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Title:
METHOD AND DEVICE FOR CALIBRATING ANTENNA ARRAY
Document Type and Number:
WIPO Patent Application WO/2018/023214
Kind Code:
A1
Abstract:
A method and device for calibrating an antenna array, the method comprising: calculating, when a first target antenna of an antenna array transmits a signal and a second target antenna receives the signal, calibration compensation values of transmit channels of the first target antenna and calibration compensation values of receive channels of the second target antenna, after the channels are compensated, amplitude-phase responses of the transmit channels in the first target antenna being consistent and amplitude-phase responses of the receive channels in the second target antenna being consistent; and calculating, when the second target antenna transmits a signal and the first target antenna receives the signal, the calibration compensation values of the transmit channels in the second target antenna and the calibration compensation values of the receive channels in the first target antenna, after the channels are compensated, the amplitude-phase responses of the transmit channels in the second target antenna being consistent and the amplitude-phase responses of the receive channels in the first target antenna being consistent. In the embodiments of the present invention, an antenna dummy or a radio frequency coupling device is added in an antenna array, so that the amplitude-phase responses of the transmit channels in all the antennas are consistent and the amplitude-phase responses of the receive channels are also consistent, thereby achieving the consistency calibration of the antenna array.

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Inventors:
WANG XIAOYI (CN)
DUDOROV SERGEY NIKOLAEVICH (CN)
LI PENGHUAI (CN)
XIAO YUXIANG (CN)
Application Number:
PCT/CN2016/092466
Publication Date:
February 08, 2018
Filing Date:
July 30, 2016
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04B17/12
Foreign References:
CN104954083A2015-09-30
CN103916168A2014-07-09
CN102623805A2012-08-01
US20130016003A12013-01-17
Other References:
See also references of EP 3484070A4
None
Attorney, Agent or Firm:
GUANGZHOU SCIHEAD PATENT AGENT CO., LTD. (CN)
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