Granted Patent B2

US 12,750,118 · App. 18/290,195 · Granted Sep 29, 2026

Inventors: Wei Ling (Beijing, CN); Chenxi Zhu (Beijing, CN); Bingchao Liu (Beijing, CN); Yi Zhang (Beijing, CN); Lingling Xiao (Beijing, CN)

Assignee: Lenovo (Beijing) Limited

H04B7/06964H04W72/21

Abstract

Claims (46)

1 . A user equipment (UE) for wireless communication, comprising:

at least one memory; and

at least one processor coupled with the at least one memory and configured to cause the UE to:

receive first configuration information configuring a plurality of beam failure detection reference signal (BFD-RS) sets for a first set of cells, each cell of the first set of cells configured with two BFD-RS sets;

receive second configuration information configuring two physical uplink control channel scheduling request (PUCCH-SR) resources, the two PUCCH-SR resources comprising a first PUCCH-SR resource and a second PUCCH-SR resource; and

select, when at least one BFD-RS set of the plurality of BFD-RS sets is failed, a PUCCH-SR resource from the two PUCCH-SR resources for transmitting a positive link recovery request (LRR) of the first set of cells based at least in part on whether two BFD-RS sets are configured for a first cell in which the two PUCCH-SR resources are configured to be transmitted, the first cell being a primary cell (PCell) or a primary secondary cell (PSCell);

wherein, in a case that the second configuration information comprises a first SR configuration and a second SR configuration configuring the two PUCCH-SR resources, respectively, wherein the first SR configuration is associated with a first BFD-RS set and the second SR configuration is associated with a second BFD-RS set, when the first cell, which is a PCell or a PSCell, is configured with the first BFD-RS set and the second BFD-RS set, and the first BFD-RS set is failed, to select the PUCCH-SR resource the at least one processor is configured to cause the UE to select the PUCCH-SR resource configured in the first SR configuration associated with the first BFD-RS set.

2 . The UE of claim 1 , wherein a BFD-RS set is failed when a radio link quality of each reference signal (RS) in the BFD-RS set is below a configured threshold.

3 . The UE of claim 1 , wherein to select the PUCCH-SR resource, the at least one processor is configured to cause the UE to select one or more of the two PUCCH-SR resources when one or more of:

the first cell is not configured with two BFD-RS sets; or

the first cell is configured with two BFD-RS sets, and both of the two BFD-RS sets configured for the first cell are not failed.

4 . The UE of claim 1 , wherein, in a case that the second configuration information comprises one scheduling request (SR) configuration configuring that each PUCCH-SR resource of the two PUCCH-SR resources is associated with a BFD-RS set of a first BFD-RS set and a second BFD-RS set, when the first cell is configured with a first BFD-RS set and a second BFD-RS set, and the first BFD-RS set is failed while the second BFD-RS set is not failed, to select the PUCCH-SR resource the at least one processor is configured to cause the UE to select a PUCCH-SR resource associated with the second BFD-RS set.

5 . The UE of claim 1 , wherein the second BFD-RS set is not failed.

6 . A user equipment (UE) for wireless communication, comprising:

at least one memory; and

at least one processor coupled with the at least one memory and configured to cause the UE to:

receive configuration information configuring one or more physical uplink control channel scheduling request (PUCCH-SR) resources;

determine a first PUCCH-SR resource from the one or more PUCCH-SR resources configured for transmitting a positive link recovery request (LRR) of a first set of cells, each cell of the first set of cells configured with two beam failure detection reference signal (BFD-RS) sets; and

determine whether to transmit the first PUCCH-SR resource or transmit a second PUCCH-SR resource for one or more of transmitting a positive LRR of a second set of cells or transmitting a positive scheduling request (SR) when the first PUCCH-SR resource and the second PUCCH-SR resource overlap in time domain, each cell of the second set of cells configured with one BFD-RS set,

wherein, in a case that the configuration information comprises a first SR configuration and a second SR configuration configuring the two PUCCH-SR resources, respectively, wherein the first SR configuration is associated with a first BFD-RS set and the second SR configuration is associated with a second BFD-RS set, when the first cell is configured with the first BFD-RS set and the second BFD-RS set, and the first BFD-RS set is failed, to select the PUCCH-SR resource the at least one processor is configured to cause the UE to select the PUCCH-SR resource configured in the first SR configuration associated with the first BFD-RS set.

7 . The UE of claim 6 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one processor is configured to cause the UE to determine to transmit the first PUCCH-SR resource when the second PUCCH-SR resource is for transmitting the positive SR.

8 . The UE of claim 6 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one processor is configured to cause the UE to determine to transmit the second PUCCH-SR resource when the second PUCCH-SR resource is for transmitting the positive LRR of the second set of cells and the first set of cells do not include a PCell or PScell.

9 . The UE of claim 6 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one processor is configured to cause the UE to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource based on a lowest cell index of the first set of cells and the second set of cells when the second PUCCH-SR resource is for transmitting the positive LRR of the second set of cells and the first set of cells do not include a PCell or PScell.

10 . The UE of claim 6 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one processor is configured to cause the UE to determine whether to transmit the first PUCCH-SR resource or the second PUCCH-SR resource based on a lowest cell index of a first subset of the first set of cells and a second subset of the second set of cells when the second PUCCH-SR resource is for transmitting the positive LRR of the second set of cells, and the first set of cells do not include a PCell or PScell or two BFD-RS sets configured for the PCell or PScell are not failed, wherein at least one BFD-RS set configured for each cell of the first subset is failed, and the BFD-RS set configured for each cell of the second subset is failed.

