Known-Interference Cancellation in Cooperative Jamming: Experimental Evaluation and Benchmark Algorithm Performance

Karel Parlin, Taneli Riihonen, Matias Turunen, Vincent Le Nir, Marc Adrat

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

Physical layer security is a sought-after concept to complement the established upper layer security techniques in wireless communications. An appealing approach to achieve physical layer security is to use cooperative jamming with interference that is known to and suppressible by the legitimate receiver but unknown to, and hence not suppressible by, the eavesdropper. Suppressing known interference (KI), however, is challenging due to the numerous unknowns, including carrier and sampling frequency offsets, that impact its reception. This letter presents a measurement campaign that captures this challenge and then demonstrates the feasibility of solving that challenge by cancelling the KI using the frequency offsets least mean squares (FO-LMS) algorithm. Results show that KI suppression directly improves processing the signal-of-interest and that cooperative jamming effectively provides security at the physical layer.

langue originaleAnglais
Pages (de - à)1598-1602
Nombre de pages5
journalIEEE Wireless Communications Letters
Volume12
Numéro de publication9
Les DOIs
étatPublié - 1 sept. 2023

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