Communication method, communication device, medium, and program product

Patent metadata

Field	Value
Publication number	US-2026012242-A1
Application number	US-202519325539-A
Country	US
Kind code	A1
Filing date	Sep 11, 2025
Priority date	Mar 27, 2023
Publication date	Jan 8, 2026
Grant date	—

Abstract

Embodiments of the present disclosure provide a communication method. Wherein a terminal device receives beam coverage information of a network device from the network device, where the beam coverage information is used to determine spatial coverage of a plurality of beams; the terminal device determines, from the spatial coverage of the plurality of beams, beam coverage in which the terminal device is located; and the terminal device performs radio resource management measurement based on the beam coverage.

First claim

1 . A communication method, performed by a terminal device, comprising:
receiving beam coverage information of a network device from the network device; determining spatial coverage of a plurality of beams using the beam coverage information; determining from the spatial coverage of the plurality of beams, beam coverage in which the terminal device is located; and performing radio resource management measurement based on the beam coverage.

2 . The method according to claim 1 , wherein the beam coverage information comprises at least one of the following:
a scanning sequence of the spatial coverage of the plurality of beams, a geographic region covered by the spatial coverage of the plurality of beams, a spatial filtering parameter of the spatial coverage of the plurality of beams, or shape information of the spatial coverage of the plurality of beams.

3 . The method according to claim 1 , wherein the beam coverage information comprises at least one of the following:
a beam coverage radius or a beam coverage diameter of the plurality of beams, a beam center point and/or a beam center angle of the plurality of beams, or beam coverage angle information of the plurality of beams.

4 . The method according to claim 3 , wherein the beam coverage information comprises the beam coverage angle information, and the beam coverage angle information comprises at least one of the following:
a beam coverage angle of the beam projected onto the ground, a beam coverage angle of the beam projected onto a reference plane at a predetermined height, or a beam angle or a beamwidth angle of the beam present when the beam is sent from the network device.

5 . The method according to claim 1 , wherein the terminal device further determines the beam coverage based on at least one of the following:
a position of the terminal device, a satellite ephemeris associated with the network device, or a beam that is previously determined by the terminal device and that previously covered the terminal device.

6 . The method according to claim 1 , wherein performing the radio resource management measurement comprises:
determining based on the beam coverage, a covering beam that covers the terminal device; determining at least one to-be-measured beam based on a beam scanning pattern of the network device and the covering beam; and performing the radio resource management measurement based on the at least one to-be-measured beam.

7 . The method according to claim 6 , wherein determining the at least one to-be-measured beam comprises:
receiving a beam measurement time window configuration from the network device, wherein the measurement time window configuration indicates a measurement periodicity and duration, determined by the network device, for the radio resource management measurement performed by the terminal device; and determining the at least one to-be-measured beam based on the beam scanning pattern of the network device, the covering beam, and the beam measurement time window configuration.

8 . An apparatus comprising: at least one processor and at least one memory storing instructions; wherein the instructions are configured to be executed by the at least one processor to cause the apparatus to perform operations of:
determining beam coverage information of the apparatus; determining spatial coverage of a plurality of beams using the beam coverage information; and sending the beam coverage information to a terminal device.

9 . The apparatus according to claim 8 , wherein the beam coverage information comprises at least one of the following:
a scanning sequence of the spatial coverage of the plurality of beams, a geographic region covered by the spatial coverage of the plurality of beams, a spatial filtering parameter of the spatial coverage of the plurality of beams, or shape information of the spatial coverage of the plurality of beams.

10 . The apparatus according to claim 8 , wherein the beam coverage information comprises at least one of the following:
a beam coverage radius or a beam coverage diameter of the plurality of beams, a beam center point and/or a beam center angle of the plurality of beams, or beam coverage angle information of the plurality of beams.

11 . The apparatus according to claim 10 , wherein the beam coverage information comprises the beam coverage angle information, and the beam coverage angle information comprises at least one of the following:
a beam coverage angle of the beam projected onto the ground, a beam coverage angle of the beam projected onto a reference plane at a predetermined height, or a beam angle or a beamwidth angle of the beam present when the beam is sent from the apparatus.

12 . The apparatus according to claim 8 , the operations further comprising:
determining a beam measurement time window configuration, wherein the measurement time window configuration indicates a measurement periodicity and duration for the radio resource management measurement performed by the terminal device; and sending the beam measurement time window configuration to the terminal device.

13 . The apparatus according to claim 8 , wherein the apparatus is a first network device, the beam coverage information is first beam coverage information, and the operations further comprise:
sending second beam coverage information of a second network device to the terminal device.

14 . An apparatus comprising: at least one processor and at least one memory storing instructions; wherein the instructions are configured to be executed by the at least one processor to cause the apparatus to perform operations of:
receiving beam coverage information of a network device from the network device; determining spatial coverage of a plurality of beams using the beam coverage information; determining from the spatial coverage of the plurality of beams, beam coverage in which the apparatus is located; and performing radio resource management measurement based on the beam coverage.

15 . The apparatus according to claim 14 , wherein the beam coverage information comprises at least one of the following:
a scanning sequence of the spatial coverage of the plurality of beams, a geographic region covered by the spatial coverage of the plurality of beams, a spatial filtering parameter of the spatial coverage of the plurality of beams, or shape information of the spatial coverage of the plurality of beams.

16 . The apparatus according to claim 14 , wherein the beam coverage information comprises at least one of the following:
a beam coverage radius or a beam coverage diameter of the plurality of beams, a beam center point and/or a beam center angle of the plurality of beams, or beam coverage angle information of the plurality of beams.

17 . The apparatus according to claim 16 , wherein the beam coverage information comprises the beam coverage angle information, and the beam coverage angle information comprises at least one of the following:
a beam coverage angle of the beam projected onto the ground, a beam coverage angle of the beam projected onto a reference plane at a predetermined height, or a beam angle or a beamwidth angle of the beam present when the beam is sent from the network device.

18 . The apparatus according to claim 14 , wherein the operations further comprising:
determining the beam coverage based on at least one of the following: a position of the apparatus, a satellite ephemeris associated with the network device, or a beam that is previously determined by the appar

Assignees

• Huawei Tech Co Ltd

Inventors

• Shi Meng
• Zhang Xiaoyu
• Bai Zhongjin
• Wei Jingxin
• Xue Jiantao
• Liao Shuri
• Dou Shengyue

Classifications

• H04W4/025

  using location based information parameters · CPC title

• H04W36/0058

  Transmission of hand-off measurement information, e.g. measurement reports · CPC title

• H04W36/0085

  Hand-off measurements · CPC title

• H04W36/083

  wherein at least one of the access points is a moving node · CPC title

• H04B7/06952 Primary

  Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping · CPC title