Saturation Throughput Gain in Fixed Multiplexing Radio Networks with Cooperative Retransmission Protocols

This paper demonstrates that cooperative ARQ protocols have the desirable property of increasing the saturation throughput of fixed multiplexed access radio networks, subject to non-uniform offered traffic. The throughput gain is found to be increasing as the source-to-destination channel quality deteriorates and the source-to-relay channel quality ameliorates. Asymptotically, such gain approaches that of the optimum solution, i.e., the perfect statistical multiplexing.