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首页> 外文期刊>International journal of communication systems >Performance analysis of wireless communication system over nonidentical cascaded generalised gamma fading channels
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Performance analysis of wireless communication system over nonidentical cascaded generalised gamma fading channels

机译：非相同级联广义伽马衰落信道上无线通信系统的性能分析

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摘要

Multiplicative fading statistics usually encountered in different radio propagation environments. In this context, we evaluate and analyse the performance of a wireless communication system over the nonidentical cascaded generalised Gamma Fading Channels, also known as generalised Bessel-K fading channel. To this end, the closed-form expressions for the amount of fading (AOF), the outage probability (OP), the average symbol error probability (SEP), and the channel capacity are derived. In addition approximate expressions for the average SEP with maximal ratio combining (MRC) diversity are also provided. The low- and high-power solutions for the channel capacity are also provided. Furthermore, simplified asymptotic average SEP expressions for MRC and selection combining (SC) are presented to gain the system performance with diversity. The proposed methodologies provide more flexibility to accommodate different radio propagation scenarios. To examine the accuracy of the proposed solutions, numerical and simulation results are compared and shown to fit for variety of fading parameters.
机译：通常在不同的无线电传播环境中遇到的乘法衰落统计。在这种情况下，我们评估和分析无线通信系统在不相同的级联广义Gamma衰落信道（也称为广义Bessel-K衰落信道）上的性能。为此，推导了衰落量（AOF），中断概率（OP），平均符号错误概率（SEP）和信道容量的闭式表达式。此外，还提供了具有最大比率合并（MRC）分集的平均SEP的近似表达式。还提供了通道容量的低功率和高功率解决方案。此外，提出了用于MRC和选择组合（SC）的简化渐近平均SEP表达式，从而获得具有多样性的系统性能。所提出的方法提供了更大的灵活性以适应不同的无线电传播场景。为了检验所提出解决方案的准确性，对数值和仿真结果进行了比较，并显示它们适合各种衰落参数。

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