Enhanced Multiuser CSI-Based Physical Layer Authentication Based on Information Reconciliation
By: Atsu Kokuvi Angélo Passah, Arsenia Chorti, Rodrigo C. de Lamare
Potential Business Impact:
Secures internet gadgets from hackers.
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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