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dc.contributor.authorRodrigo López, Daniel
dc.contributor.authorJofre Roca, Lluís
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.date.accessioned2012-12-19T18:50:13Z
dc.date.created2012
dc.date.issued2012
dc.identifier.citationRodrigo, D.; Jofre, L. Frequency and radiation pattern reconfigurability of a multi-size pixel antenna. "IEEE transactions on antennas and propagation", 2012, vol. 60, núm. 5, p. 2219-2225.
dc.identifier.issn0018-926X
dc.identifier.urihttp://hdl.handle.net/2117/17163
dc.description.abstractPixel reconfigurable apertures constitute one of the most adaptable structures regarding antenna reconfiguration, being capable to achieve frequency and pattern compound reconfiguration. However, pixel antennas require a large amount of switches (typically above 100) that severely impact the antenna efficiency, complexity, cost and reconfiguration time. This paper presents a novel technique to mitigate the inherent complexity of pixel antennas by including multiple sized pixels divided over driven and parasitic regions. The technique has been applied to a planar monopole architecture leading to a low-complexity prototype of small dimensions and requiring only 12 switches. Its reconfiguration properties have been fully characterized through exhaustive measurements. Frequency reconfiguration is achieved from 1 GHz to 6 GHz with simultaneous beam-steering capabilities, being capable of synthesizing at each frequency an omnidirectional pattern and up to 5 directive patterns steered towards directions covering an angular range of almost 180 .
dc.format.extent7 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Antenes i agrupacions d'antenes
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica
dc.subject.lcshSignal theory (Telecommunication)
dc.subject.lcshAntennas (Electronics)
dc.titleFrequency and radiation pattern reconfigurability of a multi-size pixel antenna
dc.typeArticle
dc.subject.lemacAntenes (Electrònica)
dc.subject.lemacSenyal, Teoria del (Telecomunicació)
dc.contributor.groupUniversitat Politècnica de Catalunya. ANTENNALAB - Grup d'Antenes i Sistemes Radio
dc.identifier.doi10.1109/TAP.2012.2189739
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6163369
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac10508382
dc.description.versionPostprint (published version)
dc.date.lift10000-01-01
local.citation.authorRodrigo, D.; Jofre, L.
local.citation.publicationNameIEEE transactions on antennas and propagation
local.citation.volume60
local.citation.number5
local.citation.startingPage2219
local.citation.endingPage2225


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