Cascaded and Sum of Cascaded Over $\boldsymbol{\alpha }$–$\boldsymbol{\mathcal {F}}$ Fading Channels With Pointing Error Impairment

IF 5.3 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Open Journal of Vehicular Technology Pub Date : 2024-03-14 DOI:10.1109/OJVT.2024.3400901
Pedro H. D. Almeida;Hugerles S. Silva;Ugo S. Dias;Rausley A. A. de Souza;Iguatemi E. Fonseca;Yonghui Li
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Abstract

In this article, exact expressions are presented for the probability density function, cumulative distribution function, moment generating function, and higher-order moments of the instantaneous signal-to-noise ratio, considering the product and the sum of the products of $N$ $\alpha$ - $\mathcal {F}$ variates with pointing errors. New expressions for the outage probability (OP), bit error probability (BEP), ergodic channel capacity, and the area under the receiver operating characteristics (AUC) are deduced, as well as the asymptotic ones. The obtained expressions are used to assess the influence of various channels and system parameters on the system performance. We analyze a scenario considering dual-hop terahertz links and another regarding reconfigurable intelligent surfaces (RIS)-assisted systems. All expressions derived in this work are new, and Monte Carlo simulations corroborate the analytical curves shown.
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有指向性误差损伤的级联和级联之和超过 $\boldsymbol{\alpha }$-$\boldsymbol{mathcal {F}}$ Fading 信道
本文提出了瞬时信噪比的概率密度函数、累积分布函数、矩产生函数和高阶矩的精确表达式,考虑了具有指向误差的 $N$ $\alpha$-$\mathcal {F}$ 变量的乘积和乘积之和。推导出了中断概率 (OP)、误码概率 (BEP)、遍历信道容量和接收器工作特性下面积 (AUC) 的新表达式以及渐近表达式。得到的表达式用于评估各种信道和系统参数对系统性能的影响。我们分析了双跳太赫兹链路和可重构智能表面(RIS)辅助系统的情况。这项工作中得出的所有表达式都是新的,蒙特卡罗模拟证实了所显示的分析曲线。
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来源期刊
CiteScore
9.60
自引率
0.00%
发文量
25
审稿时长
10 weeks
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