# US 12,015,470 B2 · Timing measurement method and related device

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- Number: US 12,015,470 B2
- Document ID: US12015470B2
- Status: Granted
- Kind: B2
- Application number: 17/330,749
- Filed: 2021-05-26
- Published: 2021-09-09
- Granted: 2024-06-18
- Earliest claimed: 2018-11-27
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Fan Zhang; Yuzhou Wang
- Web page: https://patentgrep.com/patent/US12015470B2

## CPC

- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04B 7/088: {using beam selection}
- H04B 17/328: {Reference signal received power [RSRP]; Reference signal received quality [RSRQ]}
- H04W 24/08: Testing, {supervising or monitoring} using real traffic
- H04B 17/364: Delay profiles
- H04W 56/00: Synchronisation arrangements
- 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

Example timing measurement methods and apparatus are described. One example method includes that user equipment receives M beams from a base station, where M is a positive integer. The user equipment performs timing measurement on N beams in the M beams, where the N beams are selected from the M beams based on reference signal received powers (RSRPs) of the M beams, and N is a positive integer less than or equal to M.

## Claims

### Claim 1

A timing measurement method, wherein the method comprises:
receiving, by user equipment, M beams from a base station, wherein M is a positive integer;
performing, by the user equipment, timing measurement on N beams in the M beams, wherein the N beams are selected from the M beams based on reference signal received powers (RSRPs) of the M beams, and wherein N is a positive integer less than or equal to M; and
determining, by the user equipment, a timing position for a received signal based on a weight of power delay profiles of the N beams, wherein the power delay profiles are obtained through timing measurement.

### Claim 2 (depends on 1)

The method according to claim 1, wherein that the N beams are selected from the M beams based on reference signal received powers (RSRPs) of the M beams comprises:
selecting, by the user equipment, a beam with a largest RSRP from the M beams as an optimal beam;
selecting, by the user equipment from beams other than the optimal beam in the M beams, a target beam whose RSRP difference from the optimal beam is not less than a preset threshold; and
wherein the N beams comprise the optimal beam and the target beam.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the determining, by the user equipment, the timing position for the received signal based on the weight of the power delay profiles comprises:
determining, by the user equipment based on the weight of the power delay profiles, an earliest time point at which the received signal arrives at the user equipment; and
using, by the user equipment, the earliest time point as the timing position.

### Claim 4

A device, comprising:
at least one processor; and
one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to:
receive M beams from a base station, wherein M is a positive integer;
perform timing measurement on N beams in the M beams, wherein the N beams are selected from the M beams based on reference signal received powers (RSRPs) of the M beams, and wherein N is a positive integer less than or equal to M; and
determine a timing position for a received signal based on a weight of power delay profiles of the N beams, wherein the power delay profiles are obtained through timing measurement.

### Claim 5 (depends on 4)

The device according to claim 4, wherein the one or more memories store the programming instructions for execution by the at least one processor further to:
select a beam with a largest RSRP from the M beams as an optimal beam; and
select, from beams other than the optimal beam in the M beams, a target beam whose RSRP difference from the optimal beam is not less than a preset threshold; and
wherein the N beams comprise the optimal beam and the target beam.

### Claim 6 (depends on 4)

The device according to claim 4, wherein determining the timing position for the received signal based on the weight of the power delay profiles comprises:
determining, based on the weight of the power delay profiles, an earliest time point at which the received signal arrives at the device; and
using the earliest time point as the timing position.