Real-Time Rapid-Static and Kinematic Surveying at the Centimeter Level and Below

Andreas Mathes and Michail Gianniou

Abstract:	Today’s requirements in a satellite based surveying and navigation system call for more reliable, more accurate and faster techniques of observation and computation using GPS. To avoid long observation periods or time- consuming re-occupations and to allow instantaneous kinematic positioning the computation in real-time will become the main task. The paper presents the strategy and algorithms of GPS carrier phase real-time computation and data-handling, e.g. the transmission and receipt of observations data via a radio modem. Additionally the development of a powerful ambiguity resolution algorithm for static and kinematic applications requiring only a few epochs of observation data and its implementation in a real-time kinematic environment (‘On-The-Fly’) are shown.To obtain reliable solutions with highest accuracies the questions of integrity, error-budgets and quality of the registered GPS signals are discussed. First results and experiences also in the presence of Anti-Spoofing are given and compared to classical terrestrial and GPS- surveying techniques.
Published in:	Proceedings of the 7th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1994) September 20 - 23, 1994 Salt Palace Convention Center Salt Lake City, UT
Pages:	105 - 113
Cite this article:	Mathes, Andreas, Gianniou, Michail, "Real-Time Rapid-Static and Kinematic Surveying at the Centimeter Level and Below," Proceedings of the 7th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1994), Salt Lake City, UT, September 1994, pp. 105-113.
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