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Enhanced Robustness and Spoofing Resistance by Galileo PRS Processing

: Rügamer, Alexander; Garzia, Fabio; Meister, Daniel; Merwe, Johannes Rossouw van der; Taschke, Simon; Zubizarreta, Xabier; Kunzi, Florian; Plata, Ricardo Monroy Gonzalez; Urquijo, Santiago; Miksovsky, Christoph; Felber, Wolfgang; Wendel, Jan

Postprint urn:nbn:de:0011-n-6220473 (780 KByte PDF)
MD5 Fingerprint: ebea2a29daa4a6a5ae6ced3e8d1bff29
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Erstellt am: 11.2.2021

Lange, G. ; Institute of Electrical and Electronics Engineers -IEEE-; Deutsche Gesellschaft für Ortung und Navigation -DGON-:
European Navigation Conference, ENC 2020 : 23-24 November 2020, Online
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-7281-4430-6
ISBN: 978-3-944976-28-0
ISBN: 978-3-944976-27-3
8 S.
European Navigation Conference (ENC) <2020, Online>
Bundesministerium für Verkehr und digitale Infrastruktur BMVI (Deutschland)
50NP1905; PayOFF
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IIS ()
receivers; jamming; interference; global navigation satellite system; robustness; Global Positioning System; field programmable gate arrays; OS-NMA; PRS

This paper presents and discusses some of the enhancements in robustness against jamming and spoofing using unique features of the cryptographically protected Galileo PRS signals. Different techniques exploiting these PRS properties have been implemented and evaluated on the German national PRS test receiver (PROOF). It is shown that the used HDDM interference mitigation method is already as good as the state-of-the-art in high-end GNSS receivers for OS signals. Then the benefits of cryptographically protected signals are discussed with a demonstration how trusted PRS signals can be used to detect and mitigate spoofing attacks also in comparison to one potential Open Service Navigation Message Authentication (OS-NMA) configuration.