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Spoofing Detection Algorithm Based on Pseudorange Differences.

Ke Liu1, Wenqi Wu2, Zhijia Wu3

  • 1College of Artificial Intelligence, National University of Defense Technology, Changsha 410073, China. kevin880205@163.com.

Sensors (Basel, Switzerland)
|September 26, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a novel anti-spoofing algorithm for Global Navigation Satellite Systems (GNSS). The algorithm effectively detects spoofing interference using pseudorange differences from a single receiver, enhancing navigation security.

Keywords:
anti-spoofing technologyintermediate attackmeaconing attackpseudorange differencesimplistic attacksingle receiver

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Area of Science:

  • Navigation Systems
  • Signal Security
  • Interference Detection

Background:

  • Spoofing interference poses a significant threat to Global Navigation Satellite Systems (GNSS) and navigation terminals.
  • Existing methods may not effectively detect all types of spoofing attacks, including meaconing.

Purpose of the Study:

  • To propose and validate a novel anti-spoofing algorithm for GNSS receivers.
  • To enhance the security and reliability of navigation systems against intentional interference.

Main Methods:

  • Development of an anti-spoofing algorithm utilizing pseudorange differences from a single receiver.
  • Establishment of double-difference models with Taylor expansion for satellite-receiver/spoofer positioning.
  • Comparison of the proposed algorithm's results with the traditional least squares method for authenticity verification.

Main Results:

  • The proposed algorithm successfully detects simplistic, intermediate, and meaconing spoofing attacks.
  • Simulation and experimental results using the TEXBAT dataset and a NovAtel receiver validate the algorithm's effectiveness.
  • The algorithm demonstrates feasibility and effectiveness in identifying signal authenticity deviations.

Conclusions:

  • The developed algorithm offers a simple and efficient solution for GNSS anti-spoofing.
  • It requires only a single receiver and pseudorange data, making it practical for various applications.
  • The findings contribute to improving the security and resilience of GNSS against spoofing threats.