Keep Private Networks Private II: Wideband Secret Key Generation on a Real 5G NR Testbed

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Apr 08, 2026
Sachinkumar B. Mallikarjun, Christoph Lipps, Marvin Reski, Sneha Bhattacharjee, Andreas Weinand, Hans D. Schotten

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Secret key generation (SKG) from wireless channel reciprocity has been demonstrated on WiFi, LTE, and LoRaWAN, but has never been demonstrated on 5G New Radio (NR) Sounding Reference Signal (SRS) and CSI Reference Signal (CSIRS) measurements.

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