Title:
METHOD AND APPARATUS FOR ANTENNA CALIBRATION
Document Type and Number:
WIPO Patent Application WO/2024/044888
Kind Code:
A1
Abstract:
Embodiments of the present disclosure provide method and apparatus for antenna calibration. A method performed by a wireless device comprises transmitting an antenna calibration (AC) signal in at least one antenna of an advanced antenna system (AAS). The method further comprises receiving the AC signal from the AAS via mutual coupling. The method further comprises identifying at least one interference signal in the received AC signal in a beam space. The method further comprises suppressing the at least one interference signal in the received AC signal in the beam space. The method further comprises calibrating the AAS based on the received AC signal after interference suppression.
Inventors:
ZHANG HAO (CN)
FENG ANG (SE)
BRAUN CHRISTIAN (SE)
HU XIAOHUI (CN)
MA RUIFANG (CN)
WANG YUEQIAN (CN)
FENG ANG (SE)
BRAUN CHRISTIAN (SE)
HU XIAOHUI (CN)
MA RUIFANG (CN)
WANG YUEQIAN (CN)
Application Number:
PCT/CN2022/115509
Publication Date:
March 07, 2024
Filing Date:
August 29, 2022
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
ZHANG HAO (CN)
ZHANG HAO (CN)
International Classes:
H04L25/02
Foreign References:
| US20210021446A1 | 2021-01-21 | |||
| US20210384930A1 | 2021-12-09 | |||
| CN1564494A | 2005-01-12 | |||
| CN101060354A | 2007-10-24 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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