Inter-numerology interference in OFDM-IM systems

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dc.authorid0000-0002-5471-2703
dc.authorid0000-0001-9579-9342
dc.authorid0000-0001-9474-7372
dc.contributor.authorDoğan Tusha, Seda
dc.contributor.authorTusha, Armed
dc.contributor.authorBaşar, Ertuğrul
dc.contributor.authorAlthunibat, Saud
dc.contributor.authorQaraqe, Khalid
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2021-10-14T11:20:46Z
dc.date.available2021-10-14T11:20:46Z
dc.date.issued2021
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractIn 5G and beyond communication systems, distinct numerologies can coexist to serve diverse requirements for users and applications. However, the inter-numerology interference (INI) is a main challenge that significantly impacts the system performance. Therefore, the performance under INI has become an essential evaluation metric for the suitability of the different transmission schemes in the future communication systems. This paper analyzes the impact of INI on the performance of orthogonal frequency division multiplexing with index modulation (OFDM-IM) systems. Specifically, an analytical expression of the INI level in OFDM-IM systems is presented as a function of the subcarrier activation ratio (SAR) and subcarrier activation probability (SAP). Furthermore, aiming at reducing the INI level, an adaptive subcarrier mapping scheme (SMS) is proposed based on the conventional combinatorial mapping scheme. Moreover, analysis and evaluation of SAR and SAP are performed regarding the requirements of 5G and beyond services. It is proved that the INI level in OFDM-IM systems is highly dependent not only on the number of active subcarriers but also on their position in an OFDM block.
dc.description.sponsorshipQatar National Research Funden_US
dc.identifier.citationDoğan Tusha, S., Tusha, A., Başar, E., Althunibat, S., Qaraqe, K. ve Arslan, H. (2021). Inter-numerology interference in OFDM-IM systems. IET Communications, 15(15), 1941-1949. https://dx.doi.org/10.1049/cmu2.12206
dc.identifier.doi10.1049/cmu2.12206
dc.identifier.endpage1949
dc.identifier.issn1751-8628
dc.identifier.issn1751-8636
dc.identifier.issue15
dc.identifier.scopusqualityQ2
dc.identifier.startpage1941
dc.identifier.urihttps://dx.doi.org/10.1049/cmu2.12206
dc.identifier.urihttps://hdl.handle.net/20.500.12511/8451
dc.identifier.volume15
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofIET Communicationsen_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.subjectOFDM-IM Systems
dc.subjectInterference
dc.subjectNumerology
dc.titleInter-numerology interference in OFDM-IM systems
dc.typeArticle

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