Interference measurement method and apparatus, terminal, and network side device

Patent metadata

Field	Value
Publication number	US-12598499-B2
Application number	US-202318324664-A
Country	US
Kind code	B2
Filing date	May 26, 2023
Priority date	Nov 26, 2020
Publication date	Apr 7, 2026
Grant date	Apr 7, 2026

Abstract

An interference measurement method and apparatus, a terminal, a network side device are provided. An interference measurement method includes: acquiring, by first base station in first cell, state information, where state information includes at least one of: operating parameter of target wireless auxiliary device, configuration information of reference signal of second cell, and first measurement result of second cell for wireless signal of first cell, and second cell is neighboring cell of first cell; configuring, by first base station, measurement parameter for first terminal based on state information, where measurement parameter includes measurement object for assessing interference jointly caused by second cell and target wireless auxiliary device to first terminal, and first terminal is a terminal accessing first cell; and receiving, by first base station, second measurement result reported by first terminal that is obtained by first terminal by measuring measurement object.

First claim

What is claimed is:

1 . An interference measurement method, comprising:
acquiring, by a first base station in a first cell, state information, wherein the state information comprises at least one of the following: an operating parameter of a target wireless auxiliary device, configuration information of a reference signal of a second cell, or a first measurement result, the second cell is a neighboring cell of the first cell, and the first measurement result is a measurement result obtained by measuring a reference signal of the first cell jointly by a second terminal in the second cell and the target wireless auxiliary device; configuring, by the first base station, a measurement object for a first terminal based on the state information, wherein the measurement object is used for assessing interference jointly caused by the second cell and the target wireless auxiliary device to the first terminal, and the first terminal is a terminal accessing the first cell; and receiving, by the first base station, a second measurement result reported by the first terminal, wherein the second measurement result is a result obtained by the first terminal by measuring the measurement object.

2 . The method according to claim 1 , wherein the target wireless auxiliary device comprises at least one of the following:
a first wireless auxiliary device, wherein the first wireless auxiliary device is controlled by a second base station in the second cell; a second wireless auxiliary device, wherein the second wireless auxiliary device is controlled jointly by the first base station and the second base station, and the second wireless auxiliary device provides services for the first cell and the second cell in a time division multiplexing manner; or a third wireless auxiliary device, wherein the third wireless auxiliary device is controlled jointly by the first base station and the second base station, and the third wireless auxiliary device provides services for the first cell and the second cell in a spatial multiplexing manner.

3 . The method according to claim 2 , wherein the measurement object comprises at least one of the following:
a plurality of first reference signals transmitted by the first cell, wherein different first reference signals correspond to different forwarding beams of the first wireless auxiliary device; a second reference signal of the second cell in a plurality of measurement durations, wherein the first wireless auxiliary device forwards the second reference signal in different measurement durations by using different forwarding beams; a third reference signal of the second cell, wherein the third reference signal is a reference signal of the second terminal in the second cell, and the first wireless auxiliary device forwards the third reference signal by using one or more forwarding beams; a plurality of fourth reference signals transmitted by the first cell, wherein different fourth reference signals correspond to different forwarding beams of the second wireless auxiliary device; a fifth reference signal of the second cell in a plurality of measurement durations, wherein the second wireless auxiliary device broadcasts the fifth reference signal in different measurement durations by using different forwarding beams; a sixth reference signal of the second cell, wherein the sixth reference signal is a reference signal of the second terminal in the second cell, and the second wireless auxiliary device forwards the sixth reference signal by using one or more forwarding beams; or a seventh reference signal of the second cell, wherein the seventh reference signal is a reference signal of the second cell, and the seventh reference signal is used for measuring a forwarding beam of the third wireless auxiliary device and/or training a forwarding beam of the third wireless auxiliary device.

4 . The method according to claim 3 , wherein before the configuring, by the first base station, the measurement object for the first terminal, the method further comprises:
determining, by the first base station based on the state information, whether a coverage area of the first cell is affected by the first wireless auxiliary device.

5 . The method according to claim 4 , wherein the acquiring, by a first base station in a first cell, state information comprises at least one of the following:
acquiring, by the first base station, the state information from the second base station; receiving, by the first base station, a reporting message transmitted by the first terminal, wherein the reporting message carries the operating parameter; or receiving, by the first base station, a signal transmitted by the first wireless auxiliary device, and acquiring the operating parameter based on the signal transmitted by the first wireless auxiliary device.

6 . The method according to claim 2 , wherein
an operating parameter of the first wireless auxiliary device comprises at least one of the following: an identifier of the first wireless auxiliary device, an identifier of the second cell corresponding to the first wireless auxiliary device, location information of the first wireless auxiliary device, a first correspondence between a pattern set of the first wireless auxiliary device and a forwarding beam of the first wireless auxiliary device, or a time configuration corresponding to each pattern in the pattern set of the first wireless auxiliary device; and the first measurement result comprises at least one of the following: an identifier of the first cell, or an identifier of the reference signal of the first cell.

7 . The method according to claim 4 , wherein the acquiring, by a first base station in a first cell, state information comprises:
receiving, by the first base station, the first measurement result provided by the second base station, wherein the first measurement result comprises at least one of the following: identification information of an eighth reference signal affected by the first wireless auxiliary device, a first correspondence between the eighth reference signal and a forwarding beam and/or a pattern set of the first wireless auxiliary device, or signal quality of the eighth reference signal, and the eighth reference signal comprises at least one of the following: a synchronization signal block (SSB) of the first cell, a tracking channel state information-reference signal (CSI-RS) of the first cell, or a UE-specific reference signal (RS) of the first cell.

8 . The method according to claim 7 , wherein the forwarding beam in the first correspondence comprises a forwarding beam used by the first wireless auxiliary device for broadcasting, or a forwarding beam used by the first wireless auxiliary device for serving the specified second terminal.

9 . The method according to claim 2 , wherein after the receiving, by the first base station, a second measurement result reported by the first terminal, the method further comprises: performing, by the first base station, interference coordination with the second base station based on the second measurement result, and scheduling the first terminal based on a coordination result.

10 . The method according to claim 9 , wherein the performing, by the first base station, interference coordination with the second base station based on the second measurement result, and scheduling the first terminal based on a coordination result comprises:
determining, by the first base station based on the second measurement result, whether signal quality of the first terminal is affected by the first wireless auxiliary device, and notifying the second base station of a determining result, so that the second base station can update an operating state of the first wirele

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Yang Kun
• Jiang Dajie

Classifications

• H04L5/0051

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

• H04B7/04013

  Intelligent reflective surfaces · CPC title

• H04W24/08

  Testing, {supervising or monitoring} using real traffic · CPC title

• H04W24/10 Primary

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

• H04W24/02 Primary

  Arrangements for optimising operational condition · CPC title