Electronic device and method for physical uplink control channel (PUCCH) resource configuration
Aspects of the disclosure provide an electronic device including a transceiver and processing circuitry and a method for wireless communication. The transceiver is configured to receive configuration information for physical uplink control channel (PUCCH) resource configuration from a network in a wireless communication system. The configuration information can indicate a first interlace that includes a first set of frequency domain physical resources. The processing circuitry is configured to determine resource allocation in a frequency domain for the PUCCH resource based at least on the first interlace. The transceiver can transmit uplink control information (UCI) on a PUCCH resource. In an example, the configuration information further indicates sub-band allocation information of at least one sub-band for the PUCCH resource, and the processing circuitry determines the resource allocation in the frequency domain for the PUCCH resource based at least on the first interlace and the sub-band allocation information.
1 . A method for wireless communication performed by a user equipment (UE), comprising:
receiving, by the UE, configuration information for physical uplink control channel (PUCCH) resource configuration from a network in a wireless communication system, the configuration information indicating a first interlace that includes a first set of frequency domain physical resources;
determining, by the UE, resource allocation in a frequency domain for a PUCCH resource based at least on the first interlace; and
transmitting, by the UE, uplink control information (UCI) on the PUCCH resource;
wherein the configuration information further indicates sub-band allocation information of at least one sub-band within a bandwidth for the PUCCH resource, and determining the resource allocation includes determining the resource allocation in the frequency domain for the PUCCH resource based at least on the first interlace and the sub-band allocation information;
wherein the configuration information further indicates a second interlace that includes a second set of frequency domain physical resources, and determining the resource allocation includes determining the resource allocation in the frequency domain for the PUCCH resource as an intersection of the first set and the second set of frequency domain physical resources and the at least one sub-band.
2 . The method according to claim 1 , wherein
the configuration information further indicates a second interlace that includes a second set of frequency domain physical resources; and
determining the resource allocation includes determining the resource allocation in the frequency domain for the PUCCH resource based on the first interlace and the second interlace.
3 . The method according to claim 2 , wherein the configuration information further indicates a PUCCH format configuration for the PUCCH resource and the PUCCH format configuration indicates the second interlace.
4 . The method according to claim 1 , wherein
the configuration information further indicates a number of one or more interlaces for the PUCCH resource, the one or more interlaces including the first interlace; and
determining the resource allocation includes determining the resource allocation in the frequency domain for the PUCCH resource based on the one or more interlaces.
5 . The method according to claim 1 , wherein determining the resource allocation comprises:
determining the resource allocation in the frequency domain for the PUCCH resource as an intersection of the first set of frequency domain physical resources and the at least one sub-band.
6 . The method according to claim 1 , wherein the bandwidth is a carrier or a bandwidth part (BWP) in a carrier.
7 . The method according to claim 1 , wherein
the configuration information further indicates sub-band allocation information of at least one sub-band within a bandwidth for the PUCCH resource; and
determining the resource allocation further includes:
determining resource allocation in the frequency domain for at least one candidate resource based at least on the first interlace and the sub-band allocation information; and
determining the resource allocation in the frequency domain for the PUCCH resource from the at least one candidate resource.
8 . The method according to claim 7 , wherein determining the resource allocation in the frequency domain for the at least one candidate resource comprises:
determining the resource allocation in the frequency domain for each of the at least one candidate resource as an intersection of the first set of frequency domain physical resources and a corresponding one of the at least one sub-band.
9 . The method according to claim 7 , wherein
the configuration information further indicates a second interlace that includes a second set of frequency domain physical resources; and
determining the resource allocation in the frequency domain for the at least one candidate resource includes determining the resource allocation in the frequency domain for each of the at least one candidate resource as an intersection of the first set and the second set of frequency domain physical resources and a corresponding one of the at least one sub-band.
10 . An electronic device for wireless communication, comprising:
a transceiver configured to:
receive, at a user equipment (UE), configuration information for physical uplink control channel (PUCCH) resource configuration from a network in a wireless communication system, the configuration information indicating a first interlace that includes a first set of frequency domain physical resources; and
transmit, from the UE, uplink control information (UCI) on a PUCCH resource; and
processing circuitry configured to determine, at the UE, resource allocation in a frequency domain for the PUCCH resource based at least on the first interlace;
wherein the configuration information further indicates sub-band allocation information of at least one sub-band within a bandwidth for the PUCCH resource, and the processing circuitry is configured to determine the resource allocation in the frequency domain for the PUCCH resource based at least on the first interlace and the sub-band allocation information;
wherein the configuration information further indicates a second interlace that includes a second set of frequency domain physical resources, and the processing circuitry is configured to determine the resource allocation in the frequency domain for the PUCCH resource as an intersection of the first set and the second set of frequency domain physical resources and the at least one sub-band.
11 . The electronic device according to claim 10 , wherein
the configuration information further indicates a second interlace that includes a second set of frequency domain physical resources; and
the processing circuitry is configured to determine the resource allocation in the frequency domain for the PUCCH resource based on the first interlace and the second interlace.
12 . The electronic device according to claim 11 , wherein
the configuration information further indicates a PUCCH format configuration for the PUCCH resource and the PUCCH format configuration indicates the second interlace.
13 . The electronic device according to claim 10 , wherein
the configuration information further indicates a number of one or more interlaces for the PUCCH resource, the one or more interlaces including the first interlace; and
the processing circuitry is configured to determine the resource allocation in the frequency domain for the PUCCH resource based on the one or more interlaces.
14 . The electronic device according to claim 10 , wherein the processing circuitry is configured to determine the resource allocation in the frequency domain for the PUCCH resource as an intersection of the first set of frequency domain physical resources and the at least one sub-band.
15 . The electronic device according to claim 10 , wherein the bandwidth is a carrier or a bandwidth part (BWP) in a carrier.
16 . The electronic device according to claim 10 , wherein
the configuration information further indicates sub-band allocation information of at least one sub-band within a bandwidth for the PUCCH resource; and
the processing circuitry is configured to:
determine resource allocation in the frequency domain for at least one candidate resource based at least on the first interlace and the sub-band allocation information; and
determine the resource allocation in the frequency domain for the PUCCH resource from the at least one candidate resource.