Sounding reference signal resource indicators associated with configured grant physical uplink shared channel repetition
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configured grant (CG) physical uplink shared channel (PUSCH) configuration comprising at least one sounding reference signal (SRS) resource indicator, associated with at least one set of PUSCH repetitions, that indicates at least one SRS resource corresponding to at least one SRS resource set, wherein the at least one SRS resource set is listed in at least one of a first or a second SRS resource set list, wherein at least one SRS resource set listed in the second SRS resource set list is a subset of a corresponding SRS resource set listed in the first SRS resource set list. The UE may determine at least one set of PUSCH transmission parameters based at least in part on a determination of the at least one SRS resource set. Numerous other aspects are provided.
1 . An apparatus for wireless communication, comprising:
at least one processor; and
at least one memory coupled with the at least one processor, wherein the at least one processor is configured to cause the apparatus to:
receive a sounding reference signal (SRS) configuration that indicates:
a respective single SRS resource set in each SRS resource set list of one or more SRS resource set lists, or
a respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists;
receive a configured grant (CG) physical uplink shared channel (PUSCH) configuration comprising at least one SRS resource indicator associated with at least one set of PUSCH repetitions, wherein:
the at least one SRS resource indicator includes only one SRS resource indicator when the SRS configuration indicates the respective single SRS resource set in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator includes a first SRS resource indicator and a second SRS resource indicator when the SRS configuration indicates the respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator indicates at least one SRS resource corresponding to at least one SRS resource set,
the at least one SRS resource set is listed in at least one of a first SRS resource set list of the one or more SRS resource set lists or a second SRS resource set list of the one or more SRS resource set lists,
at least one SRS resource set listed in the second SRS resource set list is a subset of a corresponding SRS resource set listed in the first SRS resource set list, and
the at least one set of PUSCH repetitions comprises a first set of PUSCH repetitions associated with a first SRS resource set and a second set of PUSCH repetitions associated with a second SRS resource set; and
transmit the at least one set of PUSCH repetitions based at least in part on at least one set of PUSCH transmission parameters, the at least one set of PUSCH transmission parameters being based at least in part on the at least one SRS resource set.
2 . The apparatus of claim 1 ,
wherein the at least one SRS resource indicator includes the only one SRS resource indicator, and wherein the at least one SRS resource set includes only one SRS resource set.
3 . The apparatus of claim 2 ,
wherein the at least one SRS resource set is a first SRS resource set having a usage indicator set to codebook or non-codebook that is listed in the first SRS resource set list, based at least in part on the only one SRS resource set comprising the first SRS resource set listed in the first SRS resource set list.
4 . The apparatus of claim 2 ,
wherein the at least one SRS resource set is a first SRS resource set having a usage indicator set to codebook or non-codebook that is listed in the second SRS resource set list, based at least in part on the only one SRS resource set comprising a first SRS resource set listed in the second SRS resource set list.
5 . The apparatus of claim 2 ,
wherein the CG PUSCH configuration includes an indicator bit, wherein the only one SRS resource set comprises:
a first SRS resource set listed in the first SRS resource set list based at least in part on the indicator bit having a first value, or
a first SRS resource set listed in the second SRS resource set list based at least in part on the indicator bit having a second value.
6 . The apparatus of claim 2 ,
wherein the at least one SRS resource set is an SRS resource set associated with an SRS resource set identifier (ID), associated with the only one SRS resource set, based at least in part on an explicit indicator, associated with an uplink grant parameter of the CG PUSCH configuration, indicating the SRS resource set ID.
7 . The apparatus of claim 1 ,
wherein the at least one SRS resource indicator includes the first SRS resource indicator and the second SRS resource indicator, and wherein the first SRS resource set and the second SRS resource set are listed in the at least one of the first SRS resource set list or the second SRS resource set list.
8 . The apparatus of claim 7 ,
wherein the at least one SRS resource set is based at least in part on:
the first SRS resource set comprising a first SRS resource set listed in the first SRS resource set list and having a first usage indicator set to codebook or non-codebook; and
the second SRS resource set comprising a second SRS resource set listed in the first SRS resource set list and having a second usage indicator set to codebook or non-codebook.
9 . The apparatus of claim 8 ,
wherein the at least one SRS resource set is based at least in part on the first SRS resource set list listing the second SRS resource set.
10 . The apparatus of claim 7 ,
wherein the at least one SRS resource set is based at least in part on:
the first SRS resource set comprising a first SRS resource set listed in the second SRS resource set list and having a first usage indicator set to codebook or non-codebook; and
the second SRS resource set comprising a second SRS resource set listed in the second SRS resource set list and having a second usage indicator set to codebook or non-codebook.
