Beam signal transmission method and apparatus, and network side node and terminal

Patent metadata

Field	Value
Publication number	US-12562802-B2
Application number	US-202218552814-A
Country	US
Kind code	B2
Filing date	Mar 15, 2022
Priority date	Apr 2, 2021
Publication date	Feb 24, 2026
Grant date	Feb 24, 2026

Abstract

A beam signal transmission method, a beam signal transmission apparatus, a network-side node and a terminal are provided. The method includes: obtaining mode information about a plurality of sending beams of a first network-side node; sending transmission signals sequentially through each beam in a time division manner in one sending period according to the plurality of beams indicated by the mode information.

First claim

What is claimed is:

1 . A beam signal transmission method performed by a first network-side node, the method comprising:
obtaining mode information about a plurality of sending beams of the first network-side node; sending transmission signals sequentially through each beam in a time division manner in one sending period according to the plurality of beams indicated by the mode information, wherein the mode information comprises at least one of following:
identification information of the first network-side node;
a quantity of beams to be sent within a sending period;
a beam direction of each beam;
a beam width of each beam;
a sending duration of each beam;
a mode type of the mode information;
periodic information of the sending period;
a period offset value of sending each beam; or
a sending sequence of the plurality of beams within a sending period,
wherein the mode information comprises one mode type, and the mode type indicates a sending sequence of the plurality of beams, a quantity of sending beams to be sent in one sending period, a beam direction of each beam, a width of each beam, and a sending duration of each beam; sending the transmission signals sequentially through each beam in the time division manner in one sending period according to the plurality of beams indicated by the mode information comprises sending the transmission signals sequentially through each beam in the time division manner in one sending period, according to the sending sequence of the plurality of beams, the quantity of beams to be sent, the beam direction of each beam, the width of each beam and the sending duration of each beam corresponding to the mode type; or, wherein the mode information comprises at least two mode types, and the at least two mode types are different in at least one of the sending sequence of the sending beams, the quantity of sending beams to be sent in one sending period, the beam direction of each beam, the width of each beam, and the sending duration of each beam corresponding to the at least two mode types; sending the transmission signals sequentially through each beam in the time division manner in one sending period according to the plurality of beams indicated by the mode information comprises sending the transmission signals sequentially through the plurality of beams indicated by each mode type in one sending period in the time division manner and in a preset sequence of the at least two mode types.

2 . The beam signal transmission method according to claim 1 , wherein the mode information is obtained by at least one of following manners:
configuring by a Multicast/Broadcast Service (MBS) control entity, an operation and maintenance platform, or one of a plurality of adjacent network-side nodes; determining by negotiation between at least two network-side nodes in a plurality of adjacent network-side nodes within a preset range, wherein the first network-side node belongs to one of the plurality of adjacent network-side nodes.

3 . The beam signal transmission method according to claim 1 , wherein when the mode information comprises the at least two mode types, the transmission signals sent by the plurality of beams indicated by a same mode type are same, or are same information repeatedly sent;
the transmission signals sent by the plurality of beams indicated by different mode types are different.

4 . The beam signal transmission method according to claim 1 , wherein a beam type of each sending beam of the first network-side node is same as a beam type of a sending beam of at least one adjacent second network-side node at a corresponding time instant, and the transmission signals being sent are same.

5 . The beam signal transmission method according to claim 1 , wherein the transmission signals comprise at least one of a synchronization signal and system information.

6 . The beam signal transmission method according to claim 1 , wherein, when the mode information comprises the at least two mode types, the method further comprises:
sending at least one of following information to the terminal:
beam information of beams indicated by different mode types;
a plurality of pieces of beam pair information, wherein each piece of beam pair information comprises beam information of at least two beams, at least two beams in same beam pair information belong to different mode types, respectively, and in one sending period, at least two beams of a same beam pair are respectively sent at different time instants and cover a same area of a signal coverage range.

7 . The beam signal transmission method according to claim 1 , wherein a signal coverage range of the first network-side node is a full-angle coverage range, or a preset-angle coverage range.

8 . A network-side node, the network-side node being a first network-side node, comprising:
a memory, a transceiver, and a processor, wherein the memory is configured to store a computer program, the transceiver is configured to send and receive data under control of the processor, and the processor is configured to read the computer program in the memory and execute steps of the beam signal transmission method according to claim 1 .

9 . The network-side node according to claim 8 , wherein the mode information is obtained by at least one of following manners:
configuring by a Multicast/Broadcast Service (MBS) control entity, an operation and maintenance platform, or one of a plurality of adjacent network-side nodes; determining by negotiation between at least two network-side nodes in a plurality of adjacent network-side nodes within a preset range, wherein the first network-side node belongs to one of the plurality of adjacent network-side nodes.

10 . The network-side node according to claim 8 , wherein when the mode information comprises the at least two mode types, the transmission signals sent by the plurality of beams indicated by a same mode type are same, or are same information repeatedly sent;
the transmission signals sent by the plurality of beams indicated by different mode types are different.

11 . The network-side node according to claim 8 , wherein, when the mode information comprises the at least two mode types, the processor is configured to read the computer program in the memory and further execute following steps:
sending at least one of following information to the terminal:
beam information of beams indicated by different mode types;
a plurality of pieces of beam pair information, wherein each piece of beam pair information comprises beam information of at least two beams, at least two beams in same beam pair information belong to different mode types, respectively, and in one sending period, at least two beams of a same beam pair are respectively sent at different time instants and cover a same area of a signal coverage range.

12 . A beam signal transmission method performed by a terminal, comprising:
obtaining mode information about a plurality of sending beams of a first network-side node; and measuring transmission signals on a plurality of beams according to the plurality of beams indicated by the mode information, wherein the mode information comprises at least one of following:
identification information of the first network-side node;
a quantity of beams to be sent in a sending period;
a beam direction of each beam;
a beam width of each beam;
a sending duration of each beam;
a mode type of the mode information;
periodic information of the sending period;
a period offset value of sending each beam; or,
a sending sequence of the plurality of beams within a sending period,
wherein the mode information comprises one mode

Assignees

• Datang mobile communications equipment co ltd

Inventors

• Wang Junwei

Classifications

• H04W72/046

  the resource being in the space domain, e.g. beams · CPC title

• H04W72/0446 Primary

  Resources in time domain, e.g. slots or frames · CPC title

• H04B7/024

  Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems · CPC title

• H04B7/06952 Primary

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