Node identification method and apparatus, device, and readable storage medium

Patent metadata

Field	Value
Publication number	US-12537572-B2
Application number	US-202318140608-A
Country	US
Kind code	B2
Filing date	Apr 27, 2023
Priority date	Nov 6, 2020
Publication date	Jan 27, 2026
Grant date	Jan 27, 2026

Abstract

A node identification method and apparatus, a device, and a readable storage medium are provided. The method includes: obtaining first information, where the first information is related to a signal sent by a base station; and determining, according to the first information, one or more nodes associated with the base station.

First claim

The invention claimed is:

1 . A method for node identification, performed by a terminal, comprising:
obtaining first information, wherein the first information comprises characteristic change information of a signal sent by a base station, wherein the characteristic change information comprises changing of one or more of the following: a phase, an amplitude, a polarization manner, a frequency, or an orbital angular momentum (OAM) manner; and determining, according to the first information, one or more nodes associated with the base station, wherein the one or more nodes comprise at least one of the following:
a reconfigurable intelligent surface node;
a relay node; or
an integrated access and backhaul (IAB) node.

2 . The method according to claim 1 , wherein obtaining the first information comprises:
detecting a first signal sent by the base station; and determining the first information according to the first signal, wherein the first information comprises characteristic change information of the first signal; and wherein determining, according to the first information, the one or more nodes associated with the base station comprises: determining, according to the characteristic change information of the first signal, information about the one or more nodes associated with the base station.

3 . The method according to claim 2 , wherein before detecting the first signal sent by the base station, the method further comprises:
determining whether the terminal detects a signal sent by the node; and when the terminal detects the signal sent by the node, performing determining the first information according to the first signal.

4 . The method according to claim 2 , wherein determining, according to the characteristic change information of the first signal, the information about the one or more nodes associated with the base station comprises:
determining, according to the characteristic change information of the first signal and a first association relationship, an index of the node associated with the base station, wherein the first association relationship comprises an association relationship between a characteristic change rule of the first signal and the index of the node.

5 . The method according to claim 2 , wherein one or more of the following is agreed upon in a protocol or sent by the base station to the terminal: a manner in which a characteristic of the first signal changes with a time domain resource, a changing time domain resource granularity, a changing period, changing time unit information, or a start location of the changing period.

6 . The method according to claim 2 , wherein the time domain resource granularity is every M orthogonal frequency division multiplexing symbols, wherein Mis greater than or equal to 1; or is every N slots, wherein N is greater than or equal to 1; or is every K synchronization signal block (SSB) periods, wherein K is greater than or equal to 1.

7 . The method according to claim 2 , wherein one or more of the following is agreed upon in a protocol or sent by the base station to the terminal: a manner in which a characteristic of the first signal changes with a time domain resource or a changing frequency domain resource granularity.

8 . The method according to claim 7 , wherein the frequency domain resource granularity is a subcarrier, a subcarrier group, a bandwidth part (BWP), a BWP group, a radio bearer (RB), an RB bundle, or an RB group.

9 . The method according to claim 2 , wherein the first signal comprises at least one of the following: an SSB, a channel state information reference signal (CSI-RS), a system information block 1 , a demodulation reference signal (DMRS), or a tracking reference signal (TRS).

10 . The method according to claim 1 , wherein obtaining the first information comprises:
receiving a second signal sent by the base station to a first node, wherein related information of the second signal corresponds to the first node; and determining the first information according to the second signal, wherein the first information comprises the related information of the second signal; and wherein determining, according to the first information, the one or more nodes associated with the base station comprises: determining, according to the related information of the second signal, the one or more nodes associated with the base station.

11 . The method according to claim 10 , wherein the related information of the second signal comprises at least one of the following:
a sequence format, a sequence phase, an initial sequence, a scrambling sequence, or an orthogonal cover code of a sequence.

12 . The method according to claim 10 , wherein determining, according to the related information of the second signal, the one or more nodes associated with the base station comprises:
determining, according to the related information of the second signal and a second association relationship, an index of the node associated with the base station, wherein the second association relationship comprises an association relationship between the related information of the second signal and the index of the node, the second association relationship is agreed upon in a protocol or sent by the base station to the terminal.

13 . A method for node identification, performed by a node, comprising:
changing or controlling a characteristic of a first signal sent by a base station associated with the node, wherein characteristic change information of the first signal is associated with information about the node, and the characteristic change information comprises changing of one or more of the following: a phase, an amplitude, a polarization manner, a frequency or an orbital angular momentum (OAM) manner.

14 . The method according to claim 13 , wherein one or more of the following is agreed upon in a protocol or sent by the base station to a terminal: a manner in which a characteristic of the first signal changes with a time domain resource, a changing time domain resource granularity, a changing period, changing time unit information, or a start location of the changing period,
wherein the time domain resource granularity is every M orthogonal frequency division multiplexing symbols, wherein M is greater than or equal to 1; or is every N slots, wherein N is greater than or equal to 1; or is every K SSB periods, wherein K is greater than or equal to 1.

15 . The method according to claim 13 , wherein one or more of the following is agreed upon in a protocol or sent by the base station to a terminal, a manner in which a characteristic of the first signal changes with a time domain resource or a changing frequency domain resource granularity
wherein the frequency domain resource granularity is a subcarrier, a subcarrier group, a BWP, a BWP group, an RB, an RB bundle, or an RB group.

16 . A method for node identification, performed by a base station, comprising:
sending a second signal to a first node associated with the base station, wherein related information of the second signal corresponds to the first node and comprises characteristic change information of the signal sent by a base station, wherein the characteristic change information comprises changing of one or more of the following: a phase, an amplitude, a polarization manner, a frequency, or an orbital angular momentum (OAM) manner.

17 . The method according to claim 16 , wherein the related information of the second signal comprises at least one of the following:
a sequence format, a sequence phase, an initial sequence, a scra

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Jiang Dajie
• Yang Kun
• Yuan Pu
• Qin Fei
• Sun Peng

Classifications

• 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

• H04L5/0007

  the frequencies being orthogonal, e.g. OFDM(A) or DMT · CPC title

• H04W40/246

  Connectivity information discovery · CPC title

• H04L5/0091

  Signalling for the administration of the divided path, e.g. signalling of configuration information · CPC title

• H04B7/061 Primary

  using feedback from receiving side · CPC title