On the Bivariate Nakagami-Lognormal Distribution and Its Correlation Properties

Autor:	Juan Reig, Lorenzo Rubio, Vicent M. Rodrigo-Peñarrocha
Jazyk:	angličtina
Rok vydání:	2014
Předmět:	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Cellular telephone services industry. Wireless telephone industry HE9713-9715
Zdroj:	International Journal of Antennas and Propagation, Vol 2014 (2014)
Druh dokumentu:	article
ISSN:	1687-5869 1687-5877
DOI:	10.1155/2014/328732
Popis:	The bivariate Nakagami-lognormal distribution used to model the composite fast fading and shadowing has been examined exhaustively. In particular, we have derived the joint probability density function, the cross-moments, and the correlation coefficient in power terms. Also, two procedures to generate two correlated Nakagami-lognormal random variables are described. These procedures can be used to evaluate the robustness of the sample correlation coefficient distribution in both macro- and microdiversity scenarios. It is shown that the bias and the standard deviation of this sample correlation coefficient are substantially high for large shadowing standard deviations found in wireless communication measurements, even if the number of observations is considerable.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/27fa5eabd29249e7adc34a441de024fd Zobrazit plný text záznamu Plný text View record in DOAJ