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arXiv · 2505.10932

Enhanced Multiuser CSI-Based Physical Layer Authentication Based on Information Reconciliation

Atsu Kokuvi Angélo Passah·Arsenia Chorti·Rodrigo C. de Lamare
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Abstract

This paper presents a physical layer authentication (PLA) technique using information reconciliation in multiuser communication systems. A cost-effective solution for low-end Internet of Things networks can be provided by PLA. In this work, we develop an information reconciliation scheme using Polar codes along with a quantization strategy that employs an arbitrary number of bits to enhance the performance of PLA. We employ the principle of Slepian-Wolf coding to reconcile channel measurements spread in time. Numerical results show that our approach works very well and outperforms competing approaches, achieving more than 99.80% increase in detection probability for false alarm probabilities close to 0.

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Atsu Kokuvi Angélo Passah, Arsenia Chorti, Rodrigo C. de Lamare. 2025-05-16. Enhanced Multiuser CSI-Based Physical Layer Authentication Based on Information Reconciliation. https://doi.org/10.1109/lwc.2024.3515840

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