A comprehensive experimental emulation for OTFS waveform RF-Impairments

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dc.authorid0000-0002-0536-4159
dc.authorid0000-0001-9474-7372
dc.contributor.authorAbushattal, Abdelrahman
dc.contributor.authorZegrar, Salah Eddine
dc.contributor.authorYazgan, Ayhan
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2023-01-20T08:10:18Z
dc.date.available2023-01-20T08:10:18Z
dc.date.issued2023
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractThe orthogonal time-frequency space (OTFS) waveform exceeds the challenges that face orthogonal frequency division multiplexing (OFDM) in a high-mobility environment with high time-frequency dispersive channels. Since radio frequency (RF) impairments have a direct impact on waveform behavior, this paper investigates the experimental implementation of RF-impairments that affect OTFS waveform performance and compares them to the OFDM waveform as a benchmark. Firstly, the doubly-dispersive channel effect is analyzed, and then an experimental framework is established for investigating the impact of RF-impairments, including non-linearity, carrier frequency offset (CFO), I/Q imbalances, DC-offset, and phase noise are considered. The experiments were conducted in a real indoor wireless environment using software-defined radio (SDR) at carrier frequencies of (Formula presented.) GHz and 5 GHz based on the Keysight EXG X-Series devices. The comparison of the performances of OFDM and OTFS in the presence of RF-impairments reveals that OTFS significantly outperforms OFDM.
dc.identifier.citationAbushattal, A., Zegrar, S. E., Yazgan, A. ve Arslan, H. (2023). A comprehensive experimental emulation for OTFS waveform RF-Impairments. Sensors, 23(1). https://dx.doi.org/10.3390/s23010038
dc.identifier.doi10.3390/s23010038
dc.identifier.issn1424-8220
dc.identifier.issue1
dc.identifier.pmid36616636
dc.identifier.scopus2-s2.0-85145973591
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://dx.doi.org/10.3390/s23010038
dc.identifier.urihttps://hdl.handle.net/20.500.12511/10342
dc.identifier.volume23
dc.identifier.wos000909657500001en_US
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorZegrar, Salah Eddine
dc.institutionauthorArslan, Hüseyin
dc.language.isoen
dc.publisherMDPI
dc.relation.ispartofSensorsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/120C142
dc.rightsAttribution 4.0 International*
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.subjectOTFS
dc.subjectOFDM
dc.subjectRF-Impairments
dc.subjectI/Q Imbalances
dc.subjectDC-Offset
dc.subjectPhase Noise
dc.subjectCarrier Frequency Offset
dc.titleA comprehensive experimental emulation for OTFS waveform RF-Impairments
dc.typeArticle

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