Physical layer security for visible light communication in reflected indoor environments with inter-symbol interference

dc.authorid0000-0001-9474-7372
dc.contributor.authorAlbayrak, Cenk
dc.contributor.authorÇetinkaya, Şinasi
dc.contributor.authorTürk, Kadir
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2023-05-23T11:42:23Z
dc.date.available2023-05-23T11:42:23Z
dc.date.issued2023
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractVisible light communication (VLC) is a promising technology for next-generation indoor wireless broadband communication systems. Physical layer security (PLS) is one proposed method to ensure data security for VLC in public areas. However, most PLS studies in the literature neglect the reflections in the VLC channel and do not consider inter-symbol interference (ISI). This paper investigates the ISI effects on the secrecy rate in multiple-input single-output VLC systems where the reflections are not neglected for the cases of perfect and imperfect knowledge of the eavesdropper's channel state information. We aim to compensate for the ISI effects by designing zero-forcing (ZF) and artificial noise (AN) beamformers. In addition, we formulate optimization problems to maximize the secrecy rate resulting in non-convex and NP-hard problems. Thus, we utilize the particle swarm optimization algorithm for solutions and also convert non-convex optimization problems into easily solvable linear problems. Furthermore, robust ZF and AN beamformers for the worst-case scenario are considered for the cases of ISI and no ISI. The results reveal that ISI severely degrades the secrecy rate; however, well-designed beamformers can reverse the ISI effects.
dc.identifier.citationAlbayrak, C., Çetinkaya, Ş., Türk, K. ve Arslan, H. (2023). Physical layer security for visible light communication in reflected indoor environments with inter-symbol interference. IEEE Transactions on Information Forensics and Security, 18, 2709-2722. https://doi.org/10.1109/TIFS.2023.3268883
dc.identifier.doi10.1109/TIFS.2023.3268883
dc.identifier.endpage2722
dc.identifier.issn1556-6013
dc.identifier.issn1556-6021
dc.identifier.scopus2-s2.0-85153793882
dc.identifier.scopusqualityQ1
dc.identifier.startpage2709
dc.identifier.urihttps://doi.org/10.1109/TIFS.2023.3268883
dc.identifier.urihttps://hdl.handle.net/20.500.12511/10957
dc.identifier.volume18
dc.identifier.wos000981885300007en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorArslan, Hüseyin
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE Transactions on Information Forensics and Securityen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectBeamforming
dc.subjectInter-Symbol Interference
dc.subjectPhysical Layer Security
dc.subjectSecrecy Rate Maximization
dc.subjectVisible Light Communication
dc.titlePhysical layer security for visible light communication in reflected indoor environments with inter-symbol interference
dc.typeArticle

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