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Enhanced Time-Modulated Arrays for Harmonic Beamforming

dc.contributor.authorManeiro-Catoira, Roberto
dc.contributor.authorBrégains, Julio
dc.contributor.authorGarcía-Naya, José A.
dc.contributor.authorCastedo, Luis
dc.date.accessioned2024-03-06T19:51:48Z
dc.date.available2024-03-06T19:51:48Z
dc.date.issued2017
dc.identifier.citationR. Maneiro-Catoira, J. C. Brégains, J. A. García-Naya and L. Castedo, "Enhanced Time-Modulated Arrays for Harmonic Beamforming," in IEEE Journal of Selected Topics in Signal Processing, vol. 11, no. 2, pp. 259-270, March 2017, doi: 10.1109/JSTSP.2016.2627178es_ES
dc.identifier.issn1932-4553
dc.identifier.issn1941-0484
dc.identifier.urihttp://hdl.handle.net/2183/35802
dc.descriptionThis version of the article has been accepted for publication, after peer review. The Version of Record is available online at: https://doi.org/10.1109/JSTSP.2016.2627178.es_ES
dc.description.abstract[Abstract]: One of the primary features of time-modulated arrays (TMAs) is their ability to adapt their harmonic patterns to exploit the angular diversity of multipath wireless channels. In such a case, the TMA excitations must provide an adequate level of harmonic windowing in order to safeguard both the antenna efficiency and the signal-to-noise ratio at reception. In this work, we propose to time-modulate the array excitations with periodic sum-of-weighted-cosine (SWC) pulses rather than with the periodic rectangular pulses corresponding to the on-off switches of conventional TMAs. We show that how the larger flexibility of the SWC pulses allows for a more versatile design of the TMA harmonic radiation patterns without penalizing the array gain for each exploited harmonic.es_ES
dc.description.sponsorshipThis work has been funded by Xunta de Galicia, MINECO of Spain, and FEDER funds of the EU under grants 2012/287 and TEC2013-47141-C4-1-R. The authors would like to express their gratitude to Dr. Lorenzo Poli and to Dr. Paolo Rocca (ELEDIA Research Center, University of Trento, Italy) for their support with the adaptive nulling algorithms.es_ES
dc.description.sponsorshipXunta de Galicia; 2012/287es_ES
dc.language.isoenges_ES
dc.publisherInstitute of Electrical and Electronics Engineerses_ES
dc.relationinfo:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/TEC2013-47141-C4-1-R/ES/TECNICAS DE ACCESO RADIO PARA REDES INALAMBRICAS HETEROGENEASes_ES
dc.relation.urihttps://doi.org/10.1109/JSTSP.2016.2627178es_ES
dc.rights© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.es_ES
dc.subjectHarmonic analysises_ES
dc.subjectArray signal processinges_ES
dc.subjectTime-frequency analysises_ES
dc.subjectAdaptive arrayses_ES
dc.subjectSignal to noise ratioes_ES
dc.subjectAntenna radiation patternses_ES
dc.titleEnhanced Time-Modulated Arrays for Harmonic Beamforminges_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.accessinfo:eu-repo/semantics/openAccesses_ES
UDC.journalTitleIEEE Journal of Selected Topics in Signal Processinges_ES
UDC.volume11es_ES
UDC.issue2es_ES
UDC.startPage259es_ES
UDC.endPage270es_ES
dc.identifier.doi10.1109/JSTSP.2016.2627178


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