Abstract
The vulnerability of global navigation satellite system (GNSS) constellation is an important part of the vulnerability of GNSS. The vulnerability assessment for GNSS constellation is helpful to improve GNSS constellation. In this paper, the vulnerability of GNSS constellation is investigated and a vulnerability assessment model for GNSS constellation is suggested, then the vulnerability of GNSS constellation is evaluated by Analytical Hierarchy Process and Fuzzy Comprehensive Evaluation (AHP-FCE). The suggested assessment model concerns about the coverage of GNSS constellation in the situations that 1 satellite, 2 satellites, and 3 satellites are failure, and the mean coverage of GNSS constellation which is affected by satellite failures is used to be the assessment criterions. The vulnerability values of GNSS constellation can be calculated by AHP-FCE according to these criterions. In this paper, the vulnerability of GPS constellation and COMPASS constellation are evaluated, and the assessment results show that GPS constellation is slightly more vulnerable than COMPASS constellation which has more redundant satellites.
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Acknowledgments
This work was supported by the National High Technology Research and Development Program of China (863 Program). The fund number is 2011AA120503.
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© 2013 Springer-Verlag Berlin Heidelberg
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Qu, B., Wei, J., Zhang, S., Bi, L. (2013). Vulnerability Assessment for GNSS Constellation Based on AHP-FCE. In: Sun, J., Jiao, W., Wu, H., Shi, C. (eds) China Satellite Navigation Conference (CSNC) 2013 Proceedings. Lecture Notes in Electrical Engineering, vol 243. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37398-5_27
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DOI: https://doi.org/10.1007/978-3-642-37398-5_27
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Online ISBN: 978-3-642-37398-5
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