GNSS Interference: Situational Awareness and LEO Backup

This research has addressed the major goals of the Center for Automated Vehicle Research with Multimodal AssurEd Navigation (CARMEN+) University Transportation Center (UTC), mainly in (1) identifying and analyzing existing and emerging cybersecurity threats to highly HATS, and (2) developing and experimentally verifying cyber-resilient mitigation methods. Global navigation satellite system (GNSS) is fragile: its service is easily denied by jammers or deceived by spoofers. The civilian aviation and maritime industries are seeing significant electronic warfare spillover from nearby conflict zones. A technique was developed and experimentally verified to geolocate GNSS spoofers with a single-satellite from Low Earth Orbit (LEO). Additionally, the authors have been studying the possibility of using signals from mega constellations of LEO satellites designed for broadband communications as a backup to traditional GNSS for position, navigation, and timing (PNT). The findings are presented in this report. Commercial partnerships with existing LEO constellations can be fruitful, as they can provide near real-time GNSS interference monitoring and can serve as backup PNT services when GNSS is denied.

• Record URL:
  • https://utc.engineering.osu.edu/media/document/2024-09-30/carmen_utc_y1_project_final_report_humphreys_todd_access-check.pdf
• Record URL:
  • https://rosap.ntl.bts.gov/view/dot/77823
• Supplemental Notes:
  • This document was sponsored by the U.S. Department of Transportation, University Transportation Centers Program.
• Corporate Authors:

  University of Texas at Austin

  Austin, TX  United States  78712

  Ohio State University

  Columbus, OH  United States 

  Center for Automated Vehicle Research with Multimodal Assured Navigation

  Ohio State University
  Columbus, OH  United States  43210

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590

  Office of the Assistant Secretary for Research and Technology

  Department of Transportation
  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Humphreys, Todd E
  • Clements, Zachary L
  • Qin, Wenkai
• Publication Date: 2024-9-30

Language

• English

Media Info

• Media Type: Digital/other
• Edition: Final Report
• Features: Figures; Photos; References;
• Pagination: 45p

Subject/Index Terms

• TRT Terms: Antennas; Communications satellites; Computer security; Frequency spectra; Interference; Satellite communication
• Identifier Terms: Global Navigation Satellite System
• Subject Areas: Data and Information Technology; Security and Emergencies; Transportation (General);

Filing Info

• Accession Number: 01934712
• Record Type: Publication
• Contract Numbers: 69A3552348327
• Files: UTC, NTL, TRIS, USDOT
• Created Date: Oct 22 2024 3:48PM