US 12,237,584 B2
Control device for antenna, control method for antenna, antenna system and computing control device
Xichao Fan, Beijing (CN); Zongmin Liu, Beijing (CN); Wei Li, Beijing (CN); Junwei Guo, Beijing (CN); Feng Qu, Beijing (CN); Biqi Li, Beijing (CN); and Yali Wang, Beijing (CN)
Assigned to Beijing BOE Technology Development Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/780,019
Filed by Beijing BOE Technology Development Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jun. 23, 2021, PCT No. PCT/CN2021/101894
§ 371(c)(1), (2) Date May 25, 2022,
PCT Pub. No. WO2022/266900, PCT Pub. Date Dec. 29, 2022.
Prior Publication US 2022/0416418 A1, Dec. 29, 2022
Int. Cl. H01Q 3/00 (2006.01); H01Q 3/26 (2006.01); H01Q 3/36 (2006.01); G01R 29/08 (2006.01); H01Q 3/30 (2006.01); H04B 7/185 (2006.01)
CPC H01Q 3/267 (2013.01) [H01Q 3/36 (2013.01); G01R 29/0871 (2013.01); H01Q 3/30 (2013.01); H04B 7/18513 (2013.01); H04B 7/18517 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A control device for an antenna, wherein the antenna comprises a plurality of antenna array elements and a plurality of phase shifters for calibrating phases of the plurality of antenna array elements, the control device comprises a temperature sensor, a positioning unit and a computing control unit,
the temperature sensor is configured to acquire temperature information of the antenna and output the temperature information to the computing control unit;
the positioning unit is configured to acquire position information of the antenna and output the position information to the computing control unit; and
the computing control unit is configured to receive the position information and the temperature information of the antenna, determine position information of a satellite based on the position information of the antenna or pre-stored position information of the satellite, and control the phase shifters to adjust phases of the plurality of antenna array elements according to the position information and the temperature information of the antenna, the position information of the satellite and pre-stored calibration data;
wherein the pre-stored calibration data comprises a plurality of sets of test data, and each set of test data comprises a correspondence between one set of emission source positions, the temperature of the antenna, and a phase calibration value of the antenna;
wherein controlling the phase shifters to adjust the phases of the plurality of antenna array elements according to the position information and the temperature information of the antenna, the position information of the satellite and the pre-stored calibration data comprises: determining a corresponding emission source position in the calibration data according to the position information of the antenna and the position information of the satellite; determining a corresponding set of test data according to the corresponding emission source position and the temperature information of the antenna; and controlling the phase shifters to adjust the phases of the plurality of antenna elements according to the corresponding set of test data;
wherein the satellite is located at a position C and the antenna is located at a position B2, and determining the corresponding emission source position in the calibration data according to the position information of the antenna and the position information of the satellite comprises: taking a longitudinal first straight line segment from the position C, and taking a transverse second straight line segment from the position B2, wherein the first straight line segment and the second straight line segment intersect at a position A2; determining a position A1 on a straight line CA2 with a distance from the position C being equal to a calibration plane height, wherein the calibration plane height is equal to a distance between a plane at which a plurality of emission sources are located and the position of the antenna during calibration; and taking a transverse third straight line segment from the position A1, wherein the third straight line segment and a straight line CB2 intersect at a position B1, then the position B1 is the corresponding emission source position in the calibration data.