The Working Group on International Cooperation for Global Navigation Satellite System

American Institute of Aeronautics and Astronautics International Activities Committee

Abstract:	On the basis of the Fourth Workshop findings and subsequent developments, examine further the role of international cooperation, including private sector cooperation, in current and future Global Navigation Satellite Systems (GNSS). Executive Summary Last year's Working Group concluded that either on GNSS or separate but interoperable systems are preferable to competing national or regional systems. The recent proposal for a European GNSS, known as Galileo, focused this year's discussion on the issues posed by such a system, which has the objective of being independent of, but fully compatible with the United States Global System (GPS). Prior to the Galileo announcement, the US introduced a technical concept known as "open systems architecture" as a means of assuring the interoperability of separate GNSS systems. However, a clear definition of open systems architecture has not been agreed upon in international fora. Because the technical definition phases of the GPS modernization initiative and the Galileo program are proceeding at a rapid pace, the Working Group recommends that informal technical discussions focused on developing a common definition of open systems architecture be undertaken as soon as possible. In addition, the EU and the US need to agree on desired interoperability and transparency to the users of Galileo and GPS.
Published in:	Proceedings of the 12th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1999) September 14 - 17, 1999 Nashville, TN
Pages:	999 - 1013
Cite this article:	Aeronautics, American Institute of, Committee, Astronautics International Activities, "The Working Group on International Cooperation for Global Navigation Satellite System," Proceedings of the 12th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1999), Nashville, TN, September 1999, pp. 999-1013.
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