Granted Patent B2

US 12,621,833 · App. 18/037,747 · Granted May 5, 2026

Inventors: Konstantinos Dimou (New York, NY); Yan Zhou (San Diego, CA); Tao Luo (San Diego, CA)

Assignee: Qualcomm Incorporated

H04W72/21H04B7/0626H04L1/1812H04W72/11

Abstract

Claims (81)

1 . An apparatus for wireless communication at a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to:

determine to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determine that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmit, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback concurrently with a PUCCH HARQ-ACK feedback transmission in a next dynamically scheduled PUCCH after the DL symbol based on a deferred feedback configuration configured to define PUCCH content,

wherein if transmission of the deferred SPS PUCCH HARQ-ACK feedback overlaps the next scheduled PUCCH, the at least one process is further configured to:

determine that the next scheduled PUCCH includes channel state information (CSI) resources for transmitting CSI;

replace the CSI with the deferred SPS PUCCH HARQ-ACK feedback; and

transmit the deferred SPS PUCCH HARQ-ACK feedback in the CSI resources concurrently with the PUCCH HARQ-ACK feedback in the scheduled PUCCH.

2 . The apparatus of claim 1 , further comprising a transceiver coupled to the at least one processor.

3 . An apparatus for wireless communication at a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to:

determine to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determine that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmit, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback concurrently with a PUCCH HARQ-ACK feedback transmission in a next scheduled PUCCH after the DL symbol based on a deferred feedback configuration configured to define PUCCH content, wherein if the transmission of the deferred SPS PUCCH HARQ-ACK feedback overlaps the next scheduled PUCCH, the at least one process is further configured to:

determine that the next scheduled PUCCH includes HARQ and channel state information (CSI) resources for transmitting HARQ and CSI;

replace the CSI with the deferred SPS PUCCH HARQ-ACK feedback, wherein the CSI is dropped; and

transmit PUCCH comprising the deferred SPS PUCCH HARQ-ACK feedback multiplexed with the PUCCH HARQ for the next scheduled PUCCH.

4 . An apparatus for wireless communication at a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to:

determine to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determine that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmit, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback concurrently with a PUCCH HARQ-ACK feedback transmission in a next scheduled PUCCH after the DL symbol based on a deferred feedback configuration configured to define PUCCH content, wherein if the transmission of the deferred SPS PUCCH HARQ-ACK feedback overlaps the next scheduled PUCCH, the at least one process is further configured to:

determine that the next scheduled PUCCH only includes resources for a PUCCH HARQ-ACK feedback for the next scheduled PUCCH; and

determine whether the deferred SPS PUCCH HARQ-ACK feedback can be multiplexed with the PUCCH HARQ-ACK feedback for the next scheduled PUCCH.

5 . The apparatus of claim 4 , wherein the at least one process is further configured to:

transmit concurrently the multiplexed SPS PUCCH HARQ-ACK feedback and PUCCH HARQ-ACK feedback in the scheduled PUCCH resource when both the SPS PUCCH HARQ-ACK feedback and the PUCCH HARQ-ACK feedback can be multiplexed into the same scheduled PUCCH resource.

6 . The apparatus of claim 4 , wherein the at least one process is further configured to:

replace the PUCCH HARQ-ACK feedback for the next scheduled PUCCH with the deferred SPS PUCCH HARQ-ACK feedback when the deferred SPS PUCCH HARQ-ACK feedback cannot be multiplexed with the PUCCH HARQ-ACK feedback for the next scheduled PUCCH; and

transmit the deferred SPS PUCCH HARQ-ACK feedback in PUCCH resources for the next scheduled PUCCH, wherein the PUCCH HARQ-ACK feedback for the next scheduled PUCCH is dropped.

7 . The apparatus of claim 4 , wherein the at least one process is further configured to:

multiplex the PUCCH HARQ-ACK feedback for the next scheduled PUCCH and the deferred SPS PUCCH HARQ-ACK feedback;

determine an amount of PUCCH resources needed to transmit the PUCCH HARQ-ACK feedback for the next scheduled PUCCH multiplexed with the deferred SPS PUCCH HARQ-ACK feedback; and

transmit the PUCCH HARQ-ACK feedback for the next scheduled PUCCH multiplexed with the deferred SPS PUCCH HARQ-ACK feedback in a new PUCCH resource, based on a PUCCH resource indicator (PRI), when both the SPS PUCCH HARQ-ACK feedback and the PUCCH HARQ-ACK feedback cannot be multiplexed into the same scheduled PUCCH resource.

8 . The apparatus of claim 7 , wherein the PRI comprises resources for a plurality of different payloads, wherein the PRI supports transmission of the PUCCH HARQ-ACK feedback for the next scheduled PUCCH multiplexed with the deferred SPS PUCCH HARQ-ACK feedback.

9 . An apparatus for wireless communication at a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to:

determine to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determine that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmit, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback in one of a next set of available UL symbols based on a deferred feedback configuration configured to define PUCCH content.

10 . The apparatus of claim 9 , wherein the deferred SPS PUCCH HARQ-ACK feedback is transmitted in at least a first available UL symbol of the next set of available UL symbols with a same PUCCH format of the deferred SPS PUCCH HARQ-ACK feedback having similar physical resource blocks (PRBs) and a similar beam identifier (ID).

