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A Model for the Prediction of the Triple-Site Diversity Performance Based on the Gamma Distribution
John D. KANELLOPOULOS Spyros VENTOURAS
IEICE TRANSACTIONS on Communications
Publication Date: 1992/04/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Satellite Communication
rain attenuation, triple-site diversity, gamma distribution,
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Multiple-site diversity systems are foreseen for earth to satellite paths operating at frequencies above 10GHz in localities with high rain-induced attenuation. In some severe cases double-site protection can be proved to be inadequate and consequently triple-site diversity becomes indispensable. In the present paper, an approach for the prediction of the triple-site diversity performance based on an appropriate three-dimensional gamma distribution is proposed. The model is oriented for application to earth-space paths located in Japan and other locations with similar climatic conditions. Numerical results are compared with the only available set of experimental data taken from some parts of the United States. Some useful conclusions are deduced.