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1. WO2020112861 - MAPPAGE DE RESSOURCES DE FRÉQUENCE POUR CANAL PHYSIQUE DE CONTRÔLE DE LIAISON MONTANTE/ACCUSÉ DE RÉCEPTION (PUCCH/ACK) ET LIAISON MONTANTE AUTONOME (AUL) DANS UNE NOUVELLE RADIO SANS LICENCE (NR-U)

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[ EN ]

WHAT IS CLAIMED IS:

1. A method of wireless communication, comprising:

identifying, by a first wireless communication device, a first configuration from a plurality of configurations for mapping an uplink resource indicator to resources in a plurality of subbands; communicating, by the first wireless communication device with a second wireless communication device, a subband priority configuration;

communicating, by the first wireless communication device with the second wireless communication device, the uplink resource indicator; and

communicating, by the first wireless communication device with the second wireless communication device, an uplink communication signal using a first resource of the resources based on the uplink resource indicator, the subband priority configuration, and the first configuration.

2. The method of claim 1, wherein the uplink resource indicator is an acknowledgement resource indicator (ARI), and wherein the communicating the uplink communication signal includes:

communicating, by the first wireless communication device with the second wireless communication device, an acknowledgement/not-acknowledgement (ACK/NACK) feedback using the first resource.

3. The method of claim 1, wherein the communicating the uplink communication signal includes:

transmitting, by the first wireless communication device to the second wireless

communication device, the uplink communication signal in a first subband of the plurality of subbands.

4. The method of claim 1, further comprising:

communicating, by the first wireless communication device with the second wireless communication device, a message indicating a rule to identify the first configuration from the plurality of configurations based on whether the uplink communication signal is to be transmitted within a transmission opportunity (TXOP) of the second wireless communication device or outside a TXOP of the second wireless communication device.

5. The method of claim 1, further comprising:

communicating, by the first wireless communication device with the second wireless communication device, a message indicating the first configuration.

6. The method of claim 1, wherein the first configuration indicates that the uplink resource indicator includes a set of bits identifying a resource in a subset of the resources in the plurality of subbands, and wherein the first resource corresponds to the identified resource.

7. The method of claim 1, wherein the first configuration further indicates that the uplink resource indicator includes a set of bits identifying a resource within a subband of the plurality of subbands and that the identified resource is repeated in each subband of the plurality of subbands, and wherein the first resource corresponds to the identified resource in a first subband of the plurality of subbands.

8. The method of claim 1, wherein the first configuration indicates that the uplink resource indicator includes:

a first set of bits identifying at least a first subband and a second subband of the plurality of subbands; and

a second set of bits identifying a resource in the first subband and a resource in the second subband, and

wherein the first resource corresponds to the identified resource in the first subband.

9. The method of claim 1, further comprising:

communicating, by the first wireless communication device with the second wireless communication device, a message indicating at least a first subband and a second subband of the plurality of subbands associated with the first configuration,

wherein the first configuration indicates that the uplink resource indicator includes a set of bits identifying a resource within the first subband and repeated in the second subband, and

wherein the first resource corresponds to the identified resource in the first subband.

10. The method of claim 1, wherein the communicating the uplink resource indicator includes: communicating, by the first wireless communication device with the second wireless communication device, a downlink control information (DCI) message including the uplink resource indicator.

11. The method of claim 1, wherein the communicating the uplink communication signal includes:

transmitting, by the first wireless communication device to the second wireless

communication device, the uplink communication signal using the first resource in a first subband of the plurality of subbands based on a listen-before- talk (LBT) in the plurality of subbands.

12. The method of claim 11, further comprising:

monitoring, by the first wireless communication device, for a subband acquisition indication from the second wireless communication device in the plurality of subbands; and

determining, by the first wireless communication device, whether to perform the LBT in a category 2 LBT mode or a category 4 LBT mode based on whether a subband acquisition indication message is received from the second wireless communication device.

13. The method of claim 11, wherein the uplink resource indicator indicates at least the first resource in the first subband and a second resource in a second subband of the plurality of subbands based on the first configuration, and wherein the transmitting the uplink communication signal in the first subband is further based on a priority order of the first subband and the second subband.

14. The method of claim 13, further comprising:

monitoring, by the first wireless communication device, for a subband acquisition indication from the second wireless communication device in the plurality of subbands,

wherein the priority order is based on at least one of the subband priority configuration or a subband acquisition indication status in each subband of the plurality of subbands determined from the monitoring.

15. The method of claim 1, wherein the first wireless communication device and the second wireless communication device are located within a cell, and wherein the subband priority configuration is based on a cell index of the cell.

