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Type: Artigo
Title: Double shadowing the rician fading model
Author: Simmons, Nidhi
Nogueira da Silva, Carlos Rafael
Cotton, Simon L.
Sofotasios, Paschalis C.
Yacoub, Michel Daoud
Abstract: In this letter, we consider a Rician fading envelope which is impacted by dual shadowing processes. We conveniently refer to this as the double shadowed Rician fading model which can appear in two different formats, each underpinned by a different physical signal reception model. The first format assumes a Rician envelope where the dominant component is fluctuated by a Nakagami-m random variable (RV) which is preceded (or succeeded) by a secondary round of shadowing brought about by an inverse Nakagami-m RV. The second format considers that the dominant component and scattered waves of a Rician envelope are perturbed by two different shadowing processes. In particular, the dominant component experiences variations characterized by the product of a Nakagami-m and an inverse Nakagami-m RV, whereas the scattered waves are subject to fluctuations influenced by an inverse Nakagami-m RV. Using the relationship between the shadowing properties of the two formats, we develop unified closed-berm and analytical expressions for their probability density function, cumulative distribution function, moment-generating function and moments. All derived expressions are validated through Monte Carlo simulations and reduction to a number of special cases
Subject: Monte Carlo, Método de
Country: Estados Unidos
Editor: Institute of Electrical and Electronics Engineers
Rights: Fechado
Identifier DOI: 10.1109/LWC.2018.2871677
Date Issue: 2019
Appears in Collections:FEEC - Artigos e Outros Documentos

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