# US 11,917,550 B2 · Communication methods and devices for uplink power control

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,917,550 B2
- Document ID: US11917550B2
- Status: Granted
- Kind: B2
- Application number: 16/346,266
- Filed: 2017-11-03
- Published: 2020-02-27
- Granted: 2024-02-27
- Earliest claimed: 2016-11-03
- Assignees: Nokia Technologies Oy; Alcatel Lucent
- Applicants: Alcatel Lucent; Nokia Technologies Oy
- Inventors: Pingping Wen; Huan Sun; Tao Yang; Xun Li; Yi Zhang
- Web page: https://patentgrep.com/patent/US11917550B2

## CPC

- H04W 52/146: {Uplink power control}
- H04B 7/0404: the mobile station comprising multiple antennas, e.g. to provide uplink diversity
- H04B 7/0617: {for beam forming}
- H04W 16/28: using beam steering
- H04W 52/08: Closed loop power control
- H04W 52/242: {taking into account path loss}
- H04W 52/42: in systems with time, space, frequency or polarisation diversity
- H04W 72/046: {the resource being in the space domain, e.g. beams}
- 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

Embodiments of the present disclosure provide a communication method and device for uplink power control. The method comprises receiving a plurality of sets of power control parameters from a network device, each of the plurality of sets being associated with a corresponding one of a plurality of sets of candidate beam patterns for the terminal device. The method further comprises selecting, based on a beam pattern for the terminal device, one of the plurality of sets of power control parameters for uplink transmit power control, the beam pattern for the terminal device being included in the set of candidate beam pattern that is associated with the selected set of power control parameters.

## Claims

### Claim 1

A communication method implemented at a terminal device, comprising:
receiving with the terminal device a plurality of sets of power control parameters from a network device, each of the plurality of sets being associated with a corresponding one of a plurality of sets of candidate beam patterns for the terminal device; and
selecting with the terminal device, based on a beam pattern for the terminal device, one of the plurality of sets of power control parameters for uplink transmit power control, the beam pattern for the terminal device being included in the set of candidate beam pattern that is associated with the selected set of power control parameters.

### Claim 2 (depends on 1)

The method according to claim 1, further comprising:
receiving from the network device a rule regarding the association between each of the plurality of sets of power control parameters and the corresponding one of the plurality of sets of candidate beam patterns for the terminal device.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the plurality of sets of candidate beam patterns each include one candidate beam pattern for the terminal device, and each of the plurality of sets of power control parameters is associated with the one candidate beam pattern in the corresponding one of the plurality of sets of candidate beam patterns.

### Claim 4 (depends on 1)

The method according to claim 1, wherein the plurality of sets of candidate beam patterns each include a plurality of candidate beam patterns for the terminal device, and each of the plurality of sets of power control parameters is associated with the plurality of candidate beam patterns in the corresponding one of the plurality of sets of candidate beam patterns.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the corresponding set of candidate beam patterns indicates a predetermined range of a beam width.

### Claim 6

A terminal device, comprising:
a transceiver configured to receive a plurality of sets of power control parameters from a network device, each of the plurality of sets being associated with a corresponding one of a plurality of sets of candidate beam patterns for the terminal device; and
a controller configured to select, based on a beam pattern for the terminal device, one of the plurality of sets of power control parameters for uplink transmit power control, the beam pattern of the terminal device being included in the set of candidate beam patterns that is associated with the selected set of power control parameters.