Preprint Article Version 1 This version is not peer-reviewed

Safety of GNSS-Like Underwater Positioning Systems

Version 1 : Received: 3 September 2019 / Approved: 5 September 2019 / Online: 5 September 2019 (03:27:42 CEST)

How to cite: Abramowski, T.; Bilewski, M.; Dobryakova, L.; Ochin, E.; Uriasz, J.; Zalewski, P. Safety of GNSS-Like Underwater Positioning Systems. Preprints 2019, 2019090052 (doi: 10.20944/preprints201909.0052.v1). Abramowski, T.; Bilewski, M.; Dobryakova, L.; Ochin, E.; Uriasz, J.; Zalewski, P. Safety of GNSS-Like Underwater Positioning Systems. Preprints 2019, 2019090052 (doi: 10.20944/preprints201909.0052.v1).

Abstract

The formal transfer of GNSS under water is not possible. It probably makes sense to talk only about the transformation of GPS into LPS, that is, in the Local Position System. However, the basic methods that are used to solve the problem of Spoofing Detection above water can be used under water. It should be understood that engineering problems are significantly different, since the nature of the propagation of acoustic waves in water and electromagnetic waves in the atmosphere are fundamentally different. In this article, we will limit the navigation with acoustically passive receiver. The receiver “listens” to the buoys and solves the problem of finding its own position based on the coordinates of the buoys (such systems are called GNSS-like Underwater Positioning Systems or GNSS-like UPS). Depending on the scale of system service areas, GNSS-like UPS are divided into global, regional, zonal and local system. In this article, we will limit ourselves to considering only local GNSS-like UPS. The acoustic signal generator transmits a signal simulation of several satellites. If the level of the simulated signal exceeds the signal strength of real satellites, the receiver of UPS will “capture” the fake signal and calculate the false position based on it.

Subject Areas

antiterrorism; underwater GNSS; underwater GPS; spoofer; antispoofing; spoofing detection; underwater transport safety

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