tailieunhanh - Báo cáo hóa học: " Research Article Performance Analysis of SSC Diversity Receivers over Correlated Ricean Fading Satellite Channels"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Performance Analysis of SSC Diversity Receivers over Correlated Ricean Fading Satellite Channels | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007 Article ID 25361 9 pages doi 2007 25361 Research Article Performance Analysis of SSC Diversity Receivers over Correlated Ricean Fading Satellite Channels Petros S. Bithas and P. Takis Mathiopoulos Institute for Space Applications and Remote Sensing National Observatory of Athens Metaxa and Vas. Pavlou Street 15236 Athens Greece Received 3 October 2006 Revised 23 February 2007 Accepted 6 April 2007 Recommended by Ray E. Sheriff This paper studies the performance of switch and stay combining SSC diversity receivers operating over correlated Ricean fading satellite channels. Using an infinite series representation for the bivariate Ricean probability density function PDF the PDF of the SSC output signal-to-noise ratio SNR is derived. Capitalizing on this PDF analytical expressions for the corresponding cumulative distribution function CDF the moments ofthe output SNR the moments generating function MGF and the average channel capacity CC are derived. Furthermore by considering several families of modulated signals analytical expressions for the average symbol error probability ASEP for the diversity receivers under consideration are obtained. The theoretical analysis is accompanied by representative performance evaluation results including average output SNR ASNR amount of fading AoF outage probability Pout average bit error probability ABEP and average CC which have been obtained by numerical techniques. The validity of some of these performance evaluation results has been verified by comparing them with previously known results obtained for uncorrelated Ricean fading channels. Copyright 2007 P. S. Bithas and P. T. Mathiopoulos. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. 1. INTRODUCTION The .

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