Cross-Receiver Generalization for RF Fingerprint Identification via Feature Disentanglement and Adversarial Training

• URL: http://arxiv.org/abs/2510.09405v1
• Date: Fri, 10 Oct 2025 14:01:05 GMT
• Title: Cross-Receiver Generalization for RF Fingerprint Identification via Feature Disentanglement and Adversarial Training
• Authors: Yuhao Pan, Xiucheng Wang, Nan Cheng, Wenchao Xu,
• Abstract summary: Radio frequency fingerprint identification (RFFI) is a critical technique for wireless network security.<n>Deep neural networks have shown remarkable capability in extracting discriminative features, but real-world deployment is hindered by receiver-induced variability.<n>We propose an RFFI framework robust to cross-receiver variability, integrating adversarial training and style transfer to explicitly disentangle transmitter and receiver features.<n>Our approach consistently outperforms state-of-the-art baselines, achieving up to a 10% improvement in average accuracy across diverse receiver settings.
• Score: 29.396203071880905
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Radio frequency fingerprint identification (RFFI) is a critical technique for wireless network security, leveraging intrinsic hardware-level imperfections introduced during device manufacturing to enable precise transmitter identification. While deep neural networks have shown remarkable capability in extracting discriminative features, their real-world deployment is hindered by receiver-induced variability. In practice, RF fingerprint signals comprise transmitter-specific features as well as channel distortions and receiver-induced biases. Although channel equalization can mitigate channel noise, receiver-induced feature shifts remain largely unaddressed, causing the RFFI models to overfit to receiver-specific patterns. This limitation is particularly problematic when training and evaluation share the same receiver, as replacing the receiver in deployment can cause substantial performance degradation. To tackle this challenge, we propose an RFFI framework robust to cross-receiver variability, integrating adversarial training and style transfer to explicitly disentangle transmitter and receiver features. By enforcing domain-invariant representation learning, our method isolates genuine hardware signatures from receiver artifacts, ensuring robustness against receiver changes. Extensive experiments on multi-receiver datasets demonstrate that our approach consistently outperforms state-of-the-art baselines, achieving up to a 10% improvement in average accuracy across diverse receiver settings.

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