Design of a multiport frequency reconfigurable antenna suitable for IMT-advanced communications systems

dc.contributor.advisorAraque Quijano, Javier Leonardospa
dc.contributor.authorRamírez Arroyave, Germán Augustospa
dc.contributor.researchgroupGrupo de Investigación en Electrónica de Alta Frecuencia y Telecomunicaciones (CMUN)spa
dc.date.accessioned2020-10-01T15:47:04Zspa
dc.date.available2020-10-01T15:47:04Zspa
dc.date.issued2018-12-07spa
dc.description.abstractThis thesis tackles the design, manufacture and validation of multi-port and frequency reconfigurable antennas intended for advanced communications applications. The main accomplishments of this thesis are: Extension of the AMDSR© optimize package to efficiently deal with multiobjective and 3D structures. Broadband and nonlinear switch characterization. Study of novel planar multi-port antennas. Manufacturing of 3D antennas involving validation of a low cost material characterization technique at RF frequencies, techniques to control dielectric permittivity of 3D printed materials, and validation of alternatives for manufacturing 3D antennas. Design, validation, and manufacturing of a 3D pixellated antenna concept. Calculation of the currents on the switches of a parasitic layer antenna, design of a broadband antenna based on parasitic layer concept, development of a low complexity beam-steerable sub-array for millimeter waves, non-linear characterization of a parasitic layer based antenna element. Implementation of software defined radio based tests for antenna validation.spa
dc.description.abstractEsta tesis aborda el diseño, fabricación y validación de antenas multipuerto reconfigurables en frecuencia para aplicaciones en sistemas de comunicaciones avanzados. Los principales logros de esta tesis son: Extensión del paquete de optimización de AMDSR© para tratar eficientemente con problemas de optimización multiobjetivo y estructuras 3D. Caracterización de interruptores en banda ancha y de sus parámetros no lineales. Estudio de antenas planares multipuerto. Fabricación de antenas 3D incluyendo la validación de una técnica de bajo costo para la caracterización de materiales en RF, estudio de técnicas para controlar la permitividad relativa de materiales impresos en 3D, y la validación de alternativas para la construcción de antenas 3D. Diseño, validación y manufactura de un concepto de antena 3D pixelada. Cálculo de las corrientes en los interruptores de una capa parásita para antenas, diseño de una antena de banda ancha basada en capa parásita, desarrollo de un sub-arreglo con haz dirigible de baja complejidad para ondas milimétricas. Implementación de pruebas de validación de antenas en plataformas de radio definida por software.spa
dc.description.additionalLínea de Investigación: Computación aplicadaspa
dc.description.degreelevelDoctoradospa
dc.description.projectConvocatoria 727 de 2015 - Doctorados nacionalesspa
dc.description.sponsorshipUniversidad Nacional de Colombia, Colcienciasspa
dc.format.extent197spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/78517
dc.language.isoengspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.programBogotá - Ingeniería - Doctorado en Ingeniería - Sistemas y Computaciónspa
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dc.rightsDerechos reservados - Universidad Nacional de Colombiaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial 4.0 Internacionalspa
dc.rights.spaAcceso abiertospa
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/spa
dc.subject.ddc620 - Ingeniería y operaciones afines::621 - Física aplicadaspa
dc.subject.proposalComunicaciones móvilesspa
dc.subject.proposalMobile communicationeng
dc.subject.proposalAntennasspa
dc.subject.proposalAntennaseng
dc.subject.proposalAntennas para móvilesspa
dc.subject.proposalMobile antennaseng
dc.subject.proposalAntennas reconfigurablesspa
dc.subject.proposalReconfigurable antennaseng
dc.subject.proposalAlgoritmos genéticosspa
dc.subject.proposalGenetic algorithmseng
dc.subject.proposalMIMO communicationeng
dc.subject.proposalComunicaciones MIMOspa
dc.subject.proposalThree-dimensional printingeng
dc.subject.proposalImpresión Tri-dimensionalspa
dc.subject.proposalAntenas 3Dspa
dc.subject.proposal3D antennaseng
dc.subject.proposalMicrowave technologyeng
dc.subject.proposalTecnología de microondasspa
dc.titleDesign of a multiport frequency reconfigurable antenna suitable for IMT-advanced communications systemsspa
dc.typeTrabajo de grado - Doctoradospa
dc.type.coarhttp://purl.org/coar/resource_type/c_db06spa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/doctoralThesisspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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