ANTENNA CALIBRATION METHOD AND SYSTEM

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United States of America Patent

APP PUB NO 20230344529A1
SERIAL NO

18343119

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments of this application disclose an antenna calibration method and system. The system includes a baseband processing unit, a remote radio unit, an antenna array, and a coupled antenna. The antenna array sends a radio frequency calibration signal sent by the baseband processing unit, or receive the radio frequency calibration signal. The remote radio unit provides a plurality of transmission channels, where the plurality of transmission channels correspond to a plurality of transmission ports. The coupled antenna receives the radio frequency calibration signal sent by the baseband processing unit, and transmit a coupled signal corresponding to the radio frequency calibration signal to the baseband processing unit, or send the radio frequency calibration signal. The baseband processing unit calibrates, based on a difference between the radio frequency calibration signal and the coupled signal, a plurality of to-be-sent baseband signals corresponding to the plurality of transmission channels.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECH CO LTDHUAWEI ADMINISTRATION BUILDING BANTIAN LONGGANG DISTRICT SHENZHEN GUANGDONG 518129 CHINA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHEN, Cong Xi'an, CN 117 373
WANG, Linlin Xi'an, CN 115 3318
XIAO, Weihong Dongguan, CN 64 173
YANG, Chaohui Xi'an, CN 28 97

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