基于混沌理论和Gold序列的负自相关扩展序列性能评价

2009 Fourth International Workshop on Signal Design and its Applications in Communications Pub Date : 2009-12-04 DOI:10.1109/IWSDA.2009.5346422

A. Tsuneda, Y. Miyazaki

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引用次数: 7

摘要

与传统的线性反馈移位寄存器(LFSRs)产生的Gold序列相比，适当的负自相关扩频序列可以降低异步DS/CDMA系统中的平均多址干扰(MAI)。基于Gold序列和伯努利映射的混沌理论，设计了具有负自相关的扩展序列。通过计算机仿真，我们评估了使用该序列的异步DS/CDMA系统的误码率性能。

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Performance evaluation of spreading sequences with negative auto-correlation based on chaos theory and Gold sequences

Spreading sequences with appropriate negative auto-correlation can reduce average multiple access interference (MAI) in asynchronous DS/CDMA systems compared with the conventional Gold Sequences generated by linear feedback shift registers (LFSRs). We design spreading sequences with negative auto-correlation based on Gold sequences and the chaos theory for the Bernoulli map. By computer simulations, we evaluate BER performances of asynchronous DS/CDMA systems using the proposed sequences.

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来源期刊

2009 Fourth International Workshop on Signal Design and its Applications in Communications

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