Channel-dependent code allocation for downlink MC-CDMA system aided physical layer security

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dc.authorid0000-0002-1256-0203
dc.authorid0000-0001-9474-7372
dc.contributor.authorSalman, Hanadi
dc.contributor.authorNader, Sanaz
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2022-10-03T10:59:34Z
dc.date.available2022-10-03T10:59:34Z
dc.date.issued2022
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractSpreading codes are the core of the spread spectrum transmission. In this paper, a novel channel-dependent code allocation procedure for enhancing security in multi-carrier code division multiple access (MC-CDMA) system is proposed and investigated over frequency-selective fading. The objective of the proposed technique is to assign the codes to every subcarrier of active/legitimate receivers (Rxs) based on their channel frequency response (CFR). By that, we ensure security for legitimate Rxs against eavesdropping while preserving mutual confidentiality between the legitimate Rxs themselves. To do so, two assigning modes; fixed assigning mode (FAM) and adaptive assigning mode (AAM), are exploited. The effect of the channel estimation error and the number of legitimate Rxs on the bit error rate (BER) performance is studied. The presented simulations show that AAM provides better security with a complexity trade-off compared to FAM. While the latter is more robust against the imperfection of channel estimation.
dc.description.sponsorshipHuawei ; Nokia ; Pix Moving ; Samsung ; Technology Innovation Institute (TII)en_US
dc.identifier.citationSalman, H., Nader, S. ve Arslan, H. (2022). Channel-dependent code allocation for downlink MC-CDMA system aided physical layer security. IEEE 95th Vehicular Technology Conference: (VTC-Spring). Helsinki, Finland, 19-22 June 2022. https://dx.doi.org/10.1109/VTC2022-Spring54318.2022.9860559
dc.identifier.doi10.1109/VTC2022-Spring54318.2022.9860559
dc.identifier.isbn9781665482431
dc.identifier.issn1550-2252
dc.identifier.scopus2-s2.0-85137798685
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://dx.doi.org/10.1109/VTC2022-Spring54318.2022.9860559
dc.identifier.urihttps://hdl.handle.net/20.500.12511/9783
dc.identifier.wos000861825801010en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorSalman, Hanadi
dc.institutionauthorNader, Sanaz
dc.institutionauthorArslan, Hüseyin
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE 95th Vehicular Technology Conference: (VTC-Spring)en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/120C142
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectCode Assignment
dc.subjectFrequency Selective Fading
dc.subjectMC-CDMA
dc.subjectPhysical Layer Security
dc.subjectSpreading Code
dc.titleChannel-dependent code allocation for downlink MC-CDMA system aided physical layer security
dc.typeConference Object

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