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1 LTCI - Laboratoire Traitement et Communication de l-Information 2 EutelSAT

Abstract : This work describes a novel methodology for the dimensioning of a Ka-Band high throughput satellite for broadband communications. The method is based on the optimization of performance for a forward link, as a function of a set of input criteria and a given envelope of available power. This approach is based on a spacecraft architecture using a multi-beam coverage implementing frequency re-use. Among the input criteria, we use the percentage of covered service area with a certain type of earth stations and the service availability. The proposed methodology is adaptable to any kind of service area. A DVB-S2 air interface with an Adaptive Coding and Modulation ACM is used as a reference.The method, employing iterative advanced link budget calculations including carrier-tointerference at antenna level, provides the highest capacity given a batch of antenna and pragmatic feed design.

Keywords : Satellite Multi-beam Broadband applications Satellite design





Autor: Dimitri Serrano-Velarde - Emmanuel Lance - Georges Rodriguez-Guisantes - Hector Fenech -

Fuente: https://hal.archives-ouvertes.fr/



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