Usage of Two-Directional Link Techniques for Determination of the Satellite State for GNSS-2

J. Hammesfahr, A. Hornbostel, J. Hahn, H. Trautenberg, C. Rapp, W. Specht, DLR B. Eissfeller, R. Wolf, O. Balbach, T. Zink, Z. Fu, H. Malthan, N. Lemke, P. Souty, D. Levavasseur, W. Schäfer, P. Tavella, M. Leonardi

Abstract:	In view of its "Advanced Research in Telecommuni-cations Systems" navigation program, the European Space Agency awarded a team lead by DLR with a study concerning applications of intersatellite and ground-referenced ranging techniques for potential future satel-lite navigation systems (GNSS second generation). The purpose of this paper is to present results of the study work with respect to achievable improvements of the sat-ellite state vector which includes position, time, and in-tegrity. Results are presented from simulation analyses for two different aspects. The first aspect is the determi-nation of the satellite state using intersatellite links and a minimum conventional ground network. In the second aspect, additional two-way ground-referenced links were added and the performance analysis was repeated for such a configuration with emphasis on satellite autono-mous measurements.
Published in:	Proceedings of the 1999 National Technical Meeting of The Institute of Navigation January 25 - 27, 1999 Catamaran Resort Hotel San Diego, CA
Pages:	531 - 540
Cite this article:	Hammesfahr, J., Hornbostel, A., Hahn, J., Trautenberg, H., Rapp, C., Specht, W., Eissfeller, DLR B., Wolf, R., Balbach, O., Zink, T., Fu, Z., Malthan, H., Lemke, N., Souty, P., Levavasseur, D., Schäfer, W., Tavella, P., Leonardi, M., "Usage of Two-Directional Link Techniques for Determination of the Satellite State for GNSS-2," Proceedings of the 1999 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1999, pp. 531-540.
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