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具有良好S距离特性QPP交织器的设计 被引量:1

Design of QPP interleaver with favorable S distance property
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摘要 交织器的设计对提高Turbo码的性能有着重要的影响。首先研究了QPP交织器的设计原则,给出了具有良好S距离特性的QPP交织的设计方法。仿真结果表明:设计得到的QPP交织器的性能并不比通过随机搜索得到的一般S-随机交织器性能差。 Interleaver design is vital to the performace of Turbo codes.This paper dicusses the design principle of QPP interleaver,then gives the way of designing QPP interleaver with favorable S distance property.The simulation results show that the performace of such QPP interleaver is not worse than that of ordinary S-random interleaver through random search.
出处 《信息技术》 2011年第8期166-168,188,共4页 Information Technology
关键词 TURBO码 S-距离特性 二次置换多项式(QPP) Turbo codes S distance property quadratic polynomial permutation(QPP)
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