Envelope Factorization with Partial Elimination and Recombination, EF-PER, a New Linear RF Architecture

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dc.contributor.authorDiet, Antoine
dc.contributor.authorBaudoin, Genevieve
dc.contributor.authorLasaulce, Samson
dc.coverage.issue4cs
dc.coverage.volume24cs
dc.date.accessioned2016-01-06T08:08:11Z
dc.date.available2016-01-06T08:08:11Z
dc.date.issued2015-12cs
dc.description.abstractIn this paper, a new architecture for efficient linear radio frequency transmitters is proposed; it includes envelope-tracking (ET) and envelope-elimination-and-restoration (EER) architectures as special instances. The proposed technique is referred to as Envelope Factorization with Partial Elimination and Recombination (EF-PER). It relies on a decomposition of the RF signal before power amplification as a product of two signals, one of them being the envelope signal elevated to an exponent “α”. Compared to ET or EER architectures, the parameter “α” constitutes a new degree of freedom. This allows one to realize good tradeoffs between different performance criteria such as spectrum use, power efficiency, and transmitter linearity. An intuitive aggregate cost function is introduced to capture the desired tradeoff and turns out to be maximized in α=0.5. The full relevance of EF-PER is sustained both by analytical results and realistic simulations performed for OFDM signals. The EF-PER architecture (with α=0.5) has been simulated under Agilent-ADS with a non-linear transistor model from Avago (E-PHEMT) and compared with ET and EER.en
dc.formattextcs
dc.format.extent993-1001cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2015 vol. 24, č. 4, s. 993-1001. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2015.0993en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/51900
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2015/15_04_0993_1001.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectEERen
dc.subjectETen
dc.subjectlinearization techniquesen
dc.subjectpower efficiencyen
dc.subjectPAPRen
dc.subjectRF architectureen
dc.subjectRF linear transmitter.en
dc.titleEnvelope Factorization with Partial Elimination and Recombination, EF-PER, a New Linear RF Architectureen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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