Adaptive windowing of insufficient CP for joint minimization of ISI and ACI beyond 5G

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dc.authorid0000-0001-9474-7372
dc.contributor.authorPeköz, Berker
dc.contributor.authorKöse, Selçuk
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned10.07.201910:49:13
dc.date.accessioned2019-07-10T19:38:20Z
dc.date.available10.07.201910:49:14
dc.date.available2019-07-10T19:38:20Z
dc.date.issued2017
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractUsing minimum, even insufficient guards are proposed to achieve the spectral efficiency and latency requirements of cellular communication systems beyond 5G. This leads to interference in both time and frequency domains. In this paper, a partial-non-orthogonal multiple accessing scenario in which the desired user is experiencing both intersymbol interference (ISI) due to insufficient cyclic prefix (CP) and adjacent channel interference (ACI) caused by asynchronous transmitters using non-orthogonal numerologies in adjacent bands is investigated. ISI and ACI depend on the power offset between desired and interfering users, the instantaneous channel impulse responses of interfering users and transmitter and receiver window functions. Therefore, joint and adaptive utilization of CP requires real-time calculation of ISI and ACI. Analytical expressions for expected ISI and ACI at each subcarrier of the desired user are derived to minimize their combination. Accordingly, an adaptive algorithm consisting of windowing each subcarrier at the receiver with window length that minimizes the combined interference at that subcarrier by optimally exchanging ISI and ACI is proposed. Interference reduction performances of current, outdated and average optimal window length raised cosine receiver windows are assessed and compared to fixed and no receiver windowing. Windowing reduces interference even when CP is shorter than the channel if window length is determined using the proposed design guidelines.
dc.description.sponsorshipInstitute of Electrical and Electronics Engineers Inc.en_US
dc.description.sponsorshipIEEE Communications Societyen_US
dc.identifier.citationPeköz, B., Köse, S. ve Arslan, H. (2017). Adaptive windowing of insufficient CP for joint minimization of ISI and ACI beyond 5G. 28th Annual IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC). Montreal, Canada, October 08-13, 2017. https://dx.doi.org/10.1109/PIMRC.2017.8292389
dc.identifier.doi10.1109/PIMRC.2017.8292389
dc.identifier.endpage5
dc.identifier.isbn9781538635315
dc.identifier.scopusqualityN/A
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/20.500.12511/1579
dc.identifier.urihttps://dx.doi.org/10.1109/PIMRC.2017.8292389
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartof28th Annual IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectCognitive Radio
dc.subjectOrthogonal Frequency Division Multiplexing
dc.subjectSidelobe Suppression
dc.titleAdaptive windowing of insufficient CP for joint minimization of ISI and ACI beyond 5G
dc.typeConference Object

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