This article demonstrates global positioning system (GPS) spoofing with a commercial, off-the-shelf software-defined radio (SDR) emitter fitted local oscillator exhibiting stability consistent the medium-term (0.01-1 000 s) of atomic clocks on GPS satellite systems. Computationally efficient means detecting is then addressed, namely codeless detection by phase-difference measurement signals rec...

Die Verfügbarkeit von Ortungsverfahren zur Positionsbestimmung von mobilen Endgeräten wie Mobilfunktelefonen oder PDAs ermöglicht eine eigene Klasse von neuartigen Anwendungen, die sog. Location Based Services (LBS). In den einschlägigen Arbeiten wird jedoch fast nie betrachtet, inwiefern die Ortungsverfahren robust gegenüber Manipulationsversuchen („Location-Spoofing“) durch Dritte oder die (m...

The security and reliability of GPS receivers are critical to Phasor Measurement Units (PMUs). These devices provide synchronized voltage and current phasor measurements in power systems based on GPS timing. However, due to the unencrypted nature and low received signal to noise ratio of civil GPS signals, jamming and spoofing attacks on GPS receivers can pose a risk to both the position and ti...

The author was employed at the University of Luxembourg and supported by the Fonds National de la Recherche Luxembourg (FNR) in the project " Secure and Private Location Proofs: Architecture and Design for Location Based Services " (reference SECLOC 794361). Part of the research in this thesis is funded by the European Space Agency (ESA) project " Developing a Prototype of Localisation Assuranc...

Secure, reliable position and time information is indispensable for many civil GPS applications such as guiding aircraft, tracking freight, synchronizing power grids and cellular networks, and time-stamping financial transactions. This paper introduces a signal authentication architecture based on a network of cooperative receivers. A receiver in the network correlates its received military P(Y...

Today, issues related to ensuring the safety of UAVs are very relevant. Researchers need develop new protection methods detect attacks in a timely manner and implement mitigation measures. The authors propose concept attack detection "from inside" UAV. idea is analyze cyber-physical parameters UAV, which may indicate an attack, its possible consequences. It was determined that determine consequ...

In April, the Royal Academy of Engineering published the final report of a study into the world’s increasing dependence on GPS and other global navigation satellite systems and the consequent vulnerabilities. The report, Global Navigation Space Systems, describes how GPS has been so useful and so reliable that a remarkably wide range of applications, ranging from financial trading to deep sea d...