Performance analysis of dual-diversity receivers over correlated generalised Gamma fading channels

P.S. Bithas; N.C. Sagias; T.A. Tsiftsis

Performance analysis of dual-diversity receivers over correlated generalised Gamma fading channels

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Performance analysis of dual-diversity receivers over correlated generalised Gamma fading channels

Author(s): P.S. Bithas ; N.C. Sagias ; T.A. Tsiftsis
DOI: 10.1049/iet-com:20070207

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Author(s): P.S. Bithas ¹ ; N.C. Sagias ² ; T.A. Tsiftsis ³
- Affiliations: 1: Department of Electrical and Computer Engineering, University of Patras, Patras, Greece
  2: Institute of Informatics and Telecommunications, National Centre for Scientific Research – ‘Demokritos,’, Athens, Greece
  3: Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
Source: Volume 2, Issue 1, January 2008, p. 174 – 178
DOI: 10.1049/iet-com:20070207 , Print ISSN 1751-8628, Online ISSN 1751-8636

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The performance of dual-branch equal-gain combining (EGC) and maximal-ratio combining receivers operating over a composite correlated fading environment, modelled by the generalised Gamma (GG) distribution, is analysed. The moments of the output signal-to-noise ratio are derived in closed form for both types of receivers, and by employing the Padé approximants method, the average bit error probability is studied for a great variety of modulation schemes. Furthermore, based on the statistic of the product of two correlated GG random variables, a tight union upper bound for the outage probability of the EGC is obtained, whereas for the special case of Weibull fading a simpler bound is derived in closed form. The proposed mathematical analysis is complemented by various, numericaly evaluated performance results, whereas simulations verify the correctness of the proposed analysis.

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Performance analysis of dual-diversity receivers over correlated generalised Gamma fading channels

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