一设备与M个第二设备的边链路的路损，以及开环功率参数确定。wherein the third power is based on the path loss compensation factor of the side links between the first device and the M second devices, the transmission bandwidth of the first device, the path loss of the side links between the first device and the M second devices, and Open loop power parameters are determined.

配置发射功率值大于第一功率或M个第二功率，第一设备将第一功率和M个第二功率中的最小值，或者，第三功率，作为边链路上的第一设备的发射功率；或者，Configure the transmit power value to be greater than the first power or the M second powers, and the first device uses the minimum of the first power and the M second powers, or the third power, as the transmit power of the first device on the side link power; or,

第一设备将不大于第一功率和M个第二功率的第六功率作为第一设备的发射功率；或者，The first device uses the sixth power not greater than the first power and the M second powers as the transmit power of the first device; or,

第一设备将不小于第三功率，且不大于第一功率和M个第二功率的第七功率作为第一设备的发射功率；The first device uses a seventh power that is not less than the third power and is not greater than the first power and the M second powers as the transmit power of the first device;

在一种可行的实现方式中，第一设备的发射功率不小于第三功率；In a feasible implementation manner, the transmit power of the first device is not less than the third power;

第三功率根据第一设备与M个第二设备的边链路的路损补偿因子、第一设备的传输带宽、第一设备与M个第二设备的边链路的路损，以及开环功率参数确定。The third power is based on the path loss compensation factor of the side links between the first device and the M second devices, the transmission bandwidth of the first device, the path loss of the side links between the first device and the M second devices, and the open loop The power parameters are determined.

在一种可行的实现方式中，第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率之前，数据传输方法还包括：In a feasible implementation manner, before the first device determines the transmit power of the first device on the side link according to the side link power parameter, the data transmission method further includes:

第一设备确定满足第一规则中的至少一项；第一规则包括：The first device determines that at least one of the first rules is satisfied; the first rules include:

第三功率不大于第一功率；或，The third power is not greater than the first power; or,

第三功率不大于第二功率；The third power is not greater than the second power;

第三功率为第一设备根据第一设备与M个第二设备之间的边链路的路损确定的功率。The third power is the power determined by the first device according to path losses of side links between the first device and the M second devices.

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率之前，数据传输方法还包括：In a feasible implementation manner, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device. , before determining the transmit power of the first device on the side link, the data transmission method further includes:

第一设备确定满足第二规则中的至少一项；第二规则包括：The first device determines that at least one of the second rules is satisfied; the second rules include:

第一设备与M个第二设备边链路的路损不大于第一设备与网络设备之间的第一路损；或，The path loss of the side links between the first device and the M second devices is not greater than the first path loss between the first device and the network device; or,

第一设备与M个第二设备边链路的路损不大于M个第二设备与网络设备之间的第二路损。The path loss of the side link between the first device and the M second devices is not greater than the second path loss between the M second devices and the network device.

第一设备接收M个第二设备发送的各第二设备的第二功率参数的指示信息；或者，The first device receives the indication information of the second power parameter of each second device sent by the M second devices; or,

第一设备接收网络设备发送的M个第二设备的第二功率参数的指示信息。The first device receives the indication information of the second power parameters of the M second devices sent by the network device.

在一种可行的实现方式中，数据传输方法还包括：In a feasible implementation manner, the data transmission method further includes:

第一设备向M个第二设备和/或网络设备发送第一功率参数的指示信息。The first device sends the indication information of the first power parameter to the M second devices and/or the network device.

第一设备向M个第二设备和/或网络设备发送第三功率的指示信息。The first device sends the indication information of the third power to the M second devices and/or the network device.

第一设备向M个第二设备和/或网络设备发送第一设备与M个第二设备的边链路的路损的指示信息。The first device sends the indication information of the path loss of the side link between the first device and the M second devices to the M second devices and/or the network device.

第一设备向M个第二设备和/或网络设备发送第一功率余量报告；The first device sends a first power headroom report to the M second devices and/or network devices;

第一功率余量报告中携带有第一功率参数的指示信息，第一功率余量报告由将第一设备的第一功率作为第一设备的发射功率生成。The first power headroom report carries indication information of the first power parameter, and the first power headroom report is generated by taking the first power of the first device as the transmit power of the first device.

第一设备接收M个第二设备各自发送的M个第二功率余量报告，或者，第一设备接收网络设备发送的M个第二设备的第二功率余量报告；The first device receives M second power headroom reports sent by each of the M second devices, or the first device receives the second power headroom reports of the M second devices sent by the network device;

任一第二设备的第二功率余量报告中携带有第二设备的第二功率参数的指示信息，第二功率余量报告由将第二设备的第二功率作为第二设备的发射功率生成。The second power headroom report of any second device carries indication information of the second power parameter of the second device, and the second power headroom report is generated by using the second power of the second device as the transmit power of the second device .

第一设备向网络设备发送第三功率余量报告；The first device sends a third power headroom report to the network device;

第三功率余量报告中携带有第三功率的指示信息，第三功率余量报告由将第一设备在边链路的第三功率作为第一设备的发射功率生成。The third power headroom report carries indication information of the third power, and the third power headroom report is generated by using the third power of the first device on the side link as the transmit power of the first device.

在一种可行的实现方式中，第一设备的发射功率不大于第一设备的预设最大发射功率。In a feasible implementation manner, the transmit power of the first device is not greater than the preset maximum transmit power of the first device.

在一种可行的实现方式中，预设最大发射功率包括如下中的至少一项：In a feasible implementation manner, the preset maximum transmit power includes at least one of the following:

第一设备的最大可用的发射功率；或，the maximum available transmit power of the first device; or,

第一设备允许的最大发射功率；或，the maximum transmit power allowed by the first device; or,

第一设备在当前子帧上所有的载波上的最大发射功率或最大可用的发射功率；或，the maximum transmit power or the maximum available transmit power of the first device on all carriers in the current subframe; or,

第一设备在当前子帧上当前载波上的最大发射功率或最大可用的发射功率；或，the maximum transmit power or the maximum available transmit power of the first device on the current carrier in the current subframe; or,

网络设备为第一设备的当前控制/数据信道上配置的最大发射功率；或，The network device is the maximum transmit power configured on the current control/data channel of the first device; or,

网络设备为第一设备配置的最大发射功率。The maximum transmit power configured by the network device for the first device.

在一种可行的实现方式中，第一设备使用第一设备的发射功率向M个第二设备发送数据，包括：In a feasible implementation manner, the first device uses the transmit power of the first device to send data to M second devices, including:

M为1，第一设备以单播形式，使用第一设备的发射功率向M个第二设备发送数据；或，M is 1, and the first device uses the transmit power of the first device to send data to M second devices in a unicast form; or,

M大于1，第一设备以组播或广播形式，使用第一设备的发射功率向M个第二设备发送数据。If M is greater than 1, the first device sends data to M second devices by using the transmit power of the first device in the form of multicast or broadcast.

在一种可行的实现方式中，第一设备在同一时刻存在至少两个通过边链路向M个第二设备发送数据的传输，边链路的传输方式包括如下中的至少两种：单播、组播和广播，至少两个传输的传输方式相同或不同。In a feasible implementation manner, the first device has at least two transmissions that send data to M second devices through side links at the same time, and the transmission methods of the side links include at least two of the following: unicast , multicast and broadcast, at least two transmissions in the same or different transmission modes.

在一种可行的实现方式中，第一设备使用第一设备的发射功率向M个第二设备发送数据之前，数据传输方法还包括：In a feasible implementation manner, before the first device sends data to the M second devices by using the transmit power of the first device, the data transmission method further includes:

第一设备确定在各传输的发射功率之和不大于第一设备的第八功率，第八功率为如下中的任一项：The first device determines that the sum of the transmit powers in each transmission is not greater than the eighth power of the first device, and the eighth power is any one of the following:

第一设备与M个第二设备间的配置发射功率值、第一功率、第二功率或预设最大发射功率。The configuration transmit power value, the first power, the second power or the preset maximum transmit power between the first device and the M second devices.

在一种可行的实现方式中，第一设备在各传输下的发射功率之和大于第一设备的第八功率，第一设备使用第一设备的发射功率向M个第二设备发送数据之前，数据传输方法还包括：In a feasible implementation manner, the sum of the transmit power of the first device in each transmission is greater than the eighth power of the first device, and before the first device uses the transmit power of the first device to send data to M second devices, Data transfer methods also include:

第一设备根据各传输的优先级和边链路功率参数，调整第一设备在各传输下的发射功率；或者，The first device adjusts the transmit power of the first device under each transmission according to the priority of each transmission and the side link power parameter; or,

第一设备按照各传输的优先级从低到高的顺序确定发射功率为0的传输，以及发射功率不为0的传输对应的发射功率，第一设备丢弃发送发射功率为0的传输；或者，The first device determines, according to the priority of each transmission from low to high, the transmissions with the transmit power of 0 and the transmit powers corresponding to the transmissions with the transmit power of not 0, and the first device discards the transmissions with the transmit power of 0; or,

第一设备按照预设比例将第二功率分配给各种传输，确定第一设备在各传输下的发射功率；或者，The first device allocates the second power to various transmissions according to a preset ratio, and determines the transmit power of the first device under each transmission; or,

第一设备根据各传输对应的信道的拥塞等级和边链路功率参数，确定第一设备在各传输下的发射功率；或者，The first device determines the transmit power of the first device under each transmission according to the congestion level and side link power parameter of the channel corresponding to each transmission; or,

第一设备按照预定义的规则确定各传输的功率配置/丢弃次序，第一设备根据各传输的功率配置/丢弃次序，确定丢弃的传输以及未丢弃的传输的发射功率；或者，The first device determines the power configuration/discarding order of each transmission according to a predefined rule, and the first device determines the transmission power of the discarded transmission and the transmission that is not discarded according to the power configuration/discarding order of each transmission; or,

第一设备按照预定义的规则确定各传输的发送次序，第一设备根据各传输的发送次序，确定第一设备在各传输下的发射功率。The first device determines the transmission order of each transmission according to a predefined rule, and the first device determines the transmit power of the first device in each transmission according to the transmission order of each transmission.

在一种可行的实现方式中，第一设备使用第一设备的发射功率在蜂窝链路所在的载波上向M个第二设备发送数据，蜂窝链路为终端设备与网络设备进行通信的链路。In a feasible implementation manner, the first device uses the transmit power of the first device to send data to M second devices on the carrier where the cellular link is located, and the cellular link is a link between the terminal device and the network device for communication .

其中，终端数为第一设备或M个第二设备。The number of terminals is the first device or M second devices.

本申请第二方面提供一种数据传输设备，用于执行上述第一方面的数据传输方法，具有相同的技术效果。A second aspect of the present application provides a data transmission device for executing the data transmission method of the above-mentioned first aspect, which has the same technical effect.

本申请第二方面提供的数据传输设备，作为第一设备，包括：The data transmission device provided in the second aspect of the present application, as the first device, includes:

获取模块，用于根据边链路功率参数，确定边链路上的第一设备的发射功率；边链路功率参数包括如下中的至少一项：第一设备与网络设备之间的第一功率参数、M个第二设备与网络设备之间的第二功率参数、第一设备与M个第二设备间的配置发射功率值，其中M为不小于1的正整数；an acquisition module, configured to determine the transmit power of the first device on the side link according to the side link power parameter; the side link power parameter includes at least one of the following: the first power between the first device and the network device parameters, the second power parameter between the M second devices and the network device, and the configured transmit power value between the first device and the M second devices, where M is a positive integer not less than 1;

发送模块，用于使用第一设备的发射功率向M个第二设备发送数据。A sending module, configured to send data to the M second devices using the transmit power of the first device.

在一种可行的实现方式中，第一设备与M个第二设备的开环功率参数相同，第一设备和M个第二设备分别与网络设备之间的路损补偿因子相同，第一设备的发射功率为根据第一路损和M个第二路损中的最小路损获取的发射功率。In a feasible implementation manner, the open-loop power parameters of the first device and the M second devices are the same, and the path loss compensation factors between the first device and the M second devices and the network device are the same, and the first device and the M second devices have the same path loss compensation factor. The transmit power is the transmit power obtained according to the smallest path loss among the first path loss and the M second path losses.

在一种可行的实现方式中，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，获取模块具体用于，确定配置发射功率值为第一设备的发射功率。In a feasible implementation manner, the side link power parameter includes a configured transmit power value between the first device and the M second devices, and the obtaining module is specifically configured to determine the configured transmit power value as the transmit power of the first device.

在一种可行的实现方式中，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，获取模块具体用于，将第三功率和配置发射功率中的最大值作为第一设备的发射功率，第三功率为第一设备根据第一设备与M个第二设备之间的边链路的路损确定的功率。In a feasible implementation manner, the side link power parameter includes a configured transmit power value between the first device and the M second devices, and the obtaining module is specifically configured to use the maximum value of the third power and the configured transmit power as the value of the configured transmit power. The transmit power of the first device, and the third power is the power determined by the first device according to path losses of side links between the first device and the M second devices.

在一种可行的实现方式中，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，获取模块具体用于，确定配置发射功率值为第一设备的发射功率；In a feasible implementation manner, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the acquiring module is specifically configured to determine the configured transmit power value as the transmit power of the first device ;

其中，配置发射功率值不大于第一功率。The configured transmit power value is not greater than the first power.

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率，获取模块具体用于，确定配置发射功率值为第一设备的发射功率；In a feasible implementation manner, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the configured transmit power value is not greater than the first power , and the obtaining module is specifically used to determine that the configured transmit power value is the transmit power of the first device;

其中，第一设备的边链路的路损不大于第一设备与网络设备之间的第一路损，功率控制参数包括开环功率参数和路损补偿因子。Wherein, the path loss of the side link of the first device is not greater than the first path loss between the first device and the network device, and the power control parameter includes an open-loop power parameter and a path loss compensation factor.

在一种可行的实现方式中，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，获取模块具体用于，确定配置发射功率值为第一设备的发射功率，其中，配置发射功率值不大于第一功率和M个第二功率。In a feasible implementation manner, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the acquiring module is specifically configured to determine the configured transmit power value as the transmit power of the first device , where the configured transmit power value is not greater than the first power and M second powers.

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数，以及M个第二设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率和M个第二功率，获取模块具体用于，确定配置发射功率值为第一设备的发射功率；In a feasible implementation manner, the power control parameters of the side link of the first device, the power control parameters of the communication link between the first device and the network device, and the power control parameters of the M second devices and the network device The power control parameters of the communication links between the two are the same, the configured transmit power value is not greater than the first power and the M second powers, and the acquisition module is specifically used to determine the configured transmit power value as the transmit power of the first device;

其中，第一设备的边链路的路损不大于第一设备与网络设备之间的第一路损，以及，M个第二设备与网络设备之间的第二路损，功率控制参数包括开环功率参数和路损补偿因子。Wherein, the path loss of the side link of the first device is not greater than the first path loss between the first device and the network device, and the second path loss between the M second devices and the network device, and the power control parameters include: Open loop power parameters and path loss compensation factors.

在一种可行的实现方式中，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，获取模块具体用于，In a feasible implementation manner, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the obtaining module is specifically used to:

将第一功率或者第三功率，作为边链路上的第一设备的发射功率；或者，Take the first power or the third power as the transmit power of the first device on the side link; or,

将不大于第一功率的第四功率作为第一设备的发射功率；或者，Use the fourth power not greater than the first power as the transmit power of the first device; or,

将不大于第一功率，且不小于第三功率的第五功率作为第一设备的发射功率；Taking the fifth power that is not greater than the first power and not less than the third power as the transmit power of the first device;

其中，配置发射功率值大于第一功率，第三功率根据第一设备与M个第二设备的边链路的路损补偿因子、第一设备的传输带宽、第一设备与M个第二设备的边链路的路损，以及开环功率参数确定。The configured transmit power value is greater than the first power, and the third power is based on the path loss compensation factor of the side link between the first device and the M second devices, the transmission bandwidth of the first device, the first device and the M second devices. The path loss of the side link, and the open-loop power parameters are determined.

