Co-channel interference cancellation using single radio frequency and baseband chain

Authors:
Sang Wu Kim;Young Jin Chun;Sangmun Kim
Affiliations:
Department of Electrical and Computer Engineering, Iowa State University, Ames, Iowa;Department of Electrical and Computer Engineering, Iowa State University, Ames, Iowa;Dept. of Mathematics, Yonsei University, Seoul, Korea
Venue:
IEEE Transactions on Communications
Year:
2010

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Abstract

We present a new architecture for multi-antenna receivers that cancels the co-channel interference (CCI) using a single radio frequency (RF) and baseband (BB) chain, while still achieving nearly the same bit error rate that can be provided by the conventional receiver architecture requiring multiple RF/BB chains. The proposed receiver architecture enables multiple transmitter-receiver pairs to simultaneously communicate in the same frequency band without additional bandwidth, thereby increasing the spectral efficiency or capacity, with significantly reduced receiver complexity and power consumption.