长度可变的块-随机绞织器的研究
首发时间:2012-11-14
摘要:本文提出了Turbo码中一种长度可变的S-随机交织器。基于S-随机交织器,利用较短长度的S-交织器构造出一定长度的交织器,计算复杂度大大降低,性能却与S-随机交织器相当,且随着交织器长度的增加,误比特性能提高,同时,分块值较大的交织器对长度的删减有较强的鲁棒性。
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Research of Block-random Interleaver with Variable-length
Abstract:In this paper a new interleaver is proposed, which makes use of several short length S-random interleavers to construct a longer length interleaver. The simulation indicates that the computational complexity is reduced significantly, while the performance is almost good as the S-random interleaver's. And with the increase of interleaving length, the bit error performance is improved. The proposed interleaver has robustness against pruning of the interleaver length.
Keywords: random interleaver Turbo codes bit error rate
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