A simple alternative to the lognormal model of shadow fading in terrestrial and satellite channels

Ali Abdi, H. Allen Barger, Mostafa Kaveh

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

The distribution of the local average power at the land mobile is widely to be lognormal in both terrestrial and satellite channels. However, the mathematical form of the lognormal distribution is not convenient for analytic calculations. In this paper, we show the utility of the gamma distribution for shadow fading, in both terrestrial and satellite channels, using empirical data. Furthermore, we show that the application of the gamma model of shadow fading, in place of the lognormal model, results in closed-form and mathematically-tractable solutions for key system performance measures such as the average symbol error rate of different modulations with a variety of diversity combining techniques.

Original languageEnglish (US)
Article number26
Pages (from-to)2058-2062
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume4
Issue number54ND
DOIs
StatePublished - Jan 1 2001

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