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Spectrum Sensing Framework based on Blind Source Separation for Cognitive Radio Environments

dc.contributor.authorSepúlveda Cano, Lina María
dc.contributor.authorQuiza Montealegre, Jhon Jair
dc.contributor.authorGil Taborda, Camilo
dc.contributor.authorGómez García, Jorge Andrés
dc.date.accessioned2017-06-29T22:22:35Z
dc.date.available2017-06-29T22:22:35Z
dc.date.created2016-12-31
dc.identifier.issn1692-3324
dc.identifier.urihttp://hdl.handle.net/11407/3541
dc.description.abstractEl uso eficiente del espectro se ha convertido en un área de investigación activa, debido a la escasez de este recurso y a su subutilización. En un escenario en el que el espectro es un recurso compartido como en la radio cognitiva (CR), los espacios sin uso dentro de las bandas de frecuencias con licencia podrían ser detectados y posteriormente utilizados por un usuario secundario a través de técnicas de detección y sensado del espectro. Generalmente, estas técnicas de detección se utilizan a partir de un conocimiento previo de las características de canal. En el presente trabajo se propone un enfoque de detección ciega del espectro basado en análisis de componentes independientes (ICA) y análisis de espectro singular (SSA). La técnica de detección se valida a través de simulación, y su desempeño se compara con metodologías propuestas por otros autores en la literatura. Los resultados muestran que el sistema propuesto es capaz de detectar la mayoría de las fuentes con bajo consumo de tiempo, un aspecto que cabe resaltar para aplicaciones en línea con exigencias de tiempo.spa
dc.description.abstractThe efficient use of spectrum has become an active research area, due to its scarcity and underutilization. In a spectrum sharing scenario as Cognitive Radio (CR), the vacancy of licensed frequency bands could be detected by a secondary user through spectrum sensing techniques. Usually, this sensing approaches are performed with a priori knowledge of the channel features. In the present work, a blind spectrum sensing approach based on Independent Component Analysis and Singular Spectrum Analysis is proposed. The approach is tested and compared with other outcomes. Results show that the proposed scheme is capable of detect most of the sources with low time consumption, which is a remarkable aspect for online applications with demanding time issues.spa
dc.format.extentp. 129-140spa
dc.format.mediumElectrónicospa
dc.format.mimetypeapplication/pdf
dc.language.isospa
dc.publisherUniversidad de Medellínspa
dc.relation.urihttp://revistas.udem.edu.co/index.php/ingenierias/article/view/1491
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/*
dc.sourceRevista Ingenierías Universidad de Medellín; Vol. 15, núm. 29 (2016); 129-140spa
dc.source2248-4094spa
dc.source1692-3324spa
dc.subjectSpectrum sensingspa
dc.subjectBlind source separationspa
dc.subjectCognitive Radiospa
dc.subjectICAspa
dc.subjectSSAspa
dc.subjectSensado del espectrospa
dc.subjectSeparación ciega de fuentesspa
dc.subjectRadio cognitivaspa
dc.subjectICAspa
dc.subjectSSAspa
dc.titleMétodo para sensado del espectro basado en separación ciega de fuentes para ambientes de radio cognitivaspa
dc.titleSpectrum Sensing Framework based on Blind Source Separation for Cognitive Radio Environmentsspa
dc.typeArticleeng
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.identifier.doi http://dx.doi.org/10.22395/rium.v15n29a8
dc.relation.citationvolume15
dc.relation.citationissue29
dc.relation.citationstartpage129
dc.relation.citationendpage140
dc.audienceComunidad Universidad de Medellínspa
dc.publisher.facultyFacultad de Ingenieríasspa
dc.coverageLat: 06 15 00 N  degrees minutes  Lat: 6.2500  decimal degreesLong: 075 36 00 W  degrees minutes  Long: -75.6000  decimal degreesspa
dc.publisher.placeMedellínspa
dc.creator.affiliationSepúlveda Cano, Lina María; Universidad de Medellínspa
dc.creator.affiliationQuiza Montealegre, Jhon Jair; Universidad de Medellínspa
dc.creator.affiliationGil Taborda, Camilo; Universidad de Medellínspa
dc.creator.affiliationGómez García, Jorge Andrés; Universidad Politécnica de Madridspa
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dc.rights.creativecommonsAttribution-NonCommercial-ShareAlike 4.0 International*
dc.identifier.eissn2248-4094
dc.type.coarhttp://purl.org/coar/resource_type/c_6501
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dc.type.localArtículo científicospa
dc.type.driverinfo:eu-repo/semantics/article
dc.identifier.reponamereponame:Repositorio Institucional Universidad de Medellínspa
dc.identifier.repourlrepourl:https://repository.udem.edu.co/
dc.identifier.instnameinstname:Universidad de Medellínspa
dc.relation.ispartofjournalRevista Ingenierías Universidad de Medellínspa


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