CN-122026960-A - Beam forming method, device, electronic equipment and storage medium

CN122026960ACN 122026960 ACN122026960 ACN 122026960ACN-122026960-A

Abstract

The application provides a beam forming method, a beam forming device, electronic equipment and a storage medium, relates to the field of communication, and can solve the problem of low resource utilization rate. The method comprises the steps of determining a service beam angle interval between a first type terminal and a second type terminal when a candidate of MU-MIMO scheduling comprises the first type terminal and the second type terminal, wherein the first type terminal is a terminal which can be directly covered by a beam of a base station, the second type terminal is a terminal which needs to transmit signals through RIS reflection with the base station, and controlling an antenna panel of the base station to emit a first beam and a second beam when the service beam angle interval is larger than a preset interval threshold, wherein the first beam is used for covering the first type terminal, and the second beam is used for covering the RIS. The application can realize the simultaneous coverage of the beam of the base station on the first type terminal and the second type terminal, realize space division multiplexing and improve the utilization rate of resources.

Inventors

CAO YANXIA
PAN TING
LIU QIUYAN
CHU WENQIANG
WANG YAFENG

Assignees

中国联合网络通信集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260228

Claims (10)

1. A method of beamforming, the method comprising: Determining a service beam angle interval between a first type terminal and a second type terminal under the condition that a candidate of multi-user-multi-input multi-output MU-MIMO scheduling comprises the first type terminal and the second type terminal, wherein the first type terminal is a terminal which can be directly covered by a beam of the base station, and the second type terminal is a terminal which needs to transmit signals with the base station through reconfigurable intelligent surface RIS reflection; and under the condition that the service beam angle interval is larger than a preset interval threshold, controlling an antenna panel of the base station to transmit a first beam and a second beam, wherein the first beam is used for covering the first type of terminal, and the second beam is used for covering the RIS.
2. The method of claim 1, wherein the controlling the antenna panel of the base station to transmit the first beam and the second beam comprises: determining a first analog beam forming matrix and a second analog beam forming matrix according to the beam scanning result; determining a first digital precoding matrix and a second digital precoding matrix according to the first analog beamforming matrix and the second analog beamforming matrix; The first analog beamforming matrix and the first digital precoding matrix are used for adjusting the beam, so that the base station transmits the first beam, and the second analog beamforming matrix and the second digital precoding matrix are used for adjusting the beam, so that the base station transmits the second beam.
3. The method of claim 2, wherein the determining a first digital precoding matrix and a second digital precoding matrix from the first analog beamforming matrix and the second analog beamforming matrix comprises: performing channel estimation based on the first analog beamforming matrix, and determining a first equivalent channel matrix; Determining the first digital precoding matrix by utilizing a single user-multiple input multiple output (SU-MIMO) precoding algorithm based on the first equivalent channel matrix; performing channel estimation based on the second analog beamforming matrix, and determining a second equivalent channel matrix; And determining the second digital precoding matrix by utilizing an SU-MIMO precoding algorithm based on the second equivalent channel matrix.
4. The method according to claim 1, characterized in that the first type of terminal and the second type of terminal are determined by: carrying out beam scanning on a plurality of terminals to obtain measurement results of the plurality of terminals, wherein the measurement results comprise the received power of the terminals, the signal-to-interference-plus-noise ratio SINR of the terminals or the reference signal received quality RSRQ of the terminals; For each terminal, determining that the terminal is a second type terminal in the case that the received power of the terminal or the SINR of the terminal or the RSRQ of the terminal is smaller than or equal to a first threshold value; And determining the terminal to be a first type terminal under the condition that the receiving power of the terminal or the SINR of the terminal or the RSRQ of the terminal is larger than the first threshold value.
5. The method of claim 1, wherein the preset interval threshold is determined by: Determining the preset interval threshold according to the interval between the optimal beam of the first type terminal and the optimal beam of the second type terminal, wherein the optimal beam of the first type terminal is the beam with the optimal signal quality measured by the first type terminal in the beam scanning process, the optimal beam of the second type terminal is the beam with the optimal signal quality measured by the second type terminal in the beam scanning process, or, In the case of beam scanning using a fixed beam interval, determining a product of a first preset multiple and the fixed beam interval as the preset interval threshold, wherein the first preset multiple is a positive number greater than or equal to 1.
6. The method of claim 5, wherein the determining the preset interval threshold according to the interval between the best beam of the first type of terminal and the best beam of the second type of terminal comprises: Determining a maximum beam interval between the best beam of the first type of terminal and the best beam of the second type of terminal as a first interval; and determining the product of the first interval and a second preset multiple as the preset interval threshold, wherein the second preset multiple is a positive number smaller than 1.
7. A beamforming apparatus, the apparatus comprising: A determining unit, configured to determine a service beam angle interval between a first type terminal and a second type terminal when a candidate for multi-user-multiple input multiple output MU-MIMO scheduling includes the first type terminal and the second type terminal, where the first type terminal is a terminal that can be directly covered by a beam of the base station, and the second type terminal is a terminal that needs to perform signal transmission with the base station through a reconfigurable intelligent surface RIS reflection; And the control unit is used for controlling the antenna panel of the base station to transmit a first beam and a second beam under the condition that the service beam angle interval is larger than a preset interval threshold, wherein the first beam is used for covering the first type terminal, and the second beam is used for covering the RIS.
8. An electronic device comprising a processor and a communication interface, the communication interface and the processor being coupled, the processor being operable to execute a computer program or instructions to implement the method of any of claims 1-6.
9. A computer readable storage medium having instructions stored therein, which when executed by a computer, perform the method of any of claims 1-6.
10. A computer program product comprising computer instructions which, when run on a computer, cause the computer to perform the method of any of claims 1-6.

