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Intelligent reflecting surface enhanced millimeter-wave NOMA systems

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dc.contributor.coauthorZuo, Jiakuo
dc.contributor.coauthorLiu, Yuanwei
dc.contributor.coauthorDobre, Octavia A.
dc.contributor.departmentDepartment of Electrical and Electronics Engineering
dc.contributor.departmentDepartment of Electrical and Electronics Engineering
dc.contributor.kuauthorBaşar, Ertuğrul
dc.contributor.kuprofileFaculty Member
dc.contributor.schoolcollegeinstituteCollege of Engineering
dc.contributor.yokid149116
dc.date.accessioned2024-11-09T12:12:28Z
dc.date.issued2020
dc.description.abstractIn this letter, a downlink intelligent reflecting surface (IRS) enhanced millimeter-wave (mmWave) non-orthogonal multiple access (NOMA) system is considered. A joint optimization problem over active beamforming, passive beamforming and power allocation is formulated. Due to the highly coupled variables, the formulated optimization problem is non-convex. To solve this problem, an alternative optimization and successive convex approximation based iterative algorithm is proposed. Numerical results illustrate that: 1) the proposed scheme offers significant sum-rate gains, which confirms the effectiveness of introducing IRS for mmWave-NOMA systems; 2) the proposed algorithm with discrete phase shifts can achieve close performance to that of continuous phase shifts.
dc.description.fulltextYES
dc.description.indexedbyWoS
dc.description.indexedbyScopus
dc.description.issue11
dc.description.openaccessYES
dc.description.publisherscopeInternational
dc.description.sponsoredbyTubitakEuTÜBİTAK
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TÜBİTAK)
dc.description.sponsorshipNational Natural Science Foundation of China (NSFC)
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canada (NSERC)
dc.description.versionAuthor's final manuscript
dc.description.volume24
dc.formatpdf
dc.identifier.doi10.1109/LCOMM.2020.3009158
dc.identifier.eissn1558-2558
dc.identifier.embargoNO
dc.identifier.filenameinventorynoIR02551
dc.identifier.issn1089-7798
dc.identifier.linkhttps://doi.org/10.1109/LCOMM.2020.3009158
dc.identifier.quartileQ2
dc.identifier.scopus2-s2.0-85096176184
dc.identifier.urihttps://hdl.handle.net/20.500.14288/1166
dc.identifier.wos589200500055
dc.keywordsBeamforming
dc.keywordsLintelligent reflecting surface
dc.keywordsMillimeter-wave
dc.keywordsNon-orthogonal multiple access
dc.languageEnglish
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.grantno218E035
dc.relation.grantno61801237
dc.relation.grantno61802207
dc.relation.grantno61701255
dc.relation.urihttp://cdm21054.contentdm.oclc.org/cdm/ref/collection/IR/id/9189
dc.sourceIEEE Communications Letters
dc.subjectTelecommunications
dc.titleIntelligent reflecting surface enhanced millimeter-wave NOMA systems
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.authorid0000-0001-5566-2392
local.contributor.kuauthorBaşar, Ertuğrul
relation.isOrgUnitOfPublication21598063-a7c5-420d-91ba-0cc9b2db0ea0
relation.isOrgUnitOfPublication.latestForDiscovery21598063-a7c5-420d-91ba-0cc9b2db0ea0

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