Performance Analysis of Amplify-and-Forward Cooperative Truncated ARQ with Partial Relay Selection

In this paper, we analyse the performance of Amplify-and-Forward (AF) cooperative truncated Automatic Repeat reQuest (ARQ) with partial relay selection. The selected relay offers the best instantaneous signal to noise ratio (SNR) of the (source-relay) channel. We evaluate the system performance in terms of throughput and expected queueing and transmission delays when Poisson packet arriving is assumed. We derive closed-form expressions for the statistics of the end-to-end SNR over independent but not identically distributed (i.n.i.d) Rayleigh fading channels. Simulations results are provided to validate our analysis.

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