Transmit power control configuration for physical uplink control channel repetition across multiple component carriers
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive downlink control information (DCI) scheduling transmission of a first one or more physical uplink control channel (PUCCH) communications on a first component carrier and a second one or more PUCCH communications on a second component carrier, wherein the DCI includes information identifying a first transmit power configuration for the first one or more PUCCH communications and a second transmit power configuration for the second one or more PUCCH communications. The UE may transmit the first one or more PUCCH communications in accordance with the first transmit power configuration and the second one or more PUCCH communications in accordance with the second transmit power configuration. Numerous other aspects are described.
1 . A user equipment (UE) for wireless communication, comprising:
memory; and
one or more processors coupled to the memory, the memory comprising instructions executable by the one or more processors to cause the UE to:
receive downlink control information (DCI) scheduling transmission of a first one or more physical uplink control channel (PUCCH) communications, wherein the first one or more PUCCH communications comprise a first subset of a set of PUCCH repetitions, on a first component carrier and a second one or more PUCCH communications, wherein the second one or more PUCCH communications comprise a second subset of the set of PUCCH repetitions, on a second component carrier, wherein the DCI includes information identifying a first transmit power configuration for the first one or more PUCCH communications and a second transmit power configuration for the second one or more PUCCH communications; and
transmit the first one or more PUCCH communications in accordance with the first transmit power configuration and the second one or more PUCCH communications in accordance with the second transmit power configuration.
2 . The UE of claim 1 ,
wherein the first subset of the set of PUCCH repetitions comprise a first one or more repetitions of an uplink control information (UCI) message and the second subset of the set of PUCCH repetitions comprise a second one or more repetitions of the UCI message.
3 . The UE of claim 1 ,
wherein the DCI includes a single transmit power control (TPC) command, and
wherein the first transmit power configuration and the second transmit power configuration are based at least in part on the single TPC command.
4 . The UE of claim 1 ,
wherein the DCI includes a single transmit power control (TPC) command, and
wherein one of the first transmit power configuration or the second transmit power configuration is based at least in part on the single TPC command.
5 . The UE of claim 4 ,
wherein the first component carrier is associated with a first index and the second component carrier is associated with a second index, and
wherein the one of the first transmit power configuration or the second transmit power configuration derived from the single TPC command is based at least in part on at least one of the first index or the second index.
6 . The UE of claim 4 ,
wherein the one of the first transmit power configuration or the second transmit power configuration derived from the single TPC command is based at least in part on at least one of a bit indicator of the DCI or a configuration of the DCI.
7 . The UE of claim 1 ,
wherein the DCI includes a first transmit power control (TPC) field with a first value and a second TPC field with a second value, and
wherein the first transmit power configuration is based at least in part on the first value of the first TPC field and the second transmit power configuration is based at least in part on the second value of the second TPC field.
8 . The UE of claim 1 ,
wherein the DCI includes a single transmit power control (TPC) field that maps to a pair of TPC commands,
wherein the first transmit power configuration is based at least in part on a first TPC command of the pair of TPC commands and the second transmit power configuration is based at least in part on a second TPC command of the pair of TPC commands.
9 . The UE of claim 8 ,
wherein the TPC field is a 3 bit field.
10 . The UE of claim 8 ,
wherein a mapping of the TPC field to different TPC commands is a fixed mapping or a radio resource control configured mapping.
11 . The UE of claim 1 ,
wherein the first transmit power configuration and the second transmit power configuration are based at least in part on a format of the DCI.
12 . The UE of claim 1 ,
wherein a radio resource control configuration indicates a configuration for applying at least one of the first transmit power configuration or the second transmit power configuration; and
wherein the configuration indicates at least one of:
that the DCI includes a single transmit power control (TPC) command applicable to the first transmit power configuration and the second transmit power configuration,
that the DCI includes a single TPC command applicable to one of the first transmit power configuration or the second transmit power configuration in accordance with the configuration,
that the DCI includes a first TPC command applicable to the first transmit power configuration and a second TPC command applicable to the second transmit power configuration, or
that the DCI includes a single TPC field that maps to a pair of TPC commands respective corresponding to the first transmit power configuration and the second transmit power configuration.
13 . The UE of claim 1 ,
wherein the DCI schedules a downlink shared channel communication and schedules an uplink control channel communication with a plurality of repetitions across a plurality of component carriers for transmitting a feedback message corresponding to the downlink shared channel.
14 . The UE of claim 13 ,
wherein the plurality of component carriers includes a first component carrier associated with a first closed loop power adjustment state corresponding to the first transmit power configuration and a second component carrier associated with a second closed loop power adjustment state corresponding to the second transmit power configuration.
15 . A network node for wireless communication, comprising:
memory; and
one or more processors coupled to the memory, the memory comprising instructions executable by the one or more processors to cause the network node to:
transmit downlink control information (DCI) scheduling transmission of a first one or more physical uplink control channel (PUCCH) communications, wherein the first one or more PUCCH communications comprise a first subset of a set of PUCCH repetitions, on a first component carrier and a second one or more PUCCH communications, wherein the second one or more PUCCH communications comprise a second subset of the set of PUCCH repetitions, on a second component carrier, wherein the DCI includes information identifying a first transmit power configuration for the first one or more PUCCH communications and a second transmit power configuration for the second one or more PUCCH communications; and
receive the first one or more PUCCH communications in accordance with the first transmit power configuration and the second one or more PUCCH communications in accordance with the second transmit power configuration.
