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Implementing opportunistic spectrum access in LTE-Advanced

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Implementing opportunistic spectrum access in LTE-Advanced

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dc.contributor.author Osa Ginés, Vicente es_ES
dc.contributor.author Herranz Claveras, Carlos es_ES
dc.contributor.author Monserrat del Río, José Francisco es_ES
dc.contributor.author Gelabert, Xavier es_ES
dc.date.accessioned 2015-01-21T17:49:45Z
dc.date.available 2015-01-21T17:49:45Z
dc.date.issued 2012-03-09
dc.identifier.issn 1687-1499
dc.identifier.uri http://hdl.handle.net/10251/46292
dc.description.abstract Long term evolution advanced (LTE-A) has emerged as a promising mobile broadband access technology aiming to cope with the increasing traffic demand in wireless networks. However, the enhanced spectral efficiency offered by LTE-A may become futile without a better management of scarce and overcrowded electromagnetic spectrum. In this sense, cognitive radio (CR) has been proposed as a potential solution to the problem of spectrum scarcity. Among all the mechanisms provided by CR, opportunistic spectrum access (OSA) aims at a dynamic and seamless use of certain licensed bands provided the licensee is not harmfully affected. This operation requires spectral awareness in order to avoid interferences with licensed systems. In spite of implementing some spectrum sensing mechanisms, LTE-A technology lacks other tools that are needed in order to improve the knowledge of the radio environment. This work studies the adoption of a Geo-located data base (Geo-DB) that cooperatively retrieves and maintains information regarding the location of unutilized portions of spectrum potentially available for OSA. Moreover, the potential benefit of this LTE-compliant OSA solution is evaluated using a calibrated simulation tool, by which numerical results allow us to optimally configure the system and show that the proposed opportunistic system is able to significantly improve its performance. es_ES
dc.description.sponsorship The authors would like to thank the funding received from the Ministerio de Ciencia e Innovacion within the Project number TEC2011-27723-C02-02 and from the Ministerio de Industria, Turismo y Comercio TSI-020100-2011-266 funds. This article had been written in the framework of the CELTIC project CP08-001 COMMUNE. Study by X. Gelabert is funded by the BP-DGR 2010 scholarship (ref. 00192). The authors would like to acknowledge the contributions of their colleagues. en_EN
dc.language Inglés es_ES
dc.publisher SpringerOpen es_ES
dc.relation.ispartof EURASIP Journal on Wireless Communications and Networking es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Cognitive radio es_ES
dc.subject Networks es_ES
dc.subject.classification TEORIA DE LA SEÑAL Y COMUNICACIONES es_ES
dc.title Implementing opportunistic spectrum access in LTE-Advanced es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1186/1687-1499-2012-99
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//TEC2011-27723-C02-02/ES/COMUNICACIONES MOVILES COOPERATIVAS EFICIENTES MEDIANTE RELAYING Y MBMS AVANZADOS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GC/BP-DGR 2010 scholarship/00192/ES es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MITURCO//TSI-020100-2011-0266/ES/FEMTO-LTE - Diseño de una nueva generación de FEMTOCELDAS LTE 4G ubicuas y cognitivas integradas sobre una plataforma multitecnología para redes heterogéneas/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Telecomunicación y Aplicaciones Multimedia - Institut Universitari de Telecomunicacions i Aplicacions Multimèdia es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Comunicaciones - Departament de Comunicacions es_ES
dc.description.bibliographicCitation Osa Ginés, V.; Herranz Claveras, C.; Monserrat Del Río, JF.; Gelabert, X. (2012). Implementing opportunistic spectrum access in LTE-Advanced. EURASIP Journal on Wireless Communications and Networking. 2012(99):1-17. https://doi.org/10.1186/1687-1499-2012-99 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1186/1687-1499-2012-99 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 17 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 2012 es_ES
dc.description.issue 99 es_ES
dc.relation.senia 222788
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Ministerio de Industria, Turismo y Comercio es_ES
dc.contributor.funder Generalitat de Catalunya
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