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GNSS Receiver Identification Using Clock-Derived Metrics.

Daniele Borio1, Ciro Gioia2, Eduardo Cano Pons3

  • 1European Commission, Joint Research Centre (JRC), Directorate for Space, Security and Migration, 21027 Ispra (VA), Italy. daniele.borio@ec.europa.eu.

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Summary
This summary is machine-generated.

Authenticating Global Navigation Satellite System (GNSS) data is crucial for transportation safety. Receiver fingerprinting using clock-derived metrics offers a time-effective solution, identifying receivers with just three intrinsic features.

Keywords:
Global Navigation Satellite System (GNSS)featuresfingerprintingreceiver identificationsecurity

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Area of Science:

  • Navigation Systems
  • Signal Processing
  • Cybersecurity

Background:

  • Falsified Global Navigation Satellite System (GNSS) data poses significant safety and economic risks in transportation.
  • Position, Velocity, and Time (PVT) data are critical for regulatory enforcement in many applications.
  • Authenticating the source of PVT data is essential to mitigate threats from data faking.

Purpose of the Study:

  • To investigate the potential of clock-derived metrics for GNSS receiver fingerprinting.
  • To develop a countermeasure against GNSS data falsification.
  • To verify the authenticity of GNSS receivers and their data.

Main Methods:

  • Implemented a filter approach for feature selection.
  • Utilized clock-derived metrics for receiver fingerprinting.
  • Analyzed experimental data to identify intrinsic features.

Main Results:

  • Identified three intrinsic features sufficient for GNSS receiver identification.
  • Demonstrated the time-effectiveness of the technique.
  • Showed that approximately 40-minute data blocks yield stable fingerprinting features.

Conclusions:

  • Clock-derived metrics provide a viable method for GNSS receiver fingerprinting.
  • The proposed technique is efficient and effective for authenticating GNSS data sources.
  • This approach enhances the security of transportation systems relying on GNSS data.