11 . The UE of claim 6 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one processor is configured to cause the UE to determine to transmit the second PUCCH-SR resource when the second PUCCH-SR resource is for transmitting the positive LRR of the second set of cells and the first set of cells include a PCell or PScell and two BFD-RS sets configured for the PCell or PScell are not failed.

12 . The UE of claim 6 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one processor is configured to cause the UE to determine to transmit the first PUCCH-SR resource when the second PUCCH-SR resource is for transmitting the positive LRR of the second set of cells and the first set of cells include a PCell or PScell.

13 . The UE of claim 6 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one processor is configured to cause the UE to determine to transmit the first PUCCH-SR resource when the second PUCCH-SR resource is for transmitting the positive LRR of the second set of cells and the first set of cells include a PCell or PScell and at least one BFD-RS set configured for the PCell or PScell is failed.

14 . A processor for wireless communication, comprising:

at least one controller coupled with at least one memory and configured to cause the processor to:

receive configuration information configuring one or more physical uplink control channel scheduling request (PUCCH-SR) resources;

determine a first PUCCH-SR resource from the one or more PUCCH-SR resources configured for transmitting a positive link recovery request (LRR) of a first set of cells, each cell of the first set of cells configured with two beam failure detection reference signal (BFD-RS) sets; and

determine whether to transmit the first PUCCH-SR resource or transmit a second PUCCH-SR resource for one or more of transmitting a positive LRR of a second set of cells or transmitting a positive scheduling request (SR) when the first PUCCH-SR resource and the second PUCCH-SR resource overlap in time domain, each cell of the second set of cells configured with one BFD-RS set,

wherein, in a case that the configuration information comprises a first SR configuration and a second SR configuration configuring the two PUCCH-SR resources, respectively, wherein the first SR configuration is associated with a first BFD-RS set and the second SR configuration is associated with a second BFD-RS set, when the first cell is configured with the first BFD-RS set and the second BFD-RS set, and the first BFD-RS set is failed, to select the PUCCH-SR resource the at least one controller is configured to cause the processor to select the PUCCH-SR resource configured in the first SR configuration associated with the first BFD-RS set.

15 . The processor of claim 14 , wherein to determine whether to transmit the first PUCCH-SR resource or transmit the second PUCCH-SR resource, the at least one controller is configured to cause the processor to determine to transmit the first PUCCH-SR resource when the second PUCCH-SR resource is for transmitting the positive SR.

16 . A processor for wireless communication, comprising:

at least one controller coupled with at least one memory and configured to cause the processor to:

receive first configuration information configuring a plurality of beam failure detection reference signal (BFD-RS) sets for a first set of cells, each cell of the first set of cells configured with two BFD-RS sets;

receive second configuration information configuring two physical uplink control channel scheduling request (PUCCH-SR) resources, the two PUCCH-SR resources comprising a first PUCCH-SR resource and a second PUCCH-SR resource; and

select, when at least one BFD-RS set of the plurality of BFD-RS sets is failed, a PUCCH-SR resource from the two PUCCH-SR resources for transmitting a positive link recovery request (LRR) of the first set of cells based at least in part on whether two BFD-RS sets are configured for a first cell in which the two PUCCH-SR resources are configured to be transmitted, the first cell being a primary cell (PCell) or a primary secondary cell (PSCell),

wherein, in a case that the second configuration information comprises a first SR configuration and a second SR configuration configuring the two PUCCH-SR resources, respectively, wherein the first SR configuration is associated with a first BFD-RS set and the second SR configuration is associated with a second BFD-RS set, when the first cell, which is a PCell or a PSCell, is configured with the first BFD-RS set and the second BFD-RS set, and the first BFD-RS set is failed, to select the PUCCH-SR resource the at least one processor is configured to cause a user equipment (UE) to select the PUCCH-SR resource configured in the first SR configuration associated with the first BFD-RS set.

17 . The processor of claim 16 , wherein a BFD-RS set is failed when a radio link quality of each reference signal (RS) in the BFD-RS set is below a configured threshold.

18 . The processor of claim 16 , wherein to select the PUCCH-SR resource, the at least one controller is configured to cause the processor to select one or more of the two PUCCH-SR resources when one or more of:

the first cell is not configured with two BFD-RS sets; or

the first cell is configured with two BFD-RS sets, and both of the two BFD-RS sets configured for the first cell are not failed.

19 . The processor of claim 16 , wherein, in a case that the second configuration information comprises one scheduling request (SR) configuration configuring that each PUCCH-SR resource of the two PUCCH-SR resources is associated with a BFD-RS set of a first BFD-RS set and a second BFD-RS set, when the first cell is configured with a first BFD-RS set and a second BFD-RS set, and the first BFD-RS set is failed while the second BFD-RS set is not failed, to select the PUCCH-SR resource the at least one processor is configured to cause a user equipment (UE) to select a PUCCH-SR resource associated with the second BFD-RS set.

20 . The processor of claim 16 , wherein the second BFD-RS set is not failed.

Assignments (1)

Continuity (1)

References Cited (21)