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Overview of Synergetic OFDM Crest Factor Reduction and Digital Pre-Distortion for RF PAs
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
Vrije Universiteit Brussel. (IR/ELEC)
University of Gävle. (Department of Electronics, Mathematics and Natural Sciences)
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2011 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Digital baseband pre-distortion (DPD) is used tolinearize nonlinear RF PAs, crest factor reduction (CFR) toincrease the maximum output power level of RF PAs. Togetherthey result in increased output power with maintained, or even,better linearity. This paper discuss some of the techniquesfor DPD and CFR methods currently under investigation.Measured results for a class-AB PA using OFDM signalsindicate a possibility to increase the power added efficiency(PAE) by at least 15%-points, from 30%to 45%, and a poweroutput increase of 6 dB while maintaining specified ACLRrequirements.

Place, publisher, year, edition, pages
2011.
National Category
Signal Processing Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-67312OAI: oai:DiVA.org:kth-67312DiVA: diva2:484823
Conference
RF Measurement Technology Conference. Gävle, Sweden. 04.10.2011 - 05.10.2011
Note
QC 20120330Available from: 2012-01-27 Created: 2012-01-27 Last updated: 2012-03-30Bibliographically approved

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Händel, Peter

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