# US 12,004,189 B2 · Method for transmitting and receiving physical uplink control channel in wireless communication system, and device for same

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- Number: US 12,004,189 B2
- Document ID: US12004189B2
- Status: Granted
- Kind: B2
- Application number: 17/857,605
- Filed: 2022-07-05
- Published: 2022-10-27
- Granted: 2024-06-04
- Earliest claimed: 2019-06-28
- Assignees: LG Electronics Inc.
- Applicants: LG Electronics Inc.
- Inventors: Jiwon Kang; Eunjong Lee
- Web page: https://patentgrep.com/patent/US12004189B2

## CPC

- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04B 7/06964: {Re-selection of one or more beams after beam failure}
- H04B 7/088: {using beam selection}
- H04L 5/0025: {Spatial division following the spatial signature of the channel}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04B 7/0404: the mobile station comprising multiple antennas, e.g. to provide uplink diversity
- H04B 7/0456: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04B: TRANSMISSION

## Abstract

According to one embodiment of the present application, a method for transmitting a physical uplink control channel (PUCCH) by a terminal in a wireless communication system comprises a step of receiving setting information associated with a PUCCH, and a step of transmitting the PUCCH on the basis of the setting information. The PUCCH is transmitted from a specific PUCCH resource selected from among overlapped PUCCH resources. The specific PUCCH resource is characterized by being associated with beam failure recovery (BFR).

## Claims

### Claim 1

A method of transmitting, by a user equipment, a Scheduling Request (SR) in a wireless communication system, the method comprising:
receiving configuration information related to the SR; and
transmitting the SR on a valid Physical Uplink Control Channel (PUCCH) resource among PUCCH resources based on the configuration information,
wherein the valid PUCCH resource is based on a PUCCH resource on a bandwidth part (BWP) which is active at a time of an SR transmission occasion, and
wherein, based on at least one of the PUCCH resources overlapping with a PUCCH resource configured for a beam failure recovery (BFR) of Secondary Cell, only the PUCCH resource configured for the BFR of Secondary Cell is determined as the valid PUCCH resource.

### Claim 2 (depends on 1)

The method of claim 1, wherein the PUCCH resource configured for the BFR of Secondary cell is based on a PUCCH format 0 or a PUCCH format 1.

### Claim 3 (depends on 1)

The method of claim 1, further comprising receiving downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH) related to the SR.

### Claim 4 (depends on 3)

The method of claim 3, further comprising transmitting the PUSCH based on the DCI.

### Claim 5 (depends on 4)

The method of claim 4, wherein the PUSCH is related to a medium access control-control element (MAC-CE) including information related to the BFR.

### Claim 6 (depends on 5)

The method of claim 5, wherein the MAC-CE includes information for at least one of 1) an index related to at least one SCell in which a beam failure is detected or 2) a new beam.

### Claim 7 (depends on 6)

The method of claim 6, wherein the information for the new beam includes i) information regarding whether the new beam is present and ii) an ID of a Reference Signal (RS) related to the new beam.

### Claim 8 (depends on 1)

The method of claim 1, wherein the transmission of the SR is performed based on i) a timer related to the transmission of the SR and ii) a maximum transmission number of the SR.

### Claim 9

A user equipment configured to transmit a Scheduling Request (SR) in a wireless communication system, comprising:
one or more transceivers;
one or more processors controlling the one or more transceivers; and
one or more memories operatively coupled to the one or more processors and storing instructions, when executed by the one or more processors, configure the one or more processors to perform operations comprising:
receiving configuration information related to the SR; and
transmitting the SR on a valid Physical Uplink Control Channel (PUCCH) resource among PUCCH resources based on the configuration information,
wherein the valid PUCCH resource is based on a PUCCH resource on a bandwidth part (BWP) which is active at a time of an SR transmission occasion, and
wherein, based on at least one of the PUCCH resources overlapping with a PUCCH resource configured for a beam failure recovery (BFR) of Secondary Cell, only the PUCCH resource configured for the BFR of Secondary Cell is determined as the valid PUCCH resource.

### Claim 10 (depends on 9)

The user equipment of claim 9, wherein the transmission of the SR is performed based on i) a timer related to the transmission of the SR and ii) a maximum transmission number of the SR.

### Claim 11

A method of receiving, by a base station, a Scheduling Request (SR) in a wireless communication system, the method comprising:
transmitting configuration information related to the SR; and
receiving the SR on a valid Physical Uplink Control Channel (PUCCH) resource among PUCCH resources based on the configuration information,
wherein the valid PUCCH resource is based on a PUCCH resource on a bandwidth part (BWP) which is active at a time of an SR transmission occasion, and
wherein, based on at least one of the PUCCH resources overlapping with a PUCCH resource configured for a beam failure recovery (BFR) of Secondary Cell, only the PUCCH resource configured for the BFR of Secondary Cell is determined as the valid PUCCH resource.
