Randomized beamforming with generalized selection transmission for security enhancement in MISO wiretap channels

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dc.authorid0000-0002-8470-1482
dc.contributor.authorSoltani, Morteza
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned10.07.201910:49:13
dc.date.accessioned2019-07-10T19:56:15Z
dc.date.available10.07.201910:49:13
dc.date.available2019-07-10T19:56:15Z
dc.date.issued2018
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.descriptionWOS: 000426617400001
dc.description.abstractTransmit beamforming (TBF) has been proposed as an effective approach to enhance the security performance of multiple-input single-output (MISO) wiretap channels. However, this secrecy enhancement comes at some expenses, such as power consumption and the amount of signal processing. In addition, in block fading channels, TBF fails to deliver secure communication against intelligent eavesdroppers equipped with advanced channel estimation techniques. Considering these issues associated with TBF, we propose and study randomized beamforming with generalized selection transmission (RBF/GST) to enhance physical layer security in MISO wiretap channels. With GST, Q antennas out of N antennas are selected at the transmitter to maximize the signal to noise ratio at the legitimate receiver. Moreover, RBF is responsible for delivering secure communications in the presence of advanced eavesdroppers. We characterize the physical layer secrecy of RBF/GST under passive and active eavesdropping scenarios, via our closed-form expressions for the ergodic secrecy rate and the exact and asymptotic secrecy outage probabilities. We demonstrate that RBF/GST can effectively improve communication secrecy with a reasonable amount of signal processing and power consumption.
dc.description.sponsorshipScientific and Technological Research Council of Turkey [114E244]en_US
dc.description.sponsorshipThis work was supported by the Scientific and Technological Research Council of Turkey under Grant 114E244.en_US
dc.identifier.citationSoltani, M. ve Arslan, H. (2018). Randomized beamforming with generalized selection transmission for security enhancement in MISO wiretap channels. IEEE Access, 6, 5589-5595. https://dx.doi.org/10.1109/ACCESS.2017.2789162
dc.identifier.doi10.1109/ACCESS.2017.2789162
dc.identifier.endpage5595
dc.identifier.issn2169-3536
dc.identifier.scopusqualityQ1
dc.identifier.startpage5589
dc.identifier.urihttps://dx.doi.org/10.1109/ACCESS.2017.2789162
dc.identifier.urihttps://hdl.handle.net/20.500.12511/2637
dc.identifier.volume6
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIEEE-Inst Electrical Electronics Engineers Inc
dc.relation.ecinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/114E244
dc.relation.ispartofIEEE Accessen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectPhysical Layer Security
dc.subjectMISO Wiretap Channels
dc.subjectRandomized Beamforming
dc.titleRandomized beamforming with generalized selection transmission for security enhancement in MISO wiretap channels
dc.typeArticle

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