Dynamic physical downlink control channel skipping indication
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a UE may receive a PDCCH including an indication to skip PDCCH monitoring during at least one of: a period of time between the PDCCH and a first physical channel scheduled by the PDCCH, a period of time between the first physical channel scheduled by the PDCCH and a second physical channel scheduled by the PDCCH, or a period of time between the PDCCH and a third physical channel scheduled by the PDCCH. The UE may skip PDCCH monitoring based at least in part on the indication. Numerous other aspects are provided.
1. A method of wireless communication performed by a user equipment (UE), comprising:
receiving a physical downlink control channel (PDCCH) including an indication to skip PDCCH monitoring during at least one of:
a first period of time between the PDCCH and a first physical channel scheduled by the PDCCH,
a second period of time between the first physical channel scheduled by the PDCCH and a second physical channel scheduled by the PDCCH, or
a third period of time between the PDCCH and a third physical channel scheduled by the PDCCH,
wherein the indication is a one bit indication carried in a single bit of the PDCCH or a two bit indication carried in two bits of the PDCCH, and
wherein:
based on the indication being the one bit indication and the one bit indication being set to a first value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time and the second period of time,
based on the indication being the one bit indication and the one bit indication being set to a second value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time,
based on the indication being the two bit indication and the two bit indication being set to the first value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time,
based on the indication being the two bit indication and the two bit indication being set to the second value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the second period of time,
based on the indication being the two bit indication and the two bit indication being set to a third value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time, or
based on the indication being the two bit indication and the two bit indication being set to a fourth value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time, the second period of time, and the third period of time; and
skipping PDCCH monitoring based at least in part on the indication.
2. The method of claim 1 , wherein the indication is carried in downlink control information (DCI) included in the PDCCH.
3. The method of claim 1 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH).
4. The method of claim 1 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH) and the second physical channel scheduled by the PDCCH is a physical uplink control channel (PUCCH).
5. The method of claim 1 , wherein the third physical channel scheduled by the PDCCH is a physical uplink shared channel (PUSCH).
6. A method of wireless communication performed by a base station, comprising:
determining that a user equipment (UE) is to skip physical downlink control channel (PDCCH) monitoring during at least one of:
a first period of time between a PDCCH and a first physical channel scheduled by the PDCCH,
a second period of time between the first physical channel scheduled by the PDCCH and a second physical channel scheduled by the PDCCH, or
a third period of time between the PDCCH and a third physical channel scheduled by the PDCCH; and
transmitting the PDCCH including an indication that the UE is to skip PDCCH monitoring based at least in part on the determination,
wherein the indication is a one bit indication carried in a single bit of the PDCCH or a two bit indication carried in two bits of the PDCCH, and
wherein:
based on the indication being the one bit indication and the one bit indication being set to a first value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time and the second period of time,
based on the indication being the one bit indication and the one bit indication being set to a second value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time,
based on the indication being the two bit indication and the two bit indication being set to the first value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time,
based on the indication being the two bit indication and the two bit indication being set to the second value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the second period of time,
based on the indication being the two bit indication and the two bit indication being set to a third value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time, or
based on the indication being the two bit indication and the two bit indication being set to a fourth value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time, the second period of time, and the third period of time.
7. The method of claim 6 , wherein the indication is carried in downlink control information (DCI) included in the PDCCH.
8. The method of claim 6 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH).
9. The method of claim 6 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH) and the second physical channel scheduled by the PDCCH is a physical uplink control channel (PUCCH).
10. The method of claim 6 , wherein the third physical channel scheduled by the PDCCH is a physical uplink shared channel (PUSCH).
11. 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 a physical downlink control channel (PDCCH) including an indication to skip PDCCH monitoring during at least one of:
a first period of time between the PDCCH and a first physical channel scheduled by the PDCCH,
a second period of time between the first physical channel scheduled by the PDCCH and a second physical channel scheduled by the PDCCH, or
a third period of time between the PDCCH and a third physical channel scheduled by the PDCCH,
wherein the indication is a one bit indication carried in a single bit of the PDCCH or a two bit indication carried in two bits of the PDCCH, and
wherein:
based on the indication being the one bit indication and the one bit indication being set to a first value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time and the second period of time,
based on the indication being the one bit indication and the one bit indication being set to a second value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time,
based on the indication being the two bit indication and the two bit indication being set to the first value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time,
based on the indication being the two bit indication and the two bit indication being set to the second value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the second period of time,
based on the indication being the two bit indication and the two bit indication being set to a third value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time, or
based on the indication being the two bit indication and the two bit indication being set to a fourth value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time, the second period of time, and the third period of time; and
skip PDCCH monitoring based at least in part on the indication.