将第一功率和M个第二功率中的最小值，或者，第三功率，作为边链路上的第一设备的发射功率；或者，Taking the minimum value of the first power and the M second powers, or the third power, as the transmit power of the first device on the side link; or,

将不大于第一功率和M个第二功率的第六功率作为第一设备的发射功率；或者，Taking the sixth power not greater than the first power and the M second powers as the transmit power of the first device; or,

将不小于第三功率，且不大于第一功率和M个第二功率的第七功率作为第一设备的发射功率；Taking the seventh power that is not less than the third power and not greater than the first power and the M second powers as the transmit power of the first device;

其中，配置发射功率值大于第一功率或M个第二功率，第三功率根据第一设备与M个第二设备的边链路的路损补偿因子、第一设备的传输带宽、第一设备与M个第二设备的边链路的路损，以及开环功率参数确定。The configured transmit power value is greater than the first power or M second powers, and the third power is based on the path loss compensation factor of the side link between the first device and the M second devices, the transmission bandwidth of the first device, the first device The path loss of the side links with the M second devices, and the open loop power parameters are determined.

在一种可行的实现方式中，数据传输设备还包括：In a feasible implementation manner, the data transmission device further includes:

检测模块，用于确定满足第一规则中的至少一项；第一规则包括：A detection module, configured to determine that at least one of the first rules is satisfied; the first rules include:

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，检测模块还用于，In a feasible implementation manner, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the detection module is further configured to:

确定满足第二规则中的至少一项；第二规则包括：It is determined that at least one of the second rule is satisfied; the second rule includes:

接收模块，用于接收M个第二设备发送的各第二设备的第二功率参数的指示信息；或者，a receiving module, configured to receive the indication information of the second power parameter of each second device sent by the M second devices; or,

接收网络设备发送的M个第二设备的第二功率参数的指示信息。Receive indication information of the second power parameters of the M second devices sent by the network device.

在一种可行的实现方式中，发送模块还用于，向M个第二设备和/或网络设备发送第一功率参数的指示信息。In a feasible implementation manner, the sending module is further configured to send the indication information of the first power parameter to the M second devices and/or network devices.

在一种可行的实现方式中，发送模块还用于，向M个第二设备和/或网络设备发送第三功率的指示信息。In a feasible implementation manner, the sending module is further configured to send the indication information of the third power to the M second devices and/or network devices.

在一种可行的实现方式中，发送模块还用于，向M个第二设备和/或网络设备发送第一设备与M个第二设备的边链路的路损的指示信息。In a feasible implementation manner, the sending module is further configured to send, to the M second devices and/or network devices, the indication information of the path loss of the side link between the first device and the M second devices.

在一种可行的实现方式中，发送模块还用于，向M个第二设备和/或网络设备发送第一功率余量报告；In a feasible implementation manner, the sending module is further configured to send the first power headroom report to the M second devices and/or network devices;

在一种可行的实现方式中，接收模块还用于，接收M个第二设备各自发送的M个第二功率余量报告，或者，第一设备接收网络设备发送的M个第二设备的第二功率余量报告；In a feasible implementation manner, the receiving module is further configured to receive M second power headroom reports sent by each of the M second devices, or the first device receives the first power headroom report of the M second devices sent by the network device. Two power headroom report;

在一种可行的实现方式中，发送模块还用于，向网络设备发送第三功率余量报告；In a feasible implementation manner, the sending module is further configured to send a third power headroom report to the network device;

在一种可行的实现方式中，发送模块具体用于，以单播形式，使用第一设备的发射功率向M个第二设备发送数据，M为1；或，In a feasible implementation manner, the sending module is specifically configured to, in a unicast form, use the transmit power of the first device to send data to M second devices, where M is 1; or,

以组播或广播形式，使用第一设备的发射功率向M个第二设备发送数据，M大于1。In the form of multicast or broadcast, the transmission power of the first device is used to send data to M second devices, where M is greater than 1.

在一种可行的实现方式中，检测模块还用于，确定在各传输的发射功率之和不大于第一设备的第八功率，第八功率为如下中的任一项：In a feasible implementation manner, the detection module is further configured to determine that the sum of the transmit power in each transmission is not greater than the eighth power of the first device, where the eighth power is any one of the following:

在一种可行的实现方式中，第一设备在各传输下的发射功率之和大于第一设备的第八功率，数据传输设备还包括调整模块，用于In a feasible implementation manner, the sum of the transmit power of the first device under each transmission is greater than the eighth power of the first device, and the data transmission device further includes an adjustment module for

根据各传输的优先级和边链路功率参数，调整第一设备在各传输下的发射功率；或者，Adjust the transmit power of the first device under each transmission according to the priority of each transmission and the side link power parameter; or,

按照各传输的优先级从低到高的顺序确定发射功率为0的传输，以及发射功率不为0的传输对应的发射功率，第一设备丢弃发送发射功率为0的传输；或者，According to the priority of each transmission from low to high, determine the transmission with the transmit power of 0 and the transmit power corresponding to the transmission with the transmit power of not 0, and the first device discards the transmission with the transmit power of 0; or,

按照预设比例将第二功率分配给各种传输，确定第一设备在各传输下的发射功率；或者，Allocate the second power to various transmissions according to a preset ratio, and determine the transmit power of the first device under each transmission; or,

根据各传输对应的信道的拥塞等级和边链路功率参数，确定第一设备在各传输下的发射功率；或者，Determine the transmit power of the first device under each transmission according to the congestion level and side link power parameter of the channel corresponding to each transmission; or,

按照预定义的规则确定各传输的功率配置/丢弃次序，第一设备根据各传输的功率配置/丢弃次序，确定丢弃的传输以及未丢弃的传输的发射功率；或者，The power configuration/discarding order of each transmission is determined according to a predefined rule, and the first device determines the transmit power of the discarded transmission and the transmission that is not discarded according to the power configuration/discarding order of each transmission; or,

按照预定义的规则确定各传输的发送次序，第一设备根据各传输的发送次序，确定第一设备在各传输下的发射功率。The transmission order of each transmission is determined according to a predefined rule, and the first device determines the transmit power of the first device in each transmission according to the transmission order of each transmission.

在一种可行的实现方式中，发送模块具体用于，使用第一设备的发射功率在蜂窝链路所在的载波上向M个第二设备发送数据，蜂窝链路为终端设备与网络设备进行通信的链路。In a feasible implementation manner, the sending module is specifically configured to use the transmit power of the first device to send data to M second devices on the carrier where the cellular link is located, and the cellular link is for the terminal device to communicate with the network device 's link.

本申请第三方面提供一种输出传输设备，用于执行上述第一方面的数据传输方法，具有相同的技术效果。A third aspect of the present application provides an output transmission device for executing the data transmission method of the above-mentioned first aspect, which has the same technical effect.

本申请第三方面提供的数据传输设备，作为第一设备，包括：The data transmission device provided by the third aspect of the present application, as the first device, includes:

处理器，用于根据边链路功率参数，确定边链路上的第一设备的发射功率；边链路功率参数包括如下中的至少一项：第一设备与网络设备之间的第一功率参数、M个第二设备与网络设备之间的第二功率参数、第一设备与M个第二设备间的配置发射功率值，其中M为不小于1的正整数；a processor, configured to determine the transmit power of the first device on the side link according to the side link power parameter; the side link power parameter includes at least one of the following: the first power between the first device and the network device parameters, the second power parameter between the M second devices and the network device, and the configured transmit power value between the first device and the M second devices, where M is a positive integer not less than 1;

发送器，用于使用第一设备的发射功率向M个第二设备发送数据。a transmitter, configured to send data to the M second devices by using the transmit power of the first device.

在一种可行的实现方式中，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，处理器具体用于，确定配置发射功率值为第一设备的发射功率。In a feasible implementation manner, the side link power parameter includes a configured transmit power value between the first device and the M second devices, and the processor is specifically configured to determine the configured transmit power value as the transmit power of the first device.

在一种可行的实现方式中，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，处理器具体用于，将第三功率和配置发射功率中的最大值作为第一设备的发射功率，第三功率为第一设备根据第一设备与M个第二设备之间的边链路的路损确定的功率。In a feasible implementation manner, the side link power parameter includes a configured transmit power value between the first device and the M second devices, and the processor is specifically configured to use the maximum value of the third power and the configured transmit power as the value of the configured transmit power. The transmit power of the first device, and the third power is the power determined by the first device according to path losses of side links between the first device and the M second devices.

在一种可行的实现方式中，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，处理器具体用于，确定配置发射功率值为第一设备的发射功率；In a feasible implementation manner, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the processor is specifically configured to determine the configured transmit power value as the transmit power of the first device ;

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率，处理器具体用于，确定配置发射功率值为第一设备的发射功率；In a feasible implementation manner, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the configured transmit power value is not greater than the first power , the processor is specifically configured to determine that the configured transmit power value is the transmit power of the first device;

在一种可行的实现方式中，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，处理器具体用于，确定配置发射功率值为第一设备的发射功率，其中，配置发射功率值不大于第一功率和M个第二功率。In a feasible implementation manner, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the processor is specifically configured to determine the configured transmit power value as the transmit power of the first device , where the configured transmit power value is not greater than the first power and M second powers.

在一种可行的实现方式中，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数，以及M个第二设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率和M个第二功率，处理器具体用于，确定配置发射功率值为第一设备的发射功率；In a feasible implementation manner, the power control parameters of the side link of the first device, the power control parameters of the communication link between the first device and the network device, and the power control parameters of the M second devices and the network device The power control parameters of the communication links between the two are the same, the configured transmit power value is not greater than the first power and the M second powers, and the processor is specifically configured to determine the configured transmit power value as the transmit power of the first device;

在一种可行的实现方式中，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，处理器具体用于，In a feasible implementation manner, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the processor is specifically configured to:

接收器，用于接收M个第二设备发送的各第二设备的第二功率参数的指示信息；或者，a receiver, configured to receive the indication information of the second power parameter of each second device sent by the M second devices; or,

在一种可行的实现方式中，发送器还用于，向M个第二设备和/或网络设备发送第一功率参数的指示信息。In a feasible implementation manner, the transmitter is further configured to send indication information of the first power parameter to the M second devices and/or network devices.

在一种可行的实现方式中，发送器还用于，向M个第二设备和/或网络设备发送第三功率的指示信息。In a feasible implementation manner, the transmitter is further configured to send indication information of the third power to the M second devices and/or network devices.

在一种可行的实现方式中，发送器还用于，向M个第二设备和/或网络设备发送第一设备与M个第二设备的边链路的路损的指示信息。In a feasible implementation manner, the transmitter is further configured to send, to the M second devices and/or network devices, the indication information of the path loss of the side link between the first device and the M second devices.

在一种可行的实现方式中，发送器还用于，向M个第二设备和/或网络设备发送第一功率余量报告；In a feasible implementation manner, the transmitter is further configured to send the first power headroom report to the M second devices and/or network devices;

在一种可行的实现方式中，接收器还用于，接收M个第二设备各自发送的M个第二功率余量报告，或者，第一设备接收网络设备发送的M个第二设备的第二功率余量报告；In a feasible implementation manner, the receiver is further configured to receive the M second power headroom reports sent by the M second devices, or the first device to receive the first power headroom report of the M second devices sent by the network device. Two power headroom report;

在一种可行的实现方式中，发送器还用于，向网络设备发送第三功率余量报告；In a feasible implementation manner, the transmitter is further configured to send a third power headroom report to the network device;

在一种可行的实现方式中，发送器具体用于，以单播形式，使用第一设备的发射功率向M个第二设备发送数据，M为1；或，In a feasible implementation manner, the transmitter is specifically configured to, in a unicast form, use the transmit power of the first device to send data to M second devices, where M is 1; or,

在一种可行的实现方式中，处理器还用于，确定在各传输的发射功率之和不大于第一设备的第八功率，第八功率为如下中的任一项：In a feasible implementation manner, the processor is further configured to determine that the sum of the transmit powers in each transmission is not greater than the eighth power of the first device, where the eighth power is any one of the following:

在一种可行的实现方式中，第一设备在各传输下的发射功率之和大于第一设备的第八功率，处理器还用于，In a feasible implementation manner, the sum of the transmit power of the first device in each transmission is greater than the eighth power of the first device, and the processor is further configured to:

在一种可行的实现方式中，发送器具体用于，使用第一设备的发射功率在蜂窝链路所在的载波上向M个第二设备发送数据，蜂窝链路为终端设备与网络设备进行通信的链路。In a feasible implementation manner, the transmitter is specifically configured to use the transmit power of the first device to send data to M second devices on the carrier where the cellular link is located, and the cellular link is for the terminal device to communicate with the network device 's link.

本申请第四方面提供一种电子设备，包括：处理器、存储器和计算机程序；A fourth aspect of the present application provides an electronic device, including: a processor, a memory, and a computer program;

计算机程序存储在存储器中，处理器运行计算机程序执行如上述第一方面中任一可行的实现方式中的数据传输方法。The computer program is stored in the memory, and the processor executes the computer program to execute the data transmission method in any feasible implementation manner of the first aspect above.

本申请第五方面提供一种计算机存储介质，存储介质包括计算机程序，计算机程序用于实现如上述第一方面中任一可行的实现方式中的数据传输方法。A fifth aspect of the present application provides a computer storage medium, the storage medium includes a computer program, and the computer program is used to implement the data transmission method in any feasible implementation manner of the first aspect above.

本申请第六方面提供一种计算机程序产品，计算机程序产品包括计算机程序代码，当计算机程序代码在计算机上运行时，使得计算机执行如上述第一方面中任一可行的实现方式中的数据传输方法。A sixth aspect of the present application provides a computer program product, the computer program product includes computer program code, when the computer program code is run on a computer, the computer is made to execute the data transmission method in any feasible implementation manner of the first aspect above .

本申请第七方面提供一种芯片，包括存储器和处理器，存储器用于存储计算机程序，处理器用于从存储器中调用并运行计算机程序，使得安装有芯片的电子设备执行如第一方面中任一可行的实现方式中的数据传输方法。A seventh aspect of the present application provides a chip, including a memory and a processor, the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that an electronic device with the chip installed performs any one of the first aspects. Data transfer method in a feasible implementation.

本申请的在上述各方面提供的实现的基础上，还可以进行进一步组合以提供更多实现。On the basis of the implementations provided by the above aspects, the present application can be further combined to provide more implementations.

附图说明Description of drawings

图1为本申请实施例提供的通信系统的架构示意图一；FIG. 1 is a schematic diagram 1 of the architecture of a communication system provided by an embodiment of the present application;

图2为本申请实施例提供的通信系统的架构示意图二；FIG. 2 is a second schematic diagram of the architecture of a communication system provided by an embodiment of the present application;

图3为本申请实施例提供的数据传输方法的流程示意图一；FIG. 3 is a schematic flowchart 1 of a data transmission method provided by an embodiment of the present application;

图4a为第一设备采用时分复用模式进行传输的示意图；Fig. 4a is the schematic diagram that the first equipment adopts time division multiplexing mode to transmit;

图4b为第一设备采用频分复用模式进行传输的示意图；Fig. 4b is the schematic diagram that the first equipment adopts frequency division multiplexing mode to transmit;

图5为本申请实施例一提供的数据传输设备的结构示意图；5 is a schematic structural diagram of a data transmission device provided in Embodiment 1 of the present application;

图6为本申请实施例二提供的数据传输设备的结构示意图；6 is a schematic structural diagram of a data transmission device provided in Embodiment 2 of the present application;

图7为本申请实施例三提供的数据传输设备的结构示意图。FIG. 7 is a schematic structural diagram of a data transmission device according to Embodiment 3 of the present application.

