The Generalized-Fisher composite fading model for the next generation of mobile communication systems

IF 7.5 2区计算机科学 Q1 TELECOMMUNICATIONS

Digital Communications and Networks Pub Date : 2024-10-01 DOI:10.1016/j.dcan.2023.02.007

Fereshteh Salimian Rizi, Abolfazl Falahati

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引用次数: 0

Abstract

The new generation of communication systems is moving towards using a millimeter-wave spectrum. Since the shadowing effects are undeniable in this type of propagation, the proposed Generalized Fisher (GF) distribution can be useful in modeling shadowed fading channels, considering the non-linearity and the multi-cluster nature of the diffusion medium. After introducing the model, its main statistics, including Probability Density Function (PDF), Cumulative Distribution Function (CDF), Moment Generating Function (MGF), and the distribution of the sum of an arbitrary number of independent and non-identically distributed (i.n.i.d.) random variables with GF distribution are calculated. Subsequently, some wireless communication application criteria such as ergodic and outage capacities, are computed. Finally, considering the classic Wyner's wiretap model and passive eavesdropping scenario, specific security criteria, such as the probability of non-zero secrecy capacity and secrecy outage probability, are also determined. These expressions are measured in terms of either univariate or multivariate Fox's H-function.

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下一代移动通信系统的广义Fisher复合衰落模型

新一代通信系统正朝着使用毫米波频谱的方向发展。由于在这种传播方式中阴影效应是不可否认的，考虑到扩散介质的非线性和多群集性，提出的广义费雪（GF）分布可用于对阴影衰落信道进行建模。在介绍了该模型之后，计算了其主要统计量，包括概率密度函数（PDF）、累积分布函数（CDF）、矩生成函数（MGF），以及具有 GF 分布的任意数量独立非同分布（i.n.i.d.）随机变量之和的分布。随后，计算了一些无线通信应用标准，如遍历容量和中断容量。最后，考虑到经典的 Wyner 窃听模型和被动窃听情况，还确定了具体的安全标准，如非零保密能力概率和保密中断概率。这些表达式用单变量或多变量福克斯 H 函数来衡量。

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来源期刊

Digital Communications and Networks Computer Science-Hardware and Architecture

CiteScore

12.80

自引率

5.10%

发文量

915

审稿时长

30 weeks

期刊介绍： Digital Communications and Networks is a prestigious journal that emphasizes on communication systems and networks. We publish only top-notch original articles and authoritative reviews, which undergo rigorous peer-review. We are proud to announce that all our articles are fully Open Access and can be accessed on ScienceDirect. Our journal is recognized and indexed by eminent databases such as the Science Citation Index Expanded (SCIE) and Scopus. In addition to regular articles, we may also consider exceptional conference papers that have been significantly expanded. Furthermore, we periodically release special issues that focus on specific aspects of the field. In conclusion, Digital Communications and Networks is a leading journal that guarantees exceptional quality and accessibility for researchers and scholars in the field of communication systems and networks.