Distributed Network Channel Coding for Multiple Access Relay Interference Channels

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Executive Summary

In this paper, the authors consider a Multi-Access Relay Interference Channel (MARIC), where multiple groups of source nodes communicate with multiple respective destinations, respectively, through a common multi-hop relay network. A joint Distributed Network-Channel Coding (DNCC) scheme is proposed to explore both network and channel coding gains. In DNCC, each relay performs a linear network coding and a graph code is formed at each destination. However, multiple groups of source nodes interfere with each other at each destination as each code graph contains bits sent from all other groups of source nodes.

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