Interaction of PRACH repetition and request of Msg3 repetition
Methods, apparatuses, and computer readable medium for PRACH repetition and Msg 3 repetition are provided. An example method may include receiving, from a base station, an indication associated with a set of PRACH resources. The example method may further include transmitting, to the base station, one or more PRACH repetitions using the set of PRACH resources. The example method may further include receiving, from the base station based on the one or more PRACH repetitions, a grant associated with a PUSCH repetition.
1. An apparatus for wireless communication at a user equipment (UE), comprising:
memory; and
at least one processor coupled to the memory and configured to:
receive, from a base station, an indication associated with a set of physical random access channel (PRACH) resources;
transmit, to the base station, one or more PRACH repetitions using the set of PRACH resources to indicate a physical uplink shared channel (PUSCH) repetition request for a PUSCH repetition, wherein the one or more PRACH repetitions are associated with a preamble sequence corresponding to a PRACH resource of the set of PRACH resources; and
receive, from the base station based on the one or more PRACH repetitions, a grant associated with the PUSCH repetition.
2. The apparatus of claim 1 , wherein the PUSCH repetition is associated with a random access channel (RACH) message 3 (Msg3).
3. The apparatus of claim 1 , wherein the set of PRACH resources comprises a first subset of PRACH resources associated with the PUSCH repetition and the one or more PRACH repetitions, and wherein the set of PRACH resources further comprises a second subset of the PRACH resources associated with the PUSCH repetition and not associated with any of the one or more PRACH repetitions.
4. The apparatus of claim 3 , wherein the first subset of the PRACH resources is a subset of the second subset of the PRACH resources.
5. The apparatus of claim 3 , wherein the second subset of the PRACH resources is a subset of the first subset of the PRACH resources.
6. The apparatus of claim 1 , wherein the one or more PRACH repetitions are associated with a subset of preamble sequences associated with the set of PRACH resources.
7. The apparatus of claim 1 , wherein each of the one or more PRACH repetitions is associated with each of one or more preamble sequences associated with the set of PRACH resources, wherein each of the one or more preamble sequences is different.
8. The apparatus of claim 7 , wherein the grant is further based on one or more relations between each of the one or more preamble sequences associated with each of the one or more PRACH repetitions.
9. The apparatus of claim 8 , wherein the one or more relations comprise a configured cyclic shift.
10. The apparatus of claim 1 , wherein the grant is further based on a synchronization signal (SS) reference signal received power (RSRP) associated with the one or more PRACH repetitions.
11. The apparatus of claim 1 , wherein the grant is further based on one or more of: a frequency range associated with the set of PRACH resources or the PUSCH repetition, a frequency band associated with the set of PRACH resources or the PUSCH repetition, or a PRACH format associated with the set of PRACH resources.
12. The apparatus of claim 1 , wherein the one or more PRACH repetitions correspond to the PUSCH repetition request for the PUSCH repetition.
13. The apparatus of claim 1 , further comprising a transceiver coupled to the at least one processor.
14. An apparatus for wireless communication at a base station, comprising:
memory; and
at least one processor coupled to the memory and configured to:
transmit, to a user equipment (UE), an indication associated with a set of physical random access channel (PRACH) resources;
receive, from the UE, one or more PRACH repetitions using the set of PRACH resources indicating a physical uplink shared channel (PUSCH) repetition request for a PUSCH repetition, wherein the one or more PRACH repetitions are associated with a preamble sequence corresponding to a PRACH resource of the set of PRACH resources; and
transmit, to the UE based on the one or more PRACH repetitions, a grant associated with the PUSCH repetition.
15. The apparatus of claim 14 , wherein the PUSCH repetition is associated with a random access channel (RACH) message 3 (Msg3).
16. The apparatus of claim 14 , wherein the set of PRACH resources comprises a first subset of PRACH resources associated with the PUSCH repetition and the one or more PRACH repetitions, and wherein the set of PRACH resources further comprises a second subset of the PRACH resources associated with the PUSCH repetition and not associated with any of the one or more PRACH repetitions.
17. The apparatus of claim 16 , wherein the first subset of the PRACH resources is a subset of the second subset of the PRACH resources.
18. The apparatus of claim 16 , wherein the second subset of the PRACH resources is a subset of the first subset of the PRACH resources.
19. The apparatus of claim 14 , wherein the one or more PRACH repetitions are associated with a subset of preamble sequences associated with the set of PRACH resources.
20. The apparatus of claim 14 , wherein each of the one or more PRACH repetitions is associated with each of one or more preamble sequences associated with the set of PRACH resources, wherein each of the one or more preamble sequences is different.
21. The apparatus of claim 20 , wherein the grant is further based on one or more relations between each of the one or more preamble sequences associated with each of the one or more PRACH repetitions.
22. The apparatus of claim 21 , wherein the one or more relations comprise a configured cyclic shift.
23. The apparatus of claim 14 , wherein the grant is further based on a synchronization signal (SS) reference signal received power (RSRP) associated with the one or more PRACH repetitions.
24. The apparatus of claim 14 , wherein the grant is further based on one or more of: a frequency range associated with the set of PRACH resources or the PUSCH repetition, a frequency band associated with the set of PRACH resources or the PUSCH repetition, or a PRACH format associated with the set of PRACH resources.
25. The apparatus of claim 14 , wherein the one or more PRACH repetitions correspond to the PUSCH repetition request for the PUSCH repetition.
26. The apparatus of claim 14 , further comprising a transceiver coupled to the at least one processor.
27. A method for wireless communication at a user equipment (UE), comprising:
receiving, from a base station, an indication associated with a set of physical random access channel (PRACH) resources;
transmitting, to the base station, one or more PRACH repetitions using the set of PRACH resources to indicate a physical uplink shared channel (PUSCH) repetition request for a PUSCH repetition, wherein the one or more PRACH repetitions are associated with a preamble sequence corresponding to a PRACH resource of the set of PRACH resources; and
receiving, from the base station based on the one or more PRACH repetitions, a grant associated with the PUSCH repetition.
28. A method for wireless communication at a base station, comprising:
transmitting, to a user equipment (UE), an indication associated with a set of physical random access channel (PRACH) resources;
receiving, from the UE, one or more PRACH repetitions using the set of PRACH resources indicating a physical uplink shared channel (PUSCH) repetition request for a PUSCH repetition, wherein the one or more PRACH repetitions are associated with a preamble sequence corresponding to a PRACH resource of the set of PRACH resources; and
transmitting, to the UE based on the one or more PRACH repetitions, a grant associated with the PUSCH repetition.