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Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS
Joint Authors
Circiu, Mihaela-Simona
Felux, Michael
Lee, Jiyun
Holzapfel, Florian
Source
International Journal of Aerospace Engineering
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-03-20
Country of Publication
Egypt
No. of Pages
10
Abstract EN
The Ground Based Augmentation System (GBAS) is a landing system for aircraft based on differential corrections for the signals of Global Navigation Satellite Systems (GNSS), such as GPS or Galileo.
The main impact on the availability of current single frequency systems results from the necessary protection against ionospheric gradients.
With the introduction of Galileo and the latest generation of GPS satellites, a second frequency is available for aeronautical navigation.
Dual frequency methods allow forming of ionospheric free combinations of the signals, eliminating a large part of the ionospheric threats to GBAS.
However, the combination of several signals increases the noise in the position solution and in the calculation of error bounds.
We, therefore, developed a method to base positioning algorithms on single frequency measurements and use the second frequency only for monitoring purposes.
In this paper, we describe a detailed derivation of the monitoring scheme and discuss its implications for the use in an aviation context.
American Psychological Association (APA)
Felux, Michael& Circiu, Mihaela-Simona& Lee, Jiyun& Holzapfel, Florian. 2017. Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS. International Journal of Aerospace Engineering،Vol. 2017, no. 2017, pp.1-10.
https://search.emarefa.net/detail/BIM-1158037
Modern Language Association (MLA)
Felux, Michael…[et al.]. Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS. International Journal of Aerospace Engineering No. 2017 (2017), pp.1-10.
https://search.emarefa.net/detail/BIM-1158037
American Medical Association (AMA)
Felux, Michael& Circiu, Mihaela-Simona& Lee, Jiyun& Holzapfel, Florian. Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS. International Journal of Aerospace Engineering. 2017. Vol. 2017, no. 2017, pp.1-10.
https://search.emarefa.net/detail/BIM-1158037
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1158037