The Multi-Star System and its Comparison with Existing Navigation Systems and Potential Users, Services and Performances

Lucio Bardelli, Riccardo Dellago, Marco Lisi, Francesco Luongo, Francesco Martinino, Marcello Spagnulo

Abstract:	Starting from the increasing attention toward a new Euro-pean civil navigation satellite system, there is the need to understand what is the user's demand, and what are the services to be offered. The multi-modal approach has opened the door to the possibility to serve a variety of users, such as avionics, road land mobile, rail and transit land mobile, waterborne, and so on. Moreover, the integration of different services inside the same satellite system has brought a new wave of enthusiasm, considering that this leads also to higher fore-seen return of investments. Alenia Aerospazio is proposing a new global satellite system able to provide multi-modal navigation, surveil-lance and communication services. This system, made up of a MEO-GEO mixed satellite constellation, has been called Multi-Star. In this paper an overview of Multi-Star, compared with the present satellite navigation systems, is provided; the comparison is performed on the basis of signal structures, pseudo-range accuracy, ground and space segment architectures, satellite coverage and Dilu-tion of Precision.
Published in:	Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998) September 15 - 18, 1998 Nashville, TN
Pages:	1693 - 1701
Cite this article:	Bardelli, Lucio, Dellago, Riccardo, Lisi, Marco, Luongo, Francesco, Martinino, Francesco, Spagnulo, Marcello, "The Multi-Star System and its Comparison with Existing Navigation Systems and Potential Users, Services and Performances," Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998), Nashville, TN, September 1998, pp. 1693-1701.
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