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基于Walsh码的正交差分混沌键控通信方案

DOI: 10.13190/jbupt.201206.20.yangh, PP. 20-24

Keywords: 正交差分混沌键控,Walsh码,混沌,误码率

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Abstract:

提出一种可用于超宽带(UWB)的新型正交差分混沌键控(ODCSK)通信方案,能克服码移差分混沌键控(CS-DCSK)方法存在的问题,具有比特传输速率高、保密性好、可靠性高等优点.理论分析和仿真结果表明,在一定的扩频因子和信噪比条件下,新系统具有比CS-DCSK更好的解码性能.

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