In this paper, we study the self-interference (SI) cancellation of full-duplex massive MIMO relay systems over Rician fading channels. The decode-and-forward protocol is adopted at the relay station where the channel state information (CSI) is assumed to be imperfect. We demonstrate that the system bottleneck, SI, can be cancelled significantly by zero-forcing (ZF) processing at the relay station which is equipped with massive receive and transmit arrays. We derive a lower bound achievable rate for ZF with statistical CSI. When the number of relay station antennas are large, we illustrate that the performance gap between the achievable rates given by statistical CSI and instantaneous CSI are negligible for different values of Rician K-factors. Since Rayleigh fading is a special case of Rician fading, the results in this paper hold for Rayleigh fading channels.


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    Title :

    Self-Interference Cancellation of Full-Duplex Massive MIMO Relay Systems over Rician Fading Channels


    Contributors:
    Wang, Siyuan (author) / Liu, Yi (author) / Zhang, Hailin (author)


    Publication date :

    2017-06-01


    Size :

    237745 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English






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