直接序列扩频通信系统误码率的仿真分析
Journal of Daqing Petroleum Institute(2002)
Abstract
根据香农定理和柯捷尔尼可夫潜在抗干扰理论,借助MatLab工具箱和Monte Carlo仿真算法,建立了直接序列扩频通信系统仿真模型. 通过分析无干扰时的误码率仿真曲线与理论计算值,证明了所建仿真模型的正确性. 以此为基础,研究了扩频处理增益、正弦干扰信号振幅与误码率的关系,结果表明:在相同信噪比下,处理增益越大,误码率越小,特别是大信噪比时,这种差别尤为明显;而在处理增益不变时,正弦干扰信号振幅增加,误码率则增大.
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Key words
Interference Suppression
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