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Design and digital predistortion linearization of a wideband outphasing amplifier supporting 200 MHz bandwidth

dc.contributor.authorGilabert Pinal, Pere Lluís
dc.contributor.authorVegas, David
dc.contributor.authorRen, Zhixiong
dc.contributor.authorMontoro López, Gabriel
dc.contributor.authorPérez-Cisneros, José Ramón
dc.contributor.authorRuiz, Nieves
dc.contributor.authorSi, Xiaoshu
dc.contributor.authorGarcía García, José Ángel
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.date.accessioned2021-02-09T13:53:47Z
dc.date.available2021-02-09T13:53:47Z
dc.date.issued2020
dc.identifier.citationGilabert, P.L. [et al.]. Design and digital predistortion linearization of a wideband outphasing amplifier supporting 200 MHz bandwidth. A: IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications. "Proceedings PAWR2020". 2020, p. 46-49. DOI 10.1109/PAWR46754.2020.9035997.
dc.identifier.urihttp://hdl.handle.net/2117/338161
dc.description© 2020 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
dc.description.abstractThis paper presents a holistic approach to design and linearize a wideband outphasing power amplifier (PA) to efficiently amplify a 200 MHz bandwidth (BW) signal compliant with the Data Over Cable Service Interface Specification (DOCSIS) standard. The proposed outphasing PA, based on a load insensitive GaN HEMT class-E topology, was designed to face the trade-off between the output power control range to be covered with high efficiency and the desired BW. Operated following an isogain approach, the linearity performance is ensured by applying digital predistortion linearization, which combined with crest factor reduction (CFR) techniques can enhance the overall power efficiency. An 18.7 % average efficiency has been measured when fitting the standard in-band and out-of-band linearity requirements for a 26.3 dBm 64 QAM DOCSIS signal with 12.2 dB of PAPR.
dc.description.sponsorshipThis project was funded by Huawei Technologies from March 2017 to April 2019. In addition, the work was supported in part by the Spanish Government (Ministerio de Ciencia Innovación y Universidades) and the Fondo Europeo de Desarrollo Regional (FEDER) under Grant TEC2017-83343-C4-1-R and TEC2017-83343-C4-2-R; and in part by the Generalitat de Catalunya under Grant 2017 SGR 813.
dc.format.extent4 p.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació
dc.subject.lcshPower amplifiers
dc.subject.lcshSignal processing
dc.subject.otherGallium compounds
dc.subject.otherHemt Circuits
dc.subject.otherIii-V Semiconductors
dc.subject.otherLinearisation Techniques
dc.subject.otherPower amplifiers
dc.subject.otherQuadrature amplitude modulation
dc.subject.otherUhf power amplifiers
dc.subject.otherVhf amplifiers
dc.subject.otherWide band gap semiconductors
dc.titleDesign and digital predistortion linearization of a wideband outphasing amplifier supporting 200 MHz bandwidth
dc.typeConference report
dc.subject.lemacAmplificadors de potència
dc.subject.lemacTractament del senyal
dc.contributor.groupUniversitat Politècnica de Catalunya. CSC - Components and Systems for Communications Research Group
dc.identifier.doi10.1109/PAWR46754.2020.9035997
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://ieeexplore.ieee.org/document/9035997
dc.rights.accessOpen Access
local.identifier.drac26698575
dc.description.versionPostprint (author's final draft)
dc.relation.projectidinfo:eu-repo/grantAgreement/MINECO/FEDER/TEC2017-88343-C4-2-R
dc.relation.projectidinfo:eu-repo/grantAgreement/MINECO/FEDER/TEC2017-88343-C4-1-R
dc.relation.projectidinfo:eu-repo/grantAgreement/AGAUR/2017SGR813
local.citation.authorGilabert, Pere L.; Vegas, D.; Ren, Z.; Montoro, G.; Pérez-Cisneros, J. R.; Ruiz, N.; Si, X.; García, J.
local.citation.contributorIEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications
local.citation.publicationNameProceedings PAWR2020
local.citation.startingPage46
local.citation.endingPage49


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