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Optimum power transfer in RF front end systems using adaptive impedance matching technique

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dc.contributor.authorAlibakhshikenari, Mohammad
dc.contributor.authorVirdee, Bal S.
dc.contributor.authorAzpilicueta Fernández de las Heras, Leyre
dc.contributor.authorSee, Chan H.
dc.contributor.authorAbd-Alhameed, Raed
dc.contributor.authorAlthuwayb, Ayman Abdulhadi
dc.contributor.authorFalcone Lanas, Francisco Javier
dc.contributor.authorHuynen, Isabelle
dc.contributor.authorDenidni, Tayeb A.
dc.contributor.authorLimiti, Ernesto
dc.contributor.departmentIngeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzareneu
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.contributor.departmentIngeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.date.accessioned2021-12-30T06:39:51Z
dc.date.available2021-12-30T06:39:51Z
dc.date.issued2021
dc.description.abstractMatching the antenna’s impedance to the RF-front-end of a wireless communications system is challenging as the impedance varies with its surround environment. Autonomously matching the antenna to the RF-front-end is therefore essential to optimize power transfer and thereby maintain the antenna’s radiation efficiency. This paper presents a theoretical technique for automatically tuning an LC impedance matching network that compensates antenna mismatch presented to the RF-front-end. The proposed technique converges to a matching point without the need of complex mathematical modelling of the system comprising of non-linear control elements. Digital circuitry is used to implement the required matching circuit. Reliable convergence is achieved within the tuning range of the LC-network using control-loops that can independently control the LC impedance. An algorithm based on the proposed technique was used to verify its effectiveness with various antenna loads. Mismatch error of the technique is less than 0.2%. The technique enables speedy convergence (< 5 µs) and is highly accurate for autonomous adaptive antenna matching networks.en
dc.description.sponsorshipThis work is partially supported by RTI2018-095499-B-C31, Funded by Ministerio de Ciencia, Innovación y Universidades, Gobierno de España (MCIU/AEI/FEDER,UE), and innovation programme under grant agreement H2020-MSCA-ITN-2016 SECRET-722424 and the financial support from the UK Engineering and Physical Sciences Research Council (EPSRC) under grant EP/E022936/1.en
dc.format.extent12 p.
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1038/s41598-021-91355-4
dc.identifier.issn2045-2322
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/41649
dc.language.isoengen
dc.publisherNature Researchen
dc.relation.ispartofScientific Reports, 11 (1)en
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-095499-B-C31/ES/en
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Commission/Horizon 2020 Framework Programme/722424en
dc.relation.publisherversionhttp://doi.org/10.1038/s41598-021-91355-4
dc.rights© The Author(s) 2021. Creative Commons Attribution 4.0 Internationalen
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAntennasen
dc.subjectImpedance matchingen
dc.subjectPower transferen
dc.subjectWireless communications systemen
dc.subjectRF front-enden
dc.titleOptimum power transfer in RF front end systems using adaptive impedance matching techniqueen
dc.typeArtículo / Artikuluaes
dc.typeinfo:eu-repo/semantics/articleen
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dc.type.versionVersión publicada / Argitaratu den bertsioaes
dspace.entity.typePublication
relation.isAuthorOfPublication00915558-0f9a-4e8e-a04c-8a7eaa1629da
relation.isAuthorOfPublication69667b5c-e390-42d4-bc71-9f256c1b7b85
relation.isAuthorOfPublication.latestForDiscovery00915558-0f9a-4e8e-a04c-8a7eaa1629da

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