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Flexible generalized spatial modulation for visible light communications

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dc.contributor.authorAl-Nahhal, Mohamed
dc.contributor.authorBaşar, E.
dc.contributor.authorUysal, Murat
dc.contributor.departmentElectrical & Electronics Engineering
dc.contributor.ozuauthorUYSAL, Murat
dc.contributor.ozugradstudentAl-Nahhal, Mohamed
dc.date.accessioned2022-09-27T12:11:55Z
dc.date.available2022-09-27T12:11:55Z
dc.date.issued2021-01
dc.description.abstractAdaptive spatial modulation (ASM) varies the modulation size across the transmit light-emitting diodes (LEDs) to improve the overall spectral efficiency of visible light communication (VLC) systems. This article proposes a novel ASM scheme, referred to as flexible generalized spatial modulation (FGSM), for VLC systems. The proposed FGSM system changes the modulation sizes over the LEDs and the number of active LEDs, to improve the average symbol error rate (SER) and spectral efficiency compared to ASM with a fixed overall number of LEDs. The modulation sizes are selected in order to optimize the average SER under a predefined spectral efficiency value. A closed-form expression of approximate SER is derived along with decoding complexity calculations for the proposed system. Numerical results are provided to confirm the superiority of the proposed system and to support theoretical derivations.en_US
dc.description.sponsorshipTÜBİTAK
dc.identifier.doi10.1109/TVT.2020.3047652en_US
dc.identifier.endpage1045en_US
dc.identifier.issn0018-9545en_US
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85099091495
dc.identifier.startpage1041en_US
dc.identifier.urihttp://hdl.handle.net/10679/7887
dc.identifier.urihttps://doi.org/10.1109/TVT.2020.3047652
dc.identifier.volume70en_US
dc.identifier.wos000617762400080
dc.language.isoengen_US
dc.peerreviewedyesen_US
dc.publicationstatusPublisheden_US
dc.publisherIEEEen_US
dc.relationinfo:turkey/grantAgreement/TUBITAK/215E311
dc.relation.ispartofIEEE Transactions on Vehicular Technology
dc.relation.publicationcategoryInternational Refereed Journal
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subject.keywordsAdaptive modulation sizesen_US
dc.subject.keywordsDecoding complexityen_US
dc.subject.keywordsGeneralized spatial modulationen_US
dc.subject.keywordsVisible light communicationen_US
dc.titleFlexible generalized spatial modulation for visible light communicationsen_US
dc.typeArticleen_US
dspace.entity.typePublication
relation.isOrgUnitOfPublication7b58c5c4-dccc-40a3-aaf2-9b209113b763
relation.isOrgUnitOfPublication.latestForDiscovery7b58c5c4-dccc-40a3-aaf2-9b209113b763

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