CN-122028057-A - Antenna azimuth angle adjusting method based on 5G user distribution and related equipment

CN122028057ACN 122028057 ACN122028057 ACN 122028057ACN-122028057-A

Abstract

The embodiment of the application discloses an antenna azimuth angle adjusting method based on 5G user distribution and related equipment, which are used for solving the problem of network coverage caused by mismatching of an antenna azimuth angle and a main distribution area of a user. The method comprises the steps of obtaining measurement report data of a target cell, wherein the measurement report data at least comprises horizontal arrival angle information of 5G user sampling points, determining actual distribution angles of the 5G user sampling points according to the horizontal arrival angle information and antenna azimuth angles of the target cell, carrying out ascending order on the 5G user sampling points according to the actual distribution angles, determining a suggested adjustment azimuth angle of the antenna azimuth angles by adopting a median algorithm based on an ordering result, and adjusting the antenna azimuth angles according to the suggested adjustment azimuth angles.

Inventors

QIN GANG
MA XIAOMING
TIAN GUIBIN
ZHANG YOUGANG
Xiang Zhongqiu
XIN LIANXIN
WANG LEI
ZHANG JIE
HAN YUNBO
GAO FENG
WANG DONG
MA JING
WANG HAO
ZHAO JUNKAI
ZHANG BAOGUO
LIU XU

Assignees

中国移动通信集团设计院有限公司
中国移动通信集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260129

Claims (14)