Description

Beam forming method, device, electronic equipment and storage medium Technical Field The present application relates to the field of communications, and in particular, to a beamforming method, a beamforming device, an electronic device, and a storage medium. Background In conventional cellular network deployments, there are some coverage hole areas. In this case, signal coverage of the coverage hole area may be achieved by reflection or transmission of the reconfigurable smart surface (reconfigurable intelligent surface, RIS). At present, a base station usually uses a single-peak beam to directly point to a user to realize signal coverage of the user, or uses the single-peak beam to point to an RIS to realize signal coverage of the user through reflection or transmission of the RIS. However, this method can only serve one type of user, and has a problem of low resource utilization. Disclosure of Invention The application provides a beam forming method, a beam forming device, electronic equipment and a storage medium, which can improve the resource utilization rate. In order to achieve the above purpose, the application adopts the following technical scheme: In a first aspect, the application provides a beam forming method, which comprises the steps of determining a service beam angle interval between a first type terminal and a second type terminal when a candidate of multi-user-multi-input multi-output MU-MIMO scheduling comprises the first type terminal and the second type terminal, wherein the first type terminal is a terminal which can be directly covered by a beam of a base station, the second type terminal is a terminal which needs to transmit signals through RIS reflection of a reconfigurable intelligent surface with the base station, and controlling an antenna panel of the base station to transmit a first beam and a second beam when the service beam angle interval is larger than a preset interval threshold, wherein the first beam is used for covering the first type terminal, and the second beam is used for covering RIS. With reference to the first aspect, in one possible implementation manner, the method includes controlling an antenna panel of a base station to transmit a first beam and a second beam, and determining a first analog beam forming matrix and a second analog beam forming matrix according to a result of beam scanning, and determining a first digital precoding matrix and a second digital precoding matrix according to the first analog beam forming matrix and the second analog beam forming matrix, where the first analog beam forming matrix and the first digital precoding matrix are used for adjusting the beam so that the base station transmits the first beam, and the second analog beam forming matrix and the second digital precoding matrix are used for adjusting the beam so that the base station transmits the second beam. With reference to the first aspect, in a possible implementation manner, determining the first digital precoding matrix and the second digital precoding matrix according to the first analog beamforming matrix and the second analog beamforming matrix includes performing channel estimation based on the first analog beamforming matrix, determining a first equivalent channel matrix, determining the first digital precoding matrix by using a single user-multiple input multiple output SU-MIMO precoding algorithm based on the first equivalent channel matrix, performing channel estimation based on the second analog beamforming matrix, determining a second equivalent channel matrix, and determining the second digital precoding matrix by using a SU-MIMO precoding algorithm based on the second equivalent channel matrix. With reference to the first aspect, in one possible implementation manner, the first type of terminal and the second type of terminal are determined by performing beam scanning on a plurality of terminals to obtain measurement results of the plurality of terminals, where the measurement results include a received power of the terminal or a signal-to-interference-plus-noise ratio SINR of the terminal or a reference signal received quality RSRQ of the terminal, determining, for each terminal, that the terminal is the second type of terminal if the received power of the terminal or the SINR of the terminal or the RSRQ of the terminal is less than or equal to a first threshold, and determining, for each terminal, that the terminal is the first type of terminal if the received power of the terminal or the SINR of the terminal or the RSRQ of the terminal is greater than the first threshold. With reference to the first aspect, in a possible implementation manner, the preset interval threshold is determined by determining the preset interval threshold according to an interval between an optimal beam of the first type of terminal and an optimal beam of the second type of terminal, where the optimal beam of the first type of terminal is a beam with optimal signal quality measur