The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2022
Filed:
May. 18, 2020
Wistron Neweb Corporation, Hsinchu, TW;
Chih-Min Hsu, Hsinchu, TW;
Ting-Yu Wu, Hsinchu, TW;
Wei-Shan Chang, Hsinchu, TW;
Jia-Jiuan Wu, Hsinchu, TW;
WISTRON NEWEB CORPORATION, Hsinchu, TW;
Abstract
A beam forming device, a calibration method and a calibration system using the same are provided. The beam forming device includes a processor, a memory unit, a baseband circuit, and a plurality of antenna modules. The antenna modules each includes multiple antenna elements, and multiple phase shifters and multiple of amplifiers respectively corresponding to the antenna elements. The memory unit stores a reference codebook, a plurality of calibration codebooks and instructing data, each of the plurality of calibration codebooks includes a plurality of records of calibration control data divided by a plurality of target patterns, and a plurality of predetermined phase differences that are different from each other respectively existed between the plurality of calibration codebooks and the reference codebook. The instruction data is used for instructing the beamforming device to use one of the reference codebook and the plurality of calibration codebooks in transmitting and receiving signals.