软件Viterbi解码器与SSE4并行处理指令的软件DVB-T接收机

2009 IEEE International Symposium on Parallel and Distributed Processing with Applications Pub Date : 2009-08-18 DOI:10.1109/ISPA.2009.100

S. Tseng, Yu-Chin Kuo, Yen-Chih Ku, Yueh-Teng Hsu

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引用次数: 13

摘要

本文讨论了如何提高维特比解码器的速度。采用SSE4并行处理指令集和其他方法在Intel CPU上实现，解码速度达到47.05 Mbps(原0.64 Mbps)。台湾使用的DVB-T模式需要13.27 Mbps才能实现实时接收，因此我们实现的软件维特比解码器只占用28%的CPU负载。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Software Viterbi Decoder with SSE4 Parallel Processing Instructions for Software DVB-T Receiver

In this paper, we discuss the procedures how to make Viterbi decoder faster. The implementation in Intel CPU with SSE4 parallel processing instruction sets and some other methods achieves the decoding speed 47.05 Mbps (0.64 Mbps originally). The DVB-T mode used in Taiwan needs 13.27 Mbps to achieve real-time reception, so our implementation of software Viterbi decoder takes only 28% CPU loading.

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来源期刊

2009 IEEE International Symposium on Parallel and Distributed Processing with Applications

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