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Blind Spoofing GNSS Constellation Detection Using a Multi-Antenna Snapshot Receiver.

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Summary
This summary is machine-generated.

This study presents a multi-antenna receiver to detect global navigation satellite system (GNSS) signal spoofing. The system successfully identifies spoofed signals, enhancing positioning system security.

Keywords:
GNSSantenna arraybeamformingserver-based processing

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Area of Science:

  • Navigation Systems
  • Signal Processing
  • Cybersecurity

Background:

  • Global Navigation Satellite System (GNSS) signals are vulnerable to spoofing, which compromises positioning accuracy and security.
  • Existing detection methods require improvement to effectively counter sophisticated spoofing attacks.

Purpose of the Study:

  • To develop and evaluate a multi-antenna snapshot receiver for detecting GNSS signal spoofing.
  • To analyze spatial similarities in array steering vectors for spoofing detection.

Main Methods:

  • Utilized a multi-antenna receiver to capture signal snapshots.
  • Analyzed spatial similarities of array steering vectors using subset methods, Eigen-decomposition, and clustering algorithms.
  • Developed system-level detectors based on these analyses.

Main Results:

  • Successfully detected spoofed GNSS satellite constellations under controlled conditions.
  • System-level detectors demonstrated superior performance compared to pair-wise methods.
  • Achieved perfect detection in a controlled test setup, indicating high potential.

Conclusions:

  • The multi-antenna approach provides a viable method for detecting GNSS spoofing attacks.
  • Identified key detection metrics and features for blind spoofing detection using antenna arrays.
  • Findings pave the way for advanced multi-detector systems for enhanced navigation security.