How to leverage double-structured sparsity of ris channels to boost physical-layer authentication

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dc.authorid0009-0001-2708-5425
dc.authorid0000-0001-9474-7372
dc.contributor.authorBendaimi, Amira
dc.contributor.authorAbdallah, Asmaa
dc.contributor.authorÇelik, Abdulkadir
dc.contributor.authorEltawil, Ahmed M.
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2024-11-05T06:42:41Z
dc.date.available2024-11-05T06:42:41Z
dc.date.issued2024
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractReconfigurable Intelligent Surfaces (RIS)-assisted systems are promising technology in next-generation wireless networks, but are susceptible to spoofing attacks due to their broadcast nature. This letter reveals the unique characteristics of RIS-aided multiple-input multiple-output (MIMO) systems, that improve channel entropy compared to conventional MIMO. By capitalizing on the additional paths introduced by the cascaded channel and the distinctive double-structured sparsity inherent in its virtual representation, we develop a novel channel-based physical layer authentication (PLA) approach. In particular, we construct a robust signature for authentication purposes by extracting the intrinsic RIS features of the virtual angle of arrivals and departures indices. Furthermore, the distribution of the digital signature is analyzed to derive analytical expressions for the false alarm and detection probabilities of the proposed scheme. Simulation results show that the proposed approach surpasses the limitations of previous works, with 14.89% and 72% authentication performance improvements in detection and false alarm rates, respectively.
dc.description.sponsorshipTürkiye Bilimsel ve Teknolojik Araştırma Kurumu (TÜBİTAK)en_US
dc.identifier.citationBendaimi, A., Abdallah, A., Çelik, A., Eltawil, A. M. ve Arslan, H. (2024). How to leverage double-structured sparsity of ris channels to boost physical-layer authentication. IEEE Wireless Communications Letters, 13(8), 2260-2264. http://dx.doi.org/10.1109/LWC.2024.3411108
dc.identifier.doi10.1109/LWC.2024.3411108
dc.identifier.endpage2264
dc.identifier.issn2162-2337
dc.identifier.issn2162-2345
dc.identifier.issue8
dc.identifier.scopus2-s2.0-85195408203
dc.identifier.scopusqualityQ1
dc.identifier.startpage2260
dc.identifier.urihttp://dx.doi.org/10.1109/LWC.2024.3411108
dc.identifier.urihttps://hdl.handle.net/20.500.12511/12854
dc.identifier.volume13
dc.identifier.wos001288996600053en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorBendaimi, Amira
dc.institutionauthorArslan, Hüseyin
dc.language.isoen
dc.relation.ispartofIEEE Wireless Communications Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/123E226
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectChannel Sparsity
dc.subjectPhysical Layer Authentication
dc.subjectRIS
dc.subjectSecurity
dc.subjectSpoofing Attack
dc.titleHow to leverage double-structured sparsity of ris channels to boost physical-layer authentication
dc.typeArticle

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