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This paper presents an achievable rate region for a 2-user Gaussian Z-interference channel with a noiseless and bidirectional digital communication link between the receivers. The region is achieved by utilizing the rate-splitting encoding technique, and the decode-and-forward and compress-and-forward strategies. In the very strong interference regime, the capacity region is achieved. In the weak...
We study a three-node Gaussian relay channel with interference which is non-causally known at the source. It is assumed that the interference affects only the relay-destination link. This model is motivated by a downlink scenario, where the source (base station), communicates with two destinations. We present several transmission strategies for this class of relay channels. Our proposed relaying schemes...
This paper discusses the impact of relaying in interference-limited networks by studying a two-user Gaussian interference channel with a relay (ICR). Various models for relay reception and transmission are possible: The relay can receive and transmit in the same band as the sources (i.e., in-band relay reception/transmission), or else relay reception, or both reception and transmission, can take place...
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