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DIGITAL INTERFERENCE CANCELLATION APPARATUS AND METHOD FOR WIRELESS FULL DUPLEX SYSTEM AND TRANSCEIVER
DIGITAL INTERFERENCE CANCELLATION APPARATUS AND METHOD FOR WIRELESS FULL DUPLEX SYSTEM AND TRANSCEIVER
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机译:无线全双工系统和收发器的数字干扰消除装置及方法
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摘要
The present invention discloses a digital interference cancellation apparatus, including: a first interference cancellation module, configured to receive a digital transmission signal output by a transceiver as a digital baseband reference signal, reconstruct a first self-interference signal by using the digital baseband reference signal, and subtract the first self-interference signal from a digital receiving signal received from the transceiver to obtain a digital receiving signal after a first stage of interference cancellation; and a second interference cancellation module, configured to receive the digital transmission signal output by the transceiver as the digital baseband reference signal, reconstruct a second self-interference signal by using the digital baseband reference signal, and subtract the second self-interference signal from the digital receiving signal after the first stage of interference cancellation to obtain a digital receiving signal after a second stage of interference cancellation. The embodiments of the present invention further disclose a digital interference cancellation method, a wireless full duplex system and a transceiver. By adopting the embodiments of the present invention, self-interference signals in a digital receiving signal can be effectively eliminated in a complex communication environment.
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