Energy per resource element determination for sub-band full-duplex communication
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine an energy per resource element (EPRE) value for a slot based at least in part on whether the slot is associated with a half-duplex configuration or a full-duplex configuration, wherein the EPRE value is a first value when the slot is associated with the half-duplex configuration and a second value when the slot is associated with the full-duplex configuration; and perform a communication in the slot in accordance with the EPRE value. Numerous other aspects are provided.
1. A method of wireless communication performed by a user equipment (UE), the method comprising:
determining an energy per resource element (EPRE) value for a slot based at least in part on whether the slot is associated with a half-duplex configuration or a full-duplex configuration, wherein the EPRE value is a first value when the slot is associated with the half-duplex configuration and a second value when the slot is associated with the full-duplex configuration; and
communicating in the slot in accordance with the EPRE value.
2. A method of wireless communication performed by a network entity, the method comprising:
determining an energy per resource element (EPRE) value for a slot based at least in part on whether the slot is associated with a half-duplex configuration or a full-duplex configuration, wherein the EPRE value is a first value when the slot is associated with the half-duplex configuration and a second value when the slot is associated with the full-duplex configuration; and
communicating with a user equipment (UE) in the slot based at least in part on the EPRE value.
3. 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:
determine an energy per resource element (EPRE) value for a slot based at least in part on whether the slot is associated with a half-duplex configuration or a full-duplex configuration, wherein the EPRE value is a first value when the slot is associated with the half-duplex configuration and a second value when the slot is associated with the full-duplex configuration; and
communicate in the slot in accordance with the EPRE value.
4. The UE of claim 3 , wherein the UE is a full-duplex UE,
and wherein the EPRE value is based at least in part on whether the slot is associated with the full-duplex configuration.
5. The UE of claim 3 , wherein the one or more processors are further configured to:
receive configuration information indicating one or more of the first value or the second value.
6. The UE of claim 3 , wherein one or more of the first value or the second value is pre-configured.
7. The UE of claim 3 , wherein the EPRE value is based at least in part on at least one of an interference cancellation capability of a network entity, or a panel configuration for the full-duplex configuration.
8. The UE of claim 3 , wherein the one or more processors are further configured to:
switch from the first value to the second value, or from the second value to the first value, based at least in part on a switch from a slot associated with a full-duplex configuration to a slot associated with a half-duplex configuration or from a slot associated with a half-duplex configuration to a slot associated with a full-duplex configuration.
9. The UE of claim 3 , wherein the UE is a half-duplex UE, and wherein the one or more processors are further configured to:
receive information indicating the first value, and
wherein the one or more processors, to determine the EPRE value, are configured to determine the EPRE value is the first value based at least in part on receiving the information indicating the first value.
10. The UE of claim 3 , wherein the UE is a half-duplex UE, and wherein the one or more processors are further configured to:
determine that the slot is associated with the full-duplex configuration.
11. The UE of claim 3 , wherein the one or more processors are further configured to:
receive, from a network entity, information indicating whether the slot is associated with the half-duplex configuration or the full-duplex configuration.
12. The UE of claim 3 , wherein the one or more processors are further configured to:
receive, from a network entity, information indicating that the second value is based at least in part on an offset from the first value.
13. The UE of claim 3 , wherein the one or more processors, to determine the EPRE value, are further configured to:
determine that the UE did not receive, for the slot, information indicating at least one of the first value or the second value;
determine a reduced EPRE value relative to a baseline EPRE value based at least in part on the determination that the UE did not receive the information; and
determine to use the reduced EPRE value as the EPRE value.
14. The UE of claim 13 , wherein the reduced EPRE value is based at least in part on a previous EPRE value for a full-duplex configuration.
15. The UE of claim 13 , wherein the reduced EPRE value is based at least in part on a configured EPRE value for a full-duplex configuration.
16. The UE of claim 13 , wherein the reduced EPRE value is based at least in part on a fixed EPRE value for a full-duplex configuration.
17. The UE of claim 3 , wherein the one or more processors, to determine the EPRE value, are further configured to:
determine the EPRE value based at least in part on received signaling indicating at least one of the first value or the second value from a plurality of configured EPRE values.
18. The UE of claim 17 , wherein the plurality of configured EPRE values are associated with information indicating respective offsets for the plurality of configured EPRE values relative to at least one of a synchronization signal block, a channel state information reference signal, or a demodulation reference signal.
19. The UE of claim 18 , wherein the slot is associated with a constant synchronization signal block power relative to an adjacent slot, and wherein the respective offsets are offsets for the full-duplex configuration relative to the first value.
20. The UE of claim 17 , wherein the received signaling comprises downlink control information associated with the slot.
21. 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:
determine an energy per resource element (EPRE) value for a slot based at least in part on whether the slot is associated with a half-duplex configuration or a full-duplex configuration, wherein the EPRE value is a first value when the slot is associated with the half-duplex configuration and a second value when the slot is associated with the full-duplex configuration; and
communicate with a user equipment (UE) in the slot based at least in part on the EPRE value.
22. The network entity of claim 21 , wherein the EPRE value is based at least in part on at least one of an interference cancellation capability of the network entity, or a panel configuration for the full-duplex configuration.
23. The network entity of claim 21 , wherein the one or more processors are further configured to:
switch from the first value to the second value, or from the second value to the first value, based at least in part on a switch from a slot associated with a full-duplex configuration to a slot associated with a half-duplex configuration.
24. The network entity of claim 21 , wherein the UE is a half-duplex UE, and wherein the one or more processors are further configured to:
transmit, to the UE, information indicating the EPRE value for the slot.
25. The network entity of claim 21 , wherein the UE is a half-duplex UE, and wherein the one or more processors are further configured to:
determine whether the slot is associated with the full-duplex configuration.
26. The network entity of claim 21 , wherein the one or more processors are further configured to:
transmit, to the UE, information indicating the EPRE value for the slot.
27. The network entity of claim 21 , wherein the one or more processors are further configured to:
transmit, to the UE, information indicating that the second value is based at least in part on an offset from the first value.
28. The network entity of claim 21 , wherein the one or more processors are further configured to:
determine that information indicating the EPRE value was not received by the UE; and
transmit, to the UE and based at least in part on the determination that the information indicating the EPRE value was not received by the UE, information indicating a configured EPRE value to be used as a reduced EPRE value relative to a baseline EPRE value.
29. The network entity of claim 21 , wherein the one or more processors are further configured to:
transmit configuration information indicating a plurality of configured EPRE values, wherein the plurality of configured EPRE values are associated with information indicating respective offsets for the plurality of configured EPRE values relative to at least one of a synchronization signal block, a channel state information reference signal, or a demodulation reference signal.
30. The network entity of claim 29 , wherein the one or more processors are further configured to:
transmit signaling indicating the EPRE value from the plurality of configured EPRE values.