12. The UE of claim 11 , wherein the indication is carried in downlink control information (DCI) included in the PDCCH.
13. The UE of claim 11 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH).
14. The UE of claim 11 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH) and the second physical channel scheduled by the PDCCH is a physical uplink control channel (PUCCH).
15. The UE of claim 11 , wherein the third physical channel scheduled by the PDCCH is a physical uplink shared channel (PUSCH).
16. A base station for wireless communication, comprising:
a memory; and
one or more processors coupled to the memory, the one or more processors configured to:
determine that a user equipment (UE) is to skip physical downlink control channel (PDCCH) monitoring during at least one of:
a first period of time between a PDCCH and a first physical channel scheduled by the PDCCH,
a second period of time between the first physical channel scheduled by the PDCCH and a second physical channel scheduled by the PDCCH, or
a third period of time between the PDCCH and a third physical channel scheduled by the PDCCH; and
transmit the PDCCH including an indication that the UE is to skip PDCCH monitoring based at least in part on the determination,
wherein the indication is a one bit indication carried in a single bit of the PDCCH or a two bit indication carried in two bits of the PDCCH, and
wherein:
based on the indication being the one bit indication and the one bit indication being set to a first value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time and the second period of time,
based on the indication being the one bit indication and the one bit indication being set to a second value, the one bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time,
based on the indication being the two bit indication and the two bit indication being set to the first value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time,
based on the indication being the two bit indication and the two bit indication being set to the second value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the second period of time,
based on the indication being the two bit indication and the two bit indication being set to a third value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the third period of time, or
based on the indication being the two bit indication and the two bit indication being set to a fourth value, the two bit indication indicates that the UE is to skip PDCCH monitoring during the first period of time, the second period of time, and the third period of time.
17. The base station of claim 16 , wherein the indication is carried in downlink control information (DCI) included in the PDCCH.
18. The base station of claim 16 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH).
19. The base station of claim 16 , wherein the first physical channel scheduled by the PDCCH is a physical downlink shared channel (PDSCH) and the second physical channel scheduled by the PDCCH is a physical uplink control channel (PUCCH).
20. The base station of claim 16 , wherein the third physical channel scheduled by the PDCCH is a physical uplink shared channel (PUSCH).
21. The method of claim 1 , wherein the UE is enabled for cross-slot scheduling.
22. The method of claim 4 , wherein the PUCCH is to be used for carrying an acknowledgment (ACK) or negative acknowledgment (NACK) of a communication included in the PDSCH.
23. The method of claim 1 , further comprising:
receiving, in the PDCCH, a wake-up indication bit; and
selectively starting an on-duration timer for a next long discontinuous reception (DRX) cycle based on a value of the wake-up indication bit.
24. The method of claim 6 , wherein determining that the UE is to skip PDCCH monitoring comprises:
determining that the UE is to skip PDCCH monitoring based on scheduling physical channels to be used for transmitting a communication to the UE.
25. The method of claim 6 , wherein determining that the UE is to skip PDCCH monitoring comprises:
determining that the UE is to skip PDCCH monitoring based on receiving a communication from the UE.
26. The method of claim 6 , wherein determining that the UE is to skip PDCCH monitoring comprises:
determining that the UE is to skip PDCCH monitoring based on information associated with cross-slot scheduling.
27. The UE of claim 11 , wherein the UE is enabled for cross-slot scheduling.
28. The UE of claim 14 , wherein the PUCCH is to be used for carrying an acknowledgment (ACK) or negative acknowledgment (NACK) of a communication included in the PDSCH.
29. The UE of claim 11 , wherein the one or more processors are further configured to:
receive, in the PDCCH, a wake-up indication bit; and
selectively start an on-duration timer for a next long discontinuous reception (DRX) cycle based on a value of the wake-up indication bit.