Granted Patent B2

US 12,510,619 · App. 18/158,319 · Granted Dec 30, 2025

Inventors: Hui Wang (Shanghai, CN); Tianxiang Zhou (Shanghai, CN); Chaoyun Hu (Shanghai, CN)

Assignee: Huawei Technologies Co., LTD.

G01S3/16H04B17/318H04W16/28

Abstract

Claims (64)

1 . A communication apparatus, which is a server or included in the server, wherein the communication apparatus comprises:

at least one processor; and

one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one to perform operations comprising:

receiving a first reference signal received power (RSRP) value from a first base station, wherein the first RSRP value is measured by the first base station and is of a reference signal from a first neighboring base station of the first base station; and

determining an antenna azimuth of the first base station based on an RSRP set corresponding to the first neighboring base station and the first RSRP value, wherein the RSRP set corresponding to the first neighboring base station comprises N RSRP values, the N RSRP values correspond to N antenna azimuths of the first base station, and N is a positive integer.

2 . The communication apparatus according to claim 1 , wherein the determining an antenna azimuth of the first base station based on an RSRP set corresponding to the first neighboring base station and the first RSRP value comprises:

determining a second RSRP value, wherein the second RSRP value is in the RSRP set corresponding to the first neighboring base station and has a highest matching degree with the first RSRP value; and

determining an antenna azimuth corresponding to the second RSRP value as the antenna azimuth of the first base station.

3 . The communication apparatus according to claim 2 , wherein the second RSRP value is in the RSRP set corresponding to the first neighboring base station and has a smallest difference from the first RSRP value.

4 . The communication apparatus according to claim 1 , wherein:

the one or more memories store the programming instructions for execution by the at least one processor to perform operations comprising:

receiving a third RSRP value from the first base station, wherein the third RSRP value is measured by the first base station and is of a reference signal from a second neighboring base station of the first base station; and

the determining an antenna azimuth of the first base station based on an RSRP set corresponding to the first neighboring base station and the first RSRP value comprises:

determining the antenna azimuth of the first base station based on the RSRP set corresponding to the first neighboring base station, an RSRP set corresponding to the second neighboring base station, the first RSRP value, and the third RSRP value, wherein the RSRP set corresponding to the second neighboring base station comprises K RSRP values, the K RSRP values correspond to K antenna azimuths of the first base station, and K is a positive integer.

5 . The communication apparatus according to claim 4 , wherein the determining the antenna azimuth of the first base station based on the RSRP set corresponding to the first neighboring base station, an RSRP set corresponding to the second neighboring base station, the first RSRP value, and the third RSRP value comprises:

determining a second RSRP value and a fourth RSRP value, wherein the second RSRP value is in the RSRP set corresponding to the first neighboring base station and has a highest matching degree with the first RSRP value, and the fourth RSRP value is in the RSRP set corresponding to the second neighboring base station and has a highest matching degree with the third RSRP value;

fitting an antenna azimuth corresponding to the second RSRP value and an antenna azimuth corresponding to the fourth RSRP value; and

determining the antenna azimuth of the first base station.

6 . The communication apparatus according to claim 5 , wherein:

the second RSRP value is in the RSRP set corresponding to the first neighboring base station and has a smallest difference from the first RSRP value; and

the fourth RSRP value is in the RSRP set corresponding to the second neighboring base station and has a smallest difference from the third RSRP value.

7 . The communication apparatus according to claim 5 , wherein the fitting an antenna azimuth corresponding to the second RSRP value and an antenna azimuth corresponding to the fourth RSRP value, and determining the antenna azimuth of the first base station comprises:

determining, according to a method of least squares, a first antenna azimuth that has a smallest sum of squared errors with the antenna azimuth corresponding to the second RSRP value and the antenna azimuth corresponding to the fourth RSRP value; and

determining the first antenna azimuth as the antenna azimuth of the first base station.

8 . The communication apparatus according to claim 4 , wherein the K RSRP values in the RSRP set corresponding to the second neighboring base station comprise:

RSRP values that are of reference signals received by the first base station from the second neighboring base station and that are determined by the server through simulation when antenna azimuths of the first base station are the K antenna azimuths.

