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Flexible generalized spatial modulation for visible light communications

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dc.contributor.coauthorAl-Nahhal, Mohamed
dc.contributor.coauthorUysal, Murat
dc.contributor.departmentDepartment of Electrical and Electronics Engineering
dc.contributor.kuauthorBaşar, Ertuğrul
dc.contributor.schoolcollegeinstituteCollege of Engineering
dc.date.accessioned2024-11-09T12:25:21Z
dc.date.issued2021
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.
dc.description.fulltextYES
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.issue1
dc.description.openaccessYES
dc.description.publisherscopeInternational
dc.description.sponsoredbyTubitakEuTÜBİTAK
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TÜBİTAK)
dc.description.versionAuthor's final manuscript
dc.description.volume70
dc.identifier.doi10.1109/TVT.2020.3047652
dc.identifier.eissn1939-9359
dc.identifier.embargoNO
dc.identifier.filenameinventorynoIR02818
dc.identifier.issn0018-9545
dc.identifier.quartileQ1
dc.identifier.scopus2-s2.0-85099091495
dc.identifier.urihttps://doi.org/10.1109/TVT.2020.3047652
dc.identifier.wos617762400080
dc.keywordsClosed-form solutions
dc.keywordsSpectral efficiency
dc.keywordsModulation
dc.keywordsLight emitting diodes
dc.keywordsDecoding
dc.keywordsComplexity theory
dc.keywordsVisible light communication
dc.keywordsVisible light communication
dc.keywordsGeneralized spatial modulation
dc.keywordsDecoding complexity
dc.keywordsAdaptive modulation sizes
dc.language.isoeng
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.grantno1.79769313486232E+308
dc.relation.ispartofIEEE Transactions on Vehicular Technology
dc.relation.urihttp://cdm21054.contentdm.oclc.org/cdm/ref/collection/IR/id/9470
dc.subjectEngineering
dc.subjectTelecommunications
dc.subjectTransportation science and technology
dc.titleFlexible generalized spatial modulation for visible light communications
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.kuauthorBaşar, Ertuğrul
local.publication.orgunit1College of Engineering
local.publication.orgunit2Department of Electrical and Electronics Engineering
relation.isOrgUnitOfPublication21598063-a7c5-420d-91ba-0cc9b2db0ea0
relation.isOrgUnitOfPublication.latestForDiscovery21598063-a7c5-420d-91ba-0cc9b2db0ea0
relation.isParentOrgUnitOfPublication8e756b23-2d4a-4ce8-b1b3-62c794a8c164
relation.isParentOrgUnitOfPublication.latestForDiscovery8e756b23-2d4a-4ce8-b1b3-62c794a8c164

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