11 . A method of wireless communication at a user equipment (UE), comprising:

determining to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determining that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmitting, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback concurrently with a PUCCH HARQ-ACK feedback transmission in a next dynamically scheduled PUCCH after the DL symbol based on a deferred feedback configuration configured to define PUCCH content,

wherein if transmission of the deferred SPS PUCCH HARQ-ACK feedback overlaps the next scheduled PUCCH, the deferred feedback configuration is configured to:

determine that the next scheduled PUCCH includes channel state information (CSI) resources for transmitting CSI;

replace the CSI with the deferred SPS PUCCH HARQ-ACK feedback; and

transmit the deferred SPS PUCCH HARQ-ACK feedback in the CSI resources concurrently with the PUCCH HARQ-ACK feedback in the scheduled PUCCH.

12 . A method of wireless communication at a user equipment (UE), comprising:

determining to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determining that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmitting, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback concurrently with a PUCCH HARQ-ACK feedback transmission in a next scheduled PUCCH after the DL symbol based on a deferred feedback configuration configured to define PUCCH content, wherein if the transmission of the deferred SPS PUCCH HARQ-ACK feedback overlaps the next scheduled PUCCH, the deferred feedback configuration is configured to:

determine that the next scheduled PUCCH includes HARQ and channel state information (CSI) resources for transmitting HARQ and CSI;

replace the CSI with the deferred SPS PUCCH HARQ-ACK feedback, wherein the CSI is dropped; and

transmit PUCCH comprising the deferred SPS PUCCH HARQ-ACK feedback multiplexed with the PUCCH HARQ for the next scheduled PUCCH.

13 . A method of wireless communication at a user equipment (UE), comprising:

determining to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determining that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmitting, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback concurrently with a PUCCH HARQ-ACK feedback transmission in a next scheduled PUCCH after the DL symbol based on a deferred feedback configuration configured to define PUCCH content, wherein if the transmission of the deferred SPS PUCCH HARQ-ACK feedback overlaps the next scheduled PUCCH, the deferred feedback configuration is configured to:

determine that the next scheduled PUCCH only includes resources for a PUCCH HARQ-ACK feedback for the next scheduled PUCCH; and

determine whether the deferred SPS PUCCH HARQ-ACK feedback can be multiplexed with the PUCCH HARQ-ACK feedback for the next scheduled PUCCH.

14 . The method of claim 13 , wherein the deferred feedback configuration is configured to:

transmit concurrently the multiplexed SPS PUCCH HARQ-ACK feedback and PUCCH HARQ-ACK feedback in the scheduled PUCCH resource when both the SPS PUCCH HARQ-ACK feedback and the PUCCH HARQ-ACK feedback can be multiplexed into the same scheduled PUCCH resource.

15 . The method of claim 13 , wherein the deferred feedback configuration is configured to:

replace the PUCCH HARQ-ACK feedback for the next scheduled PUCCH with the deferred SPS PUCCH HARQ-ACK feedback when the deferred SPS PUCCH HARQ-ACK feedback cannot be multiplexed with the PUCCH HARQ-ACK feedback for the next scheduled PUCCH; and

transmit the deferred SPS PUCCH HARQ-ACK feedback in PUCCH resources for the next scheduled PUCCH, wherein the PUCCH HARQ-ACK feedback for the next scheduled PUCCH is dropped.

16 . The method of claim 13 , wherein the deferred feedback configuration is configured to:

multiplex the PUCCH HARQ-ACK feedback for the next scheduled PUCCH and the deferred SPS PUCCH HARQ-ACK feedback;

determine an amount of PUCCH resources needed to transmit the PUCCH HARQ-ACK feedback for the next scheduled PUCCH multiplexed with the deferred SPS PUCCH HARQ-ACK feedback; and

transmit the PUCCH HARQ-ACK feedback for the next scheduled PUCCH multiplexed with the deferred SPS PUCCH HARQ-ACK feedback in a new PUCCH resource, based on a PUCCH resource indicator (PRI), when both the SPS PUCCH HARQ-ACK feedback and the PUCCH HARQ-ACK feedback cannot be multiplexed into the same scheduled PUCCH resource.

17 . The method of claim 16 , wherein the PRI comprises resources for a plurality of different payloads, wherein the PRI supports transmission of the PUCCH HARQ-ACK feedback for the next scheduled PUCCH multiplexed with the deferred SPS PUCCH HARQ-ACK feedback.

18 . A method of wireless communication at a user equipment (UE), comprising:

determining to transmit physical uplink control channel (PUCCH) semi-persistent scheduling (SPS) hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback in response to a received semi-persistently scheduled physical downlink shared channel (PDSCH);

determining that transmission of the SPS PUCCH HARQ-ACK feedback would overlap with a downlink (DL) symbol, wherein the transmission of the SPS PUCCH HARQ-ACK feedback is deferred to another uplink (UL) symbol if the transmission of the SPS PUCCH HARQ-ACK feedback overlaps with the DL symbol; and

transmitting, based on the determination that the SPS PUCCH HARQ-ACK feedback would overlap with a DL symbol, a deferred SPS PUCCH HARQ-ACK feedback in one of a next set of available UL symbols based on a deferred feedback configuration configured to define PUCCH content.

19 . The method of claim 18 , wherein the deferred SPS PUCCH HARQ-ACK feedback is transmitted in at least a first available UL symbol of the next set of available UL symbols with a same PUCCH format of the deferred SPS PUCCH HARQ-ACK feedback having similar physical resource blocks (PRBs) and a similar beam identifier (ID).

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (19)