Potential Performance Levels of a Combined Galileo/GPS Navigation System

This paper presents the results of a research project that investigated the potential benefits of a combined Galileo/GPS navigation system. The research addressed in detail the two key required navigation performance (RNP) parameters of accuracy and integrity. The project was supported by Alcatel Sp...

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Bibliographic Details
Published in:Journal of navigation 2001-05, Vol.54 (2), p.185-197
Main Authors: Ochieng, W. Y., Sauer, K., Cross, P. A., Sheridan, K. F., Iliffe, J., Lannelongue, S., Ammour, N., Petit, K.
Format: Article
Language:English
Subjects:
1. Galileo
2. GPS
3. Accuracy
4. Integrity
Accuracy
Applied sciences
Exact sciences and technology
Global positioning systems
GPS
Ground, air and sea transportation, marine construction
Navigation systems
Radiolocalization and radionavigation
Research projects
Satellites
Telecommunications
Telecommunications and information theory
User needs
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Description
Summary:This paper presents the results of a research project that investigated the potential benefits of a combined Galileo/GPS navigation system. The research addressed in detail the two key required navigation performance (RNP) parameters of accuracy and integrity. The project was supported by Alcatel Space and was a contribution to the Galileo definition studies (supported by the European Community under the GALA project). The results show significant improvements in both accuracy and integrity (achievable through RAIM) when a combined constellation is used rather than Galileo alone.
ISSN:0373-4633
1469-7785
DOI:10.1017/S037346330100131X