Adaptive hybrid ARQ for mode switching receiver in wireless cellular networks

In this paper, an adaptive error control (AEC) scheme is developed for a switched–and–stay combiner (SSC) of a dual–branch selection diversity receiver. It relies on a type–I hybrid combination of selective repeat SR–ARQ and BCH coding at the data link layer. The model is then called adaptive error control based switched–and–stay combiner (AEC–SSC) in mobile cellular networks. The aim is to provide maximal achievable throughput when AEC–SSC is employed in Rayleigh flat–fading channel. The results show that significant redundancy coding has a reasonable effect on the overall throughput performance. In contrary, the adaptive channel coding influences significantly on the lower range of operating channel SNR in hybrid ARQ compared to non–adaptive ARQ scheme.

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