瑞利衰落信道下扩频信号隐分集性能分析
Radio Communications Technology(2013)
Abstract
介绍了瑞利衰落信道下采用扩频信号的失真接收机获取隐分集增益机理。在多重分集通道和每个分集通道存在离散多径的瑞利信道模型基础上,分别详细分析推导了单重分集通道和多重分集通道情况下的隐分集性能表达式,给出了不同情况下的误码性能理论曲线,并在硬件系统测试平台上,对扩频信号的隐分集性能进行了实测。测试结果表明该分析方法可行,可用于指导工程实践。
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Key words
multi-paths,implicit diversity,Rayleigh fading,spread frequency
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