DETECTION OF GNSS NAVIGATION DATA MANIPULATION BASED ON GNSS SYSTEM TIME DIFFERENCES

A method, apparatus and computer readable storage medium are provided to determine whether or not said at least one GNSS signal is potentially manipulated. In the context of a method, at least one global navigation satellite system, GNSS, signal related to a first GNSS system time is received. The m...

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Hauptverfasser:	KUISMANEN, Saara, SYRJÄRINNE, Jari Tapani, SÖDERHOLM, Stefan
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A method, apparatus and computer readable storage medium are provided to determine whether or not said at least one GNSS signal is potentially manipulated. In the context of a method, at least one global navigation satellite system, GNSS, signal related to a first GNSS system time is received. The method determines at least one system time difference between the first GNSS system time and a reference time at least partially based on said at least one GNSS signal. The method also obtains at least one reference system time difference and then determines, at least partially based on the at least one system time difference and the at least one reference system time difference, whether or not said at least one GNSS signal is potentially manipulated.