DETERMINING THE STATISTICAL BEHAVIOR OF THE INTERFERENCE GENERATED BY SATELLITE NETWORKS THAT USE NON-GEOSTATIONARY SATELLITE: NUMERICAL IMPLEMENTATION OF THE ANALYTIC METHOD / DETERMINAÇÃO DO COMPORTAMENTO ESTATÍSTICO DE INTERFERÊNCIAS ENVOLVENDO REDES DE COMUNICAÇÕES QUE UTILIZAM SATÉLITES NÃO GEOESTACIONÁRIOS: IMPLEMENTAÇÃO NUMÉRICA DO MÉTODO ANALÍTICO
AUTOR(ES)
JORGE EDUARDO AMORES MALDONADO
DATA DE PUBLICAÇÃO
1999
RESUMO
This thesis presents the numerical algorithm description for the implementation of the analytical approach to assess interference in environments involving NGSO satellite networks proposed in [1]. For completeness purposes it also included to analyze the interference sensitivity to system and network parameters without the reliability problems and the excessive computer effort, often associated with direct computer simulation methods. The Analytical Approach is based on the knowledge of the probability density function (pdf) of the position of a single satellite placed in an elliptical (or circular) orbit around the Earth. This pdf is used to calculate the statistical behavior of interferences produced (or experimented) by NGSO network elements, as well as by elements of other types of telecommunications networks (fixed terrestrial Services, Fixed Satellite Services, among others). To illustrate the applicability of the method several results are presented, each one performed with different parameters and environments. It is worth pointing out that compared with direct computer simulaton methods, the Analytical one generates more reliable and precise results with less required computer time.
ASSUNTO(S)
interferencia interference non-geostationary satellites satelites nao-geoestacionarios estatistica statistics
ACESSO AO ARTIGO
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