Multi-slot transmission time interval based channel state information and uplink shared channel multiplexing
Various aspects of the present disclosure generally relate to multi-slot transmission time interval based channel state information (CSI) and uplink shared channel (UL-SCH) multiplexing. In some aspects, a user equipment (UE) may receive a downlink control information (DCI) message and determine, based at least in part on the DCI message, a schedule for multiplexing UL-SCH data and one or more components of uplink control information (UCI) in a plurality of slots on a physical uplink shared channel (PUSCH). The components may include a CSI report for a plurality of transmission reception points. The UE may multiplex the UL-SCH data and the one or more components into the plurality of slots based at least in part on the schedule. Numerous other aspects are provided.
1. A method of wireless communication performed by a user equipment (UE), comprising:
receiving a downlink control information (DCI) message;
determining, based at least in part on the DCI message, a schedule for multiplexing uplink shared channel (UL-SCH) data and one or more components of uplink control information (UCI) in a plurality of slots on a physical uplink shared channel (PUSCH), wherein the one or more components include a channel state information (CSI) report for a plurality of transmission reception points; and
multiplexing the UL-SCH data and the one or more components in the plurality of slots based at least in part on the schedule, wherein each of the plurality of slots includes a first quantity of resource elements for a first one of the one or more components and a second quantity of resource elements for a second one of the one or more components.
2. The method of claim 1 , wherein the schedule includes a quantity of resource elements and a slot location for the UL-SCH data and the one or more components.
3. The method of claim 1 , wherein determining the schedule includes determining a quantity of resource elements for the one or more components based at least in part on one or more of a beta offset value or a scaling factor indicated in the DCI message.
4. The method of claim 1 , further comprising configuring the UE to multiplex the UL-SCH data and the one or more components in the plurality of slots based at least in part on receiving one or more of a radio resource control (RRC) message or an uplink (UL) grant.
5. The method of claim 4 , wherein the UL grant includes one or more of a valid CSI request indication or a negative UL-SCH data transmission indication.
6. The method of claim 1 , further comprising determining a quantity of the plurality of slots to be scheduled in one of an uplink grant, the DCI message, a radio resource control message, or stored configuration information.
7. The method of claim 1 , further comprising:
transmitting a UE capability message; and
receiving the schedule based at least in part on transmitting the UE capability message.
8. The method of claim 1 , wherein determining the schedule includes determining the first quantity of resource elements and the second quantity of resource elements based at least in part on a quantity of available resource elements across the plurality of slots.
9. The method of claim 1 , wherein the each of the plurality of slots includes one or more of a same quantity of orthogonal frequency division multiplexing symbols or a same reference signal.
10. The method of claim 9 , wherein a quantity of available resource elements across the plurality of slots is a quantity of available resource elements in a first one of the plurality of slots multiplied by a quantity of the plurality of slots.
11. The method of claim 1 , wherein the each of the plurality of slots includes one or more of a different quantity of orthogonal frequency division multiplexing symbols or a different reference signal.
12. The method of claim 11 , wherein a quantity of available resource elements across the plurality of slots is based at least in part on the different quantity of orthogonal frequency division multiplexing symbols or the different reference signal.
13. The method of claim 1 , wherein determining the schedule includes determining a quantity of resource elements for each of the one or more components based at least in part on one or more of a beta offset value or a scaling factor indication.
14. The method of claim 1 , wherein the schedule includes multiplexing the first one of the one or more components in the first quantity of resource elements and the second one of the one or more components in the second quantity of resource elements.
15. The method of claim 1 , wherein the each of the plurality of slots includes one or more of a same quantity of orthogonal frequency division multiplexing symbols or a same reference signal.
16. The method of claim 1 , wherein the first quantity of resource elements for the first one of the one or more components is a same quantity in the each of the plurality of slots, and wherein the second quantity of resource elements for the second one of the one or more components is another same quantity in the each of the plurality of slots.
17. The method of claim 1 , wherein the each of the plurality of slots includes one or more of a different quantity of orthogonal frequency division multiplexing symbols or a different reference signal.
18. The method of claim 1 , wherein the first quantity of resource elements for the first one of the one or more components and the second quantity of resource elements for the second one of the one or more components is configured for the each of the plurality of slots.
19. The method of claim 1 , wherein the plurality of slots have different beta offset values or different scaling factors based at least in part on a radio resource control message or an uplink grant.
20. The method of claim 1 , wherein at least one of the plurality of slots includes no UL-SCH data.
21. The method of claim 1 , wherein the plurality of slots have a same beta offset value or a same scaling factor, and wherein the schedule includes multiplexing the UL-SCH data in a transport block and multiplexing the transport block in resource elements that remain in each respective slot of the plurality of slots after multiplexing the one or more components in the respective slot.
22. The method of claim 21 , wherein a transport block size, of the transport block, is based at least in part on a quantity of resource elements in the respective slot.
23. A method of wireless communication performed by a network entity, comprising:
determining a schedule for a user equipment (UE) to multiplex uplink shared channel (UL-SCH) data and one or more components of uplink control information (UCI) in a plurality of slots on a physical uplink shared channel (PUSCH), wherein the one or more components include a channel state information (CSI) report for a plurality of transmission reception points; and
transmitting a downlink control information (DCI) message that includes the schedule, wherein each of the plurality of slots includes a first quantity of resource elements for a first one of the one or more components and a second quantity of resource elements for a second one of the one or more components.
24. The method of claim 23 , wherein the DCI message includes one or more of a beta offset value or a scaling factor.
25. The method of claim 23 , further comprising configuring the UE to determine a quantity of resource elements for each of the one or more components based at least in part on a quantity of available resource elements across the plurality of slots.
26. The method of claim 23 , wherein the each of the plurality of slots includes one or more of a same quantity of orthogonal frequency division multiplexing symbols or a same reference signal.
27. The method of claim 23 , wherein the each of the plurality of slots includes one or more of a different quantity of orthogonal frequency division multiplexing symbols or a different reference signal.
28. The method of claim 23 , further comprising configuring the UE to determine the schedule by determining a quantity of resource elements for each of the one or more components based at least in part on one or more of a beta offset value or a scaling factor indication.
29. 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 comprising instructions executable by the one or more processors to cause the UE to:
receive a downlink control information (DCI) message;
determine, based at least in part on the DCI message, a schedule for multiplexing uplink shared channel (UL-SCH) data and one or more components of uplink control information (UCI) in a plurality of slots on a physical uplink shared channel (PUSCH), wherein the one or more components include a channel state information (CSI) report for a plurality of transmission reception points; and
multiplex the UL-SCH data and the one or more components in the plurality of slots based at least in part on the schedule, wherein each of the plurality of slots includes a first quantity of resource elements for a first one of the one or more components and a second quantity of resource elements for a second one of the one or more components.
30. A network entity 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 comprising instructions executable by the one or more processors to cause the network entity to:
determine a schedule for a user equipment (UE) to multiplex uplink shared channel (UL-SCH) data and one or more components of uplink control information (UCI) in a plurality of slots on a physical uplink shared channel (PUSCH), wherein the one or more components include a channel state information (CSI) report for a plurality of transmission reception points; and
transmit a downlink control information (DCI) message that includes the schedule, wherein each of the plurality of slots includes a first quantity of resource elements for a first one of the one or more components and a second quantity of resource elements for a second one of the one or more components.