UCI multiplexing on PUSCH for multi-panel uplink transmission
Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (UE) may determine that a resource allocation, for a physical uplink control channel (PUCCH) transmission occasion, indicates time domain resources that overlap time domain resources of a first resource allocation for a first physical uplink shared channel (PUSCH) transmission occasion and a second resource allocation for a second PUSCH transmission occasion; and multiplex uplink control information (UCI) associated with the PUCCH transmission occasion on a selected PUSCH transmission occasion, the selected PUSCH transmission occasion comprising at least one of the first PUSCH transmission occasion, the second PUSCH transmission occasion, or a combination thereof. Numerous other aspects are provided.
1. A method of wireless communication performed by a user equipment (UE), comprising:
determining that a resource allocation, for a physical uplink control channel (PUCCH) transmission occasion, indicates time domain resources that overlap time domain resources of a first resource allocation for a first physical uplink shared channel (PUSCH) transmission occasion and a second resource allocation for a second PUSCH transmission occasion; and
multiplexing uplink control information (UCI) associated with the PUCCH transmission occasion on a selected PUSCH transmission occasion, the selected PUSCH transmission occasion comprising at least one of the first PUSCH transmission occasion, the second PUSCH transmission occasion, or a combination thereof, wherein one or more of the selected PUSCH transmission occasion comprises a lowest sounding reference signal (SRS) set identifier (ID) or the selected PUSCH transmission occasion corresponds to a panel identifier (ID) associated with the PUCCH transmission occasion.
2. The method of claim 1 , wherein the first resource allocation indicates a first start time for the first PUSCH transmission occasion, and a first cell index for the first PUSCH transmission occasion, and wherein the second resource allocation indicates a second start time for the second PUSCH transmission occasion and a second cell index for the second PUSCH transmission occasion, wherein the first start time is the second start time, and wherein the first cell index is the second cell index.
3. The method of claim 1 , wherein the selected PUSCH transmission occasion comprises a lowest frequency domain resource allocation index of a plurality of frequency domain resource allocation indexes associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
4. The method of claim 3 , wherein the lowest frequency domain resource allocation index comprises a lowest resource block (RB) index.
5. The method of claim 1 , wherein the selected PUSCH transmission occasion comprises a lowest beam identifier of a plurality of beam identifiers associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
6. The method of claim 5 , wherein the lowest beam identifier comprises a lowest uplink (UL) transmission configuration indicator (TCI) identifier (ID).
7. The method of claim 5 , wherein the lowest beam identifier comprises the lowest SRS set ID.
8. The method of claim 1 , wherein the selected PUSCH transmission occasion comprises a first transmitted precoding matrix indicator (TPMI) of a plurality of TPMIs associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
9. The method of claim 1 , wherein the selected PUSCH transmission occasion comprises a lowest SRS resource indicator (SRI) identifier (ID) of a plurality of SRI IDs, wherein the plurality of SRI IDs are associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
10. The method of claim 1 , wherein the selected PUSCH transmission occasion corresponds to the panel ID associated with the PUCCH transmission occasion.
11. The method of claim 1 , wherein the selected PUSCH transmission occasion comprises a lowest demodulation reference signal (DMRS) code division multiplexing (CDM) group identifier (ID) of a plurality of DMRS CDM group IDs associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
12. The method of claim 1 , wherein the selected PUSCH transmission occasion comprises a lowest demodulation reference signal (DMRS) port identifier (ID) of a plurality of DMRS port IDs associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
13. The method of claim 1 , further comprising multiplexing the first PUSCH transmission occasion with the second PUSCH transmission occasion using frequency division multiplexing (FDM).
14. The method of claim 13 , wherein the selected PUSCH transmission occasion comprises a lowest frequency domain resource allocation index of a plurality of frequency domain resource allocation indexes associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
15. The method of claim 14 , wherein the lowest frequency domain resource allocation index comprises a lowest resource block (RB) index.
16. The method of claim 13 , wherein the selected PUSCH transmission occasion comprises a lowest beam identifier of a plurality of beam identifiers associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
17. The method of claim 16 , wherein the lowest beam identifier comprises a lowest uplink (UL) transmission configuration indicator (TCI) identifier (ID).
18. The method of claim 16 , wherein the lowest beam identifier comprises the lowest SRS set ID.
19. The method of claim 13 , wherein the selected PUSCH transmission occasion comprises a first transmitted precoding matrix indicator (TPMI) of a plurality of TPMIs associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
20. The method of claim 13 , wherein the selected PUSCH transmission occasion comprises a lowest SRS resource indicator (SRI) identifier (ID) of a plurality of SRI IDs, wherein the plurality of SRI IDs are associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
21. The method of claim 13 , wherein the selected PUSCH transmission occasion corresponds to the panel ID associated with the PUCCH transmission occasion.
22. The method of claim 1 , further comprising multiplexing the first PUSCH transmission occasion with the second PUSCH transmission occasion using space division multiplexing (SDM).
23. The method of claim 22 , wherein the selected PUSCH transmission occasion comprises a lowest beam identifier of a plurality of beam identifiers associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
24. The method of claim 23 , wherein the lowest beam identifier comprises a lowest uplink (UL) transmission configuration indicator (TCI) identifier (ID).
