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InfoResearchPeer-reviewed
Information Bottleneck-Driven Cross-Receiver RF Fingerprinting for Physical-Layer Security
- Published
- Record updated
Summary
Researchers propose an information-theoretic framework for cross-receiver radio frequency fingerprinting (RFF), a physical-layer device authentication technique. The method uses a lightweight frequency-aware network (FAN) with the information bottleneck (IB) principle to learn compact, discriminative features without receiver labels. On the WiSig dataset it consistently outperforms existing methods in cross-receiver and cross-receiver-and-day settings, and it is further validated on the LoRa dataset.