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κ–μ fading channels: a finite state Markov modelling approach

机译:κ–μ衰落信道:有限状态马尔可夫建模方法

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Finite state Markov channel (FSMC) is the automatic choice for accurate modelling of slow fading channels with memory. FSMC model for a κ–μ fading channel is investigated in this paper. Small-scale variations of the fading signal under Line-Of-Sight conditions are represented by κ–μ fading distributions. Here, FSMC is constructed by partitioning the fading amplitude into several regions. Each region corresponds to a particular state in the Markov model. The transition among these channel states characterizes the physical fading process. Performance measures such as steady-state probability, state-transition probability, level crossing rate and state-time duration corresponding to the κ–μ fading channel are derived, plotted and analysed. Finally,numerical results prove that FSMC modelling provides an effective way to reflect the nature of the κ–μ fading channel.
机译:有限状态马尔可夫信道(FSMC)是对带有存储器的慢衰落信道进行精确建模的自动选择。本文研究了κ-μ衰落信道的FSMC模型。视线条件下衰落信号的小范围变化由κ–μ衰落分布表示。在此,通过将衰落幅度划分为几个区域来构造FSMC。每个区域对应于马尔可夫模型中的特定状态。这些信道状态之间的过渡是物理衰落过程的特征。得出,绘制并分析了与κ–μ衰落信道相对应的性能指标,例如稳态概率,状态转换概率,电平穿越速率和状态持续时间。最后,数值结果证明,FSMC建模提供了一种有效的方法来反映κ-μ衰落信道的性质。

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