Channel randomness-based adaptive cyclic prefix selection for secure OFDM system

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dc.authorid0000-0002-5651-2713
dc.authorid0000-0001-9474-7372
dc.contributor.authorNaderi, Sanaz
dc.contributor.authorda Costa, Daniel Benevides
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2022-06-24T05:53:31Z
dc.date.available2022-06-24T05:53:31Z
dc.date.issued2022
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractA novel method for cyclic prefix (CP) adaptation based on wireless channel randomness is proposed for orthogonal frequency-division multiplexing (OFDM) systems in urban areas. Especially, a quantization algorithm and an adaptive window-based strong subcarriers selection are designed on the sorted channel frequency response of the legitimate party to select randomly the secure CP (SCP) length for each OFDM symbol without the need to share any information between legitimate nodes. The proposed method creates a problem for illegitimate user's synchronization as it does not have any information about SCP length for every OFDM symbol, even if it uses blind synchronization techniques. The effectiveness of the proposed mechanism is evaluated through representative metrics, such as bit error rate (BER), throughput in both perfect and imperfect channel estimation scenarios, mismatch probability (MP), and cyclic autocorrelation function (CAF). Also, the performance for the presence of a correlated eavesdropper (Eve) in the system is evaluated. Simulation results show a huge secrecy gap between BER and throughput performance of legitimate and illegitimate users in all scenarios.
dc.identifier.citationNaderi, S., da Costa, D. B. ve Arslan, H. (2022). Channel randomness-based adaptive cyclic prefix selection for secure OFDM system. IEEE Wireless Communications Letters, 11(6), 1220-1224. http://doi.org/10.1109/LWC.2022.3161397
dc.identifier.doi10.1109/LWC.2022.3161397
dc.identifier.endpage1224
dc.identifier.issn2162-2337
dc.identifier.issn2162-2345
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85127078654
dc.identifier.scopusqualityQ1
dc.identifier.startpage1220
dc.identifier.urihttp://doi.org/10.1109/LWC.2022.3161397
dc.identifier.urihttps://hdl.handle.net/20.500.12511/9534
dc.identifier.volume11
dc.identifier.wos000808068800026en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorNaderi, Sanaz
dc.institutionauthorArslan, Hüseyin
dc.language.isoen
dc.publisherIEEE-Institute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE Wireless Communications Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectChannel Randomness-Dependent Cyclic Prefix Selection
dc.subjectCorrelated Eavesdropper
dc.subjectOFDM
dc.subjectPhysical Layer Security
dc.subjectSecure Adaptive Cyclic Prefix Length
dc.subjectTDD
dc.titleChannel randomness-based adaptive cyclic prefix selection for secure OFDM system
dc.typeArticle

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