On the performance of cooperative systems with blind relays over Nakagami-m and Weibull fading

Authors:
Marco Di Renzo;Fabio Graziosi;Fortunato Santucci
Affiliations:
Telecommunications Technological Center of Catalonia, Castelldefels, Barcelona, Spain;Dept. of Electrical and Information Engineering, Center of Excellence in Research DEWS, University of L'Aquila, L'Aquila, Italy;Dept. of Electrical and Information Engineering, Center of Excellence in Research DEWS, University of L'Aquila, L'Aquila, Italy
Venue:
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Year:
2009

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Abstract

In this manuscript, we propose an accurate framework for the analysis of cooperative dual-hop wireless systems over fading channels, which use an Amplify and Forward (AF) relaying mechanism with fixed-gain relays. In particular, the proposed framework provides either exact results or very accurate bounds for computing the Moment Generating Function (MGF) of the end-to-end Signal-to-Noise Ratio (SNR) over Nakagami-m and Weibull fading. Furthermore, with the help of the MGF-based approach for performance analysis of wireless systems over fading channels, we will show that important performance indexes can be easily derived from the MGF. Numerical results will be shown to substantiate the proposed analytical framework.