The spoofing detection of local area differential GNSS in the aspect of land transport systems
Journal Title: Autobusy. Technika, Eksploatacja, Systemy Transportowe - Year 2017, Vol 208, Issue 6
Abstract
Differential Global Navigation Satellite System (DGNSS) is an enhancement to GNSS that was developed to correct errors (delays during the signals’ transit to earth) and inaccuracies in the GNSS system, allowing for more accurate positioning of information. In general, access to this correction information makes differential GNSS receivers much more accurate than other receivers; with these errors removed, a GNSS receiver has the potential to achieve accuracies of up to 10 centimeters. The GNSS positioning and navigation is widely used in many industries around the world : aircrafts, ships, missiles, UAVs and vehicles rely on GNSS data. Recent studies have shown that the interference and spoofing of GNSS is a real threat to the reliability and accuracy of the GNSS system and can be used by terrorists. One of the main problems of modern navigation both manned and unmanned transport systems is a problem of transport safety. One of the main problems of modern navigation both manned and unmanned transport systems is a problem of transport safety. To improve the accuracy of transport positioning we use Differential GNSS technology, which is based on setting a fixed referent station with a known geodetic position XYZ. Unfortunately, GNSS is vulnerable to malicious intrusion. GNSS can be spoofed by false signals, but special receivers can provide defenses against such attacks. In this article are considered the principles of architecture LADGNSS – Local Area Differential GNSS.
Authors and Affiliations
Larisa Dobryakova, Łukasz Lemieszewski, Evgeny Ochin
Keywords
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