Counter-UAV Challenges: Is GNSS Spoofing Effective?

Todd Humphreys

Abstract:	Detecting and neutralizing hostile UAVs is a difficult, asymmetric challenge. It's hard enough to detect and distinguish UAVs that accidentally enter controlled airspace from birds. It's a much harder challenge when the incursion is not accidental -- when the UAV operators know what they're doing and have designed their aircraft to be autonomous, stealthy, and even biomimetic. A $100k investment in improved UAV-detecting radar may be nullified by a $1k investment by the UAV operators to reduce its radar cross section. Could GNSS spoofing be an effective countermeasure for hostile UAVs? What could be the consequences for nearby infrastructure, or friendly aircraft?
Published in:	Proceedings of the 30th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2017) September 25 - 29, 2017 Oregon Convention Center Portland, Oregon
Pages:	2664 - 2690
Cite this article:	Humphreys, Todd, "Counter-UAV Challenges: Is GNSS Spoofing Effective?," Proceedings of the 30th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2017), Portland, Oregon, September 2017, pp. 2664-2690. https://doi.org/10.33012/2017.15146
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