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di mian shu zi dian shi dan pin wang duo jing mo xing yan jiu yu xing neng yu ce
Author(s): 
Pages: 21-23,49
Year: Issue:  20
Journal: Video Engineering

Keyword:  单频网信道建模非线性多变量拟合性能预测;
Abstract: 给出了一种单频网多径信道测试方、模型研究及性能预测方法.具体包括:首先通过模拟器仿真三径信道,然后针对不同多径时延和场强差,测量系统工作的载噪比(C/N)门限,研究理论公式,给出一种简化模型,最后通过分析采集数据,用模型进行性能预测,并对简化模型进行修订,得到一种简单的适合工程计算的三径模型下载噪比门限的拟合公式,通过该公式拟合的相关系数基本在0.9左右.
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