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

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Details

Original languageEnglish
Pages (from-to)1661-1664
Number of pages4
JournalIEEE Communications Letters
Volume21
Issue number7
DOIs
Publication statusPublished - 1 Jul 2017
Publication typeA1 Journal article-refereed

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 of interest.

Keywords

  • Composite fading, inverse Nakagami-m distribution, Nakagami-m fading, shadowing.

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