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The Study of Suzuki-Corazza Hybrid Mode Simulation in Mobile Satellite Channel
Author(s): 
Pages: 81-85
Year: Issue:  5
Journal: Journal of Hechi University

Keyword:  衰落信道概率密度函数色高斯随机过程;
Abstract: 陆地移动卫星通信系统的复杂度越来越高,需要对信道模型进行建模以有效缩短通信系统的开发周期.色高斯随机过程是信道建模的基础,其产生方法是采用有限个加权正弦信号的叠加来近似.通过对衰落信道中的Suzuki模型和Corazza模型的研究,在这两种模型的基础上提出了一种新的Suzuki-Corazza全阴影混合模型.在这种模型中,Rayleigh过程和考虑视距分量的Rice过程分别被两个不相关的Lognormal随机过程影响,这种模型的自由度数增加,实际上增加了复杂性,但改善了模型的适应性.给出模型的仿真实现框图、一阶统计特性和计算机仿真.仿真结果表明,仿真结果与计算分析结果吻合得非常好.
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