具体实施方式Detailed ways

图1为本申请实施例提供的通信系统的架构示意图一。如图1所示，通信系统可以包括：网络设备和至少一个终端设备。本申请实施例提供的通信系统中，除了网络设备与终端设备之间的通信，还包括终端设备与终端设备之间的通信。FIG. 1 is a schematic diagram 1 of an architecture of a communication system provided by an embodiment of the present application. As shown in FIG. 1 , the communication system may include: a network device and at least one terminal device. In the communication system provided by the embodiments of the present application, in addition to the communication between the network device and the terminal device, it also includes the communication between the terminal device and the terminal device.

其中，终端设备与终端设备之间的通信链路可以为设备到设备通信(Device-to-Device，D2D)链路，或者，边链路。在车联网中，终端设备与终端设备之间的通信链路还可以为车辆对车辆(Vechile-to-Vechile，V2V)链路，车辆到行人(Vechile-to-Pedestrian，V2P)链路，车辆到基础设施(Vechile-to-Infrastructure，V2I)链路，车到任意设备之间(Vechile-to-X，V2X)的链路。本申请以下各实施例中主要使用边链路/第一链路来描述终端设备与终端设备之间的通信传输，使用蜂窝链路/第二链路来描述网络设备与终端设备之间的通信传输。边链路上可以进行终端设备与终端设备之间的单播、组播、广播中的至少一种方式进行通信。The communication link between the terminal device and the terminal device may be a device-to-device communication (Device-to-Device, D2D) link, or a side link. In the Internet of Vehicles, the communication link between the terminal device and the terminal device can also be a Vehicle-to-Vechile (V2V) link, a Vehicle-to-Pedestrian (V2P) link, a Vehicle-to-Pedestrian (V2P) link, and a Vehicle-to-Pedestrian (V2P) link. To the infrastructure (Vechile-to-Infrastructure, V2I) link, vehicle to any device (Vechile-to-X, V2X) link. In the following embodiments of this application, the side link/first link is mainly used to describe the communication transmission between the terminal device and the terminal device, and the cellular link/second link is used to describe the communication between the network device and the terminal device. transmission. At least one of unicast, multicast and broadcast communication between terminal devices can be performed on the side link.

终端设备可以是无线终端也可以是有线终端，无线终端可以为向用户提供语音和/或其他业务数据连通性的设备、具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，无线终端可以是移动终端，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、路侧单元(Road Side Unit，RSU)，它们与无线接入网交换语言和/或数据。例如，个人通信业务(Personal Communication Service，PCS)电话、无绳电话、会话发起协议(SessionInitiation Protocol，SIP)话机、无线本地环路(Wireless Local Loop，WLL)站、个人数字助理(Personal Digital Assistant，PDA)等设备。无线终端也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、远程终端(Remote Terminal)、接入终端(AccessTerminal)、用户终端(User Terminal)、用户代理(User Agent)，车载单元(on boardunit,OBU)，本申请在此不作限定。The terminal device may be a wireless terminal or a wired terminal, and the wireless terminal may be a device that provides voice and/or other service data connectivity to a user, a handheld device with wireless connectivity, or other processing device connected to a wireless modem. A wireless terminal may communicate with one or more core networks via a Radio Access Network (RAN), and the wireless terminal may be a mobile terminal such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal For example, there may be portable, pocket-sized, hand-held, computer built-in or vehicle-mounted mobile devices, Road Side Units (RSUs) that exchange language and/or data with the radio access network. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (Session Initiation Protocol, SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistant (Personal Digital Assistant, PDA) ) and other equipment. A wireless terminal may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a connection An access terminal (Access Terminal), a user terminal (User Terminal), a user agent (User Agent), and an on-board unit (on board unit, OBU) are not limited in this application.

网络设备是一种将终端设备接入到无线网络的设备，可以是全球移动通信系统(Global System for Mobile Communication，GSM)中的基站收发台(Base TransceiverStation，BTS)，通用移动通信系统(Universal Mobile Telecommunications System，UMTS)中的基站(Node B)，长期演进(Long Term Evolution，LTE)中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者中继站或接入点，或者未来第五代移动通信(the 5th Generation Mobile Communication，5G)网络中的基站，或者工作在高频频段的中继站、接入点、车载设备、可穿戴设备等，本申请在此并不限定。A network device is a device that connects a terminal device to a wireless network, and can be a base transceiver station (Base TransceiverStation, BTS) in the Global System for Mobile Communication (GSM), a Universal Mobile Communication System (Universal Mobile A base station (Node B) in Telecommunications System, UMTS), an evolved base station (Evolutional Node B, eNB or eNodeB) in Long Term Evolution (Long Term Evolution, LTE), or a relay station or access point, or the future fifth generation mobile A base station in a communication (the 5th Generation Mobile Communication, 5G) network, or a relay station, an access point, a vehicle-mounted device, a wearable device, etc. operating in a high-frequency frequency band, etc., are not limited in this application.

图1示例性的示出了设备1与设备2进行单播通信时，设备1与设备2之间的边链路。图1中的终端设备以车辆设备1和车辆设备2为例进行绘示。可选的，设备1和设备2可以位于同一网络设备下，还可位于不同网络设备下，本申请对此不作限定。FIG. 1 exemplarily shows the side link between the device 1 and the device 2 when the device 1 and the device 2 perform unicast communication. The terminal device in FIG. 1 is illustrated by taking the vehicle device 1 and the vehicle device 2 as examples. Optionally, device 1 and device 2 may be located under the same network device or under different network devices, which is not limited in this application.

图2为本申请实施例提供的通信系统的架构示意图二。如图2所示，通信系统包括多个终端设备，图2示例性的示出了设备1向设备2、设备3、设备4进行组播或广播时，设备1与其他设备之间的边链路。示例性的，设备2、设备3、设备4也可以向其他终端设备进行组播或广播。示例性的，终端设备中与网络设备之间有直接的连接，并且与remote UE之间也有连接的终端设备称为Relay UE。Relay UE可以直接与网络设备进行通信，还可以中转remote UE与网络设备间相互通信的数据，还可以仅与remote UE进行通信。其中，RemoteUE与Relay UE之间存在直接的连接，而与网络设备之间存在可选的直接连接，Remote UE可以与Relay UE直接通信或者通过Relay UE与网络设备进行通信。FIG. 2 is a second schematic diagram of the architecture of a communication system provided by an embodiment of the present application. As shown in Fig. 2, the communication system includes multiple terminal devices. Fig. 2 exemplarily shows the side chain between device 1 and other devices when device 1 performs multicast or broadcast to device 2, device 3, and device 4 road. Exemplarily, device 2, device 3, and device 4 may also perform multicast or broadcast to other terminal devices. Exemplarily, a terminal device that is directly connected to a network device and also connected to a remote UE is called a Relay UE. The Relay UE can directly communicate with the network device, and can also relay the data communicated between the remote UE and the network device, and can also communicate only with the remote UE. Among them, there is a direct connection between the RemoteUE and the Relay UE, and there is an optional direct connection between the Remote UE and the network device, and the Remote UE can communicate directly with the Relay UE or communicate with the network device through the Relay UE.

示例性的，当本申请的边链路应用于车联网时，通信系统中还可以包括至少一个路侧单元RSU，RSU可以与各个车载设备(终端设备)和或网络设备进行通信。通信系统中的各网络设备可以与各个车载设备和或RSU进行通信。通信系统中还可以包括至少一个全球导航卫星系统(Global Navigation Satellite System，GNSS)，GNSS可以为车载设备、路侧单元、网路设备提供定位相关的信息。其中，RSU在功能上既可以实现车载设备的功能，也可以实现网络设备的功能。车联网中任意设备进行通信时可以使用蜂窝链路的频谱，也可以使用5.9GHz附近的智能交通频谱。Exemplarily, when the side link of the present application is applied to the Internet of Vehicles, the communication system may further include at least one roadside unit RSU, and the RSU may communicate with various in-vehicle devices (terminal devices) and/or network devices. Each network device in the communication system can communicate with each on-board device and/or RSU. The communication system may further include at least one Global Navigation Satellite System (GNSS), and the GNSS can provide positioning-related information for on-board equipment, roadside units, and network equipment. Among them, RSU can not only realize the function of vehicle equipment, but also realize the function of network equipment. When any device in the Internet of Vehicles communicates, it can use the spectrum of the cellular link, or it can use the spectrum of intelligent transportation near 5.9GHz.

示例性的，本申请提供的数据传输方法还可以应用于网络设备之间的链路，通信系统中的各网络设备可以是宏站，也可以是小站。通信系统中还可以既有宏站也有小站。通信系统中的网络设备可以是主载波在的基站也可以是辅载波所在的基站，本申请对此不做限定。Exemplarily, the data transmission method provided in this application can also be applied to links between network devices, and each network device in the communication system can be a macro station or a small station. There may also be both macro stations and small stations in the communication system. The network device in the communication system may be the base station where the primary carrier is located or the base station where the secondary carrier is located, which is not limited in this application.

在通信系统中，边链路和蜂窝链路使用同一个载波上的不同频率进行通信，尽管终端设备在边链路上进行数据传输时使用的时频资源与蜂窝链路上的通信使用的时频资源具有不同的频率资源，但是终端设备在边链路上传输的数据，可以在蜂窝链路所属的载波上传输，因此终端设备在边链路上的传输的带外泄露会干扰到网络设备的上行接收。故需要控制终端设备在边链路上的发射功率，以避免有边链路上发送的信号会干扰到网络设备的信号接收。In a communication system, the side link and the cellular link use different frequencies on the same carrier to communicate, although the time-frequency resources used by the terminal equipment for data transmission on the side link are the same as the time-frequency resources used by the communication on the cellular link. The frequency resources have different frequency resources, but the data transmitted by the terminal device on the side link can be transmitted on the carrier to which the cellular link belongs, so the out-of-band leakage of the terminal device's transmission on the side link will interfere with the network equipment. upstream reception. Therefore, it is necessary to control the transmit power of the terminal equipment on the side link, so as to prevent the signal sent on the side link from interfering with the signal reception of the network equipment.

本申请为解决上述问题，在以下实施例中至少提供了一种数据传输方法和设备。下面采用具体实施例，对本申请提供的数据传输方法和设备进行详细说明。下面几个具体的实施例中，对于相同或相似的概念或过程可能在某些实施例不再赘述。In order to solve the above problems, the present application provides at least one data transmission method and device in the following embodiments. The data transmission method and device provided by the present application will be described in detail below using specific embodiments. In the following specific embodiments, the same or similar concepts or processes may not be repeated in some embodiments.

本申请一方面提供一种数据传输方法。图3为本申请实施例提供的数据传输方法的流程示意图一。本实施例提供的数据传输方法中，第一设备根据边链路功率参数，确定边链路上的所述第一设备的发射功率，避免第一设备的发射功率对网络设备的上行接收产生干扰。本实施例提供的数据传输方法可应用于图1和图2所示的通信系统，本实施例中的执行主体可以为通信系统中的终端设备，示例性的，可以为图1和图2中的车辆。如图3所示，数据传输方法包括：One aspect of the present application provides a data transmission method. FIG. 3 is a schematic flowchart 1 of a data transmission method provided by an embodiment of the present application. In the data transmission method provided in this embodiment, the first device determines the transmit power of the first device on the side link according to the side link power parameter, so as to prevent the transmit power of the first device from interfering with the uplink reception of the network device . The data transmission method provided in this embodiment can be applied to the communication systems shown in FIG. 1 and FIG. 2 . The execution subject in this embodiment may be a terminal device in the communication system, which may be exemplarily the one shown in FIG. 1 and FIG. 2 . Vehicles. As shown in Figure 3, the data transmission method includes:

S101、第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率。S101. The first device determines the transmit power of the first device on the side link according to the side link power parameter.

其中，边链路功率参数包括如下中的至少一项：第一设备与网络设备之间的第一功率参数、M个第二设备与网络设备之间的第二功率参数、第一设备与M个第二设备间的配置发射功率值，其中M为不小于1的正整数。这里配置发射功率值可以是网络设备配置的，也可以是预配置的，还可以是协议预定义的，本申请对此不做限定。示例性的，第一设备在边链路上向M个第二设备发送数据时，为保证各第二设备均能够接收到第一设备发送的数据，第一设备的发射功率越大越好。但是，若第一设备的发射功率过大，可能会干扰到网络设备的上行数据接收。为解决该问题，本实施例中，可根据边链路功率参数确定第一设备在边链路上的发射功率，避免了第一设备的发射功率过大。The side link power parameter includes at least one of the following: a first power parameter between a first device and a network device, a second power parameter between M second devices and a network device, a first device and M The configured transmit power value between two second devices, where M is a positive integer not less than 1. The transmit power value configured here may be configured by the network device, may also be pre-configured, or may be predefined by a protocol, which is not limited in this application. Exemplarily, when the first device sends data to M second devices on the side link, in order to ensure that each second device can receive the data sent by the first device, the higher the transmit power of the first device, the better. However, if the transmit power of the first device is too large, it may interfere with the uplink data reception of the network device. To solve this problem, in this embodiment, the transmit power of the first device on the side link can be determined according to the side link power parameter, so as to prevent the transmit power of the first device from being too large.

可选的，第一设备在边链路上向M个第二设备发送数据，当M为1时，可以是以单播的方式发送；当M>1时，可以是以组播的方式发送；还可以是M为不确定数目的第二设备，此时可以以广播的方式发送。只要对第一设备把数据发送出去，在广播机制下，并不强制一定有特定的M个第二设备接收到第一设备发送的数据。Optionally, the first device sends data to M second devices on the side link. When M is 1, it can send data in a unicast mode; when M>1, it can send data in a multicast mode. ; It can also be that M is an indeterminate number of second devices, and can be sent in a broadcast mode at this time. As long as the data is sent to the first device, under the broadcast mechanism, it is not mandatory that there are certain M specific second devices to receive the data sent by the first device.

示例性的，边链路功率参数可以为：第一设备与网络设备之间的第一功率参数、M个第二设备与网络设备之间的第二功率参数、第一设备与M个第二设备间的配置发射功率值中的任一项或者任意多项的结合。其中，当M大于1时，各第二设备对应一个第二功率参数，网络设备为第一设备与各第二设备配置一个配置发射功率值。Exemplarily, the side link power parameters may be: the first power parameter between the first device and the network device, the second power parameter between the M second devices and the network device, the first device and the M second power parameters. Any one or a combination of any of the configuration transmit power values between devices. Wherein, when M is greater than 1, each second device corresponds to a second power parameter, and the network device configures a configured transmit power value for the first device and each second device.

例如，第一设备可根据第一功率参数确定第一设备的发射功率，还可根据第一功率参数和p个第二功率参数控制第一设备的发射功率，还可根据第一功率参数和配置发射功率值控制第一设备的发射功率。其中，p为大于0且不大于M的整数。For example, the first device can determine the transmit power of the first device according to the first power parameter, can also control the transmit power of the first device according to the first power parameter and the p second power parameters, and can also control the transmit power of the first device according to the first power parameter and the configuration The transmit power value controls the transmit power of the first device. Wherein, p is an integer greater than 0 and not greater than M.

