Ergodic Fading Z-Interference Channels Without State Information at Transmitters
作者： Yan Zhu , Dongning Guo
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摘要: This paper studies the capacity region of a two-user ergodic interference channel with fading, where only one user is subject to from other user, and state information (CSI) available at receivers. A layered erasure model arbitrary fading statistics studied first, whose completely determined as polygon. Each dominant rate pair can be regarded outcome tradeoff between interference-free loss its causes user. Using insights model, inner outer bounds are provided for Gaussian Z-interference channels. The gap no more than 12.8 bits per use regardless signal-to-noise ratio (SNR) statistics.
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