SENTINEL – Uplink JCAS for Jamming Detection & Geolocation in LEO NTN

Role: Co-Principal Investigator (SnT – SIGCOM / 6GSPACE Lab)
Funding: FNR Joint Call Defense (with OQ Technology)
Official Page: uni.lu/snt-en/research-projects/sentinel/

Executive Summary

SENTINEL is a defense research project funded under the FNR Joint Call Defense programme in partnership with OQ Technology. The project leverages Joint Communications and Sensing (JCAS) on 5G-NTN Low Earth Orbit (LEO) satellite uplinks to detect, classify, and geolocate malicious interference sources and authenticate legitimate ground terminals.

Key Objectives & Contributions

• Uplink Jammer Detection & Geolocation: Real-time sensing of broadband uplink jammers, reactive PRACH jammers, and pilot spoofing attacks from LEO payloads.
• Motion-Adaptive 5D Physical Authentication: Exploiting spatial, temporal, frequency (Doppler), delay, and polarization signatures to verify terminal authenticity under high-mobility satellite passes.

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