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

Ali Abdi; H. Allen Barger; Mostafa Kaveh

doi:10.1109/VTC.2001.957106

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 journal › Article › peer-review

48 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 language	English (US)
Article number	26
Pages (from-to)	2058-2062
Number of pages	5
Journal	IEEE Vehicular Technology Conference
Volume	4
Issue number	54ND
DOIs	https://doi.org/10.1109/VTC.2001.957106
State	Published - 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/VTC.2001.957106

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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.",

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AB - 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.

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

Abstract

All Science Journal Classification (ASJC) codes

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