9 . The communication apparatus according to claim 1 , wherein the N RSRP values in the RSRP set corresponding to the first neighboring base station comprise:

RSRP values that are of reference signals received by the first base station from the first neighboring base station and that are determined by the server through simulation when antenna azimuths of the first base station are the N antenna azimuths.

10 . The communication apparatus according to claim 1 , wherein the one or more memories store the programming instructions for execution by the at least one processor to perform operations comprising:

before receiving the first RSRP value from the first base station, sending first indication information to the first base station, wherein the first indication information indicates to the first base station to send the first RSRP value to the server.

11 . The communication apparatus according to claim 10 , wherein the first indication information further indicates configuration information of the reference signal from the first neighboring base station.

12 . A communication apparatus, which is a first base station or included in the first base station, wherein the communication apparatus comprises:

at least one processor; and

one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to perform operations comprising:

receiving, by the first base station, first indication information from a server, wherein the first indication information comprises configuration information of a reference signal from a first neighboring base station of the first base station;

measuring, by the first base station, a first reference signal received power (RSRP) value of the first neighboring base station of the first base station; and

sending, by the first base station, the first RSRP value to the server.

13 . The communication apparatus according to claim 12 , wherein the one or more memories store the programming instructions for execution by the at least one processor to perform the following operations:

obtaining a second RSRP value of a reference signal from a second neighboring base station of the first base station; and

sending the second RSRP value to the server.

14 . The communication apparatus according to claim 13 ,

wherein the first indication information indicates to the first base station to send the first RSRP value to the server.

15 . The communication apparatus according to claim 12 , wherein measuring, by the first base station, the first RSRP value of the first neighboring base station of the first base station comprises:

measuring, by the first base station, the first RSRP value of the first neighboring base station of the first base station based on the configuration information of the reference signal from the first neighboring base station of the first base station.

16 . A communication system, wherein the communication system comprises a server and a first base station, and wherein:

the first base station is configured to:

measure a first reference signal received power (RSRP) value of a first neighboring base station of the first base station; and

send the first RSRP value to the server;

the server is configured to:

receive the first RSRP value from the first base station; and

determine an antenna azimuth of the first base station based on an RSRP set corresponding to the first neighboring base station and the first RSRP value, wherein the RSRP set corresponding to the first neighboring base station comprises N RSRP values, the N RSRP values correspond to N antenna azimuths of the first base station, and N is a positive integer.

17 . The communication system according to claim 16 , wherein the determining an antenna azimuth of the first base station based on an RSRP set corresponding to the first neighboring base station and the first RSRP value comprises:

determining a second RSRP value, wherein the second RSRP value is in the RSRP set corresponding to the first neighboring base station and has a highest matching degree with the first RSRP value; and

determining an antenna azimuth corresponding to the second RSRP value as the antenna azimuth of the first base station.

18 . The communication system according to claim 17 , wherein the second RSRP value is in the RSRP set corresponding to the first neighboring base station and has a smallest difference from the first RSRP value.

19 . The communication system according to claim 16 , wherein:

the server is further configured to:

receive a third RSRP value from the first base station, wherein the third RSRP value is measured by the first base station and is of a reference signal from a second neighboring base station of the first base station; and

the determining an antenna azimuth of the first base station based on an RSRP set corresponding to the first neighboring base station and the first RSRP value comprises:

determining the antenna azimuth of the first base station based on the RSRP set corresponding to the first neighboring base station, an RSRP set corresponding to the second neighboring base station, the first RSRP value, and the third RSRP value, wherein the RSRP set corresponding to the second neighboring base station comprises K RSRP values, the K RSRP values correspond to K antenna azimuths of the first base station, and K is a positive integer.

20 . The communication system according to claim 19 , wherein the determining the antenna azimuth of the first base station based on the RSRP set corresponding to the first neighboring base station, an RSRP set corresponding to the second neighboring base station, the first RSRP value, and the third RSRP value comprises:

determining a second RSRP value and a fourth RSRP value, wherein the second RSRP value is in the RSRP set corresponding to the first neighboring base station and has a highest matching degree with the first RSRP value, and the fourth RSRP value is in the RSRP set corresponding to the second neighboring base station and has a highest matching degree with the third RSRP value;

fitting an antenna azimuth corresponding to the second RSRP value and an antenna azimuth corresponding to the fourth RSRP value; and

determining the antenna azimuth of the first base station.

Assignments (1)

Continuity (2)

References Cited (19)