Uplink transmission collision management
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may identify, when using carrier aggregation and a plurality of component carrier groups, first traffic associated with a first service type and second traffic associated with a second service type for concurrent transmission. The user equipment may transmit, concurrently, the first traffic associated with the first service type using a first component carrier group of the plurality of component carrier groups, and the second traffic associated with the second service type using a second component carrier group of the plurality of component carrier groups. Numerous other aspects are provided.
1. A method of wireless communication performed by a user equipment, comprising:
identifying, when using carrier aggregation and a plurality of component carrier groups, first traffic associated with a first service type and second traffic associated with a second service type for concurrent transmission, wherein the user equipment is configured to reject a scheduling of the first service type and the second service type for a same component carrier group; and
transmitting, concurrently, the first traffic associated with the first service type using a first component carrier group of the plurality of component carrier groups, and the second traffic associated with the second service type using a second component carrier group of the plurality of component carrier groups.
2. The method of claim 1 , wherein the first service type is enhanced mobile broadband traffic and the second service type is ultra-reliable low latency communication traffic.
3. The method of claim 1 , wherein the user equipment is configured to transmit the first service type using the first component carrier group and the second service type using the second component carrier group based at least in part on received signaling.
4. The method of claim 3 , wherein the received signaling is dynamic signaling indicating that the first traffic is scheduled for the first component carrier group and the second traffic is scheduled for the second component carrier group.
5. The method of claim 3 , wherein the received signaling is semi-static signaling indicating that the first traffic is scheduled for the first component carrier group and the second traffic is scheduled for the second component carrier group.
6. The method of claim 3 , wherein the received signaling is associated with at least one of semi-persistent scheduling or grant-free contention scheduling.
7. The method of claim 3 , wherein the received signaling includes dynamic signaling indicating that the first traffic is scheduled for the first component carrier group and semi-static signaling indicating that the second service type is scheduled for the second component carrier group.
8. The method of claim 3 , wherein the received signaling is a downlink control information message.
9. The method of claim 1 , wherein the first traffic and the second traffic are one of:
a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH),
a first PUCCH and a second PUCCH, or
a first PUSCH and a second PUSCH.
10. The method of claim 1 , wherein the first traffic or the second traffic is a physical uplink shared channel that includes at least one of data traffic or uplink control information traffic.
11. The method of claim 1 , wherein the first traffic includes uplink control information associated with at least one of an acknowledgement message for a downlink transmission, a negative acknowledgement message for a downlink transmission, a service request, or a channel state information feedback message.
12. The method of claim 1 , wherein the first component carrier group is configured to convey the first traffic associated with the first service type for the user equipment and third traffic associated with a third service type for another user equipment.
13. The method of claim 12 , wherein the second component carrier group is configured to convey the second traffic associated with the second service type for the user equipment and fourth traffic associated with a fourth service type for the other user equipment.
14. The method of claim 1 , wherein the first component carrier group is a first physical uplink control channel (PUCCH) group and the second component carrier group is a second PUCCH group.
15. The method of claim 14 , wherein the first component carrier group is a first physical uplink control channel (PUCCH) group and the second component carrier group is a second PUCCH group.
16. The method of claim 1 , wherein the first traffic is a physical uplink control channel (PUCCH) traffic and the first component carrier group is a first PUCCH group, and wherein the second traffic is non-PUCCH traffic and the second component carrier group is a second PUCCH group.
17. The method of claim 16 , wherein the first component carrier group is configured to convey PUCCH traffic and non-PUCCH traffic.
18. A method of wireless communication performed by a base station, comprising:
transmitting, to a user equipment that is using carrier aggregation and a plurality of component carrier groups, information scheduling first traffic associated with a first service type for a first component carrier group of a plurality of component carrier groups and second traffic associated with a second service type for concurrent transmission in a second component carrier group of the plurality of component carrier groups; and
receiving, concurrently, the first traffic associated with the first service type using the first component carrier group and the second traffic associated with the second service type using the second component carrier group.
19. The method of claim 18 , wherein the first service type is enhanced mobile broadband traffic and the second service type is ultra-reliable low latency communication traffic.
20. The method of claim 18 , wherein the information scheduling the first traffic and the second traffic is dynamic signaling indicating that the first traffic is scheduled for the first component carrier group and the second traffic is scheduled for the second component carrier group.
21. The method of claim 18 , wherein the information scheduling the first traffic and the second traffic is semi-static signaling indicating that the first traffic is scheduled for the first component carrier group and the second traffic is scheduled for the second component carrier group.
22. The method of claim 18 , wherein the information scheduling the first traffic and the second traffic is associated with at least one of semi-persistent scheduling or grant-free contention scheduling.
23. The method of claim 18 , wherein the information scheduling the first traffic and the second traffic includes dynamic signaling indicating that the first traffic is scheduled for the first component carrier group and semi-static signaling indicating that the second service type is scheduled for the second component carrier group.
24. The method of claim 18 , wherein the first traffic and the second traffic are one of:
a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH),
a first PUCCH and a second PUCCH, or
a first PUSCH and a second PUSCH.
25. The method of claim 18 , wherein the first traffic or the second traffic is a physical uplink shared channel that includes at least one of data traffic or uplink control information traffic.
26. A user equipment, comprising:
a memory; and
one or more processors operatively coupled to the memory, the memory and the one or more processors configured to:
identify, when using carrier aggregation and a plurality of component carrier groups, first traffic associated with a first service type and second traffic associated with a second service type for concurrent transmission, wherein the user equipment is configured to reject a scheduling of the first service type and the second service type for a same component carrier group; and
transmit, concurrently, the first traffic associated with the first service type using a first component carrier group of the plurality of component carrier groups, and the second traffic associated with the second service type using a second component carrier group of the plurality of component carrier groups.
27. The user equipment of claim 26 , wherein the first service type is enhanced mobile broadband traffic and the second service type is ultra-reliable low latency communication traffic.
28. The user equipment of claim 26 , wherein the user equipment is configured to transmit the first service type using the first component carrier group and the second service type using the second component carrier group based at least in part on received signaling.
29. A base station, comprising:
a memory; and
one or more processors operatively coupled to the memory, the memory and the one or more processors configured to:
transmit, to a user equipment that is using carrier aggregation and a plurality of component carrier groups, information scheduling first traffic associated with a first service type for a first component carrier group of a plurality of component carrier groups and second traffic associated with a second service type for concurrent transmission in a second component carrier group of the plurality of component carrier groups; and
receive, concurrently, the first traffic associated with the first service type using the first component carrier group and the second traffic associated with the second service type using the second component carrier group.
30. The base station of claim 29 , wherein the first service type is enhanced mobile broadband traffic and the second service type is ultra-reliable low latency communication traffic.