25. The method of claim 23 , wherein the lowest beam identifier comprises the lowest SRS set ID.
26. The method of claim 22 , wherein the selected PUSCH transmission occasion comprises a first transmitted precoding matrix indicator (TPMI) of a plurality of TPMIs associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
27. The method of claim 22 , wherein the selected PUSCH transmission occasion comprises a lowest SRS resource indicator (SRI) identifier (ID) of a plurality of SRI IDs, wherein the plurality of SRI IDs are associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
28. The method of claim 22 , wherein the selected PUSCH transmission occasion comprises a lowest demodulation reference signal (DMRS) code division multiplexing (CDM) group identifier (ID) of a plurality of DMRS CDM group IDs associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
29. The method of claim 22 , wherein the selected PUSCH transmission occasion comprises a lowest demodulation reference signal (DMRS) port identifier (ID) of a plurality of DMRS port IDs associated with a plurality of PUSCH transmission occasions, the plurality of PUSCH transmission occasions including the first PUSCH transmission occasion and the second PUSCH transmission occasion.
30. The method of claim 22 , wherein the selected PUSCH transmission occasion corresponds to the panel ID associated with the PUCCH transmission occasion.
31. The method of claim 1 , further comprising:
determining that another resource allocation, for another PUCCH transmission occasion, indicates time domain resources that overlap time domain resources of the resource allocation, wherein the PUCCH transmission occasion corresponds to a first panel and the other PUCCH transmission occasion corresponds to a second panel, and the selected PUSCH transmission occasion corresponds to the first panel; and
multiplexing UCI associated with the other PUCCH transmission occasion on another selected PUSCH occasion, the other selected PUSCH occasion corresponding to the second panel.
32. The method of claim 1 , further comprising:
determining that another resource allocation, for another PUCCH transmission occasion, indicates time domain resources that overlap time domain resources of the resource allocation, wherein the PUCCH transmission occasion corresponds to a first panel and the other PUCCH transmission occasion corresponds to a second panel; and
multiplexing UCI associated with the other PUCCH transmission occasion on the selected PUSCH transmission occasion, wherein the selected PUSCH transmission occasion corresponds to the first panel, the second panel, or a third panel.
33. The method of claim 1 , wherein an indication of the first resource allocation is received in a first downlink control information (DCI) transmission, and wherein an indication of the second resource allocation is received in a second DCI transmission.
34. The method of claim 33 , wherein the first DCI transmission is the second DCI transmission.
35. A user equipment (UE) for wireless communication, comprising:
one or more memories; and
one or more processors coupled to the one or more memories, the one or more memories and the one or more processors configured to:
determine that a resource allocation, for a physical uplink control channel (PUCCH) transmission occasion, indicates time domain resources that overlap time domain resources of a first resource allocation for a first physical uplink shared channel (PUSCH) transmission occasion and a second resource allocation for a second PUSCH transmission occasion; and
multiplex uplink control information (UCI) associated with the PUCCH transmission occasion on a selected PUSCH transmission occasion, the selected PUSCH transmission occasion comprising at least one of the first PUSCH transmission occasion, the second PUSCH transmission occasion, or a combination thereof, wherein one or more of the selected PUSCH transmission occasion comprises a lowest sounding reference signal (SRS) set identifier (ID) or the selected PUSCH transmission occasion corresponds to a panel identifier (ID) associated with the PUCCH transmission occasion.
36. 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:
determine that a resource allocation, for a physical uplink control channel (PUCCH) transmission occasion, indicates time domain resources that overlap time domain resources of a first resource allocation for a first physical uplink shared channel (PUSCH) transmission occasion and a second resource allocation for a second PUSCH transmission occasion; and
multiplex uplink control information (UCI) associated with the PUCCH transmission occasion on a selected PUSCH transmission occasion, the selected PUSCH transmission occasion comprising at least one of the first PUSCH transmission occasion, the second PUSCH transmission occasion, or a combination thereof, wherein one or more of the selected PUSCH transmission occasion comprises a lowest sounding reference signal (SRS) set identifier (ID) or the selected PUSCH transmission occasion corresponds to a panel identifier (ID) associated with the PUCCH transmission occasion.
37. An apparatus for wireless communication, comprising:
means for determining that a resource allocation, for a physical uplink control channel (PUCCH) transmission occasion, indicates time domain resources that overlap time domain resources of a first resource allocation for a first physical uplink shared channel (PUSCH) transmission occasion and a second resource allocation for a second PUSCH transmission occasion; and
means for multiplexing uplink control information (UCI) associated with the PUCCH transmission occasion on a selected PUSCH transmission occasion, the selected PUSCH transmission occasion comprising at least one of the first PUSCH transmission occasion, the second PUSCH transmission occasion, or a combination thereof, wherein one or more of the selected PUSCH transmission occasion comprises a lowest sounding reference signal (SRS) set identifier (ID) or the selected PUSCH transmission occasion corresponds to a panel identifier (ID) associated with the PUCCH transmission occasion.