可选的，第一功率参数为第一设备与网络设备之间的第一路损，或者，根据第一路损获取的第一功率。Optionally, the first power parameter is the first path loss between the first device and the network device, or the first power obtained according to the first path loss.

示例性的，第一功率可以为网络设备允许的第一设备在边链路上的最大发射功率。当第一设备在边链路上的发射功率大于该第一功率时，第一设备的发射功率对网络设备的上行数据接收的干扰将超出网络设备的接受范围。也就是说，第一功率可以认为是第一设备发射功率的一个上限值，即第一设备确定的在边链路的发射功率值不能超过这个值。Exemplarily, the first power may be the maximum transmit power of the first device on the side link allowed by the network device. When the transmit power of the first device on the side link is greater than the first power, the interference of the transmit power of the first device to the reception of uplink data by the network device will exceed the acceptance range of the network device. That is to say, the first power may be considered as an upper limit value of the transmit power of the first device, that is, the transmit power value on the side link determined by the first device cannot exceed this value.

示例性的，第一路损可以为第一设备在预设时间范围内测量得到的路损。可选的，第一设备按照预设周期，或，在检测到位移大于预设或配置的位移时更新第一路损。Exemplarily, the first path loss may be a path loss measured by the first device within a preset time range. Optionally, the first device updates the first path loss according to a preset period, or when detecting that the displacement is greater than a preset or configured displacement.

可选的，M个第二设备中的一个第二设备的第二功率参数为第二设备与网络设备之间的第二路损，或者，根据第二路损获取的第二功率。Optionally, the second power parameter of one second device among the M second devices is the second path loss between the second device and the network device, or the second power obtained according to the second path loss.

示例性的，第二功率可以为网络设备允许的第二设备在边链路上的最大发射功率。当第二设备在边链路上的发射功率大于第二功率时，第二设备的发射功率对网络设备的上行数据接收的干扰将超出网络设备的接受范围。也就是说，第二功率可以认为是第二设备发射功率的一个上限值，即第二设备确定的在边链路的发射功率值不能超过这个值。Exemplarily, the second power may be the maximum transmit power of the second device on the side link allowed by the network device. When the transmit power of the second device on the side link is greater than the second power, the interference of the transmit power of the second device to the uplink data reception of the network device will exceed the acceptance range of the network device. That is to say, the second power can be considered as an upper limit value of the transmit power of the second device, that is, the transmit power value on the side link determined by the second device cannot exceed this value.

示例性的，第二路损可以为第二设备在预设时间范围内测量得到的路损。可选的，第二设备按照预设周期，或，在检测到位移大于预设或配置的位移时更新第二路损。Exemplarily, the second path loss may be a path loss measured by the second device within a preset time range. Optionally, the second device updates the second path loss according to a preset period, or when detecting that the displacement is greater than a preset or configured displacement.

可以理解的是，当第一功率参数为第一功率时，第二功率参数可以为第二功率，也可以为第二设备与网络设备之间的第二路损。同样的，当第一功率参数为第一设备与网络设备之间的第一路损时，第二功率参数可以为第二功率，也可以为第二设备与网络设备之间的第二路损。It can be understood that, when the first power parameter is the first power, the second power parameter may be the second power, or may be the second path loss between the second device and the network device. Similarly, when the first power parameter is the first path loss between the first device and the network device, the second power parameter may be the second power, or may be the second path loss between the second device and the network device .

可选的，在S101的确定第一设备的发射功率之前，数据传输方法还包括：Optionally, before determining the transmit power of the first device in S101, the data transmission method further includes:

S100、第一设备接收M个第二设备的第二功率参数的指示信息。S100. The first device receives indication information of M second power parameters of the second devices.

示例性的，第一设备接收M个第二设备的第二功率参数的指示信息的方式可以为第一设备接收M个第二设备发送的各所述第二设备的第二功率参数的指示信息；或者，第一设备接收网络设备发送的所述M个第二设备的第二功率参数的指示信息。Exemplarily, the manner in which the first device receives the indication information of the second power parameters of the M second devices may be that the first device receives the indication information of the second power parameters of the second devices sent by the M second devices. or, the first device receives the indication information of the second power parameters of the M second devices sent by the network device.

可选的，第二功率参数的指示信息需携带在功率余量报告中发送。示例性的，所述第一设备接收所述M个第二设备各自发送的M个第二功率余量报告，或者，所述第一设备接收所述网络设备发送的所述M个第二设备的第二功率余量报告；任一所述第二设备的第二功率余量报告中携带有所述第二设备的第二功率参数的指示信息。Optionally, the indication information of the second power parameter needs to be carried in the power headroom report and sent. Exemplarily, the first device receives M second power headroom reports sent by the M second devices, or the first device receives the M second devices sent by the network device. The second power headroom report of the second device; the second power headroom report of any second device carries the indication information of the second power parameter of the second device.

示例性的，功率余量报告是由预设最大发射功率减去发射功率得到的差。Exemplarily, the power headroom report is the difference obtained by subtracting the transmit power from the preset maximum transmit power.

示例性的，第二功率余量报告由将所述第二设备的第二功率作为所述第二设备的发射功率生成。例如，第二功率余量报告PHR2＝Pmax–P2，Pmax为最大发射功率或允许的最大发射功率，P2为第二功率。Exemplarily, the second power headroom report is generated by using the second power of the second device as the transmit power of the second device. For example, the second power headroom report PHR2=Pmax−P2, where Pmax is the maximum transmit power or the allowable maximum transmit power, and P2 is the second power.

S102、第一设备使用第一设备的发射功率向M个第二设备发送数据。S102. The first device sends data to M second devices by using the transmit power of the first device.

可以理解的是，当M为1时，第一设备与第二设备之间的通信传输为单播形式，第一设备在单播形式下，使用第一设备的发射功率向第二设备发送数据。It can be understood that when M is 1, the communication transmission between the first device and the second device is in a unicast form, and the first device uses the transmit power of the first device to send data to the second device in the unicast form. .

示例性的，当M大于1时，参照图2，第一设备向多个第二设备发送数据，此时，第一设备以组播或广播形式，使用第一设备的发射功率向M个第二设备发送数据。Exemplarily, when M is greater than 1, referring to FIG. 2 , the first device sends data to a plurality of second devices. At this time, the first device uses the transmission power of the first device to send data to the M-th device in the form of multicast or broadcast. The second device sends data.

本实施例提供的数据传输方法包括：第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率，第一设备使用第一设备的发射功率向M个第二设备发送数据。本实施例中，第一设备根据边链路功率参数确定第一设备在边链路上的发射功率，并采用第一设备在边链路上的发射功率发送数据，避免了第一设备发送数据时发射功率过大对网络设备的上行数据接收的干扰。The data transmission method provided by this embodiment includes: the first device determines the transmit power of the first device on the side link according to the side link power parameter, and the first device uses the transmit power of the first device to send the data to M second devices data. In this embodiment, the first device determines the transmit power of the first device on the side link according to the side link power parameter, and uses the transmit power of the first device on the side link to send data, avoiding the need for the first device to send data When the transmission power is too large, it will interfere with the uplink data reception of the network equipment.

示例性的，下面结合边链路功率参数包括的具体内容，对确定第一设备的发射功率进行详细说明。Exemplarily, the determination of the transmit power of the first device will be described in detail below with reference to the specific content included in the side link power parameter.

示例性的，当边链路功率参数中包括允许的最大功率信息时，确定第一设备的发射功率具体可包括以下几种情况：Exemplarily, when the side link power parameter includes the maximum allowable power information, determining the transmit power of the first device may specifically include the following situations:

第一种可能的情况：The first possible case:

边链路功率参数包括第一功率参数，第一功率参数为第一功率，此时，第一设备的发射功率不大于第一功率。The side link power parameter includes a first power parameter, and the first power parameter is the first power. In this case, the transmit power of the first device is not greater than the first power.

第二种可能的情况：Second possible case:

边链路功率参数还包括M个第二功率参数，M个第二设备中的一个第二设备的第二功率参数为第二功率，此时，第一设备的发射功率不大于第一功率参数和M个第二发送功率。The side link power parameter further includes M second power parameters, and the second power parameter of one of the M second devices is the second power. At this time, the transmit power of the first device is not greater than the first power parameter and M second transmit powers.

可选的，第一设备的发射功率可以选用第一功率和M个第二功率中的最小值。Optionally, the transmit power of the first device may be the minimum value of the first power and the M second powers.

可以理解的是，当M为1，第一设备在边链路上进行单播时，第一设备的发射功率选用第一功率和第二功率中的较小值。It can be understood that when M is 1 and the first device performs unicast on the side link, the transmit power of the first device selects the smaller value of the first power and the second power.

可选的，第一设备的发射功率还可以为小于第一功率和M个第二功率的一个功率数值。Optionally, the transmit power of the first device may also be a power value smaller than the first power and the M second powers.

示例性的，当边链路功率参数中包括路损信息时，确定第一设备的发射功率具体可包括以下几种情况：Exemplarily, when the side link power parameter includes path loss information, determining the transmit power of the first device may specifically include the following situations:

第一种可能的情况：The first possible case:

边链路功率参数包括第一功率参数，第一功率参数为第一设备与网络设备之间的第一路损，此时，第一设备的发射功率不大于根据第一路损获取的第一功率。The side link power parameter includes a first power parameter, and the first power parameter is the first path loss between the first device and the network device. At this time, the transmit power of the first device is not greater than the first path loss obtained according to the first path loss. power.

示例性的，本申请各实施例中，第一功率的获取方式具体可以为：Exemplarily, in each embodiment of the present application, a specific manner of acquiring the first power may be:

第一功率根据开环功率参数、第一路损、第一设备与网络设备的路损补偿因子和第一设备的传输带宽确定。可选地，这个传输带宽可以是实际的传输带宽，也可以是用于确定发射功率时的一个中间值。可选地，这个带宽是在边链路上做传输时带宽。The first power is determined according to the open-loop power parameter, the first path loss, the path loss compensation factor of the first device and the network device, and the transmission bandwidth of the first device. Optionally, the transmission bandwidth may be the actual transmission bandwidth, or may be an intermediate value used for determining the transmission power. Optionally, this bandwidth is the bandwidth when transmitting on the side link.

示例性的，第一路损为第一设备与网络设备之间进行数据传输过程中由于传输介质的因素而造成的损耗，第一路损受第一设备与网络设备之间的距离的影响。路损补偿因子用于弥补传输过程中的路径损耗。Exemplarily, the first path loss is a loss caused by a factor of the transmission medium during data transmission between the first device and the network device, and the first path loss is affected by the distance between the first device and the network device. The path loss compensation factor is used to compensate for the path loss during transmission.

可选地，开环功率参数P0，只是一个名称上的代称，其实际为在蜂窝链路是用来确定上行发射功率的一个功率的初始值，是一个终端设备特定的参数。在本申请中，P0可以是终端设备特定的，或终端设备组特定的。这个参数用于本申请时，还可以用来确定第一功率值。第一功率值是在共享载波上，网络设备用来控制sidelink上的传输对上行干扰的一个数值。可选地，网络设备可以通过配置开环功率参数P0和损损补偿因子alpha来实现对第一功率的控制。Optionally, the open-loop power parameter P0 is just a proxy for the name, which is actually an initial value of power used to determine the uplink transmit power in the cellular link, and is a terminal-specific parameter. In this application, P0 may be terminal device specific, or terminal device group specific. When this parameter is used in this application, it can also be used to determine the first power value. The first power value is a value used by the network device to control uplink interference from transmission on the sidelink on the shared carrier. Optionally, the network device may control the first power by configuring the open-loop power parameter P0 and the loss compensation factor alpha.

可选地，路损补因子是用于弥补传输过程中的路径损耗的一个参数，在确定功率时，路损补偿因子会与路径损耗直接进行相乘或相加，以达到按相应因子来补偿相应的路损值。路径损耗的取值范围为0到1之间。Optionally, the path loss compensation factor is a parameter used to compensate for the path loss in the transmission process. When determining the power, the path loss compensation factor and the path loss are directly multiplied or added to achieve compensation according to the corresponding factor. corresponding path loss value. The value range of path loss is between 0 and 1.

可选的，第一功率P1具体根据开环功率参数P0_1、第一路损L1、第一设备与网络设备的路损补偿因子alpha_1和第一设备的传输带宽M1，采用如下公式1计算得到：Optionally, the first power P1 is specifically calculated according to the open-loop power parameter P0_1, the first path loss L1, the path loss compensation factor alpha_1 between the first device and the network device, and the transmission bandwidth M1 of the first device, and is calculated by using the following formula 1:

P1＝P0_1+alpha_1xL1+10log10(M1) 公式1P1=P0_1+alpha_1xL1+10log10(M1) Formula 1

第二种可能的情况：Second possible case:

边链路功率参数还包括M个第二功率参数，M个第二设备中的一个第二设备的第二功率参数为第二设备与网络设备之间的第二路损，此时，第一设备的发射功率不大于根据第一路损获取的第一功率，以及根据M个第二路损获取的M个第二功率。The side link power parameter further includes M second power parameters, and the second power parameter of one of the M second devices is the second path loss between the second device and the network device. In this case, the first The transmit power of the device is not greater than the first power obtained according to the first path loss, and the M second powers obtained according to the M second path losses.

示例性的，与第一功率的计算方式类似，任一第二设备的第二功率的计算方式具体可以为：Exemplarily, similar to the calculation method of the first power, the calculation method of the second power of any second device may specifically be:

第二功率根据开环功率参数、第二路损、第二设备与网络设备的路损补偿因子和第二设备的传输带宽确定。The second power is determined according to the open-loop power parameter, the second path loss, the path loss compensation factor between the second device and the network device, and the transmission bandwidth of the second device.

示例性的，第二路损为第二设备与网络设备之间进行数据传输过程中由于传输介质的因素而造成的损耗，第二路损受第二设备与网络设备之间的距离的影响。Exemplarily, the second path loss is a loss caused by factors of the transmission medium during data transmission between the second device and the network device, and the second path loss is affected by the distance between the second device and the network device.

可选的，第二功率P2具体根据开环功率参数P0_2、第二路损L2、第二设备与网络设备的路损补偿因子alpha_2和第二设备的传输带宽M2，采用如下公式2计算得到：Optionally, the second power P2 is specifically calculated according to the open-loop power parameter P0_2, the second path loss L2, the path loss compensation factor alpha_2 between the second device and the network device, and the transmission bandwidth M2 of the second device, and is calculated by using the following formula 2:

P2＝P0_2+alpha_2xL2+10log10(M2) 公式2P2=P0_2+alpha_2xL2+10log10(M2) Formula 2

可选的，参照上述发射功率的计算公式1和2，第一设备的发射功率不大于根据第一路损获取的第一功率，以及根据M个第二路损获取的M个第二功率，即为第一设备的发射功率不大于P1和M个P2。Optionally, referring to the above-mentioned calculation formulas 1 and 2 of the transmit power, the transmit power of the first device is not greater than the first power obtained according to the first path loss, and the M second powers obtained according to the M second path losses, That is, the transmit power of the first device is not greater than P1 and M pieces of P2.

