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

Seong Ki Yoo, Simon L. Cotton, Paschalis C. Sofotasios, Michail Matthaiou, Mikko Valkama, George K. Karagiannidis

Research output: Contribution to journalArticle

71 Citations (Scopus)
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Abstract

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.
Original languageEnglish
JournalIEEE Communications Letters
Early online date24 Mar 2017
DOIs
Publication statusEarly online date - 24 Mar 2017

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