Consolidated feedback indication and feedback transmission
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, in a downlink control information, a bit map identifying a plurality of feedback indicators for a plurality of uplink transmissions, wherein the plurality of feedback indicators includes more than one acknowledgment and/or negative acknowledgment; and retransmit one or more of the plurality of uplink transmissions based at least in part on receiving the bit map identifying the plurality of feedback indicators. Numerous other aspects are provided.
1. A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors coupled to the memory, the one or more processors configured to:
transmit a plurality of configured grant uplink transmissions associated with a plurality of uplink transmission occasions;
receive, in a single downlink control information, a hybrid automatic repeat request (HARQ) bitmap identifying a plurality of feedback indicators for the plurality of configured grant uplink transmissions, wherein the plurality of feedback indicators includes more than one acknowledgment or negative acknowledgment corresponding to the plurality of uplink transmission occasions and wherein an arrangement of bits in the HARQ bitmap is based at least in part on a HARQ identifier; and
retransmit one or more uplink transmissions, of the plurality of configured grant uplink transmissions, based at least in part on the received HARQ bitmap.
2. The UE of claim 1 , wherein the plurality of uplink transmission occasions corresponds to a plurality of physical uplink shared channel transmission occasions with a plurality of different HARQ identifiers.
3. The UE of claim 1 , wherein the plurality of uplink transmission occasions comprises a first physical uplink shared channel occasion and a second physical uplink shared channel occasion, and wherein the HARQ bitmap includes a first region including a first subset of the plurality of feedback indicators for the first physical uplink shared channel occasion and a second region including a second subset of the plurality of feedback indicators for the second physical uplink shared channel occasion.
4. The UE of claim 1 , wherein the one or more processors are configured to retransmit the one or more uplink transmissions in one or more configured grants.
5. The UE of claim 1 , wherein a first bit of the HARQ bitmap corresponds to a first transport block of an uplink transmission of the plurality of configured grant uplink transmissions and a second bit of the HARQ bitmap corresponds to a second transport block of the uplink transmission.
6. The UE of claim 1 , wherein a first bit of the HARQ bitmap corresponds to a first code block group of an uplink transmission of the plurality of configured grant uplink transmissions and a second bit of the HARQ bitmap corresponds to a second code block group of the uplink transmission.
7. A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors coupled to the memory, the one or more processors configured to:
transmit a plurality of configured grant uplink transmissions associated with a plurality of uplink transmission occasions;
receive a single downlink control information identifying a failure associated with the plurality of uplink transmission occasions, wherein the single downlink control information includes feedback information corresponding to the plurality of uplink transmission occasions and wherein the single downlink control information includes a hybrid automatic repeat request (HARQ) bitmap comprising an arrangement of bits that is based at least in part on a HARQ identifier; and
retransmit one or more uplink transmissions, of the plurality of configured grant uplink transmissions, based at least in part on the received single downlink control information.
8. The UE of claim 7 , wherein the plurality of configured grant uplink transmissions associated with the plurality of uplink transmission occasions is a plurality of physical uplink shared channel transmissions associated with a plurality of physical uplink shared channel occasions.
9. The UE of claim 7 , wherein the plurality of configured grant uplink transmissions is associated with a plurality of different HARQ identifiers, the plurality of different HARQ identifiers including the HARQ identifier.
10. The UE of claim 7 , wherein the one or more uplink transmissions correspond to a next configured grant occasion.
11. The UE of claim 7 , wherein the one or more uplink transmissions correspond to a next configured grant occasion associated with one of a subset of configured grant configuration identifiers.
12. The UE of claim 7 , wherein to receive the single downlink control information, the one or more processors are configured to:
receive a feedback message including the HARQ bitmap, wherein the feedback message does not include one or more operation parameters for the one or more uplink transmissions, and
wherein to retransmit the one or more uplink transmissions, the one or more processors are configured to:
use one or more stored operation parameters for the one or more uplink transmissions.
13. The UE of claim 7 , wherein the plurality of configured grant uplink transmissions is associated with a greater resource allocation than the one or more uplink transmissions; and
wherein to retransmit the one or more uplink transmissions, the one or more processors are configured to:
scale a configured grant resource allocation of the one or more uplink transmissions to accommodate at least a subset of the plurality of configured grant uplink transmissions, or
increase a modulation and coding scheme of the one or more uplink transmissions to accommodate at least a subset of the plurality of configured grant uplink transmissions.
14. The UE of claim 7 , wherein the HARQ bitmap identifies a plurality of feedback indicators for the plurality of configured grant uplink transmissions, and wherein the HARQ bitmap includes a first region including a first subset of the plurality of feedback indicators for a first physical uplink shared channel occasion and a second region including a second subset of the plurality of feedback indicators for a second physical uplink shared channel occasion.
15. The UE of claim 7 , wherein a first bit of the HARQ bitmap corresponds to a first transport block of an uplink transmission of the plurality of configured grant uplink transmissions and a second bit of the HARQ bitmap corresponds to a second transport block of the uplink transmission.
16. The UE of claim 7 , wherein a first bit of the HARQ bitmap corresponds to a first code block group of an uplink transmission of the plurality of configured grant uplink transmissions and a second bit of the HARQ bitmap corresponds to a second code block group of the uplink transmission.
17. A method of wireless communication performed by a user equipment (UE), comprising:
transmitting a plurality of configured grant uplink transmissions associated with a plurality of uplink transmission occasions;
receiving, in a single downlink control information, a hybrid automatic repeat request (HARQ) bitmap identifying a plurality of feedback indicators for the plurality of configured grant uplink transmissions, wherein the plurality of feedback indicators includes more than one acknowledgment or negative acknowledgment corresponding to the plurality of uplink transmission occasions and wherein an arrangement of bits in the HARQ bitmap is based at least in part on a HARQ identifier; and
retransmitting one or more uplink transmissions, of the plurality of configured grant uplink transmissions, based at least in part on the received HARQ bitmap.
18. The method of claim 17 , wherein the plurality of uplink transmission occasions corresponds to a plurality of physical uplink shared channel transmission occasions with a plurality of different HARQ identifiers.
19. The method of claim 17 , wherein the plurality of uplink transmission occasions comprises a first physical uplink shared channel occasion and a second physical uplink shared channel occasion, and wherein the HARQ bitmap includes a first region including a first subset of the plurality of feedback indicators for the first physical uplink shared channel occasion and a second region including a second subset of the plurality of feedback indicators for the second physical uplink shared channel occasion.
20. The method of claim 17 , wherein a first bit of the HARQ bitmap corresponds to a first transport block of an uplink transmission of the plurality of configured grant uplink transmissions and a second bit of the HARQ bitmap corresponds to a second transport block of the uplink transmission.