J. Querol, Adriano Camps, Esteban Garbin Manfredini, R. Piriz
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An anti-jamming system for GNSS timing applications
Radio-Frequency Interference (RFI) and jamming are increasing problems for timing applications based on Global Navigation Satellite Systems (GNSS). FENIX-lite is a real-time pre-correlation anti-jamming system designed to provide increased resilience against RFI/jamming in critical GNSS-enabled applications. This work aims to evaluate the combined performance of FENIX-lite and a timing setup composed by two GNSS disciplined oscillators named DOWR. The results show that FENIX provides an anti-jamming resilience of 10–30 dB, at the expense of introducing a small bias and an additional jitter of 2-4 ns.
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