示例性的，在第一设备与M个第二设备的开环功率参数P0相同，第一设备和M个第二设备分别与网络设备之间的路损补偿因子alpha相同的情况下，第一设备的发射功率P不大于P1和M个P2，可等效为第一设备的发射功率P≤P0+alphaxmin{L1,L2_1，L2_2，……，L2_M}+10log10(M1)。其中，min{L1,L2_1，L2_2，……，L2_M}表示取所有路损中的最小值，L2_i表示M个第二设备中第i个第二设备的第二路损。Exemplarily, in the case that the open-loop power parameters P0 of the first device and the M second devices are the same, and the path loss compensation factor alpha between the first device and the M second devices and the network device is the same, the first device The transmit power P of the device is not greater than P1 and M P2, which can be equivalent to the transmit power of the first device P≤P0+alphaxmin{L1, L2_1, L2_2, , L2_M}+10log10(M1). Wherein, min{L1, L2_1, L2_2, .

可以理解的是，对于第二设备，第二设备的发射功率P同样应满足不大于P1和M个P2，可可等效为第二设备的发射功率P≤P0+alphaxmin{L1,L2_1，L2_2，……，L2_M}+10log10(M2)。It can be understood that, for the second device, the transmit power P of the second device should also satisfy not more than P1 and M P2, and Cocoa is equivalent to the transmit power of the second device P≤P0+alphaxmin{L1, L2_1, L2_2, ..., L2_M}+10log10(M2).

示例性的，当第一设备与M个第二设备的开环功率参数P0不同，第一设备和M个第二设备分别与网络设备之间的路损补偿因子alpha不同时，第一设备的发射功率P≤P0_1+alpha_1xmin{L1,L2_1，L2_2，……，L2_M}+10log10(M1)，第二设备的发射功率P≤P0_2+alpha_2xmin{L1,L2_1，L2_2，……，L2_M}+10log10(M2)。Exemplarily, when the open-loop power parameters P0 of the first device and the M second devices are different, and the path loss compensation factor alpha between the first device and the M second devices is different from the network device, the first device's The transmit power P≤P0_1+alpha_1xmin{L1,L2_1,L2_2,...,L2_M}+10log10(M1), the transmit power of the second device P≤P0_2+alpha_2xmin{L1,L2_1,L2_2,...,L2_M}+10log10 (M2).

示例性的，第一设备的发射功率可以为根据第一路损和M个第二路损中的最小路损获取的发射功率。Exemplarily, the transmit power of the first device may be the transmit power obtained according to the smallest path loss among the first path loss and the M second path losses.

可选的，第一设备的发射功率还可以为根据第三路损获取的发射功率，第三路损为小于第一路损和M个第二路损一个路损数值。Optionally, the transmission power of the first device may also be the transmission power obtained according to the third path loss, and the third path loss is a path loss value smaller than the first path loss and the M second path losses.

可以理解的是，当M为1时，第一设备的发射功率选用第一路损和第二路损中的较小值获取得到。It can be understood that when M is 1, the transmit power of the first device is obtained by selecting the smaller value of the first path loss and the second path loss.

当边链路功率参数中包括配置发射功率值时，确定第一设备的发射功率具体可以为：When the side link power parameter includes the configured transmit power value, determining the transmit power of the first device may specifically be:

若边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率，包括：If the side link power parameter includes the configured transmit power values between the first device and the M second devices, the first device determines the transmit power of the first device on the side link according to the side link power parameter, including:

示例性的，第一设备和M个第二设备间获取的配置发射功率值相同；其中，配置发射功率值是信令配置的或预配置的或预定义的。示例的，当M为1时，配置发射功率值为配置给一对做单播的第一设备和第二设备的共用的参数。示例的，当M>1时，配置发射功率值为配置给一组做组播或广播的第一设备和M个第二设备的共用的参数。Exemplarily, the configured transmit power values obtained between the first device and the M second devices are the same; wherein, the configured transmit power values are configured by signaling or preconfigured or predefined. Exemplarily, when M is 1, the configured transmit power value is a parameter that is configured to be shared by a pair of the first device and the second device performing unicast. Exemplarily, when M>1, the configured transmit power value is a parameter that is configured to be shared by a group of the first device and M second devices that perform multicast or broadcast.

示例性的，第一设备可以将第一设备与M个第二设备之间的第三功率以及配置发射功率两者中的最大值作为第一设备的发射功率。其中，第三功率为第一设备根据第一设备与M个第二设备之间的边链路的路损确定的功率。Exemplarily, the first device may use the maximum value of the third power between the first device and the M second devices and the configured transmit power as the transmit power of the first device. The third power is the power determined by the first device according to path losses of side links between the first device and the M second devices.

进一步的，边链路功率参数包括配置发射功率值时，还可以包括第一功率参数和/或第二功率参数。Further, when the side link power parameter includes configuring the transmit power value, it may further include the first power parameter and/or the second power parameter.

可选的，若边链路功率参数还包括第一功率参数，第一功率参数为第一功率，则第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率，包括：Optionally, if the side link power parameter further includes a first power parameter, and the first power parameter is the first power, the first device determines the transmit power of the first device on the side link according to the side link power parameter, include:

示例性的，比较网络设备为第一设备配置的配置发射功率值和第一功率，当配置发射功率值不大于第一功率时，使用配置发射功率值作为第一设备的发射功率，可避免第一设备的发射功率过大。Exemplarily, compare the configured transmit power value configured by the network device for the first device with the first power, and when the configured transmit power value is not greater than the first power, use the configured transmit power value as the transmit power of the first device, which can avoid the A device's transmit power is too high.

可选的，在配置发射功率值大于第一功率时，第一设备将第一功率或者第三功率，作为边链路上的第一设备的发射功率；或者，Optionally, when the configured transmit power value is greater than the first power, the first device uses the first power or the third power as the transmit power of the first device on the side link; or,

第一设备将不小于第三功率，且不大于第一功率的第五发射功率作为第一设备的发射功率。The first device uses the fifth transmit power that is not less than the third power and not greater than the first power as the transmit power of the first device.

示例性的，当配置发射功率大于第一功率时，若第一设备采用配置发射功率作为第一设备的发射功率，可能会对网络设备的上行数据接收产生干扰。因此，可以将第一功率或第三功率作为第一设备的发射功率。Exemplarily, when the configured transmit power is greater than the first power, if the first device adopts the configured transmit power as the transmit power of the first device, it may cause interference to the uplink data reception of the network device. Therefore, the first power or the third power can be used as the transmit power of the first device.

示例性的，第三功率根据所述第一设备与所述M个第二设备的边链路的路损补偿因子、所述第一设备的传输带宽、所述第一设备与所述M个第二设备的边链路的路损，以及开环功率参数确定。示例性的，第三功率的具体计算方式可参照公式1。Exemplarily, the third power is based on the path loss compensation factor of the side links between the first device and the M second devices, the transmission bandwidth of the first device, the first device and the M second devices. The path loss of the side link of the second device, and the open-loop power parameter are determined. Exemplarily, for a specific calculation method of the third power, reference may be made to formula 1.

示例性的，配置发射功率值的具体计算方式同样可参照公式1。因此，在第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率，第一设备确定配置发射功率值为第一设备的发射功率，可以等效为：Exemplarily, the specific calculation method of configuring the transmit power value may also refer to formula 1. Therefore, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, the configured transmit power value is not greater than the first power, and the first device determines the configuration The transmit power value is the transmit power of the first device, which can be equivalent to:

在第一设备的边链路的路损不大于第一设备与网络设备之间的第一路损时，第一设备确定配置发射功率值为第一设备的发射功率；When the path loss of the side link of the first device is not greater than the first path loss between the first device and the network device, the first device determines that the configured transmit power value is the transmit power of the first device;

可选的，若边链路功率参数还包括第一功率参数和M个第二功率参数，第一功率参数为第一功率，第二功率参数为第二功率，第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率，包括：Optionally, if the side link power parameter further includes a first power parameter and M second power parameters, the first power parameter is the first power, and the second power parameter is the second power, and the first device uses the side link power according to parameter to determine the transmit power of the first device on the side link, including:

在配置发射功率值不大于第一功率和M个第二功率时，第一设备确定配置发射功率值为第一设备的发射功率。When the configured transmit power value is not greater than the first power and the M second powers, the first device determines that the configured transmit power value is the transmit power of the first device.

示例性的，通过比较网络设备为第一设备配置的配置发射功率值与第一功率、M个第二功率，当配置发射功率值不大于第一功率和M个第二功率时，使用配置发射功率值作为第一设备的发射功率，可避免第一设备的发射功率过大。Exemplarily, by comparing the configured transmit power value configured by the network device for the first device with the first power and M second powers, when the configured transmit power value is not greater than the first power and the M second powers, the configured transmit power is used. The power value is used as the transmit power of the first device, which can prevent the transmit power of the first device from being too large.

可选的，在配置发射功率值大于第一功率或M个第二功率时，第一设备将第一功率和M个第二功率中的最小值，或者，第三功率，作为边链路上的第一设备的发射功率；或者，Optionally, when the configured transmit power value is greater than the first power or the M second powers, the first device takes the minimum value of the first power and the M second powers, or the third power, as the value on the side link. the transmit power of the first device; or,

第一设备将不小于第三功率，且不大于第一功率和M个第二功率的第七功率作为第一设备的发射功率。The first device uses a seventh power that is not less than the third power and is not greater than the first power and the M second powers as the transmit power of the first device.

示例性的，当边链路功率参数在包括配置发射功率参数外，还包括第一设备与网络设备的第一路损，以及M个第二设备与网络设备之间的第二路损时，可首先根据路损信息获取第一设备的第一功率，以及M个第二设备的第二功率。进一步的，在第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数，以及M个第二设备和网络设备之间的通信链路的功率控制参数相同时，在配置发射功率值不大于第一功率时，第一设备确定配置发射功率值为第一设备的发射功率，可以等效为：Exemplarily, when the side link power parameter includes, in addition to the configured transmit power parameter, the first path loss between the first device and the network device, and the second path loss between the M second devices and the network device, First, the first power of the first device and the second power of the M second devices may be acquired according to the path loss information. Further, the power control parameters of the side link of the first device, the power control parameters of the communication link between the first device and the network device, and the communication links between the M second devices and the network device When the power control parameters of the devices are the same, when the configured transmit power value is not greater than the first power, the first device determines that the configured transmit power value is the transmit power of the first device, which can be equivalent to:

在第一设备的边链路的路损不大于第一设备与网络设备之间的第一路损，以及，M个第二设备与网络设备之间的第二路损时，第一设备确定配置发射功率值为第一设备的发射功率。When the path loss of the side link of the first device is not greater than the first path loss between the first device and the network device, and the second path loss between the M second devices and the network device, the first device determines The configured transmit power value is the transmit power of the first device.

在上述任一实施例的基础上，本申请还提供一种数据传输方法。本实施例中，考虑到当第一设备的发射功率过小，可能导致边链路上的数据传输失败，生成的第一设备的发射功率还需满足不小于第三功率。On the basis of any of the foregoing embodiments, the present application further provides a data transmission method. In this embodiment, considering that when the transmit power of the first device is too small, data transmission on the side link may fail, the generated transmit power of the first device also needs to be not less than the third power.

示例性的，第一设备在根据边链路功率参数，确定边链路上的所述第一设备的发射功率之前，还首先应确定第一设备确定满足第一规则中的至少一项。Exemplarily, before determining the transmit power of the first device on the side link according to the side link power parameter, the first device should first determine that the first device satisfies at least one of the first rules.

其中，第一规则包括：第三功率不大于第一功率，或，第三功率不大于第二功率。The first rule includes: the third power is not greater than the first power, or the third power is not greater than the second power.

当检测到第一设备不满足第一规则中的任一项时，可确定根据边链路功率参数确定的第一设备的发射功率无法在缓解对网络设备的干扰要求的情况下，在边链路上正常通信。When it is detected that the first device does not meet any one of the first rules, it may be determined that the transmit power of the first device determined according to the side link power parameter cannot be used in the side chain under the condition of alleviating the interference requirement to the network device. Normal communication on the road.

示例性的，在第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同时，第一设备在根据边链路功率参数，确定边链路上的第一设备的发射功率之前，还首先应确定第一设备确定满足第二规则中的至少一项。Exemplarily, when the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, the first device determines according to the power parameter of the side link. Before determining the transmit power of the first device on the side link, it should also be determined that the first device satisfies at least one of the second rules.

其中，第二规则包括：Among them, the second rule includes:

当检测到第一设备和M个第二设备的相关路损信息不满足第二规则中的任一项时，可确定根据边链路功率参数确定的第一设备的发射功率无法在缓解对网络设备的干扰要求的情况下，在边链路上正常通信。When it is detected that the related path loss information of the first device and the M second devices does not satisfy any one of the second rules, it may be determined that the transmit power of the first device determined according to the side link power parameter cannot alleviate the impact on the network. In the case of equipment interference requirements, normal communication on the side link.

示例性的，第一设备向M个第二设备和/或网络设备发送第三功率的指示信息。Exemplarily, the first device sends indication information of the third power to M second devices and/or network devices.

可选的，第一设备还向网络设备发送第三功率余量报告；第三功率余量报告中携带有第一功率的指示信息，第三功率余量报告由将第一设备将第一功率作为第一设备在边链路上的发射功率生成。Optionally, the first device also sends a third power headroom report to the network device; the third power headroom report carries the indication information of the first power, and the third power headroom report is made by the first device reporting the first power Generated as transmit power of the first device on the side link.

示例性的，第一设备通过向网络设备发送第三功率，可使得网络设备在为第一设备配置第一设备的配置发射功率值时，可提供不小于第三功率的配置发射功率值，避免第一设备再接收到配置发射功率值后，还需根据第三功率再次调整第一设备的发射功率，减少了第一设备的工作量。可选的，此时，可以同时用于在边链路专用的载波或边链路与蜂窝链路共用的载波。Exemplarily, by sending the third power to the network device, the first device can enable the network device to provide a configured transmit power value not less than the third power when configuring the first device with the configured transmit power value of the first device, avoiding After the first device receives the configured transmit power value again, it needs to adjust the transmit power of the first device again according to the third power, which reduces the workload of the first device. Optionally, at this time, it can be used for the dedicated carrier of the side link or the carrier shared by the side link and the cellular link at the same time.

示例性的，第一设备还向网络设备和/或M个第二设备发送第一功率参数的指示信息。可选的，第一设备还可以向M个第二设备和/或网络设备发送第一功率余量报告；第一功率余量报告中携带有第一功率参数的指示信息，第一功率余量报告由将第一设备的第一发射功率作为第一设备的发射功率生成。Exemplarily, the first device further sends indication information of the first power parameter to the network device and/or the M second devices. Optionally, the first device may also send a first power headroom report to M second devices and/or network devices; the first power headroom report carries the indication information of the first power parameter, the first power headroom The report is generated using the first transmit power of the first device as the transmit power of the first device.

可选的，第一设备还向M个第二设备和/或网络设备发送第一设备与M个第二设备的边链路的路损的指示信息。Optionally, the first device further sends the indication information of the path loss of the side links between the first device and the M second devices to the M second devices and/or the network device.

进一步的，网络设备还可接收第一设备与网络设备之间的第一路损，或者第一设备的第一功率，以进一步提高为第一设备配置第一设备的配置发射功率值的合理性。Further, the network device may also receive the first path loss between the first device and the network device, or the first power of the first device, to further improve the rationality of configuring the first device's configured transmit power value for the first device. .

进一步的，网络设备还可接收各第二设备与网络设备之间的第二路损，或者个第二设备的第二功率。网络设备设备还可接收第一设备与各第二设备之间的边链路的路损。Further, the network device may also receive the second path loss between each second device and the network device, or the second power of each second device. The network device device may also receive the path loss of the side link between the first device and each of the second devices.