11 . The apparatus of claim 7 ,
wherein the at least one SRS resource set is based at least in part on the second SRS resource set list listing the first SRS resource set and the second SRS resource set.
12 . The apparatus of claim 7 ,
wherein the CG PUSCH configuration includes an indicator bit, and wherein the at least one SRS resource set is based at least in part on:
the first SRS resource set being a first SRS resource set listed in the first SRS resource set list based at least in part on the indicator bit having a first value, or
the first SRS resource set being a first SRS resource set listed in the second SRS resource set list based at least in part on the indicator bit having a second value.
13 . The apparatus of claim 7 ,
wherein the CG PUSCH configuration includes an indicator bit, and wherein the at least one SRS resource set is based at least in part on:
the second SRS resource set being a second SRS resource set listed in the first SRS resource set list based at least in part on the indicator bit having a first value, or
the second SRS resource set being a second SRS resource set listed in the second SRS resource set list based at least in part on the indicator bit having a second value.
14 . The apparatus of claim 7 ,
wherein a first SRS resource set identifier (ID) corresponds to the first SRS resource set and a second SRS resource set ID corresponds to the second SRS resource set, wherein the at least one SRS resource set includes a first SRS resource set associated with a first SRS resource set ID and a second SRS resource set associated with a second SRS resource set ID, wherein the at least one SRS resource set is based at least in part on the at least one SRS resource set being based at least in part on an explicit indicator, associated with an uplink grant parameter of the CG PUSCH configuration, indicating the first SRS resource set ID and the second SRS resource set ID.
15 . An apparatus for wireless communication, comprising:
at least one processor; and
at least one memory communicatively coupled with the at least one processor, wherein the at least one processor is configured to cause the apparatus to:
transmit a sounding reference signal (SRS) configuration that indicates:
a respective single SRS resource set in each SRS resource set list of one or more SRS resource set lists, or
a respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists;
transmit a configured grant (CG) physical uplink shared channel (PUSCH) configuration comprising at least one sounding reference signal (SRS) resource indicator associated with at least one set of PUSCH repetitions, wherein:
the at least one SRS resource indicator includes only one SRS resource indicator when the SRS configuration indicates the respective single SRS resource set in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator includes a first SRS resource indicator and a second SRS resource indicator when the SRS configuration indicates the respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator indicates at least one SRS resource corresponding to at least one SRS resource set,
the at least one SRS resource set is listed in at least one of a first SRS resource set list of the one or more SRS resource set lists or a second SRS resource set list of the one or more SRS resource set lists,
at least one SRS resource set listed in the second SRS resource set list is a subset of a corresponding SRS resource set listed in the first SRS resource set list, and
the at least one set of PUSCH repetitions comprises a first set of PUSCH repetitions associated with a first SRS resource set and a second set of PUSCH repetitions associated with a second SRS resource set; and
receive the at least one set of PUSCH repetitions based at least in part on at least one set of PUSCH transmission parameters, wherein the at least one set of PUSCH transmission parameters is based at least in part on the at least one resource set.
16 . The apparatus of claim 15 ,
wherein the at least one SRS resource indicator includes only one SRS resource indicator, and wherein the at least one SRS resource set includes only one SRS resource set.
17 . The apparatus of claim 16 ,
wherein the at least one SRS resource set is a first SRS resource set having a usage indicator set to codebook or non-codebook that is listed in the first SRS resource set list, based at least in part on the only one SRS resource set comprising the first SRS resource set listed in the first SRS resource set list.
18 . The apparatus of claim 16 ,
wherein the at least one SRS resource set is a first SRS resource set having a usage indicator set to codebook or non-codebook that is listed in the second SRS resource set list, based at least in part on the only one SRS resource set comprising a first SRS resource set listed in the second SRS resource set list.
19 . The apparatus of claim 16 ,
wherein the CG PUSCH configuration includes an indicator bit, wherein the only one SRS resource set comprises:
a first SRS resource set listed in the first SRS resource set list based at least in part on the indicator bit having a first value, or
a first SRS resource set listed in the second SRS resource set list based at least in part on the indicator bit having a second value.
20 . The apparatus of claim 15 ,
wherein the at least one SRS resource indicator includes the first SRS resource indicator and the second SRS resource indicator, and wherein the first SRS resource set and the second SRS resource set are listed in the at least one of the first SRS resource set list or the second SRS resource set list.
21 . The apparatus of claim 20 ,
wherein the at least one SRS resource set is based at least in part on:
the first SRS resource set comprising a first SRS resource set listed in the second SRS resource set list and having a first usage indicator set to codebook or non-codebook; and
the second SRS resource set comprising a second SRS resource set listed in the second SRS resource set list and having a second usage indicator set to codebook or non-codebook.
