Non-redundant OFDM receiver windowing for 5G frames and beyond

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dc.authorid0000-0001-9474-7372
dc.contributor.authorPeköz, Berker
dc.contributor.authorAnkaralı, Zekeriyya Esat
dc.contributor.authorKöse, Selçuk
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2020-04-21T08:09:04Z
dc.date.available2020-04-21T08:09:04Z
dc.date.issued2020
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractContemporary receiver windowed-orthogonal frequency division multiplexing (RW-OFDM) algorithms have limited adjacent channel interference (ACI) rejection capability under high delay spread and small fast Fourier transformation (FFT) sizes. Cyclic prefix (CP) is designed to be longer than the maximum excess delay (MED) of the channel to accommodate such algorithms in current standards. The robustness of these algorithms can only be improved against these conditions by adopting additional extensions in a new backward incompatible standard. Such extensions would deteriorate the performance of high mobility vehicular communication systems in particular. In this paper, we present a low-complexity Hann RW-OFDM scheme that provides resistance against ACI without requiring any intersymbol interference (ISI)-free redundancies. While this scheme is backward compatible with current and legacy standards and requires no changes to the conventionally transmitted signals, it also paves the way towards future spectrotemporally localized and efficient schemes suitable for higher mobility vehicular communications. A Hann window effectively rejects unstructured ACI at the expense of structured and limited inter-carrier interference (ICI) across data carriers. A simple maximum ratio combining (MRC)-successive interference cancellation (SIC) receiver is therefore proposed to resolve this induced ICI and receive symbols transmitted by standard transmitters currently in use. The computational complexity of the proposed scheme is comparable to that of contemporary RW-OFDM algorithms, while ACI rejection and bit-error rate (BER) performance is superior in both long and short delay spreads. Channel estimation using Hann RW-OFDM symbols is also discussed.
dc.description.sponsorshipNational Science Foundation (NSF)en_US
dc.identifier.citationPeköz, B., Ankaralı, Z. E., Köse, S. ve Arslan, H. (2020). Non-redundant OFDM receiver windowing for 5G frames and beyond. IEEE Transactions on Vehicular Technology, 69(1), 676-684. https://dx.doi.org/10.1109/TVT.2019.2953233
dc.identifier.doi10.1109/TVT.2019.2953233
dc.identifier.endpage684
dc.identifier.issn0018-9545
dc.identifier.issn1939-9359
dc.identifier.issue1
dc.identifier.scopusqualityQ1
dc.identifier.startpage676
dc.identifier.urihttps://hdl.handle.net/20.500.12511/5185
dc.identifier.urihttps://dx.doi.org/10.1109/TVT.2019.2953233
dc.identifier.volume69
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.ecinfo:eu-repo/grantAgreement/EC/FP7/1609581
dc.relation.ispartofIEEE Transactions on Vehicular Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject5G Mobile Communication
dc.subjectInterference Cancellation
dc.subjectInterference Elimination
dc.subjectMultiple Access Interference
dc.subjectNumerology
dc.titleNon-redundant OFDM receiver windowing for 5G frames and beyond
dc.typeArticle

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