16. An apparatus comprising:

means for identifying a first configuration from a plurality of configurations for mapping an uplink resource indicator to resources in a plurality of subbands;

means for communicating, with a wireless communication device, a subband priority configuration;

means for communicating, with the wireless communication device, the uplink resource indicator; and

means for communicating, with the wireless communication device, an uplink

communication signal using a first resource of the resources based on the uplink resource indicator, the subband priority configuration, and the first configuration.

17. The apparatus of claim 16, wherein the uplink resource indicator is an acknowledgement resource indicator (ARI), and wherein the means for communicating the uplink communication signal is configured to:

communicate, with the wireless communication device, an acknowledgement/not-acknowledgement (ACK/NACK) feedback using the first resource.

18. The apparatus of claim 16, wherein the means for communicating the uplink communication signal is configured to:

transmit, to the wireless communication device, the uplink communication signal in a first subband of the plurality of subbands.

19. The apparatus of claim 16, further comprising:

means for communicating, with the wireless communication device, a message indicating a rule for identifying the first configuration from the plurality of configurations based on whether the uplink communication signal is to be transmitted within a transmission opportunity (TXOP) of the wireless communication device or outside a TXOP of the wireless communication device.

20. The apparatus of claim 16, further comprising:

means for communicating, with the wireless communication device, a message indicating the first configuration.

21. The apparatus of claim 16, wherein the first configuration further indicates that the uplink resource indicator includes a set of bits identifying a resource within a subband of the plurality of subbands and that the identified resource is repeated in each subband of the plurality of subbands, and wherein the first resource corresponds to the identified resource in a first subband of the plurality of subbands.

22. The apparatus of claim 16, wherein the first configuration indicates that the uplink resource indicator includes:

a first set of bits identifying at least a first subband and a second subband of the plurality of subbands; and

a second set of bits identifying a resource in the first subband and a resource in the second subband, and

wherein the first resource corresponds to the identified resource in the first subband.

23. The apparatus of claim 16, further comprising:

means for communicating, with the wireless communication device, a message indicating at least a first subband and a second subband of the plurality of subbands associated with the first configuration,

wherein the first configuration indicates that the uplink resource indicator includes a set of bits identifying a resource within the first subband and repeated in the second subband, and

wherein the first resource corresponds to the identified resource in the first subband.

24. A computer-readable medium having program code recorded thereon, the program code comprising:

code for causing a first wireless communication device to identify a first configuration from a plurality of configurations for mapping an uplink resource indicator to resources in a plurality of subbands;

code for causing the first wireless communication device to communicate, with a second wireless communication device, a subband priority configuration;

code for causing the first wireless communication device to communicate, with the second wireless communication device, the uplink resource indicator; and

code for causing the first wireless communication device to communicate, with the second wireless communication device, an uplink communication signal using a first resource of the resources based on the uplink resource indicator, the subband priority configuration, and the first configuration.

25. The computer-readable medium of claim 24, wherein the uplink resource indicator is an acknowledgement resource indicator (ARI), and wherein the code for causing the first wireless communication device to communicate the uplink communication signal is further configured to:

communicate, with the second wireless communication device, an acknowledgement/not-acknowledgement (ACK/NACK) feedback using the first resource.

26. The computer-readable medium of claim 24, wherein the code for causing the first wireless communication device to communicate the uplink communication signal is further configured to: transmitting, to the second wireless communication device, the uplink communication signal in a first subband of the plurality of subbands.

27. The computer-readable medium of claim 24, further comprising:

code for causing the first wireless communication device to communicate, with the second wireless communication device, a message indicating a rule to identify the first configuration from the plurality of configurations based on whether the uplink communication signal is to be transmitted within a transmission opportunity (TXOP) of the second wireless communication device or outside a TXOP of the second wireless communication device.

28. The computer-readable medium of claim 24, wherein the first configuration further indicates that the uplink resource indicator includes a set of bits identifying a resource within a subband of the plurality of subbands and that the identified resource is repeated in each subband of the plurality of subbands, and wherein the first resource corresponds to the identified resource in a first subband of the plurality of subbands.

29. The computer-readable medium of claim 24, wherein the first configuration indicates that the uplink resource indicator includes:

a first set of bits identifying at least a first subband and a second subband of the plurality of subbands; and

a second set of bits identifying a resource in the first subband and a resource in the second subband, and

wherein the first resource corresponds to the identified resource in the first subband.

30. The computer-readable medium of claim 24, further comprising:

code for causing the first wireless communication device to communicate, with the second wireless communication device, a message indicating at least a first subband and a second subband of the plurality of subbands associated with the first configuration,

wherein the first configuration indicates that the uplink resource indicator includes a set of bits identifying a resource within the first subband and repeated in the second subband, and

wherein the first resource corresponds to the identified resource in the first subband.