1. An antenna azimuth angle adjusting method based on 5G user distribution is characterized by comprising the following steps: acquiring measurement report data of a target cell, wherein the measurement report data at least comprises horizontal arrival angle information of a 5G user sampling point; Determining the actual distribution angle of the 5G user sampling points according to the horizontal arrival angle information and the antenna azimuth angle of the target cell; Ascending sort is conducted on the 5G user sampling points according to the actual distribution angles, and a median algorithm is adopted to determine a suggested adjustment azimuth angle of the antenna azimuth angle based on the sorting result; And adjusting the azimuth angle of the antenna according to the suggested adjustment azimuth angle.
2. The method of claim 1, wherein the determining the actual distribution angle of the 5G user sample points based on the horizontal angle of arrival information and the antenna azimuth of the target cell comprises: Calculating the horizontal arrival angle of the antenna according to the horizontal arrival angle information and the angle resolution of the horizontal arrival angle information; And adding the antenna horizontal arrival angle and the antenna azimuth angle to obtain the actual distribution angle.
3. The method of claim 1, wherein the ascending order of the 5G user samples according to the actual distribution angle, and determining the suggested adjustment azimuth for the antenna azimuth using a median algorithm based on the ordering result, comprises: Ascending sort is carried out on the 5G user sampling points according to the corresponding actual distribution angles, and a sorting result of the 5G user sampling points is obtained; Determining a target actual distribution angle corresponding to a 5G user sampling point positioned in the median of the sequencing result through the median algorithm; Determining the target actual distribution angle as the proposed adjustment azimuth of the antenna azimuth.
4. The method of claim 1, wherein prior to determining the actual distribution angle of the 5G user sample points based on the horizontal angle of arrival information and the antenna azimuth of the target cell, the method further comprises: Determining 4G user sampling point data of a 4G cell co-located with the target cell, wherein the 4G user sampling point data at least comprises geographic position information of the 4G user sampling point and Reference Signal Received Power (RSRP); Mapping the geographic position information of the 4G user sampling points and the geographic position information of the 5G user sampling points to a unified geographic grid system, and carrying out association combination on the 4G user sampling points and the 5G user sampling points which have the same grid number after mapping; For each first geographic grid in the unified geographic grid system, calculating a difference value between the RSRP of the 4G user sampling point and the RSRP of the 5G user sampling point in the first geographic grid respectively to obtain an RSRP difference value corresponding to the first geographic grid; Correcting the antenna azimuth according to the RSRP difference value corresponding to all the first geographic grids; The first geographic grid is a geographic grid comprising sampling point data of the 4G user sampling point and sampling point data of the 5G user sampling point at the same time.
5. The method of claim 4, wherein said correcting the antenna azimuth based on RSRP differences corresponding to all of the first geogrids comprises: identifying a second geographic grid with the RSRP difference value larger than a preset difference threshold value from all the first geographic grids according to the RSRP difference values corresponding to all the first geographic grids; determining a direction vector of the target cell and a grid center of the second geographic grid; selecting the intermediate value of the direction vector as a calibration value of the antenna azimuth through a median algorithm; correcting the antenna azimuth according to the calibration value of the antenna azimuth.
6. The method of claim 1, wherein prior to said adjusting said antenna azimuth according to said suggested azimuth, said method further comprises determining if said antenna azimuth is abnormal; Wherein, judge whether the antenna azimuth is unusual, include: According to the 5G user sampling points and the antenna azimuth angle, determining the first sampling point number of the 5G user sampling points in the antenna main lobe direction and the second sampling point number of the 5G user sampling points in the back direction; Calculating the front-to-back ratio of sampling points between the first sampling point number and the second sampling point number; And if the front-to-back ratio of the sampling point is smaller than a preset azimuth angle abnormality judgment threshold, determining that the azimuth angle of the antenna is abnormal.
7. The method of claim 6, wherein determining a first number of 5G user samples for an antenna main lobe direction and a second number of 5G user samples for a back direction based on the 5G user samples and the antenna azimuth comprises: rasterizing the 5G user sampling points to obtain a plurality of geographic grids corresponding to the 5G user sampling points; for each geographic grid, respectively determining a grid center point of the geographic grid and a direction vector of the target cell, and determining a direction angle of the direction vector relative to the north direction; Determining an antenna main lobe angle range according to a direction angle of the direction vector relative to the north direction and the antenna azimuth angle, and counting the number of sampling points of 5G user sampling points in the antenna main lobe angle range as the first sampling point number; and determining the number of sampling points of other 5G user sampling points outside the main lobe angle range of the antenna as the second number of sampling points.
8. The method of claim 6 or 7, wherein if the antenna azimuth anomaly is determined, the method further comprises: determining 5G user sampling points of which the reference signal receiving power is in a preset range in the main lobe direction and the backward direction of the antenna, wherein the 5G user sampling points are respectively used as a main lobe to-be-analyzed set and a backward to-be-analyzed set; Determining a first reference signal receiving power average value and a first time advance of 5G user sampling points in the main lobe to-be-analyzed set; Determining a second time advance of the 5G user sampling points in the back-to-be-analyzed set, and determining target 5G user sampling points with the second time advance being the same as the first time advance from the back-to-be-analyzed set according to the second time advance; Calculating a second reference signal receiving power average value of the target 5G user sampling point; And if the difference value between the first reference signal receiving power average value and the second reference signal receiving power average value is smaller than a preset antenna performance attenuation judging threshold value, determining that the antenna of the target cell is abnormal.
9. The method of claim 1, wherein the measurement report data comprises a time advance TA of the 5G user sample point and a reference signal received power RSRP, the method further comprising: Acquiring TA and RSRP of the 5G user sampling point based on the measurement report data; Dividing the 5G user sampling points into a plurality of TA groups according to the TA, wherein the TAs of the 5G user sampling points positioned in the same TA group are the same; Classifying the 5G user sampling points to corresponding angle values or angle intervals according to the actual distribution angles of the 5G user sampling points in each TA group, and calculating 5G RSRP representative values corresponding to the 5G user sampling points in each angle value or angle interval; acquiring a 4G sampling point RSRP representative value of a 4G cell co-located with the target cell in a corresponding TA group and a corresponding angle value or angle interval; and calculating difference information between the 5G RSRP representative value and the 4G sampling point RSRP representative value for each TA group, each angle value or angle interval to generate a difference relation table corresponding to different angles under the same TA.
10. The method of claim 9, wherein the method further comprises: determining an angular offset of the proposed adjustment azimuth relative to the antenna azimuth; performing angle mapping on the difference relation table based on the angle offset to determine a difference compensation amount corresponding to the angle offset; and carrying out compensation processing on the RSRP of the 5G user sampling points according to the difference compensation quantity so as to obtain a predicted RSRP after the azimuth angle of the antenna is adjusted.
11. The antenna azimuth angle adjusting device based on 5G user distribution is characterized by comprising an acquisition module, a determination module, a processing module and an adjusting module, wherein: the acquisition module is used for acquiring measurement report data of the target cell, wherein the measurement report data at least comprises horizontal arrival angle information of a 5G user sampling point; The determining module is used for determining the actual distribution angle of the 5G user sampling points according to the horizontal arrival angle information and the antenna azimuth angle of the target cell; the processing module is used for carrying out ascending order sequencing on the 5G user sampling points according to the actual distribution angle, and determining a suggested adjustment azimuth angle of the antenna azimuth angle by adopting a median algorithm based on a sequencing result; and the adjusting module is used for adjusting the azimuth angle of the antenna according to the suggested azimuth angle.
12. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor performs the steps of the 5G user distribution based antenna azimuth adjustment method according to any one of claims 1 to 10.
13. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the antenna azimuth adjustment method based on 5G user distribution according to any one of claims 1 to 10.
14. A computer program product comprising a computer program which, when executed by a processor, implements the 5G user distribution based antenna azimuth adjustment method of any one of claims 1 to 10.

