Power savings with beam-specific repeater operation
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a physical downlink control channel (PDCCH) based at least in part on a PDCCH configuration. The user equipment may determine a minimum scheduling delay based at least in part on the PDCCH configuration associated with receiving the PDCCH. The user equipment may operate in a partial sleep-state based at least in part on the minimum scheduling delay. Numerous other aspects are provided.
1. A method of wireless communication performed by a user equipment (UE), comprising:
receiving, from a repeater, a physical downlink control channel (PDCCH) communication based at least in part on a PDCCH configuration, wherein the repeater receives the PDCCH from a serving base station and relays the PDCCH to the UE with a latency;
determining a minimum scheduling delay, of minimum scheduling delays corresponding to beam configurations, based at least in part on a beam configuration, of the beam configurations, associated with PDCCH configuration; and
decoding, while in a partial-sleep state and based at least in part on determining the minimum scheduling delay, the PDCCH communication.
2. The method of claim 1 , wherein the minimum scheduling delay is for a delay between a downlink grant included in the PDCCH communication and a physical downlink shared channel (PDSCH) communication scheduled by the downlink grant.
3. The method of claim 1 , wherein the minimum scheduling delay is for a delay between a physical downlink shared channel (PDSCH) communication scheduled by a downlink grant included in the PDCCH communication and a transmission of an acknowledgment or negative acknowledgment (ACK/NACK) associated with the PDSCH communication.
4. The method of claim 1 , wherein the minimum scheduling delay is for a delay between an uplink grant included in the PDCCH communication and a physical uplink shared channel (PUSCH) communication scheduled by the uplink grant.
5. The method of claim 1 , wherein the PDCCH configuration is a PDCCH monitoring occasion associated with receiving the PDCCH communication.
6. The method of claim 1 , wherein the PDCCH configuration is a PDCCH search space associated with receiving the PDCCH communication.
7. The method of claim 1 , wherein the PDCCH configuration is a control resource set (CORESET) associated with receiving the PDCCH communication.
8. The method of claim 1 , wherein the PDCCH configuration is a radio network temporary identifier (RNTI) associated with receiving the PDCCH.
9. The method of claim 1 , wherein the PDCCH configuration is at least one of:
a PDCCH monitoring occasion associated with receiving the PDCCH communication,
a PDCCH search space associated with receiving the PDCCH communication,
a control resource set (CORESET) associated with receiving the PDCCH communication, or
a radio network temporary identifier (RNTI) associated with receiving the PDCCH communication.
10. The method of claim 1 , wherein the minimum scheduling delay is configured based at least in part on the beam configuration.
11. The method of claim 1 , wherein the minimum scheduling delay is implicitly configured based at least in part on the beam configuration or a beam reconfiguration of another beam configuration of the beam configurations.
12. The method of claim 1 , wherein the minimum scheduling delay is configured based at least in part on a table associating the minimum scheduling delays and particular beams, and wherein the particular beams correspond to the beam configurations.
13. The method of claim 1 , wherein the minimum scheduling delay is explicitly configured based at least in part on a reconfiguration, of the minimum scheduling delay, corresponding to the beam configuration.
14. The method of claim 1 , wherein the minimum scheduling delay is configured via at least one of:
radio resource control (RRC) signaling,
a medium access control (MAC) control element, or
downlink control information (DCI).
15. The method of claim 1 , wherein the PDCCH communication is modulated by the repeater.
16. The method of claim 1 , further comprising:
entering, while in the partial-sleep state and based on receiving a downlink grant included in the PDCCH communication, a normal state to receive a physical downlink shared channel (PDSCH) communication scheduled by the downlink grant.
17. The method of claim 16 , wherein the partial-sleep sate corresponds to a radio frequency front end of the UE being turned off.
18. 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, from a repeater, a physical downlink control channel (PDCCH) communication based at least in part on a PDCCH configuration, wherein the repeater receives the PDCCH from a serving base station and relays the PDCCH to the UE with a latency;
determine a minimum scheduling delay, of minimum scheduling delays corresponding to beam configurations, based at least in part on a beam configuration, of the beam configurations, associated with the PDCCH configuration; and
decode, while in a partial-sleep state and based at least in part on determining the minimum scheduling delay, the PDCCH communication.
19. The UE of claim 18 , wherein the minimum scheduling delay is for a delay between:
a downlink grant included in the PDCCH communication and a physical downlink shared channel (PDSCH) communication scheduled by the downlink grant,
a PDSCH communication scheduled by a downlink grant included in the PDCCH communication and a transmission of an acknowledgment or negative acknowledgment (ACK/NACK) associated with the PDSCH communication, or
an uplink grant included in the PDCCH communication and a physical uplink shared channel (PUSCH) communication scheduled by the uplink grant.
20. The UE of claim 18 wherein the PDCCH configuration is at least one of:
a PDCCH monitoring occasion associated with receiving the PDCCH communication,
a PDCCH search space associated with receiving the PDCCH communication,
a control resource set (CORESET) associated with receiving the PDCCH communication, or
a radio network temporary identifier (RNTI) associated with receiving the PDCCH communication.
21. The UE of claim 18 , wherein the minimum scheduling delay is configured based at least in part on a table associating the minimum scheduling delays and particular beams, and wherein the particular beams correspond to the beam configurations.
22. The UE of claim 18 , wherein the minimum scheduling delay is explicitly configured based at least in part on a reconfiguration, of the minimum scheduling delay, corresponding to the beam configuration.
23. The UE of claim 18 , wherein the minimum scheduling delay is configured via at least one of:
radio resource control (RRC) signaling,
a medium access control (MAC) control element, or
downlink control information (DCI).
24. The UE of claim 18 , wherein the PDCCH communication is modulated by the repeater.
25. The UE of claim 18 , wherein the one or more processors are further configured to:
enter, while in the partial-sleep state and based on receiving a downlink grant included in the PDCCH communication, a normal state to receive a physical downlink shared channel (PDSCH) communication scheduled by the downlink grant.
26. The UE of claim 18 , wherein the partial-sleep sate corresponds to a radio frequency front end of the UE being turned off.
27. 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 of a user equipment (UE), cause the one or more processors to:
receive, from a repeater, a physical downlink control channel (PDCCH) communication based at least in part on a PDCCH configuration, wherein the repeater receives the PDCCH from a serving base station and relays the PDCCH to the UE with a latency;
determine a minimum scheduling delay, of minimum scheduling delays corresponding to beam configurations, based at least in part on a beam configuration associated with the PDCCH configuration; and
decode, while in a partial sleep state and based at least in part on determining the minimum scheduling delay, the PDCCH communication.
28. An apparatus for wireless communication, comprising:
means for receiving, from a repeater, a physical downlink control channel (PDCCH) communication based at least in part on a PDCCH configuration, wherein the repeater receives the PDCCH from a serving base station and relays the PDCCH to the apparatus with a latency;
means for determining a minimum scheduling delay, of minimum scheduling delays corresponding to beam configurations, based at least in part on a beam configuration associated with the PDCCH configuration; and
means for decoding, while in a partial sleep state and based at least in part on determining the minimum scheduling delay, the PDCCH communication.