Techniques and apparatuses for multi-link transmit power control

Abstract

Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive one or more downlink control information (DCI) transmissions including a plurality of transmit power control (TPC) commands. The plurality of TPC commands may relate to an uplink channel transmit power for a plurality of uplink beam-pairs. The wireless communication device may determine the uplink channel transmit power for the plurality of uplink beam-pairs based at least in part on the plurality of TPC commands. Numerous other aspects are provided.

What is claimed is: 
     
         1 . A method of wireless communication, comprising:
 receiving, by a wireless communication device, one or more downlink control information (DCI) transmissions including a plurality of transmit power control (TPC) commands,
 the plurality of TPC commands relating to transmit power for a plurality of uplink channels,
 a first TPC command, of the plurality of TPC commands, corresponding to a first type of channel, and 
 a second TPC command, of the plurality of TPC commands, corresponding to a second type of channel; and 
 
   determining, by the wireless communication device, a first transmit power for the first type of channel based on the first TPC command and a second transmit power for the second type of channel based on the second TPC command.   
     
     
         2 . The method of  claim 1 , wherein the plurality of uplink channels are transmitted as part of a directional beam. 
     
     
         3 . The method of  claim 1 ,
 wherein the first type of channel is a shared data channel, and   wherein the second type of channel is a control channel.   
     
     
         4 . The method of  claim 3 , further comprising:
 transmitting on the shared data channel using the first transmit power; and   transmitting on the control channel using the second transmit power.   
     
     
         5 . The method of  claim 1 , wherein the plurality of TPC commands are provided via a multicast transmission. 
     
     
         6 . The method of  claim 5 ,
 wherein the multicast transmission does not include a set of padding bits, and   wherein a quantity of TPC bits of the multicast transmission is associated with a quantity of TPC commands of the plurality of TPC commands.   
     
     
         7 . The method of  claim 5 ,
 wherein the multicast transmission includes a set of padding bits,   wherein the set of padding bits includes information associated with the plurality of TPC commands.   
     
     
         8 . A device for wireless communication, comprising:
 a memory; and   one or more processors operatively coupled to the memory, the memory and the one or more processors configured to:
 receive one or more downlink control information (DCI) transmissions including a plurality of transmit power control (TPC) commands,
 the plurality of TPC commands relating to transmit power for a plurality of uplink channels,
 a first TPC command, of the plurality of TPC commands, corresponding to a first type of channel, and 
 a second TPC command, of the plurality of TPC commands, corresponding to a second type of channel; and 
 
 
 determine a first transmit power for the first type of channel based on the first TPC command and a second transmit power for the second type of channel based on the second TPC command. 
   
     
     
         9 . The device of  claim 8 , wherein the plurality of uplink channels are transmitted as part of a directional beam. 
     
     
         10 . The device of  claim 8 ,
 wherein the first type of channel is a shared data channel, and   wherein the second type of channel is a control channel.   
     
     
         11 . The device of  claim 10 , wherein the one or more processors are further configured to:
 transmit on the shared data channel using the first transmit power; and   transmit on the control channel using the second transmit power.   
     
     
         12 . A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising:
 one or more instructions that, when executed by one or more processors, cause the one or more processors to:
 receive one or more downlink control information (DCI) transmissions including a plurality of transmit power control (TPC) commands,
 the plurality of TPC commands relating to transmit power for a plurality of uplink channels,
 a first TPC command, of the plurality of TPC commands, corresponding to a first type of channel, and 
 a second TPC command, of the plurality of TPC commands, corresponding to a second type of channel; and 
 
 
 determine a first transmit power for the first type of channel based on the first TPC command and a second transmit power for the second type of channel based on the second TPC command. 
   
     
     
         13 . The non-transitory computer-readable medium of  claim 12 , wherein the plurality of uplink channels are transmitted as part of a directional beam. 
     
     
         14 . The non-transitory computer-readable medium of  claim 12 ,
 wherein the first type of channel is a shared data channel, and   wherein the second type of channel is a control channel.   
     
     
         15 . The non-transitory computer-readable medium of  claim 14 , wherein the one or more instructions, when executed by the one or more processors, further cause the one or more processors to:
 transmit on the shared data channel using the first transmit power; and   transmit on the control channel using the second transmit power.   
     
     
         16 . An apparatus for wireless communication, comprising:
 means for receiving one or more downlink control information (DCI) transmissions including a plurality of transmit power control (TPC) commands,
 the plurality of TPC commands relating to transmit power for a plurality of uplink channels,
 a first TPC command, of the plurality of TPC commands, corresponding to a first type of channel, and 
 a second TPC command, of the plurality of TPC commands, corresponding to a second type of channel; and 
 
   means for determining a first transmit power for the first type of channel based on the first TPC command and a second transmit power for the second type of channel based on the second TPC command.   
     
     
         17 . The apparatus of  claim 16 , wherein the plurality of uplink channels are transmitted as part of a directional beam. 
     
     
         18 . The apparatus of  claim 16 ,
 wherein the first type of channel is a shared data channel, and   wherein the second type of channel is a control channel.   
     
     
         19 . The apparatus of  claim 18 , further comprising:
 means for transmitting on the shared data channel using the first transmit power; and   means for transmitting on the control channel using the second transmit power.   
     
     
         20 . The apparatus of  claim 16 , wherein the plurality of TPC commands are provided via a multicast transmission.