Description

Antenna azimuth angle adjusting method based on 5G user distribution and related equipment Technical Field The present application relates to the field of wireless communications technologies, and in particular, to a method for adjusting an azimuth angle of an antenna based on 5G user distribution and related devices. Background In 5G network deployment, the antenna azimuth/electronic azimuth of the base station antenna of the serving cell determines the pointing direction of its main beam, directly affecting the coverage area of the serving cell and the quality of service for the user. The antenna azimuth angle/electronic azimuth angle refers to an included angle between the main lobe direction of the antenna and the north direction. In practical application, due to factors such as planning deviation, parameter input errors or environmental change, the problem that the antenna azimuth angle is not matched with a main distribution area of a user due to unreasonable antenna azimuth angle setting may occur. In other words, the problem that the main lobe direction of the antenna fails to cover the main distribution area of the user easily occurs, which eventually results in poor network coverage and affects the perception of the user. Based on this, how to solve the network coverage problem caused by the mismatch between the antenna azimuth/electronic azimuth and the main distribution area of the user is a technical problem that needs to be solved by those skilled in the art. Disclosure of Invention The embodiment of the application provides an antenna azimuth angle adjusting method based on 5G user distribution, which is used for solving the problem of network coverage caused by mismatching of an antenna azimuth angle and a main distribution area of a user in the prior art. The embodiment of the application also provides an antenna azimuth angle adjusting device based on 5G user distribution, electronic equipment, a computer readable storage medium and a computer program product. The embodiment of the application adopts the following technical scheme: In a first aspect, an embodiment of the present application provides a method for adjusting an azimuth angle of an antenna based on 5G user distribution, including: acquiring measurement report data of a target cell, wherein the measurement report data at least comprises horizontal arrival angle information of a 5G user sampling point; determining the actual distribution angle of the 5G user sampling points according to the horizontal arrival angle information and the antenna azimuth angle of the target cell; Ascending order sorting is carried out on the 5G user sampling points according to the actual distribution angles, and a median algorithm is adopted to determine a suggested adjustment azimuth angle of the antenna azimuth angle based on the sorting result; And adjusting the azimuth angle of the antenna according to the suggested adjustment azimuth angle. In a second aspect, an embodiment of the present application provides an antenna azimuth adjusting device based on 5G user distribution, including an acquisition module, a determination module, a processing module, and an adjustment module, where: the acquisition module is used for acquiring measurement report data of the target cell, wherein the measurement report data at least comprises horizontal arrival angle information of a 5G user sampling point; The determining module is used for determining the actual distribution angle of the 5G user sampling points according to the horizontal arrival angle information and the antenna azimuth angle of the target cell; The processing module is used for carrying out ascending order on the 5G user sampling points according to the actual distribution angles, and determining a suggested adjustment azimuth angle of the antenna azimuth angle by adopting a median algorithm based on the ordering result; and the adjusting module is used for adjusting the azimuth angle of the antenna according to the suggested azimuth angle. In a third aspect, an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the antenna azimuth adjustment method based on 5G user distribution as described above when executed by the processor. In a fourth aspect, embodiments of the present application provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the antenna azimuth adjustment method based on 5G user distribution as described above. In a fifth aspect, embodiments of the present application provide a computer program product comprising a computer program which, when executed by a processor, implements an antenna azimuth adjustment method based on 5G user distribution as described above. The above at least one technical scheme adopted by