示例性的，当网络设备在边链路的传输使用边链路专用载波时，网络设备还可根据接收到的边链路功率参数为第一设备配置合适的配置发射功率值，避免第一设备在传输时对其他边链路上的传输产生干扰。Exemplarily, when the network device uses the dedicated carrier for the side link for transmission on the side link, the network device may also configure an appropriate configured transmit power value for the first device according to the received side link power parameter, so as to avoid the first device Interferes with transmissions on other sidelinks while transmitting.

可选的，在上述任一实施例的基础上，本申请还提供一种数据传输方法。本实施例中，第一设备的发射功率不大于第一设备的预设最大发射功率。Optionally, on the basis of any of the foregoing embodiments, the present application further provides a data transmission method. In this embodiment, the transmit power of the first device is not greater than the preset maximum transmit power of the first device.

示例性的，当边链路功率参数包括第一功率参数，第一功率参数为第一功率P1时，第一设备的发射功率需同时满足不大于第一功率P1和预设最大发射功率，不小于第三功率。Exemplarily, when the side link power parameter includes the first power parameter, and the first power parameter is the first power P1, the transmit power of the first device needs to satisfy both the first power P1 and the preset maximum transmit power, and not less than the third power.

进一步的，当边链路功率参数还包括第二功率参数，第二功率参数为第二功率P2时，第一设备的发射功率需同时满足不大于第一功率P1、第二功率P2和预设最大发射功率，不小于第三功率。Further, when the side link power parameter further includes a second power parameter, and the second power parameter is the second power P2, the transmit power of the first device needs to meet the requirements of not greater than the first power P1, the second power P2 and the preset power at the same time. The maximum transmit power, not less than the third power.

示例性的，预设最大发射功率包括如下中的至少一项：Exemplarily, the preset maximum transmit power includes at least one of the following:

第一设备允许的最大的发射功率；the maximum transmit power allowed by the first device;

示例性的，上述各实施例中的第一设备的发射功率需满足的条件可以在不相悖的情况下任意结合。Exemplarily, the conditions to be satisfied by the transmit power of the first device in the foregoing embodiments may be arbitrarily combined without being inconsistent.

示例性的，在上述任一实施例中，网络设备可根据M个第二设备中的部分第二设备的第二功率来确定边链路上第一设备的发射功率。Exemplarily, in any of the foregoing embodiments, the network device may determine the transmit power of the first device on the side link according to the second power of some of the M second devices.

示例性的，上述任一实施例中的第一设备/第二设备均支持多种传输方式，传输方式包括单播、组播和广播。下面以第一设备为例，对第一设备/第二设备的传输进行示例性的说明。Exemplarily, the first device/second device in any of the foregoing embodiments supports multiple transmission modes, and the transmission modes include unicast, multicast, and broadcast. The following takes the first device as an example to exemplarily describe the transmission of the first device/second device.

示例性的，第一设备的传输方式可以采用时分复用模式，也可以采用频分复用模式。图4a为第一设备采用时分复用模式进行传输的示意图。图4b为第一设备采用频分复用模式进行传输的示意图。Exemplarily, the transmission mode of the first device may use a time division multiplexing mode or a frequency division multiplexing mode. FIG. 4a is a schematic diagram of the first device performing transmission in a time division multiplexing mode. FIG. 4b is a schematic diagram of the first device performing transmission in a frequency division multiplexing mode.

如图4a所示，第一设备在不同的时域资源上进行单播、组播和广播。此时，第一设备可根据上述任一实施例中的数据传输方法中的功率确定步骤，确定第一设备在不同传输下使用的发射功率。As shown in Fig. 4a, the first device performs unicast, multicast and broadcast on different time domain resources. At this time, the first device may determine the transmit power used by the first device under different transmissions according to the power determination step in the data transmission method in any of the foregoing embodiments.

如图4b所示，第一设备可以在相同的时域资源上的不同的频域资源上进行传输。相同的时域资源上的不同频域资源可以同时进行单播、组播和广播这三种传输，也可以进行至少两种传输，还可以进行同一种传输方式的多个传输。例如，第一设备在同一时刻向两个第二设备同时进行单播。第一设备的不同传输在相同的时域资源占用不同的频域资源，具体可以为各传输占用一个聚合载波(Component Carrier，CC)上的不同的物理资源块(physical resource block，PRB)、各传输占用不同的子信道、各传输占用不同的带宽部分((Bandwidth Part，BWP)、各传输占用不同的资源池或者各传输占用同一个频带上的不同的CC。As shown in FIG. 4b, the first device may transmit on different frequency domain resources on the same time domain resource. Different frequency domain resources on the same time domain resource can simultaneously perform three transmissions of unicast, multicast and broadcast, or at least two types of transmission, and can also perform multiple transmissions in the same transmission mode. For example, the first device unicasts to two second devices at the same time. Different transmissions of the first device occupy different frequency domain resources in the same time domain resources, and specifically, each transmission may occupy different physical resource blocks (physical resource blocks, PRBs) on an aggregated carrier (Component Carrier, CC), each Transmissions occupy different subchannels, each transmission occupies a different bandwidth part (Bandwidth Part, BWP), each transmission occupies a different resource pool, or each transmission occupies different CCs on the same frequency band.

示例性的，下面结合具体实施例对当第一设备在同一时刻存在至少两个通过边链路向M个第二设备发送数据的传输，且至少两个传输的传输方式相同或不同时，第一设备确定边链路上的第一设备的发射功率的方式进行详细说明。Exemplarily, with reference to specific embodiments, when the first device has at least two transmissions that send data to M second devices through side links at the same time, and the transmission modes of the at least two transmissions are the same or different, the first device will The manner in which a device determines the transmit power of the first device on the side link will be described in detail.

示例性的，第一设备在同一时刻存在多个传输时，可采用上述任一实施例确定第一设备的各传输对应的发射功率。在第一设备使用各传输对应的发送功率向M个第二设备发送数据之前，还应考虑第一设备在各传输的发射功率之和是否过大。Exemplarily, when the first device has multiple transmissions at the same time, any of the foregoing embodiments may be used to determine the transmit power corresponding to each transmission of the first device. Before the first device sends data to the M second devices by using the transmit power corresponding to each transmission, it should also consider whether the sum of the transmit power of the first device in each transmission is too large.

当第一设备在各传输的发射功率之和不大于第一设备的第八功率时，第一设备的各传输使用各传输对应的发射功率向M个第二设备发送数据。When the sum of the transmit power of the first device in each transmission is not greater than the eighth power of the first device, each transmission of the first device uses the transmit power corresponding to each transmission to send data to the M second devices.

其中，第八功率为如下中的任一项：第一设备与M个第二设备间的配置发射功率值、第一功率、第二功率或预设最大发射功率。Wherein, the eighth power is any one of the following: a configured transmit power value between the first device and the M second devices, a first power, a second power, or a preset maximum transmit power.

示例性的，当第一设备在各传输下的发射功率之和大于第一设备的第八功率时，在第一设备使用第一设备的发射功率向M个第二设备发送数据之前，数据传输方法还包括：Exemplarily, when the sum of the transmit power of the first device under each transmission is greater than the eighth power of the first device, before the first device sends data to the M second devices by using the transmit power of the first device, the data is transmitted. Methods also include:

调整各传输对应的第一设备的发射功率，得到调整后的各传输对应的第一设备的发射功率，并在发送数据时，使用调整后的各传输对应的第一设备的发射功率。Adjust the transmit power of the first device corresponding to each transmission to obtain the adjusted transmit power of the first device corresponding to each transmission, and use the adjusted transmit power of the first device corresponding to each transmission when sending data.

示例性的，调整各传输对应的第一设备的发射功率具体可以为以下几种可能的实现方式。Exemplarily, the adjustment of the transmit power of the first device corresponding to each transmission may specifically include the following possible implementation manners.

第一种可能的调整方式：The first possible adjustment:

第一设备根据各传输的优先级，确定第一设备在各传输下的发射功率。The first device determines the transmit power of the first device in each transmission according to the priority of each transmission.

示例性的，第一设备可以根据各传输的优先级从高到低或者从低到高的方式，为第一设备的各传输确定发射功率。例如，可以按照优先级从高到低的方式，从第一设备的第八功率中为优先级较高的传输分配功率。可选的，还可为各优先级确定对应的权重系数，权重系数用于调低各传输对应的发射功率，例如，按照优先级从高到低的方式，为第一设备的各传输确定不同的权重系数，使得优先级较高的传输对应的发射功率降低较少。可选地，不同的权重系数对应不同的优先级参数值。Exemplarily, the first device may determine the transmit power for each transmission of the first device according to the manner in which the priority of each transmission increases from high to low or from low to high. For example, power may be allocated for transmissions with higher priority from the eighth powers of the first device in a manner from high to low priority. Optionally, a corresponding weight coefficient may also be determined for each priority, and the weight coefficient is used to adjust the transmit power corresponding to each transmission. The weight coefficient of , so that the transmission power corresponding to the transmission with higher priority is reduced less. Optionally, different weight coefficients correspond to different priority parameter values.

第二种可能的调整方式：Second possible adjustment:

第一设备按照各传输的优先级从低到高的顺序确定发射功率为0的传输，以及发射功率不为0的传输对应的发射功率，第一设备丢弃发送发射功率为0的传输。The first device determines, according to the priority of each transmission from low to high, the transmissions with the transmit power of 0 and the transmit powers corresponding to the transmissions with the transmit power of not 0, and the first device discards the transmissions with the transmit power of 0.

示例性的，对于优先级较低的传输，可将该传输对应的发射功率调整为0，即第一设备丢弃发送该传输。示例性的，可根据第一设备在各传输下的发射功率之和以及第一设备的第八功率，在所有传输中确定需丢弃的传输。Exemplarily, for a transmission with a lower priority, the transmission power corresponding to the transmission may be adjusted to 0, that is, the first device discards and sends the transmission. Exemplarily, the transmission to be discarded in all transmissions may be determined according to the sum of the transmit power of the first device in each transmission and the eighth power of the first device.

第三种可能的调整方式：Third possible adjustment:

第一设备按照预设比例将第八功率分配给各种传输，确定第一设备在各传输下的发射功率。The first device allocates the eighth power to various transmissions according to a preset ratio, and determines the transmit power of the first device in each transmission.

示例性的，第一设备按照预设比例将第八功率分配给各种传输。示例性的，预设比例可以为等分，还可以为根据优先级确定各传输对应的比例。Exemplarily, the first device allocates the eighth power to various transmissions according to a preset ratio. Exemplarily, the preset ratio may be equal division, or the ratio corresponding to each transmission may be determined according to the priority.

第四种可能的调整方式：Fourth possible adjustment:

第一设备根据各传输对应的信道的拥塞等级，确定第一设备在各传输下的发射功率。The first device determines the transmit power of the first device in each transmission according to the congestion level of the channel corresponding to each transmission.

示例性的，拥塞等级越高的传输对应的发射功率降低的越多，拥塞等级越高则传输越拥塞。Exemplarily, the transmission power corresponding to the higher congestion level is reduced more, and the higher the congestion level is, the more congested the transmission is.

第五种可能的调整方式：Fifth possible adjustment:

第一设备按照预定义的规则确定各传输的功率配置/丢弃次序，第一设备根据各传输的功率配置/丢弃次序，确定丢弃的传输以及未丢弃的传输的发射功率。The first device determines the power configuration/discarding order of each transmission according to a predefined rule, and the first device determines the transmit power of discarded transmissions and non-discarded transmissions according to the power configuration/discarding order of each transmission.

示例性的，预定义的规则可以为各第二设备的编号大小，各第二设备的优先级，各传输所在的CC的编号大小、各传输所使用的子载波间隔SCS的大小、各传输的编号或HARQ进程的编号大小、各传输所传输的数据的大小、各传输对应的业务的优先级等中的任意一种或多种来确定。Exemplarily, the predefined rules may be the number size of each second device, the priority of each second device, the number size of the CC where each transmission is located, the size of the subcarrier interval SCS used for each transmission, the size of each transmission. It is determined by any one or more of the number or the number size of the HARQ process, the size of the data transmitted by each transmission, the priority of the service corresponding to each transmission, and the like.

第六种可能的调整方式：Sixth possible adjustment:

示例性的，第一设备还调整各传输的发送次序/时间，根据第一设备的第八功率，在所有传输中确定本次发送可进行的传输，并将剩余传输在下一时刻发送。Exemplarily, the first device further adjusts the sending order/time of each transmission, determines the transmission that can be performed this time in all transmissions according to the eighth power of the first device, and sends the remaining transmissions at the next moment.

示例性的，本申请实施例还提供一种数据传输方法。本方法中第一设备根据边链路功率参数，确定边链路上的第一设备的发射功率，包括：Exemplarily, the embodiments of the present application further provide a data transmission method. In this method, the first device determines the transmit power of the first device on the side link according to the side link power parameter, including:

第一设备根据边链路功率参数和第一设备在各边链路上的传输，确定第一设备在各边链路上的传输的发射功率。The first device determines the transmit power of the transmission of the first device on each side link according to the side link power parameter and the transmission of the first device on each side link.

示例性的，第一设备在各边链路上的传输包括各传输的传输方式，还可以包括各传输的传输参数。示例性的，传输参数包括各第二设备的编号大小，各第二设备的优先级，各传输所在的CC的编号大小、各传输所使用的子载波间隔SCS的大小、各传输的编号或HARQ进程的编号大小、各传输所传输的数据的大小、各传输对应的业务的优先级等中的任意一种或多种来确定。Exemplarily, the transmission of the first device on each side link includes a transmission mode of each transmission, and may also include a transmission parameter of each transmission. Exemplarily, the transmission parameters include the serial number of each second device, the priority of each second device, the serial number of the CC where each transmission is located, the size of the subcarrier interval SCS used by each transmission, the serial number or HARQ of each transmission. It is determined by any one or more of the number size of the process, the size of the data transmitted by each transmission, and the priority of the service corresponding to each transmission.

示例性的，在确定第一设备的发射功率时，可在参考边链路功率参数的同时，还参考传输的传输方式和/或传输，以确定第一设备的各传输对应的发射功率，从而使得第一设备使用各传输对应的发射功率向M个第二设备发送数据。Exemplarily, when determining the transmit power of the first device, the transmission mode and/or transmission of the transmission may be referenced while referring to the side link power parameter, so as to determine the transmit power corresponding to each transmission of the first device, thereby The first device is caused to send data to the M second devices by using the transmit power corresponding to each transmission.

示例性的，第一设备根据边链路功率参数和第一设备在各边链路上的传输，确定第一设备在各边链路上的传输的发射功率，具体可以包括以下几种可能的实现方式：Exemplarily, the first device determines the transmit power of the transmission of the first device on each side link according to the side link power parameter and the transmission of the first device on each side link, which may specifically include the following possible: Method to realize:

第一设备根据各传输的优先级和边链路功率参数，确定第一设备在各传输下的发射功率；或者，The first device determines the transmit power of the first device in each transmission according to the priority of each transmission and the side link power parameter; or,

第一设备按照预定义的规则和边链路功率参数，确定第一设备在各传输下的发射功率。The first device determines the transmit power of the first device in each transmission according to a predefined rule and side link power parameters.

实施例的，本申请上述各实施例中，第一设备可使用第一设备的发射功率在蜂窝链路所在的载波上向M个第二设备发送数据，蜂窝链路为终端设备与基站设备进行通信的链路。In the above-mentioned embodiments of the present application, the first device can use the transmit power of the first device to send data to M second devices on the carrier where the cellular link is located, and the cellular link is the communication between the terminal device and the base station device. communication link.

