Real-Time Kinematic in the Light of GPS Modernization and Galileo

Bernd Eissfeller, Christian Tiberius, Thomas Pany, Robert Biberger and Gunter Heinrichs

Abstract:	This contribution reviews the planned modernization of the Global Positioning System (GPS) and the development of the European Galileo system, thereby concentrating on the signals eventually available to the GNSS user community. The application considered concerns fast and precise positioning. Consequently the implications are discussed for receiver and software design and instantaneous ambiguity resolution in particular. It is shown that extending a present dual frequency GPS Real-Time Kinematic (RTK) system to a dual frequency hybrid GPS and Galileo system in future, will cause on short baselines a significant decrease of the ambiguity fail-rate (from about 10-3 to below 10-8). On long baselines, for which differential atmospheric delays have to be dealt with, reliable instantaneous ambiguity resolution is feasible only if a stringent condition is met on either the (pseudorange) code measurement accuracy or on the accuracy of atmospheric correction information from a reference network.
Published in:	Proceedings of the 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001) September 11 - 14, 2001 Salt Palace Convention Center Salt Lake City, UT
Pages:	650 - 682
Cite this article:	Eissfeller, Bernd, Tiberius, Christian, Pany, Thomas, Biberger, Robert, Heinrichs, Gunter, "Real-Time Kinematic in the Light of GPS Modernization and Galileo," Proceedings of the 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001), Salt Lake City, UT, September 2001, pp. 650-682.
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