The Fisher-Snedecor F Distribution: A Simple and Accurate Composite Fading Model

被引：106

作者：

Yoo, Seong Ki ^{[1
]}

Cotton, Simon L. ^{[1
]}

Sofotasios, Paschalis C. ^{[2
,3
]}

Matthaiou, Michail ^{[1
]}

Valkama, Mikko ^{[2
]}

Karagiannidis, George K. ^{[4
]}

机构：

[1] Queens Univ Belfast, Inst Elect Commun & Informat Technol, Belfast BT3 9DT, Antrim, North Ireland

[2] Tampere Univ Technol, Dept Elect & Commun Engn, FIN-33101 Tampere, Finland

[3] Khalifa Univ, Dept Elect & Comp Engn, Abu Dhabi 127788, U Arab Emirates

[4] Aristotle Univ Thessaloniki, Dept Elect & Comp Engn, Thessaloniki 54124, Greece

来源：

IEEE COMMUNICATIONS LETTERS | 2017年 / 21卷 / 07期

基金：

英国工程与自然科学研究理事会; 芬兰科学院;

关键词：

Composite fading; inverse Nakagami-m distribution; Nakagami-m fading; shadowing; CHANNELS; PERFORMANCE;

D O I：

10.1109/LCOMM.2017.2687438

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We consider the use of the Fisher-Snedecor F distribution, which is defined as the ratio of two chi-squared variates, to model composite fading channels. In this context, the root-mean-square power of a Nakagami-m signal is assumed to be subject to variations induced by an inverse Nakagami-m random variable. Comparisons with physical channel data demonstrate that the proposed composite fading model provides as good, and in most cases better, fit to the data compared to the generalized-K composite fading model. Motivated by this result, simple novel expressions are derived for the key statistical metrics and performance measures of interest.

引用

页码：1661 / 1664

页数：4

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