16 . The network node of claim 15 ,
wherein the first subset of the set of PUCCH repetitions comprise a first one or more repetitions of an uplink control information (UCI) message and the second subset of the set of PUCCH repetitions comprise a second one or more repetitions of the UCI message.
17 . The network node of claim 15 ,
wherein the DCI includes a single transmit power control (TPC) command, and
wherein the first transmit power configuration and the second transmit power configuration are based at least in part on the single TPC command.
18 . The network node of claim 15 ,
wherein the DCI includes a single transmit power control (TPC) command, and
wherein one of the first transmit power configuration or the second transmit power configuration is based at least in part on the single TPC command.
19 . The network node of claim 18 ,
wherein the first component carrier is associated with a first index and the second component carrier is associated with a second index, and
wherein the one of the first transmit power configuration or the second transmit power configuration derived from the single TPC command is based at least in part on at least one of the first index or the second index.
20 . The network node of claim 18 ,
wherein the one of the first transmit power configuration or the second transmit power configuration derived from the single TPC command is based at least in part on at least one of a bit indicator of the DCI or a configuration of the DCI.
21 . The network node of claim 15 ,
wherein the DCI includes a first transmit power control (TPC) field with a first value and a second TPC field with a second value, and
wherein the first transmit power configuration is based at least in part on the first value of the first TPC field and the second transmit power configuration is based at least in part on the second value of the second TPC field.
22 . The network node of claim 15 ,
wherein the DCI includes a single transmit power control (TPC) field that maps to a pair of TPC commands,
wherein the first transmit power configuration is based at least in part on a first TPC command of the pair of TPC commands and the second transmit power configuration is based at least in part on a second TPC command of the pair of TPC commands.
23 . The network node of claim 22 ,
wherein the TPC field is a 3 bit field.
24 . The network node of claim 22 ,
wherein a mapping of the TPC field to different TPC commands is a fixed mapping or a radio resource control configured mapping.
25 . The network node of claim 22 ,
wherein the first transmit power configuration and the second transmit power configuration are based at least in part on a format of the DCI.
26 . The network node of claim 15 ,
wherein a radio resource control configuration indicates a configuration for applying at least one of the first transmit power configuration or the second transmit power configuration; and
wherein the configuration indicates at least one of:
that the DCI includes a single transmit power control (TPC) command applicable to the first transmit power configuration and the second transmit power configuration,
that the DCI includes a single TPC command applicable to one of the first transmit power configuration or the second transmit power configuration in accordance with the configuration,
that the DCI includes a first TPC command applicable to the first transmit power configuration and a second TPC command applicable to the second transmit power configuration, or
that the DCI includes a single TPC field that maps to a pair of TPC commands respective corresponding to the first transmit power configuration and the second transmit power configuration.
27 . The network node of claim 15 ,
wherein the DCI schedules a downlink shared channel communication and schedules an uplink control channel communication with a plurality of repetitions across a plurality of component carriers for transmitting a feedback message corresponding to the downlink shared channel.
28 . The network node of claim 27 ,
wherein the plurality of component carriers includes a first component carrier associated with a first closed loop power adjustment state corresponding to the first transmit power configuration and a second component carrier associated with a second closed loop power adjustment state corresponding to the second transmit power configuration.
29 . A method of wireless communication performed by a user equipment (UE), comprising:
receiving downlink control information (DCI) scheduling transmission of a first one or more physical uplink control channel (PUCCH) communications, wherein the first one or more PUCCH communications comprise a first subset of a set of PUCCH repetitions, on a first component carrier and a second one or more PUCCH communications, wherein the second one or more PUCCH communications comprise a second subset of the set of PUCCH repetitions, on a second component carrier, wherein the DCI includes information identifying a first transmit power configuration for the first one or more PUCCH communications and a second transmit power configuration for the second one or more PUCCH communications; and
transmitting the first one or more PUCCH communications in accordance with the first transmit power configuration and the second one or more PUCCH communications in accordance with the second transmit power configuration.
30 . A method of wireless communication performed by a network node, comprising:
transmitting downlink control information (DCI) scheduling transmission of a first one or more physical uplink control channel (PUCCH) communications, wherein the first one or more PUCCH communications comprise a first subset of a set of PUCCH repetitions, on a first component carrier and a second one or more PUCCH communications, wherein the second one or more PUCCH communications comprise a second subset of the set of PUCCH repetitions, on a second component carrier, wherein the DCI includes information identifying a first transmit power configuration for the first one or more PUCCH communications and a second transmit power configuration for the second one or more PUCCH communications; and
receiving the first one or more PUCCH communications in accordance with the first transmit power configuration and the second one or more PUCCH communications in accordance with the second transmit power configuration.