Abstract Inter-Satellite Link represents an innovative aspect in remote sensing missions, allowing the exchange of data between satellites of a constellation according to appropriate algorithms for the minimization of the delivery time of requested data. In a recent study, the feasibility of gaining a long period of Inter-Satellite Link with an acceptable level of Bit Error Rate has been demonstrated by using a Walker Constellation composed of 20 micro-satellites located on Sun-Synchronous Orbits. In this paper, an investigation into the performance of such a constellation through the implementation of an optimal process of target access and data exchange among satellites has been carried out, together with a sizing of the onboard telecommunication system. A process analysis has been executed through the modelling of weighted fitting functions, specific for an optical remote sensing system.
Highlights Algorithm able to minimize the time elapsing between remote sensing data. Feasibility to implement a routing process by a simple planning of the procedures. Achievability of a telecommunication subsystem for a satisfactory exchange of data. Good versatility of the strategy for the considered level of complexity.
An optimal microsatellite system for optical remote sensing data management
Acta Astronautica ; 91 ; 157-165
2013-04-25
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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