Guard band reduction for 5G and beyond multiple numerologies

dc.authorid0000-0001-5137-8511
dc.authorid0000-0001-6849-3161
dc.authorid0000-0001-9474-7372
dc.contributor.authorMemişoğlu, Ebubekir
dc.contributor.authorKihero, Abuu Bakari
dc.contributor.authorBaşar, Ertuğrul
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2020-04-14T08:13:00Z
dc.date.available2020-04-14T08:13:00Z
dc.date.issued2020
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractThe existence of inter-numerology interference (INI) is a major drawback for the flexible multi-numerology frame structure proposed for the upcoming fifth generation New Radio (5G-NR). Insertion of a guard band (GB) between adjacent numerologies has been widely used in the literature as one of the effective ways to reduce the INI. However, the conventional way of implementing GBs is inefficient in terms of spectrum usage. In this letter, we exploit the inherent INI characteristics of the scalable multi-numerology structure to propose a more spectrally efficient way of implementing GBs. It is shown through simulations that the proposed GB insertion technique enhances the GB utilization up to 50% while achieving the same bit error rate performance as the conventionally implemented GB.
dc.description.sponsorship218E035en_US
dc.identifier.citationMemişoğlu, E., Kihero, A. B., Başar, E. ve Arslan, H. (2020). Guard band reduction for 5g and beyond multiple numerologies. IEEE Communications Letters, 24(3), 644-647. https://dx.doi.org/10.1109/LCOMM.2019.2963311
dc.identifier.doi10.1109/LCOMM.2019.2963311
dc.identifier.endpage647
dc.identifier.issn1089-7798
dc.identifier.issn1558-2558
dc.identifier.issue3
dc.identifier.scopusqualityQ1
dc.identifier.startpage644
dc.identifier.urihttps://hdl.handle.net/20.500.12511/5112
dc.identifier.urihttps://dx.doi.org/10.1109/LCOMM.2019.2963311
dc.identifier.volume24
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIEEE
dc.relation.ispartofIEEE Communications Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/218E035
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject5G New Radio
dc.subjectGuard Band
dc.subjectINI
dc.subjectMixed Numerologies
dc.subjectSpectral Efficiency
dc.titleGuard band reduction for 5G and beyond multiple numerologies
dc.typeArticle

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