Galileo In-orbit Control Strategy

A. Belen Martin Peiro, Theresa W. Beech, Alvaro Mozo Garcia and Miguel M. Romay Merino

Abstract:	This paper describes the activities performed in order to define an optimum constellation for a future Global Navigation Satellite System to be developed in Europe (Galileo). The constellation was optimised using a powerful tool, considering all navigation requirements and constraints. The stability of the constellation, and in particular, the stability of the performances with time, was one of the major criteria selected for the optimisation. It will be shown that an optimum selection of the constellation parameters, and in particular, of the orbit altitude may allow avoiding the need for frequent manoeuvres. This will have a significant impact on the operational costs and on the constellation performances. Key words: In-orbit control, GNSS (Global Navigation Satellite Systems), constellation design and optimisation.
Published in:	Proceedings of the IAIN World Congress and the 56th Annual Meeting of The Institute of Navigation (2000) June 26 - 28, 2000 The Catamaran Resort Hotel San Diego, CA
Pages:	469 - 480
Cite this article:	Peiro, A. Belen Martin, Beech, Theresa W., Garcia, Alvaro Mozo, Merino, Miguel M. Romay, "Galileo In-orbit Control Strategy," Proceedings of the IAIN World Congress and the 56th Annual Meeting of The Institute of Navigation (2000), San Diego, CA, June 2000, pp. 469-480.
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