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首页> 外文期刊>WSEAS Transactions on Communications >Level Crossing Rate of Macrodiversity SC Receiver Output Process in the Presence of Weibull Short Term Fading, Gamma Long Term Fading and Weibull Cochanell Interference
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Level Crossing Rate of Macrodiversity SC Receiver Output Process in the Presence of Weibull Short Term Fading, Gamma Long Term Fading and Weibull Cochanell Interference

机译：Weibull短期衰落，Gamma长期衰落和Weibull Cochanell干扰存在下宏分集SC接收机输出过程的电平交叉速率

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摘要

In this paper, macrodiversity reception with macrodiversity (MAD) selection combining (SC) receiver and two microdiversity (MID) SC receivers operating over Gamma shadowed Weibull short term fading channel in the presence of cochannel interference subjected to Weibull multipath fading is observed. Level crossing rate (LCR) of the ratio of two Weibull random processes is evaluated and this expression is used for calculation the LCR at the output of MID SC receivers. The closed form expression of LCR at the output of MAD SC receiver is also determined. The influence of Gamma long term fading severity parameter, Gamma long term fading correlation coefficient, Weibull fading nonlinearity parameter of desired signal and Weibull fading nonlinearity parameter of cochannel interference on LCR of MAD system is studied and discussed.
机译：在本文中，在存在经受威布尔多径衰落的同信道干扰的情况下，观察到具有宏分集（MAD）选择组合（SC）接收机和两个微分（MID）SC接收机的宏分集接收，这些接收机在Gamma遮蔽的Weibull短期衰落信道上运行。评估两个威布尔随机过程的比率的水平交叉速率（LCR），该表达式用于计算MID SC接收器输出处的LCR。还确定了MAD SC接收器输出处LCR的闭式表达式。研究并讨论了伽玛长期衰落严重性参数，伽玛长期衰落相关系数，期望信号的威布尔衰落非线性参数和同信道干扰的威布尔衰落非线性参数对MAD系统LCR的影响。

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