22 . The apparatus of claim 20 ,
wherein the at least one SRS resource set is based at least in part on the second SRS resource set list listing the first SRS resource set and the second SRS resource set.
23 . The apparatus of claim 20 ,
wherein the at least one SRS resource set is based at least in part on:
the first SRS resource set comprising a first SRS resource set listed in the first SRS resource set list and having a first usage indicator set to codebook or non-codebook; and
the second SRS resource set comprising a second SRS resource set listed in the first SRS resource set list and having a second usage indicator set to codebook or non-codebook.
24 . The apparatus of claim 20 ,
wherein the CG PUSCH configuration includes an indicator bit, and wherein the at least one SRS resource set is based at least in part on:
the first SRS resource set being a first SRS resource set listed in the first SRS resource set list based at least in part on the indicator bit having a first value, or
the first SRS resource set being a first SRS resource set listed in the second SRS resource set list based at least in part on the indicator bit having a second value.
25 . A method of wireless communication performed by an apparatus, comprising:
receiving a sounding reference signal (SRS) configuration that indicates:
a respective single SRS resource set in each SRS resource set list of one or more SRS resource set lists, or
a respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists;
receiving a configured grant (CG) physical uplink shared channel (PUSCH) configuration comprising at least one sounding reference signal (SRS) resource indicator associated with at least one set of PUSCH repetitions, wherein:
the at least one SRS resource indicator includes only one SRS resource indicator when the SRS configuration indicates the respective single SRS resource set in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator includes a first SRS resource indicator and a second SRS resource indicator when the SRS configuration indicates the respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator indicates at least one SRS resource corresponding to at least one SRS resource set,
the at least one SRS resource set is listed in at least one of a first SRS resource set list of the one or more SRS resource set lists or a second SRS resource set list of the one or more SRS resource set lists,
at least one SRS resource set listed in the second SRS resource set list is a subset of a corresponding SRS resource set listed in the first SRS resource set list, and
the at least one set of PUSCH repetitions comprises a first set of PUSCH repetitions associated with a first SRS resource set and a second set of PUSCH repetitions associated with a second SRS resource set; and
transmitting the at least one set of PUSCH repetitions based at least in part on at least one set of PUSCH transmission parameters, the at least one set of PUSCH transmission parameters being based at least in part on the at least one SRS resource set.
26 . The method of claim 25 ,
wherein the at least one SRS resource indicator includes the only one SRS resource indicator, and wherein the at least one SRS resource set includes only one SRS resource set.
27 . The method of claim 25 ,
wherein the at least one SRS resource indicator includes the first SRS resource indicator and the second SRS resource indicator, and wherein the first SRS resource set and the second SRS resource set are listed in the at least one of the first SRS resource set list or the second SRS resource set list.
28 . The method of claim 27 ,
wherein the at least one SRS resource set is based at least in part on:
the first SRS resource set comprising a first SRS resource set listed in the second SRS resource set list and having a first usage indicator set to codebook or non-codebook; and
the second SRS resource set comprising a second SRS resource set listed in the second SRS resource set list and having a second usage indicator set to codebook or non-codebook.
29 . A method of wireless communication performed by an apparatus, comprising:
transmitting a sounding reference signal (SRS) configuration that indicates:
a respective single SRS resource set in each SRS resource set list of one or more SRS resource set lists, or
a respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists;
transmitting a configured grant (CG) physical uplink shared channel (PUSCH) configuration comprising at least one sounding reference signal (SRS) resource indicator associated with at least one set of PUSCH repetitions, wherein:
the at least one SRS resource indicator includes only one SRS resource indicator when the SRS configuration indicates the respective single SRS resource set in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator includes a first SRS resource indicator and a second SRS resource indicator when the SRS configuration indicates the respective plurality of SRS resource sets in each SRS resource set list of the one or more SRS resource set lists,
the at least one SRS resource indicator indicates at least one SRS resource corresponding to at least one SRS resource set,
the at least one SRS resource set is listed in at least one of a first SRS resource set list of the one or more SRS resource set lists or a second SRS resource set list of the one or more SRS resource set lists,
at least one SRS resource set listed in the second SRS resource set list is a subset of a corresponding SRS resource set listed in the first SRS resource set list, and
the at least one set of PUSCH repetitions comprises a first set of PUSCH repetitions associated with a first SRS resource set and a second set of PUSCH repetitions associated with a second SRS resource set; and
receiving the at least one set of PUSCH repetitions based at least in part on at least one set of PUSCH transmission parameters, wherein the at least one set of PUSCH transmission parameters is based at least in part on the at least one resource set.
30 . The method of claim 29 ,
wherein the at least one SRS resource indicator includes the only one SRS resource indicator, and wherein the at least one SRS resource set includes only one SRS resource set.