本申请还提供一种数据传输设备，用于执行上述任一实施例中的第一设备侧的数据传输方法，具有相同或相似的技术特征和技术效果。The present application further provides a data transmission device for executing the data transmission method on the first device side in any of the foregoing embodiments, which has the same or similar technical features and technical effects.

图5为本申请实施例一提供的数据传输设备的结构示意图。如图5所示，数据传输设备包括：FIG. 5 is a schematic structural diagram of a data transmission device according to Embodiment 1 of the present application. As shown in Figure 5, the data transmission equipment includes:

获取模块501，用于根据边链路功率参数，确定边链路上的第一设备的发射功率；边链路功率参数包括如下中的至少一项：第一设备与网络设备之间的第一功率参数、M个第二设备与网络设备之间的第二功率参数、第一设备与M个第二设备间的配置发射功率值，其中M为不小于1的正整数；The obtaining module 501 is configured to determine the transmit power of the first device on the side link according to the side link power parameter; the side link power parameter includes at least one of the following: a first device between the first device and the network device Power parameters, second power parameters between M second devices and network devices, and configured transmit power values between the first device and M second devices, where M is a positive integer not less than 1;

发送模块502，用于使用第一设备的发射功率向M个第二设备发送数据。The sending module 502 is configured to send data to the M second devices by using the transmit power of the first device.

可选的，第一功率参数为第一设备与网络设备之间的第一路损，或者，根据第一路损获取的第一功率；M个第二设备中的一个第二设备的第二功率参数为第二设备与网络设备之间的第二路损，或者，根据第二路损获取的第二功率。Optionally, the first power parameter is the first path loss between the first device and the network device, or the first power obtained according to the first path loss; the second power of one second device among the M second devices; The power parameter is the second path loss between the second device and the network device, or the second power obtained according to the second path loss.

可选的，边链路功率参数包括第一功率参数，第一功率参数为第一功率，第一设备的发射功率不大于第一功率。Optionally, the side link power parameter includes a first power parameter, the first power parameter is the first power, and the transmit power of the first device is not greater than the first power.

可选的，边链路功率参数还包括M个第二功率参数，第二功率参数为第二功率，第一设备的发射功率不大于第一功率参数和M个第二功率中的至少一个。Optionally, the side link power parameter further includes M second power parameters, the second power parameter is the second power, and the transmit power of the first device is not greater than at least one of the first power parameter and the M second powers.

可选的，第一设备的发射功率为第一功率和M个第二功率中的最小值。Optionally, the transmit power of the first device is the minimum value of the first power and the M second powers.

可选的，边链路功率参数包括第一功率参数，第一功率参数为第一设备与网络设备之间的第一路损，第一设备的发射功率不大于根据第一路损获取的第一功率。Optionally, the side link power parameter includes a first power parameter, the first power parameter is the first path loss between the first device and the network device, and the transmit power of the first device is not greater than the first path loss obtained according to the first path loss. a power.

可选的，边链路功率参数还包括M个第二功率参数，M个第二设备中的一个第二设备的第二功率参数为第二设备与网络设备之间的第二路损，第一设备的发射功率不大于根据第一路损获取的第一功率，以及根据M个第二路损获取的M个第二功率。Optionally, the side link power parameter further includes M second power parameters, and the second power parameter of one of the M second devices is the second path loss between the second device and the network device, and the second power parameter of the second device is the second path loss between the second device and the network device. The transmit power of a device is not greater than the first power obtained according to the first path loss, and the M second powers obtained according to the M second path losses.

可选的，第一设备与M个第二设备的开环功率参数相同，第一设备和M个第二设备分别与网络设备之间的路损补偿因子相同，第一设备的发射功率为根据第一路损和M个第二路损中的最小路损获取的发射功率。Optionally, the open-loop power parameters of the first device and the M second devices are the same, the path loss compensation factors between the first device and the M second devices and the network device are the same, and the transmit power of the first device is based on The transmit power obtained by the smallest path loss among the first path loss and the M second path losses.

可选的，第一功率根据开环功率参数、第一路损、第一设备与网络设备的路损补偿因子和第一设备的传输带宽确定。Optionally, the first power is determined according to an open-loop power parameter, a first path loss, a path loss compensation factor between the first device and the network device, and a transmission bandwidth of the first device.

可选的，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，获取模块501具体用于，确定配置发射功率值为第一设备的发射功率。Optionally, the side link power parameter includes a configured transmit power value between the first device and the M second devices, and the obtaining module 501 is specifically configured to determine the configured transmit power value as the transmit power of the first device.

可选的，第一设备与M个第二设备之间的边链路上的配置发射功率值相同；配置发射功率值通过信令接收或预配置或预定义。Optionally, the configured transmit power values on the side links between the first device and the M second devices are the same; the configured transmit power values are received or preconfigured or predefined through signaling.

可选的，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，获取模块501具体用于，将第三功率和配置发射功率中的最大值作为第一设备的发射功率，第三功率为第一设备根据第一设备与M个第二设备之间的边链路的路损确定的功率。Optionally, the side link power parameter includes the configured transmit power value between the first device and the M second devices, and the obtaining module 501 is specifically configured to use the maximum value of the third power and the configured transmit power as the value of the first device. The transmit power, and the third power is the power determined by the first device according to the path losses of the side links between the first device and the M second devices.

可选的，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，获取模块501具体用于，确定配置发射功率值为第一设备的发射功率；Optionally, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the obtaining module 501 is specifically configured to determine the configured transmit power value as the transmit power of the first device;

可选的，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率，获取模块501具体用于，确定配置发射功率值为第一设备的发射功率；Optionally, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the configured transmit power value is not greater than the first power. The specific acquisition module 501 is: for determining that the configured transmit power value is the transmit power of the first device;

可选的，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，获取模块501具体用于，确定配置发射功率值为第一设备的发射功率，其中，配置发射功率值不大于第一功率和M个第二功率。Optionally, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the obtaining module 501 is specifically configured to determine the configured transmit power value as the transmit power of the first device, wherein the configured transmit power value is The transmit power value is not greater than the first power and the M second powers.

可选的，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数，以及M个第二设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率和M个第二功率，获取模块501具体用于，确定配置发射功率值为第一设备的发射功率；Optionally, the power control parameters of the side link of the first device, and the power control parameters of the communication link between the first device and the network device, and the communication links between the M second devices and the network device The power control parameters of the two devices are the same, and the configured transmit power value is not greater than the first power and M second powers, and the acquisition module 501 is specifically configured to determine the configured transmit power value as the transmit power of the first device;

可选的，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，获取模块501具体用于，Optionally, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the obtaining module 501 is specifically used to:

可选的，第一设备的发射功率不小于第三功率；Optionally, the transmit power of the first device is not less than the third power;

可选的，如图5所示，数据传输设备还包括：Optionally, as shown in Figure 5, the data transmission device further includes:

检测模块503，用于确定满足第一规则中的至少一项；第一规则包括：The detection module 503 is used to determine that at least one of the first rules is satisfied; the first rules include:

可选的，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，检测模块503还用于，Optionally, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the detection module 503 is further configured to:

可选的，如图5所示数据传输设备还包括：Optionally, as shown in Figure 5, the data transmission device further includes:

接收模块504，用于接收M个第二设备发送的各第二设备的第二功率参数的指示信息；或者，A receiving module 504, configured to receive the indication information of the second power parameter of each second device sent by the M second devices; or,

可选的，发送模块502还用于，向M个第二设备和/或网络设备发送第一功率参数的指示信息。Optionally, the sending module 502 is further configured to send indication information of the first power parameter to the M second devices and/or network devices.

可选的，发送模块502还用于，向M个第二设备和/或网络设备发送第三功率的指示信息。Optionally, the sending module 502 is further configured to send the indication information of the third power to the M second devices and/or network devices.

可选的，发送模块502还用于，向M个第二设备和/或网络设备发送第一设备与M个第二设备的边链路的路损的指示信息。Optionally, the sending module 502 is further configured to send, to the M second devices and/or network devices, the indication information of the path loss of the side links between the first device and the M second devices.

可选的，发送模块502还用于，向M个第二设备和/或网络设备发送第一功率余量报告；Optionally, the sending module 502 is further configured to send the first power headroom report to the M second devices and/or network devices;

可选的，接收模块504还用于，接收M个第二设备各自发送的M个第二功率余量报告，或者，第一设备接收网络设备发送的M个第二设备的第二功率余量报告；Optionally, the receiving module 504 is further configured to receive M second power headroom reports sent by each of the M second devices, or the first device receives the second power headroom reports of the M second devices sent by the network device. Report;

可选的，发送模块502还用于，向网络设备发送第三功率余量报告；Optionally, the sending module 502 is further configured to send a third power headroom report to the network device;

可选的，第一设备的发射功率不大于第一设备的预设最大发射功率。Optionally, the transmit power of the first device is not greater than the preset maximum transmit power of the first device.

可选的，预设最大发射功率包括如下中的至少一项：Optionally, the preset maximum transmit power includes at least one of the following:

可选的，发送模块502具体用于，以单播形式，使用第一设备的发射功率向M个第二设备发送数据，M为1；或，Optionally, the sending module 502 is specifically configured to, in a unicast form, use the transmit power of the first device to send data to M second devices, where M is 1; or,

可选的，第一设备在同一时刻存在至少两个通过边链路向M个第二设备发送数据的传输，边链路的传输方式包括如下中的至少两种：单播、组播和广播，至少两个传输的传输方式相同或不同。Optionally, the first device has at least two transmissions that send data to M second devices through side links at the same time, and the transmission modes of the side links include at least two of the following: unicast, multicast, and broadcast , at least two transmissions have the same or different transmission modes.

可选的，检测模块503还用于，确定在各传输的发射功率之和不大于第一设备的第八功率，第八功率为如下中的任一项：Optionally, the detection module 503 is further configured to determine that the sum of the transmit power in each transmission is not greater than the eighth power of the first device, where the eighth power is any one of the following:

可选的，第一设备在各传输下的发射功率之和大于第一设备的第八功率，数据传输设备还包括调整模块505，用于Optionally, the sum of the transmit power of the first device under each transmission is greater than the eighth power of the first device, and the data transmission device further includes an adjustment module 505 for

可选的，发送模块502具体用于，使用第一设备的发射功率在蜂窝链路所在的载波上向M个第二设备发送数据，蜂窝链路为终端设备与网络设备进行通信的链路。Optionally, the sending module 502 is specifically configured to use the transmit power of the first device to send data to the M second devices on the carrier where the cellular link is located, where the cellular link is a link for the terminal device to communicate with the network device.

图6为本申请实施例二提供的数据传输设备的结构示意图。如图6所示，数据传输设备包括：FIG. 6 is a schematic structural diagram of a data transmission device according to Embodiment 2 of the present application. As shown in Figure 6, the data transmission equipment includes:

处理器601，用于根据边链路功率参数，确定边链路上的第一设备的发射功率；边链路功率参数包括如下中的至少一项：第一设备与网络设备之间的第一功率参数、M个第二设备与网络设备之间的第二功率参数、第一设备与M个第二设备间的配置发射功率值，其中M为不小于1的正整数；The processor 601 is configured to determine the transmit power of the first device on the side link according to the side link power parameter; the side link power parameter includes at least one of the following: a first device between the first device and the network device Power parameters, second power parameters between M second devices and network devices, and configured transmit power values between the first device and M second devices, where M is a positive integer not less than 1;

发送器602，用于使用第一设备的发射功率向M个第二设备发送数据。The transmitter 602 is configured to send data to M second devices by using the transmit power of the first device.

可选的，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，处理器601具体用于，确定配置发射功率值为第一设备的发射功率。Optionally, the side link power parameter includes a configured transmit power value between the first device and the M second devices, and the processor 601 is specifically configured to determine the configured transmit power value as the transmit power of the first device.

可选的，边链路功率参数包括第一设备与M个第二设备间的配置发射功率值，处理器601具体用于，将第三功率和配置发射功率中的最大值作为第一设备的发射功率，第三功率为第一设备根据第一设备与M个第二设备之间的边链路的路损确定的功率。Optionally, the side link power parameter includes the configured transmit power value between the first device and the M second devices, and the processor 601 is specifically configured to use the maximum value of the third power and the configured transmit power as the first device's The transmit power, and the third power is the power determined by the first device according to the path losses of the side links between the first device and the M second devices.

可选的，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，处理器601具体用于，确定配置发射功率值为第一设备的发射功率；Optionally, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the processor 601 is specifically configured to determine that the configured transmit power value is the transmit power of the first device;

可选的，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率，处理器601具体用于，确定配置发射功率值为第一设备的发射功率；Optionally, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the configured transmit power value is not greater than the first power. The processor 601 specifically for determining that the configured transmit power value is the transmit power of the first device;

可选的，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，处理器601具体用于，确定配置发射功率值为第一设备的发射功率，其中，配置发射功率值不大于第一功率和M个第二功率。Optionally, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the processor 601 is specifically configured to determine that the configured transmit power value is the transmit power of the first device, wherein the configured transmit power value is the transmit power of the first device. The transmit power value is not greater than the first power and the M second powers.

可选的，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数，以及M个第二设备和网络设备之间的通信链路的功率控制参数相同，配置发射功率值不大于第一功率和M个第二功率，处理器601具体用于，确定配置发射功率值为第一设备的发射功率；Optionally, the power control parameters of the side link of the first device, and the power control parameters of the communication link between the first device and the network device, and the communication links between the M second devices and the network device The power control parameters are the same, and the configured transmit power value is not greater than the first power and M second powers, and the processor 601 is specifically configured to determine the configured transmit power value as the transmit power of the first device;

可选的，边链路功率参数还包括第一设备与M个第二设备间的配置发射功率值，处理器601具体用于，Optionally, the side link power parameter further includes a configured transmit power value between the first device and the M second devices, and the processor 601 is specifically configured to:

可选的，数据传输设备还包括：Optionally, the data transmission device further includes:

可选的，第一设备的边链路的功率控制参数，与，第一设备和网络设备之间的通信链路的功率控制参数相同，检测模块还用于，Optionally, the power control parameter of the side link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and the detection module is further used for:

接收器603，用于接收M个第二设备发送的各第二设备的第二功率参数的指示信息；或者，A receiver 603, configured to receive the indication information of the second power parameter of each second device sent by the M second devices; or,

可选的，发送器602还用于，向M个第二设备和/或网络设备发送第一功率参数的指示信息。Optionally, the transmitter 602 is further configured to send indication information of the first power parameter to the M second devices and/or network devices.

可选的，发送器602还用于，向M个第二设备和/或网络设备发送第三功率的指示信息。Optionally, the transmitter 602 is further configured to send the indication information of the third power to the M second devices and/or network devices.

可选的，发送器602还用于，向M个第二设备和/或网络设备发送第一设备与M个第二设备的边链路的路损的指示信息。Optionally, the transmitter 602 is further configured to send, to the M second devices and/or network devices, the indication information of the path loss of the side links between the first device and the M second devices.

