We here introduce an extension and natural generalization of both thekappa-mu$,$shadowed and the classical Beckmann fading models: theFluctuating Beckmann (FB) fading model. This new model considers the clusteringof multipath waves on which the line-of-sight (LoS) components randomlyfluctuate, together with the effect of in-phase/quadrature power imbalance inthe LoS and non-LoS components. Thus, it unifies a variety of important fadingdistributions as the one-sided Gaussian, Rayleigh, Nakagami-m, Rician,kappa-mu, eta-mu, eta-kappa, Beckmann, Rician shadowed and thekappa-mu$,$shadowed distribution. The chief probability functions of the FBfading model, namely probability density function, cumulative distributionfunction and moment generating function are derived. The second-orderstatistics such as the level crossing rate and the average fade duration arealso analyzed. These results can be used to derive some performance metrics ofinterest of wireless communication systems operating over FB fading channels.
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机译：我们在这里介绍了 kappa- mu $ ，$遮蔽和经典Beckmann衰落模型的延伸和自然概括：博克曼（FB）衰落模型。这个新模型考虑了群集多径波，其中视线（LOS）组件随机呈现，以及同相/正交电力不平衡Inthe LOS和非LOS组件的效果。因此，它统一了各种重要的消退分布式，作为单面高斯，瑞利，纳克马米，瑞典， kappa- mu， eta- mu， eta- kappa，beckmann，riician阴影和 kappa - mu $ ，$遮蔽分布。推导了FBFading模型的主要概率函数，即概率密度函数，累积分布功能和时刻产生函数。分析了级别过渡率和平均褪色持续时间的第二围岩等。这些结果可用于导出经过FB衰落通道的无线通信系统中最有趣的一些性能度量。
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