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小Kasami序列的正交码元移位键控扩频水声通信

DOI: 10.3969/j.issn.1006-7043.201303065

Keywords: 水声通信, 扩频, 正交, 码元移位键控

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Abstract:

针对传统码元移位键控(CSK)较低的通信速率和采用m序列传统正交CSK具有较强烈的通道间干扰的问题,提出了基于小Kasami序列的正交CSK扩频水声通信技术,有效减少了通道间的干扰,并通过序列和通信方式上的优化结合获得性能上的提升。首先通过公式推导分析了影响该系统性能的因素,然后通过序列相关特性进行比较,并与由序列组成的通信系统的仿真性能进行比较。最后进行了实验验证,结果说明该方案有着相对于传统方案更优越的性能。

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