Throughput Analysis of Multiple Access Relay Channel Under Collision Model

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Executive Summary

Despite much research on the throughput of relaying networks under idealized interference models, many practical wireless networks rely on physical-layer protocols that preclude the concurrent reception of multiple transmissions. In this paper, the authors develop analytical frameworks for the uplink of a multi-source single-channel relay-aided wireless system where transmissions are scheduled to avoid collisions. They study amplify-and-forward and decode-and-forward strategies, in both time-sharing and network-coded variants, and provide mathematical models to investigate their achievable rate regions.

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