From Agnostic to Model-Based GNSS Jamming Detection

Daniele Borio, Eduardo Cano, Ciro Gioia

Peer Reviewed

Abstract:	Global Navigation Satellite System (GNSS) jammers are small portable devices capable of transmitting powerful electromagnetic waves which can disrupt GNSS signal reception over a wide geographical area. The first line of defense against GNSS jamming is the early detection of jamming signals. In this paper, model-based jamming detection is considered and the impact of a model for the detection of a jamming signal is investigated using a combination of theoretical results, simulations and the use of real GNSS signals collected in the presence of jamming. A piece-wise linear model is developed to describe the frequency evolution of a jamming signal. This model is then used to design the Piece-wise Linear frequency Detector (PLD) which is compared with the energy detector and with the Cyclostationary Feature Detector (CFD). Theoretical analysis and experimental results involving real jammers show the benefits and drawbacks of the different approaches considered.
Published in:	Proceedings of the 29th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2016) September 12 - 16, 2016 Oregon Convention Center Portland, Oregon
Pages:	3143 - 3152
Cite this article:	Borio, Daniele, Cano, Eduardo, Gioia, Ciro, "From Agnostic to Model-Based GNSS Jamming Detection," Proceedings of the 29th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2016), Portland, Oregon, September 2016, pp. 3143-3152. https://doi.org/10.33012/2016.14687
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