Methods and apparatus for scheduling of multiple PUSCH/PDSCH
The present disclosure relates to methods and devices for wireless communication of an apparatus, e.g., a UE and/or a base station. The apparatus may receive, from a base station, an indication of a plurality of transmission schedules for at least one of a plurality of PUSCHs or a plurality of PDSCHs, the indication including a time gap prior to a transmission of each of the plurality of PUSCHs or each of the plurality of PDSCHs. The apparatus may also receive, from the base station, DCI identifying at least one transmission schedule for at least one PUSCH of the plurality of PUSCHs or at least one PDSCH of the plurality of PDSCHs. Further, the apparatus may transmit, to the base station, the at least one PUSCH or receive, from the base station, the at least one PDSCH based on the at least one transmission schedule in the received DCI.
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:
receive, from a base station, an indication of a plurality of transmission schedules for at least one of a plurality of physical uplink shared channels (PUSCHs) or a plurality of physical downlink shared channels (PDSCHs), the indication including a time gap prior to a transmission of each of the plurality of PUSCHs or each of the plurality of PDSCHs;
receive, from the base station, downlink control information (DCI) identifying at least one transmission schedule for a subset of PUSCHs of the plurality of PUSCHs or a subset of PDSCHs of the plurality of PDSCHs;
transmit, to the base station, the subset of PUSCHs or receive, from the base station, the subset of PDSCHs based on the at least one transmission schedule in the received DCI; and
transmit, to the base station, a plurality of hybrid automatic repeat request (HARQ) acknowledgements (HARQ-ACKs) based on the received subset of PDSCHs, wherein the plurality of HARQ-ACKs are bundled for the subset of PDSCHs scheduled by the DCI.
2. The apparatus of claim 1 , wherein the indication is a time domain resource allocation (TDRA) table including one or more rows for each of the plurality of transmission schedules for the plurality of PUSCHs or the plurality of PDSCHs.
3. The apparatus of claim 1 , wherein the time gap prior to the transmission of each of the plurality of PUSCHs or each of the plurality of PDSCHs corresponds to a K2 value.
4. The apparatus of claim 1 , wherein the time gap is measured from the DCI to a transmission starting time of each of the plurality of PUSCHs or each of the plurality of PDSCHs, or is measured from a transmission ending time of a prior PUSCH or a prior PDSCH to a transmission starting time of a current PUSCH or a current PDSCH.
5. The apparatus of claim 1 , wherein each of the plurality of PUSCHs is mapped to a next available uplink (UL) slot or each of the plurality of PDSCHs is mapped to a next available downlink (DL) slot.
6. The apparatus of claim 5 , wherein the indication further includes at least one of: a start and length indicator value (SLIV), a repetition number, or a mapping type of each of the plurality of PUSCHs or PDSCHs.
7. The apparatus of claim 1 , wherein a same repetition number is configured for the subset of PUSCHs or the subset of PDSCHs identified by the DCI.
8. The apparatus of claim 7 , wherein the indication is a time domain resource allocation (TDRA) table and the same repetition number is configured for each row in the TDRA table.
9. The apparatus of claim 7 , wherein the same repetition number is indicated by the DCI.
10. The apparatus of claim 1 , wherein PUSCH slot interleaving or PDSCH slot interleaving is enabled if the plurality of PUSCHs or the plurality of PDSCHs including a same repetition number are identified by the DCI.
11. The apparatus of claim 10 , wherein the PUSCH slot interleaving or the PDSCH slot interleaving is enabled via radio resource control (RRC) signaling or the DCI.
12. The apparatus of claim 1 , wherein a K1 value corresponds to a gap between a last PDSCH and the plurality of HARQ-ACKs scheduled by the same DCI.
13. The apparatus of claim 12 , wherein a timing of a physical uplink control channel (PUCCH) or uplink control information (UCI) is determined by the K1 value indicated by the same DCI.
14. The apparatus of claim 1 , wherein each of the plurality of PUSCHs or each of the plurality of PDSCHs are noncontiguous or nonconsecutive.
15. The apparatus of claim 1 , wherein the indication is received from the base station via radio resource control (RRC) signaling.
16. A method of wireless communication at a user equipment (UE), comprising:
receiving, from a base station, an indication of a plurality of transmission schedules for at least one of a plurality of physical uplink shared channels (PUSCHs) or a plurality of physical downlink shared channels (PDSCHs), the indication including a time gap prior to a transmission of each of the plurality of PUSCHs or each of the plurality of PDSCHs;
receiving, from the base station, downlink control information (DCI) identifying at least one transmission schedule for a subset of PUSCHs of the plurality of PUSCHs or a subset of PDSCHs of the plurality of PDSCHs; and
transmitting, to the base station, the subset of PUSCHs or receiving, from the base station, the subset of PDSCHs based on the at least one transmission schedule in the received DCI; and
transmitting, to the base station, a plurality of hybrid automatic repeat request (HARQ) acknowledgements (HARQ-ACKs) based on the received subset of PDSCHs, wherein the plurality of HARQ-ACKs are bundled for the subset of PDSCHs scheduled by the DCI.
