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Article Dans Une Revue Analog Integrated Circuits and Signal Processing Année : 2017

Secret key generation scheme from WiFi and LTE reference signals

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Résumé

Physical layer security has emerged as a promising approach to strengthen security of wireless communications. Particularly, extracting secret keys from channel randomness has attracted an increasing interest from both academic and industrial research groups. In this paper, we present a complete implantation of a secret key generation (SKG) protocol which is compliant with existing widespread Radio Access Technologies. This protocol performs the quantization of the channel state information, then information reconciliation and privacy amplification. We also propose an innovative algorithm to reduce the correlation between quantized channel coefficients that significantly improves the reliability and the resilience of the complete SKG scheme. Finally we assess the performance of our protocol by evaluating the quality of secret keys generated in various propagation environments from real single sense LTE signals, and real single and dual sense WiFi signals.
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Dates et versions

hal-02287588 , version 1 (13-09-2019)

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Christiane L. Kameni Ngassa, Renaud Molière, François Delaveau, Alain Sibille, Nir Shapira. Secret key generation scheme from WiFi and LTE reference signals. Analog Integrated Circuits and Signal Processing, 2017, ⟨10.1007/s10470-017-0941-3⟩. ⟨hal-02287588⟩
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