Static cyclic prefix alignment for OFDM-based waveforms

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dc.authorid0000-0001-9474-7372
dc.contributor.authorAnkaralı, Zekeriyya Esat
dc.contributor.authorŞahin, Alphan
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned10.07.201910:49:13
dc.date.accessioned2019-07-10T19:38:00Z
dc.date.available10.07.201910:49:14
dc.date.available2019-07-10T19:38:00Z
dc.date.issued2016
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractThe cyclic prefix (CP) alignment is an appealing technique for achieving multiple goals such as peak-to-average power ratio (PAPR) reduction, out-of-band (OOB) leakage suppression, and physical layer (PHY) security. It generates a perturbation signal which is aligned with the CP duration of orthogonal frequency division multiplexing (OFDM) symbols after it passes through the channel. The original method requires exact channel state information (CSI) at the transmitter to maintain perfect alignment. However, in practice, CSI may be erroneous due to the imperfect channel estimation and aged by the time that it is available at transmitter due to mobility. Thus, the alignment signal may not be exactly aligned with CP duration with the original method and interfere the data symbols. In this study, in order to address this challenge, we propose a method, called static CP alignment, which achieves the alignment regardless of the CSI by partially using the CP duration for the alignment purpose. Unlike the original CP alignment approach, the proposed technique eliminates the need of strong frequency selective multipath channel and achieves enhancements in waveform characteristics under any medium conditions.
dc.description.sponsorshipIEEE Communications Societyen_US
dc.description.sponsorshipInstitute of Electrical and Electronics Engineersen_US
dc.identifier.citationAnkaralı, Z., Şahin, A. ve Arslan, H. (2016). Static cyclic prefix alignment for OFDM-based waveforms. IEEE-Communications-Society Global Communications Conference on Trusted Communications with Physical Layer Security (IEEE GLOBECOM). Washington: United States, December 4-8, 2016. https://dx.doi.org/10.1109/GLOCOMW.2016.7849051
dc.identifier.doi10.1109/GLOCOMW.2016.7849051
dc.identifier.isbn9781509024827
dc.identifier.issn2166-0069
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://hdl.handle.net/20.500.12511/1516
dc.identifier.urihttps://dx.doi.org/10.1109/GLOCOMW.2016.7849051
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE-Communications-Society Global Communications Conference on Trusted Communications with Physical Layer Security (IEEE GLOBECOM)en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectCP Alignment
dc.subjectOFDM
dc.subjectOOB Leakage
dc.subjectPAPR
dc.subjectPHY Layer Security
dc.titleStatic cyclic prefix alignment for OFDM-based waveforms
dc.typeConference Object

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