Data Sending Method and Device

Abstract

An embodiment method includes: obtaining, by a first device, at least one parameter used to determine transmit power; determining, by the first device, the transmit power according to the at least one parameter; and sending, by the first device, data by using the determined transmit power. The at least one parameter includes at least one of the following parameters: a resource pool used for data transmission, a type of a to-be-sent message or service, a transmit interval or a transmit frequency of a to-be-sent message or service, a size of a message packet, a priority of a to-be-sent message or service, an ID of a to-be-sent message or service.

What is claimed is: 
     
         1 . A method comprising:
 obtaining, by a first device, a parameter for determining transmit power, wherein the parameter comprises a priority of a to-be-sent message or a priority of Physical Sidelink Shared Channel (PSSCH);   determining, by the first device, a first transmit power parameter corresponding to the parameter;   determining, by the first device, the transmit power according to the first transmit power parameter, the first transmit power parameter comprises a maximum transmit power; and   sending, by the first device, the PSSCH according to the transmit power, wherein the PSSCH corresponds to the to-be-sent message or a service.   
     
     
         2 . The method according to  claim 1 , wherein obtaining, by a first device, the parameter for determining transmit power comprises:
 obtaining, by the first device, the parameter by configuration from a base station.   
     
     
         3 . The method according to  claim 1 , wherein data corresponding to the to-be-sent message or the service comprises: control signaling, service data, a reference signal, a broadcast signal, or a synchronization signal. 
     
     
         4 . An apparatus comprising:
 a processor; and   a non-transitory computer readable storage medium storing programing for execution by the processor, the programing including instructions to:
 obtain a parameter for determining transmit power, wherein the parameter comprises a priority of a to-be-sent message or a priority of a Physical Sidelink Shared Channel (PSSCH); 
 determine a first transmit power parameter corresponding to the parameter; 
 determine the transmit power according to the first transmit power parameter, the first transmit power parameter comprises a maximum transmit power; and 
 send the PSSCH according to the transmit power, wherein the PSSCH corresponds to the to-be-sent message or a service. 
   
     
     
         5 . The apparatus according to  claim 4 , wherein the instructions comprise further instructions to:
 obtain the parameter by configuration from a base station.   
     
     
         6 . The apparatus according to  claim 4 , wherein data corresponding to the to-be-sent message or the service comprises: control signaling, service data, a reference signal, a broadcast signal, or a synchronization signal. 
     
     
         7 . A non-transitory computer-readable media storing computer instructions that when executed by one or more processors, cause the one or more processors to perform:
 obtaining a parameter for determining transmit power, wherein the parameter comprises a priority of a to-be-sent message or a priority of Physical Sidelink Shared Channel (PSSCH);   determining a first transmit power parameter corresponding to the parameter;   determining a transmit power according to the, the first transmit power parameter comprises a maximum transmit power; and   sending the PSSCH according to the transmit power, wherein the PSSCH corresponds to the to-be-sent message or a service.   
     
     
         8 . The non-transitory computer-readable media according to  claim 7 , wherein the computer instructions further cause the one or more processors to perform:
 obtaining the parameter by configuration from a base station.   
     
     
         9 . The non-transitory computer-readable media according to  claim 7 , wherein data corresponding to the to-be-sent message or the service comprises: control signaling, service data, a reference signal, a broadcast signal, or a synchronization signal.