可选的，发送器602还用于，向M个第二设备和/或网络设备发送第一功率余量报告；Optionally, the transmitter 602 is further configured to send the first power headroom report to the M second devices and/or network devices;

可选的，接收器603还用于，接收M个第二设备各自发送的M个第二功率余量报告，或者，第一设备接收网络设备发送的M个第二设备的第二功率余量报告；Optionally, the receiver 603 is further configured to receive M second power headroom reports sent by each of the M second devices, or the first device receives the second power headroom reports of the M second devices sent by the network device. Report;

可选的，发送器602还用于，向网络设备发送第三功率余量报告；Optionally, the transmitter 602 is further configured to send a third power headroom report to the network device;

可选的，发送器602具体用于，以单播形式，使用第一设备的发射功率向M个第二设备发送数据，M为1；或，Optionally, the transmitter 602 is specifically configured to, in a unicast form, use the transmit power of the first device to send data to M second devices, where M is 1; or,

可选的，处理器601还用于，确定在各传输的发射功率之和不大于第一设备的第八功率，第八功率为如下中的任一项：Optionally, the processor 601 is further configured to determine that the sum of the transmit powers in each transmission is not greater than the eighth power of the first device, where the eighth power is any one of the following:

可选的，第一设备在各传输下的发射功率之和大于第一设备的第八功率，处理器601还用于，Optionally, the sum of the transmit power of the first device under each transmission is greater than the eighth power of the first device, and the processor 601 is further configured to:

可选的，发送器602具体用于，使用第一设备的发射功率在蜂窝链路所在的载波上向M个第二设备发送数据，蜂窝链路为终端设备与网络设备进行通信的链路。Optionally, the transmitter 602 is specifically configured to use the transmit power of the first device to send data to the M second devices on the carrier where the cellular link is located, where the cellular link is a link for the terminal device to communicate with the network device.

本申请还提供一种数据传输设备。图7为本申请实施例三提供的数据传输设备的结构示意图。如图7所示，数据传输设备包括处理器701、存储器702、通信接口703以及总线704；其中，The present application also provides a data transmission device. FIG. 7 is a schematic structural diagram of a data transmission device according to Embodiment 3 of the present application. As shown in FIG. 7 , the data transmission device includes a processor 701, a memory 702, a communication interface 703 and a bus 704; wherein,

处理器701、存储器702和通信接口703之间通过总线704连接并完成相互间的通信，存储器702中用于存储计算机执行指令，设备运行时，处理器701执行存储器702中的计算机执行指令以利用设备中的硬件资源执行上述任一实施例中的第一设备侧的数据传输方法中的步骤。The processor 701, the memory 702 and the communication interface 703 are connected through a bus 704 and communicate with each other. The memory 702 is used to store computer-executed instructions. When the device is running, the processor 701 executes the computer-executed instructions in the memory 702 to utilize The hardware resources in the device execute the steps in the first device-side data transmission method in any of the foregoing embodiments.

本申请还提供一种电子设备，包括：处理器、存储器和计算机程序；The present application also provides an electronic device, including: a processor, a memory and a computer program;

计算机程序存储在存储器中，处理器运行计算机程序执行如上述任一实施例中的第一设备侧的数据传输方法中的步骤。The computer program is stored in the memory, and the processor executes the computer program to execute the steps in the data transmission method on the first device side in any of the foregoing embodiments.

本申请还提供一种计算机存储介质，存储介质包括计算机程序，计算机程序用于实现如上述任一实施例中的第一设备侧的数据传输方法中的步骤。The present application also provides a computer storage medium, where the storage medium includes a computer program, and the computer program is used to implement the steps in the data transmission method on the first device side in any of the foregoing embodiments.

本申请还提供一种计算机程序产品，所述计算机程序产品包括计算机程序代码，当所述计算机程序代码在计算机上运行时，使得计算机执行如上述任一实施例中的第一设备侧的数据传输方法中的步骤。The present application also provides a computer program product, the computer program product includes computer program code, when the computer program code is run on a computer, the computer program code enables the computer to perform data transmission on the first device side as in any of the above embodiments steps in the method.

本申请还提供一种芯片，包括存储器和处理器，所述存储器用于存储计算机程序，所述处理器用于从所述存储器中调用并运行所述计算机程序，使得安装有所述芯片的电子设备执行如上述任一实施例中的第一设备侧的数据传输方法中的步骤。The present application also provides a chip, including a memory and a processor, where the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that an electronic device equipped with the chip is installed The steps in the data transmission method on the first device side in any of the foregoing embodiments are performed.

本申请中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A,B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项(个)”或其类似表达，是指的这些项中的任意组合，包括单项(个)或复数项(个)的任意组合。例如，a,b,或c中的至少一项(个)，可以表示：a,b,c,a-b,a-c,b-c,或a-b-c，其中a,b,c可以是单个，也可以是多个。In this application, "at least one" means one or more, and "plurality" means two or more. "And/or", which describes the relationship of the associated objects, indicates that there can be three kinds of relationships, for example, A and/or B, it can indicate that A exists alone, A and B exist at the same time, and B exists alone, where A, B can be singular or plural. The character "/" generally indicates that the associated objects are an "or" relationship. "At least one item(s) below" or similar expressions thereof refer to any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one item (a) of a, b, or c can represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c may be single or multiple .

本申请实施例中涉及的处理器可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列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申请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任何常规的处理器等。结合本申请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。The processors involved in the embodiments of the present application may be general-purpose processors, digital signal processors, application-specific integrated circuits, field programmable gate arrays or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and may implement or The methods, steps and logic block diagrams disclosed in the embodiments of this application are executed. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.

本申请实施例中涉及的存储器可以是非易失性存储器，比如硬盘(hard diskdrive，HDD)或固态硬盘(solid-state drive，SSD)等，还可以是易失性存储器(volatilememory)，例如随机存取存储器(random-access memory，RAM)。存储器是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。The memory involved in the embodiments of the present application may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), etc., and may also be a volatile memory (volatile memory), such as random memory Access memory (random-access memory, RAM). Memory is, but is not limited to, any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.

在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，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，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units.

本领域普通技术人员可以理解，在本申请的各种实施例中，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，而不应对本申请实施例的实施过程构成任何限定。Those of ordinary skill in the art can understand that, in various embodiments of the present application, the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, rather than No limitation should be formed on the implementation process of the embodiments of the present application.

在上述各实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，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。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。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(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。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成的服务器、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(例如固态硬盘Solid State Disk(SSD))等。All or part of the above embodiments may be implemented by software, hardware, firmware or any combination thereof. When implemented in software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated. The computer may be a general purpose computer, special purpose computer, computer network, or other programmable device. 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 downloaded from a website site, computer, server or data center Transmission to another website site, computer, server, or data center is by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg, 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, data center, etc. that includes an integration of one or more available media. The usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVD), or semiconductor media (eg, Solid State Disk (SSD)), among others.

Claims

1. A method of data transmission, comprising:

the first equipment determines the transmitting power of the first equipment on the side link according to the side link power parameter; the side link power parameter includes at least one of: a first power parameter between the first device and a network device, and a configured transmission power value between the first device and M second devices, wherein M is a positive integer not less than 1;

the first device transmits data to the M second devices by using the transmission power of the first device;

wherein the transmission power of the first device is not greater than the first power, and the transmission power of the first device is not less than a third power; the first power is determined by a first path loss between the first device and the network device; the third power is determined by the first device according to the path loss of the edge link between the first device and the M second devices.

2. The method of claim 1, wherein the first power parameter is a first path loss between the first device and the network device, or a first power obtained according to the first path loss;

and the second power parameter of one of the M second devices is a second path loss between the second device and the network device, or a second power obtained according to the second path loss.

3. The method of claim 2, wherein the side-link power parameter comprises the first power parameter, wherein the first power parameter is the first power, and wherein a transmit power of the first device is not greater than the first power.

4. The method of claim 2, wherein the side-link power parameter comprises the first power parameter, wherein the first power parameter is a first path loss between the first device and the network device, and wherein a transmit power of the first device is not greater than a first power obtained according to the first path loss.

5. The method of any one of claims 2-4, wherein the side link power parameter comprises a configured transmit power value between the first device and the M second devices, and wherein the first device determines the transmit power of the first device on the side link according to the side link power parameter, comprising:

the first device determines the configured transmit power value as a transmit power of the first device.

6. The method of claim 3, wherein the side-link power parameter further includes configured transmission power values between the first device and the M second devices, and wherein the determining, by the first device, the transmission power of the first device on the side-link according to the side-link power parameter comprises:

the configured transmission power value is greater than the first power, and the first device uses the first power or the third power as the transmission power of the first device on the side link; or,

the first device takes a fourth power not greater than the first power as the transmission power of the first device; or,

the first device takes a fifth power which is not more than the first power and not less than the third power as the transmission power of the first device;

wherein the third power is determined according to a path loss compensation factor of the edge links of the first device and the M second devices, a transmission bandwidth of the first device, path losses of the edge links of the first device and the M second devices, and an open loop power parameter.

7. The method according to any of claims 2-4, 6, wherein before the first device determines the transmit power of the first device on the sidelink according to the sidelink power parameter, the method further comprises:

the first device determining that at least one of first rules is satisfied; the first rule includes:

the third power is not greater than the first power; or,

the third power is not greater than the second power;

the third power is determined by the first device according to the path loss of the edge link between the first device and the M second devices.

8. The method according to any of claims 2-4 and 6, wherein the power control parameter of the edge link of the first device is the same as the power control parameter of the communication link between the first device and the network device, and before the first device determines the transmit power of the first device on the edge link according to the edge link power parameter, the method further comprises:

the first device determining that at least one of second rules is satisfied; the second rule includes:

the path loss of the side links of the first device and the M second devices is not greater than the first path loss between the first device and the network device; or,

the path loss of the first device and the edge links of the M second devices is not greater than the second path loss between the M second devices and the network device.

9. The method according to any of claims 2-4, 6, wherein before the first device determines the transmit power of the first device on the sidelink according to the sidelink power parameter, the method further comprises:

the first device receives indication information of a second power parameter of each second device, which is sent by the M second devices; or,

and the first equipment receives indication information of the second power parameters of the M second equipment, which is sent by the network equipment.

10. The method according to any one of claims 2-4, 6, further comprising:

and the first equipment sends the indication information of the first power parameter to the M second equipment and/or the network equipment.

11. The method of claim 6, further comprising:

and the first equipment sends the indication information of the third power to the M second equipment and/or the network equipment.

12. The method of any of claims 2-4, 6, 11, further comprising:

and the first equipment sends indication information of the path loss of the side links of the first equipment and the M second equipment to the M second equipment and/or the network equipment.

13. The method of any of claims 2-4, 6, 11, further comprising:

the first device sends a first power headroom report to the M second devices and/or the network device;

the first power headroom report carries indication information of the first power parameter, and the first power headroom report is generated by taking first power of the first device as transmission power of the first device.

14. The method according to any of claims 2-4, 6, 11, wherein before the first device determines the transmit power of the first device on the sidelink based on the sidelink power parameter, the method further comprises:

the first device receives M second power headroom reports sent by the M second devices, or the first device receives the second power headroom reports of the M second devices sent by the network device;

a second power headroom report of any one of the second devices carries indication information of a second power parameter of the second device, where the second power headroom report is generated by using a second power of the second device as a transmission power of the second device.

15. The method according to any of claims 2-4, 6, 11, wherein the transmission power of the first device is not greater than a preset maximum transmission power of the first device.

16. The method according to any of claims 2-4, 6, 11, wherein the first device has at least two transmissions to send data to the M second devices over the side link at the same time, and wherein the transmission mode of the side link comprises at least two of: unicast, multicast and broadcast, the transmission modes of the at least two transmissions being the same or different.

17. The method of claim 16, wherein a sum of transmit powers of the first device at each transmission is greater than an eighth power of the first device, and wherein before the first device transmits data to the M second devices using the transmit power of the first device, the method further comprises:

the first equipment adjusts the transmitting power of the first equipment under each transmission according to the priority of each transmission and the side link power parameter; or,

the first device determines transmission with the transmission power of 0 and transmission power corresponding to transmission with the transmission power of not 0 according to the sequence of the priority of each transmission from low to high, and discards the transmission with the transmission power of 0; or,

the first equipment distributes the second power to each transmission according to a preset proportion, and determines the transmitting power of the first equipment under each transmission; or,

the first equipment determines the transmitting power of the first equipment under each transmission according to the congestion level of the channel corresponding to each transmission and the side link power parameter; or,

the first device determines a power configuration/dropping order of each of the transmissions according to a predefined rule, and the first device determines transmit powers of dropped transmissions and non-dropped transmissions according to the power configuration/dropping order of each of the transmissions; or,

and the first equipment determines the sending order of each transmission according to a predefined rule, and determines the transmitting power of the first equipment under each transmission according to the sending order of each transmission.

18. A data transmission device, as a first device, comprising:

a processor, configured to determine, according to an edge link power parameter, a transmit power of the first device on an edge link; the side link power parameter includes at least one of: a first power parameter between the first device and a network device, and a configured transmission power value between the first device and M second devices, wherein M is a positive integer not less than 1;

a transmitter, configured to transmit data to the M second devices using a transmission power of the first device, where the transmission power of the first device is not greater than the first power, and the transmission power of the first device is not less than a third power; the first power is determined by a first path loss between the first device and the network device; the third power is determined by the first device according to the path loss of the edge link between the first device and the M second devices.

19. The device of claim 18, wherein the first power parameter is a first path loss between the first device and the network device, or a first power obtained according to the first path loss;

20. The device of claim 19, wherein the side-link power parameter comprises the first power parameter, wherein the first power parameter is the first power, and wherein a transmit power of the first device is not greater than the first power.

21. The device of claim 19, wherein the side-link power parameter comprises the first power parameter, wherein the first power parameter is a first path loss between the first device and the network device, and wherein a transmit power of the first device is not greater than a first power obtained according to the first path loss.

22. The apparatus of any of claims 19-21, wherein the side-link power parameter comprises a configured transmit power value between the first apparatus and the M second apparatuses, and wherein the processor is specifically configured to determine the configured transmit power value as a transmit power of the first apparatus.

23. The device of claim 20, wherein the side-link power parameter further comprises a configured transmit power value between the first device and the M second devices, and wherein the processor is further configured to,

taking the first power or the third power as the transmission power of the first equipment on the side link; or,

taking a fourth power not greater than the first power as a transmit power of the first device; or,

taking a fifth power, which is not greater than the first power and not less than the third power, as a transmission power of the first device;

wherein the configured transmission power value is greater than the first power, and the third power is determined according to a path loss compensation factor of edge links between the first device and the M second devices, a transmission bandwidth of the first device, path losses of edge links between the first device and the M second devices, and an open loop power parameter.

24. The apparatus of any of claims 19-21, 23, wherein the processor is further configured to determine that at least one of a first rule is satisfied; the first rule includes:

the third power is not greater than the first power; or,

the third power is not greater than the second power;

25. The device of any of claims 19-21, 23, wherein the power control parameter of the edge link of the first device is the same as the power control parameter of the communication link between the first device and the network device, wherein the first device is further configured to determine that at least one of the second rules is satisfied based on the edge link power parameter; the second rule includes:

26. The apparatus according to any of claims 19-21, 23, further comprising:

a receiver, configured to receive indication information of a second power parameter of each of the M second devices, where the indication information is sent by the M second devices; or,

and receiving indication information of the second power parameters of the M second devices, which is sent by the network device.

27. The device according to any of claims 19-21, 23, wherein said transmitter is further configured to transmit an indication of said first power parameter to said M second devices and/or said network device.

28. An electronic device, comprising: a processor, memory and computer program;

the computer program is stored in the memory, and the processor executes the computer program to perform the data transmission method according to any one of claims 1 to 17.

29. A computer storage medium, characterized in that the storage medium comprises a computer program for implementing the data transmission method according to any one of claims 1-17.

30. A chip comprising a memory for storing a computer program and a processor for calling and running the computer program from the memory so that an electronic device in which the chip is installed performs the data transmission method according to any one of claims 1 to 17.