Beam measurement method, beam measurement apparatus, and storage medium

Patent metadata

Field	Value
Publication number	US-12549989-B2
Application number	US-202118278272-A
Country	US
Kind code	B2
Filing date	Feb 22, 2021
Priority date	Feb 22, 2021
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

A beam measurement method includes: receiving first configuration information sent by a network device, wherein the first configuration information is used to configure a first reference signal resource set, and the first reference signal resource set includes a first number of reference signal resources for a beam measurement; performing the beam measurement on the first number of reference signal resources separately; inputting a first number of reference signal resource measurement results that are measured and obtained into a first model to obtain a second number of reference signal resource measurement results, wherein the second number is greater than or equal to the first number; and sending a measurement report including a third number of reference signal resource measurement results to the network device, wherein the third number of reference signal resource measurement results are a subset of the second number of reference signal resource measurement results.

First claim

The invention claimed is:

1 . A beam measurement method, performed by a terminal device, comprising:
receiving first configuration information sent by a network device, wherein the first configuration information is used to configure a first reference signal resource set, and the first reference signal resource set comprises a first number of reference signal resources for a beam measurement; performing the beam measurement on each of the first number of reference signal resources separately; inputting a first number of reference signal resource measurement results that are measured and obtained into a first model to obtain a second number of reference signal resource measurement results, wherein the second number is greater than or equal to the first number; and sending a measurement report comprising a third number of reference signal resource measurement results to the network device, wherein the third number of reference signal resource measurement results are a subset of the second number of reference signal resource measurement results.

2 . The beam measurement method according to claim 1 , wherein the third number of reference signal resource measurement results are selected from the second number of reference signal resource measurement results according to signal strengths corresponding to measurement results in a descending order.

3 . The beam measurement method according to claim 1 , further comprising:
receiving second configuration information sent by the network device, wherein the second configuration information is used to configure a second reference signal resource set, and the second reference signal resource set comprises a fourth number of reference signal resources for the beam measurement.

4 . The beam measurement method according to claim 3 , further comprising:
determining N reference signal resource sets; and sending information corresponding to the reference signal resources comprised in each of the N reference signal resource sets to the network device, wherein N is a positive integer, wherein the N reference signal resource sets are used to determine the first reference signal resource set in the first configuration information, wherein one or more reference signal resource sets with a smallest number of reference signal resources among the N reference signal resource sets comprise a fifth number of reference signal resources, wherein the fifth number meets a condition that reference signal resource measurement results of the second number obtained by inputting a fifth number of reference signal resource measurement results into the first model have a precision greater than or equal to a first precision threshold, and wherein the first reference signal resource set is a subset of at least one of the N reference signal resource sets.

5 . The beam measurement method according to claim 3 , wherein the first model is determined by:
performing the beam measurement on each of the fourth number of reference signal resources in the second reference signal resource set separately, and obtaining the first model based on a fourth number of reference signal resource measurement results that are measured and obtained.

6 . The beam measurement method according to claim 1 , wherein the first model is obtained from at least one of:
the network device; at least one cloud devices; or a terminal device different from the terminal device.

7 . The beam measurement method according to claim 4 , wherein the fifth number of reference signal resources are determined based on at least one of:
the precision of reference signal resource measurement results outputted by the first model; third configuration information sent by the network device; or a definition of a protocol.

8 . The beam measurement method according to claim 4 , wherein
the N reference signal resource sets are subsets of the second reference signal resource set; and the beam measurement method further comprises:
receiving the reference signal resources in the second reference signal resource set sent by the network device, which comprises receiving the reference signal resources in the second reference signal resource set that are periodically sent by the network device within sending periods of the first reference signal resource set; and
determining the N reference signal resource sets based on the reference signal resources.

9 . The beam measurement method according to claim 3 , wherein the fourth number is identical with the second number, and reference signal resource measurement results of the second number correspond to various reference signal resources in the second reference signal resource set, respectively.

10 . A beam measurement method, performed by a network device, comprising:
sending first configuration information, wherein the first configuration information is used to configure a first reference signal resource set, and the first reference signal resource set comprises a first number of reference signal resources for a beam measurement; and receiving a measurement report from a terminal device, wherein the measurement report comprises a third number of reference signal resource measurement results, and the third number of reference signal resource measurement results are a subset of a second number of reference signal resource measurement results; wherein the terminal device performs the beam measurement on each of the first number of reference signal resources separately; wherein the second number of reference signal resource measurement results are obtained using a model on the terminal device; and wherein the second number is greater than or equal to the first number, and the first number indicates the number of the reference signal resources in the first reference signal resource set.

11 . The beam measurement method according to claim 10 , wherein the third number of reference signal resource measurement results are selected from the second number of reference signal resource measurement results according to signal strengths corresponding to measurement results in a descending order.

12 . The beam measurement method according to claim 10 , further comprising:
sending second configuration information, wherein the second configuration information is used to configure a second reference signal resource set, and the second reference signal resource set comprises a fourth number of reference signal resources for the beam measurement.

13 . The beam measurement method according to claim 12 , further comprising:
receiving information corresponding to reference signal resources comprised in each of N reference signal resource sets from the terminal device, wherein N is a positive integer: wherein the N reference signal resource sets are used to determine the first reference signal resource set in the first configuration information, wherein one or more reference signal resource sets with a smallest number of reference signal resources among the N reference signal resource sets comprise a fifth number of reference signal resources, wherein the fifth number meets a condition that reference signal resource measurement results of the second number obtained by inputting a fifth number of reference signal resource measurement results into the first model have a precision greater than or equal to a first precision threshold, and wherein the first reference signal resource set is a subset of at least one of the N reference signal resource sets.

14 . The beam measurement method according to claim 13 , wherein the fifth number of reference signal resources are determined based on at lea

Assignees

• Beijing Xiaomi Mobile Software Co Ltd

Inventors

• Li Mingju

Classifications

• H04L5/0051

  of dedicated pilots, i.e. pilots destined for a single user or terminal · CPC title

• H04L5/0023

  Time-frequency-space · CPC title

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04W24/10 Primary

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title

• H04B7/0695 Primary

  using beam selection · CPC title