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In this paper, we consider the hybrid automatic retransmission request (ARQ) for turbo coded systems with QAM modulations through block fading channels and the rates are different among (re)transmission blocks. Due to coexistence of incremental redundancy (IR) and repetition, both chase combining (CC) and IR code combining are employed at the receiver. Based on the bucket-filling analysis for the...
We consider the design of adaptive hybrid automatic retransmission request (ARQ) with incremental redundancy (IR) in which the transmission rates of different blocks in one hybrid ARQ process can be different. The throughput of adaptive IR hybrid ARQ in block fading channels is formed based on the renewal-reward theorem. Two types of input signals are considered, namely, Gaussian inputs and practical...
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