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Related Experiment Video

Updated: Jan 19, 2026

Three-Dimensional Ultrasonic Needle Tip Tracking with a Fiber-Optic Ultrasound Receiver
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A GPS Spoofing Generator Using an Open Sourced Vector Tracking-Based Receiver.

Qian Meng1, Li-Ta Hsu2, Bing Xu3

  • 1Interdisciplinary Division of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University, Hong Kong. qian2019.meng@polyu.edu.hk.

Sensors (Basel, Switzerland)
|September 19, 2019
PubMed
Summary
This summary is machine-generated.

A new spoofing generator for Global Positioning System (GPS) signals uses a software-defined receiver to effectively mislead autonomous vehicles. This method aids in developing advanced anti-spoofing techniques for critical navigation systems.

Keywords:
GPSautonomous vehiclesspoofing generatorvector tracking

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Area of Science:

  • Navigation Systems
  • Signal Processing
  • Cybersecurity

Background:

  • Spoofing attacks pose a significant threat to Global Positioning System (GPS) reliability in critical applications like autonomous vehicle navigation.
  • Existing commercial spoofing generators are costly and complex to implement, hindering research and development of countermeasures.
  • Effective spoofing generation is crucial for assessing attack vulnerabilities and advancing anti-spoofing strategies.

Purpose of the Study:

  • To develop an affordable and accessible GPS spoofing generator for research and development of anti-spoofing methods.
  • To create a system capable of modifying GPS signals by canceling authentic signals and introducing fabricated ones.
  • To enable the assessment of spoofing threats in safety-critical GPS applications.

Main Methods:

  • A vector tracking-based software-defined receiver is employed to create the spoofing generator.
  • The system establishes connections between spreading codes, carriers, and victim receiver states via vector tracking.
  • Raw GPS signals are modified by canceling the actual signal and adding a spoofing signal component along a designed trajectory.

Main Results:

  • The proposed spoofing generator successfully misled a victim receiver to a predetermined trajectory.
  • The spoofing attack did not cause abnormal changes in tracking channels or positioning observations, indicating high concealment.
  • The generated spoofing signals were difficult for current anti-spoofing methods to detect, covering all visible satellites.

Conclusions:

  • The developed vector tracking-based software-defined receiver offers a cost-effective and programmable solution for GPS spoofing generation.
  • This method provides a valuable tool for advancing anti-spoofing research and enhancing the security of safety-critical GPS applications.
  • The open-source nature of the software-defined receiver facilitates diverse research into countermeasures for various Global Navigation Satellite System (GNSS) signals.