Multiple physical uplink control channel (PUCCH) resources for an uplink control information (UCI) report
A method for providing multiple physical uplink control channel (PUCCH) resources for a uplink control information (UCI) report can include receiving one or more PUCCH resource configurations from a base station (BS) at a user equipment (UE) in a wireless communication system, and determining a first PUCCH resource configuration from the one or more PUCCH resource configurations for reporting a UCI. The first PUCCH resource configuration can indicate multiple frequency domain transmission occasions in a bandwidth. The UCI can be transmitted on at least one of the multiple frequency domain transmission occasions indicated by the first PUCCH resource configuration.
1. A method, comprising:
receiving one or more physical uplink control channel (PUCCH) resource configurations from a base station (BS) at a user equipment (UE) in a wireless communication system, each PUCCH resource configuration being associated with a resource index, each PUCCH resource configuration indicating multiple candidate PUCCH resources distributed in different subbands configured to the UE:
receiving a PUCCH resource set including a list of the resource indices of ones of the one or more PUCCH resource configurations;
determining a first resource index from the resource indices included in the PUCCH resource set based on a PUCCH resource indication signaled from the BS;
selecting a first PUCCH resource from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the first resource index; and
transmitting an uplink control information (UCI) on the first PUCCH resource selected from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the first resource index.
2. The method of claim 1 , further comprising:
receiving a channel state information (CSI) reporting configuration indicating one or more bandwidth parts (BWPs) each associated with one of the resource indices of the one or more PUCCH resource configurations, the UE operating on a first BWP of the one or more BWPs;
determining a second resource index that is the resource index corresponding to the first BWP the UE operates on:
selecting a second PUCCH resource from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the second resource index; and
transmitting a CSI report on the second PUCCH resource.
3. The method of claim 1 , wherein ones of the one or more PUCCH resource configurations each indicate a number of subbands each configured with one of the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
4. The method of claim 1 , wherein ones of the one or more PUCCH resource configurations each indicate a starting resource unit in frequency domain for each of the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
5. The method of claim 4 , wherein the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration have the same starting resource unit.
6. The method of claim 1 , wherein ones of the one or more PUCCH resource configurations each indicate a resource format for each of multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
7. The method of claim 6 , wherein the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration have the same resource format.
8. An apparatus, comprising circuitry configured to:
receive one or more physical uplink control channel (PUCCH) resource configurations from a base station (BS) in a wireless communication system, each PUCCH resource configuration being associated with a resource index, each PUCCH resource configuration indicating multiple candidate PUCCH resources distributed in different subbands configured to the UE;
receive a PUCCH resource set including a list of the resource indices of ones of the one or more PUCCH resource configurations;
determine a first resource index from the resource indices included in the PUCCH resource set based on a PUCCH resource indication signaled from the BS;
select a first PUCCH resource from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the first resource index; and
transmit an uplink control information (UCI) on the first PUCCH resource selected from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the first resource index.
9. The apparatus of claim 8 , wherein the circuitry is further configured to:
receive a channel state information (CSI) reporting configuration indicating one or more bandwidth parts (BWPs) each associated one of the resource indices of the one or more PUCCH resource configurations, the UE operating on a first BWP of the one or more BWP;
determine a second resource index that is the resource index corresponding to the first BWP the LIE operates on;
select a second PUCCH resource from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the second resource index; and
transmit a CSI report on the second PUCCH resource.
10. The apparatus of claim 8 , wherein ones of the one or more PUCCH resource configurations each indicate a number of subbands each configured with one of the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
11. The apparatus of claim 8 , wherein ones of the one or more PUCCH resource configurations each indicate a starting resource unit in frequency domain for each of the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
12. The apparatus of claim 11 , wherein the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration have the same starting resource unit.
13. The apparatus of claim 8 , wherein ones of the one or more PUCCH resource configurations each indicate a resource format for each of multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
14. The apparatus of claim 13 , wherein the candidate PUCCH resources indicated by the respective PUCCH resource configuration have the same resource format.
15. A non-transitory computer-readable medium storing instructions that, when executed by a processor, cause the processor to perform a method, the method comprising:
receiving one or more physical uplink control channel (PUCCH) resource configurations from a base station (BS) at a user equipment (UE) in a wireless communication system, each PUCCH resource configuration being associated with a resource index, each PUCCH resource configuration indicating multiple candidate PUCCH resources distributed in different subbands configured to the UE;
receiving a PUCCH resource set including a list of the resource indices of ones of the one or more PUCCH resource configurations;
determining a first resource index from the resource indices included in the PUCCH resource set based on a PUCCH resource indication signaled from the BS;
selecting a first PUCCH resource from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the first resource index; and
transmitting an uplink control information (UCI) on the first PUCCH resource selected from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the first resource index.
16. The non-transitory computer-readable medium of claim 15 , wherein the method further comprises:
receiving a channel state information (CSI) reporting configuration indicating one or more bandwidth parts (BWPs) each associated with one of the resource indices of the one or more PUCCH resource configurations, the UE operating on a first BWP of the one or more BWPs;
determining a second resource index that is the resource index corresponding to the first BWP the UE operates on;
selecting a second PUCCH resource from the multiple candidate PUCCH resources indicated by the PUCCH resource configuration associated with the second resource index; and
transmitting a CSI report on the second PUCCH resource.
17. The non-transitory computer-readable medium of claim 15 , wherein ones of the one or more PUCCH resource configurations each indicate a number of subbands each configured with one of the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
18. The non-transitory computer-readable medium of claim 15 , wherein ones of the one or more PUCCH resource configurations each indicate a starting resource unit in frequency domain for each of the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.
19. The non-transitory computer-readable medium of claim 18 , wherein the multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration have the same starting resource unit.
20. The non-transitory computer-readable medium of claim 15 , wherein ones of the one or more PUCCH resource configurations each indicate a resource format for each of multiple candidate PUCCH resources indicated by the respective PUCCH resource configuration.