Beam-specific duty cycle
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a maximum permissible exposure (MPE) condition for one or more transmit beams of the UE; and transmit, to a base station based at least in part on the MPE condition, information indicating one or more duty cycle values for the one or more transmit beams. Numerous other aspects are provided.
1. A method of wireless communication performed by a user equipment (UE), comprising:
receiving, via radio resource control signaling, information identifying a plurality of transmit beams of the UE, the plurality of transmit beams corresponding to beams with one or more duty cycle values to be reported;
determining a maximum permissible exposure (MPE) condition for the plurality of transmit beams; and
transmitting, to a network entity based at least in part on the MPE condition, information indicating the one or more duty cycle values, the one or more duty cycle values including at least one duty cycle value for each beam of the plurality of transmit beams, wherein the information indicating the one or more duty cycle values includes a bitmap identifying the plurality of transmit beams.
2. The method of claim 1 , wherein the information indicating the one or more duty cycle values is transmitted in a medium access control control element.
3. The method of claim 1 , wherein the information indicating the one or more duty cycle values is transmitted in an uplink beam report.
4. The method of claim 1 , wherein the information indicating the one or more duty cycle values identifies the plurality of transmit beams based at least in part on a plurality of corresponding uplink beam identifiers.
5. The method of claim 1 , wherein the information indicating the one or more duty cycle values identifies the plurality of transmit beams based at least in part on a plurality of corresponding spatial reference signal identifiers.
6. The method of claim 1 , wherein the information indicating the one or more duty cycle values identifies the plurality of transmit beams based at least in part on a plurality of corresponding uplink resource identifiers.
7. The method of claim 1 , further comprising:
providing, with the information indicating the one or more duty cycle values, additional information indicating one or more maximum output power reduction values for at least one beam of the plurality of transmit beams.
8. The method of claim 1 , further comprising:
providing, with the information indicating the one or more duty cycle values, additional information indicating one or more maximum output power values for at least one beam of the plurality of transmit beams.
9. The method of claim 1 , further comprising:
providing, with the information indicating the one or more duty cycle values, additional information indicating one or more power headroom values for at least one beam of the plurality of transmit beams.
10. A method of wireless communication performed by a network entity, comprising:
transmitting, via radio resource control signaling, information identifying a plurality of transmit beams of a user equipment (UE), the plurality of transmit beams corresponding to beams with one or more duty cycle values to be reported;
receiving, based at least in part on a maximum permissible exposure (MPE) condition for the plurality of transmit beams, information indicating the one or more duty cycle values, the one or more duty cycle values including at least one duty cycle value for each beam of the plurality of transmit beams, wherein the information indicating the one or more duty cycle values includes a bitmap identifying the plurality of transmit beams; and
communicating with the UE in accordance with the one or more duty cycle values.
11. The method of claim 10 , wherein the information indicating the one or more duty cycle values is received in a medium access control control element.
12. The method of claim 10 , wherein the information indicating the one or more duty cycle values is received in an uplink beam report.
13. The method of claim 10 , wherein the information indicating the one or more duty cycle values identifies the plurality of transmit beams based at least in part on a plurality of corresponding uplink beam identifiers.
14. The method of claim 10 , wherein the information indicating the one or more duty cycle values identifies the plurality of transmit beams based at least in part on a plurality of corresponding spatial reference signal identifiers.
15. The method of claim 10 , wherein the information indicating the one or more duty cycle values identifies the plurality of transmit beams based at least in part on a plurality of corresponding uplink resource identifiers.
16. The method of claim 10 , further comprising:
receiving, with the information indicating the one or more duty cycle values, additional information indicating one or more maximum output power reduction values for at least one beam of the plurality of transmit beams.
17. The method of claim 10 , further comprising:
receiving, with the information indicating the one or more duty cycle values, additional information indicating one or more maximum output power values for at least one beam of the plurality of transmit beams.
18. The method of claim 10 , further comprising:
receiving, with the information indicating the one or more duty cycle values, additional information indicating one or more power headroom values for at least one beam of the plurality of transmit beams.
19. The method of claim 10 , wherein the information indicating the one or more duty cycle values is reported periodically based at least in part on a periodicity.
20. A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors coupled to the memory, the one or more processors configured to:
receive, via radio resource control signaling, information identifying a plurality of transmit beams of the UE, the plurality of transmit beams corresponding to beams with one or more duty cycle values to be reported;
determine a maximum permissible exposure (MPE) condition for the plurality of transmit beams; and
transmit, to a network entity based at least in part on the MPE condition, information indicating the one or more duty cycle values, the one or more duty cycle values including at least one duty cycle value for each beam of the plurality of transmit beams, wherein the information indicating the one or more duty cycle values includes a bitmap identifying the plurality of transmit beams.
21. The UE of claim 20 , wherein the one or more processors are further configured to:
provide, with the information indicating the one or more duty cycle values, additional information indicating one or more maximum output power reduction values for at least one beam of the plurality of transmit beams.
22. The UE of claim 20 , wherein the one or more processors are further configured to:
provide, with the information indicating the one or more duty cycle values, additional information indicating one or more maximum output power values for at least one beam of the plurality of transmit beams.
23. The UE of claim 20 , wherein the one or more processors are further configured to:
provide, with the information indicating the one or more duty cycle values, additional information indicating one or more power headroom values for at least one beam of the plurality of transmit beams.
24. The UE of claim 20 , wherein the information indicating the one or more duty cycle values is transmitted in at least one of: a medium access control control element, an uplink beam report, or capability information.
25. The UE of claim 20 , wherein the radio resource control signaling configures the bitmap.
26. A network entity for wireless communication, comprising:
a memory; and
one or more processors coupled to the memory, the one or more processors configured to:
transmit, via radio resource control signaling, information identifying a plurality of transmit beams of a user equipment (UE), the plurality of transmit beams corresponding to beams with one or more duty cycle values to be reported;
receive, based at least in part on a maximum permissible exposure (MPE) condition for the plurality of transmit beams, information indicating the one or more duty cycle values, the one or more duty cycle values including at least one duty cycle value for each beam of the plurality of transmit beams, wherein the information indicating the one or more duty cycle values includes a bitmap identifying the plurality of transmit beams; and
communicate with the UE in accordance with the one or more duty cycle values.
27. The network entity of claim 26 , wherein the one or more processors are further configured to:
receive, with the information indicating the one or more duty cycle values, additional information indicating one or more maximum output power reduction values for at least one beam of the plurality of transmit beams.
28. The network entity of claim 26 , wherein the information indicating the one or more duty cycle values is received in at least one of: a medium access control control element, an uplink beam report, or capability information.
29. The network entity of claim 26 , wherein the information indicating the one or more duty cycle values is reported periodically based at least in part on a periodicity.
30. The network entity of claim 26 , wherein the bitmap is configured via the radio resource control signaling, medium access control signaling, or downlink control information.