Skip HARQ feedback for SPS PDSCH

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

memory; and

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

determine that a base station skips one or more semi-persistent scheduling (SPS) physical downlink shared channel (SPS PDSCH) occurrences; and

skip transmission of a hybrid automatic repeat request (HARQ) feedback for the one or more SPS PDSCH occurrences; and at least one of:

transmit a first HARQ feedback for a first SPS PDSCH based on blocked beam for an SPS occurrence of the one or more SPS PDSCH occurrences and perform beam sweeping based on the blocked beam for the SPS PDSCH; or

transmit a second HARQ feedback for a downlink control information (DCI) and skip the HARQ feedback, wherein the DCI includes an indication that the base station will skip a second SPS PDSCH, and wherein a determination that the one or more SPS occurrences are skipped is based on reception of the indication in the DCI that the base station will skip the second SPS PDSCH.

2 . The apparatus of claim 1 , wherein the at least one processor coupled to the memory is further configured to:

transmit the first HARQ feedback for the first SPS PDSCH based on the blocked beam for the SPS occurrence of the one or more SPS PDSCH occurrences; and

perform the beam sweeping based on the blocked beam for the first SPS PDSCH.

3 . The apparatus of claim 1 , wherein the determination that the one or more SPS occurrences are skipped is based on an absence of a detected demodulation reference signal (DMRS) in a PDSCH after an attempted detection on one or more links.

4 . The apparatus of claim 3 , wherein the determination is further based on the absence of the detected DMRS in a physical downlink control channel (PDCCH) after the attempted detection on the one or more links.

5 . The apparatus of claim 1 , wherein the determination that the one or more SPS occurrences are skipped is based on the reception of the indication that the base station will skip the second SPS PDSCH in the DCI from the base station.

6 . The apparatus of claim 5 , wherein the DCI comprises the indication that the base station will skip the second SPS PDSCH is received in a multi-beam transmission.

7 . The apparatus of claim 5 , wherein the DCI comprises a DCI format 1_0 or a DCI format 1_1.

8 . The apparatus of claim 5 , wherein the DCI indicates a request for the HARQ feedback, wherein the at least one processor coupled to the memory is further configured to:

transmit the HARQ feedback for the DCI and skip the HARQ feedback for the second SPS PDSCH.

9 . The apparatus of claim 5 , wherein the at least one processor coupled to the memory is further configured to:

receive multiple SPS configurations for PDSCH having bundled HARQ feedback, wherein the DCI indicates that the base station will skip the second SPS PDSCH for one or more of the multiple SPS configurations.

10 . The apparatus of claim 9 , wherein the at least one processor coupled to the memory is further configured to: transmit the HARQ feedback if one of the multiple SPS configurations for the PDSCH is not skipped.

11 . The apparatus of claim 1 , wherein the at least one processor coupled to the memory is further configured to:

transmit, to the base station, a communication during at least one of the one or more SPS PDSCH occurrences.

12 . The apparatus of claim 11 , wherein the communication transmitted to the base station at the one or more SPS PDSCH occurrences is a discontinuous transmission.

13 . The apparatus of claim 11 , wherein the one or more SPS PDSCH occurrences are associated with one or more component carriers.

14 . The apparatus of claim 11 , wherein the one or more SPS PDSCH occurrences are associated with one or more SPS configurations.

15 . The apparatus of claim 11 , wherein the one or more SPS PDSCH occurrences are associated with a primary cell or one or more secondary cells.

16 . The apparatus of claim 11 , wherein the one or more SPS PDSCH occurrences are associated with a single traffic flow with the base station.

17 . The apparatus of claim 11 , wherein the communication at the one or more SPS PDSCH occurrences does not correspond with an SPS PDSCH occurrence indicated in the DCI.

18 . The apparatus of claim 11 , wherein the communication at the one or more SPS PDSCH occurrences is associated with an SPS configuration from a plurality of active SPS configurations, the SPS configuration being indicated by the base station.

19 . The apparatus of claim 11 , wherein the communication at the one or more SPS PDSCH occurrences is associated with one or more remaining SPS configurations from a plurality of active SPS configurations that are different from an SPS configuration indicated by the base station.

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

21 . An apparatus for wireless communication of a base station, comprising:

memory; and

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

configure a UE for a semi-persistent scheduling (SPS) physical downlink shared channel (SPS PDSCH);

transmit, in downlink control information (DCI), an indication to the UE that the base station will skip a transmission of one or more SPS PDSCH occurrences;

skip the transmission of the one or more SPS PDSCH occurrences; and

transmit multiple SPS configurations for PDSCH having bundled HARQ feedback, wherein the DCI indicates that the base station will skip the one or more SPS PDSCH occurrences for one or more of the multiple SPS configurations.

22 . The apparatus of claim 21 , wherein the DCI comprises the indication that the base station will skip the one or more SPS PDSCH occurrences is transmitted in a multi-beam transmission.

23 . The apparatus of claim 21 , wherein the DCI comprises a DCI format 1_0 or a DCI format 1_1.

24 . The apparatus of claim 21 , wherein the at least one processor coupled to the memory is further configured to:

receive, from the UE, a communication during at least one of the one or more SPS PDSCH occurrences.

25 . The apparatus of claim 21 , further comprising a transceiver coupled to the at least one processor.

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

determining that a base station skips one or more semi-persistent scheduling (SPS) physical downlink shared channel (SPS PDSCH) occurrences; and

skipping transmission of a hybrid automatic repeat request (HARQ) feedback for the one or more SPS PDSCH occurrences; and at least one of:

transmitting a first HARQ feedback for a first SPS PDSCH based on blocked beam for an SPS occurrence of the one or more SPS PDSCH occurrences and perform beam sweeping based on the blocked beam for the SPS PDSCH; or

transmitting a second HARQ feedback for a downlink control information (DCI) and skip the HARQ feedback, wherein the DCI includes an indication that the base station will skip a second SPS PDSCH and skip the HARQ feedback, and wherein a determination that the one or more SPS occurrences are skipped is based on reception of the indication in the DCI that the base station will skip the second SPS PDSCH.

27 . A method of wireless communication at a base station, comprising:

configuring a UE for a semi-persistent scheduling (SPS) physical downlink shared channel (SPS PDSCH);

transmitting, in downlink control information (DCI), an indication to the UE that the base station will skip a transmission of one or more SPS PDSCH occurrences;

skipping the transmission of the one or more SPS PDSCH occurrences; and

transmitting multiple SPS configurations for PDSCH having bundled HARQ feedback, wherein the DCI indicates that the base station will skip the one or more SPS PDSCH occurrences for one or more of the multiple SPS configurations.