17. An apparatus for wireless communication at a base station, comprising:
a memory; and
at least one processor coupled to the memory and configured to:
transmit, to a user equipment (UE), an indication of a plurality of transmission schedules for at least one of a plurality of physical uplink shared channels (PUSCHs) or a plurality of physical downlink shared channels (PDSCHs), the indication including a time gap prior to a transmission of each of the plurality of PUSCHs or each of the plurality of PDSCHs;
transmit, to the UE, downlink control information (DCI) identifying at least one transmission schedule for a subset of PUSCHs of the plurality of PUSCHs or a subset of PDSCHs of the plurality of PDSCHs;
receive, from the UE, the subset of PUSCHs or transmit, to the UE, the subset of PDSCHs based on the at least one transmission schedule in the transmitted DCI; and
receive, from the UE, a plurality of hybrid automatic repeat request (HARQ) acknowledgements (HARQ-ACKs) based on the transmitted subset of PDSCHs, wherein the plurality of HARQ-ACKs are bundled for the subset of PDSCHs scheduled by the DCI.
18. The apparatus of claim 17 , wherein the indication is a time domain resource allocation (TDRA) table including one or more rows for each of the plurality of transmission schedules for the plurality of PUSCHs or the plurality of PDSCHs.
19. The apparatus of claim 17 , wherein the time gap prior to the transmission of each of the plurality of PUSCHs or each of the plurality of PDSCHs corresponds to a K2 value.
20. The apparatus of claim 17 , wherein the time gap is measured from the DCI to a transmission starting time of each of the plurality of PUSCHs or each of the plurality of PDSCHs, or is measured from a transmission ending time of a prior PUSCH or a prior PDSCH to a transmission starting time of a current PUSCH or a current PDSCH.
21. The apparatus of claim 17 , wherein each of the plurality of PUSCHs is mapped to a next available uplink (UL) slot or each of the plurality of PDSCHs is mapped to a next available downlink (DL) slot, wherein the indication further includes at least one of: a start and length indicator value (SLIV), a repetition number, or a mapping type of each of the plurality of PUSCHs or PDSCHs.
22. The apparatus of claim 17 , wherein a same repetition number is configured for the subset of PUSCHs or the subset of PDSCHs identified by the DCI,
wherein the indication is a time domain resource allocation (TDRA) table and the same repetition number is configured for each row in the TDRA table.
23. The apparatus of claim 17 , wherein a same repetition number is configured for the subset of PUSCHs or the subset of PDSCHs identified by the DCI,
wherein the same repetition number is indicated by the DCI.
24. The apparatus of claim 17 , wherein PUSCH slot interleaving or PDSCH slot interleaving is enabled if the plurality of PUSCHs or the plurality of PDSCHs including a same repetition number are identified by the DCI,
wherein the PUSCH slot interleaving or the PDSCH slot interleaving is enabled via radio resource control (RRC) signaling or the DCI.
25. The apparatus of claim 17 , wherein a K1 value corresponds to a gap between a last PDSCH and the plurality of HARQ-ACKs scheduled by the same DCI, wherein a timing of a physical uplink control channel (PUCCH) or uplink control information (UCI) is determined by the K1 value indicated by the same DCI.
26. The apparatus of claim 17 , wherein each of the plurality of PUSCHs or each of the plurality of PDSCHs are noncontiguous or nonconsecutive.
27. The apparatus of claim 17 , wherein the indication is transmitted to the UE via radio resource control (RRC) signaling.
28. A method of wireless communication at a base station, comprising:
transmitting, to a user equipment (UE), an indication of a plurality of transmission schedules for at least one of a plurality of physical uplink shared channels (PUSCHs) or a plurality of physical downlink shared channels (PDSCHs), the indication including a time gap prior to a transmission of each of the plurality of PUSCHs or each of the plurality of PDSCHs;
transmitting, to the UE, downlink control information (DCI) identifying at least one transmission schedule for a subset of PUSCHs of the plurality of PUSCHs or a subset of PDSCHs of the plurality of PDSCHs;
receiving, from the UE, the subset of PUSCHs or transmitting, to the UE, the subset of PDSCHs based on the at least one transmission schedule in the transmitted DCI; and
receiving, from the UE, a plurality of hybrid automatic repeat request (HARQ) acknowledgements (HARQ-ACKs) based on the transmitted subset of PDSCHs, wherein the plurality of HARQ-ACKs are bundled for the subset of PDSCHs scheduled by the DCI.