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为提高系统的通过率及译码效率,高速可靠数据传输系统采用混合ARQ方案。本文提出了一种基于交织重组和星座重组的混合ARQ方案,分析了系统的通过率、误帧率及重传时延。通过仿真说明本方案可获得较大的通过率增益,减小重传延时,提高了系统的传输可靠性。
To improve system throughput and decoding efficiency, high-speed and reliable data transmission system uses a hybrid ARQ scheme. In this paper, a hybrid ARQ scheme based on interleaving and constellation recombination is proposed, and the pass rate, frame error rate and retransmission delay of the system are analyzed. Simulation shows that the scheme can obtain a larger pass-rate gain, reduce the retransmission delay, and improve the transmission reliability of the system.