Overview of Synergetic OFDM Crest Factor Reduction and Digital Pre-Distortion for RF PAs

Landin, Per, 1983- (author): KTH,Högskolan i Gävle,Elektronik,Signalbehandling,ACCESS Linnaeus Centre

Nader, Charles, 1982- (author): KTH,Högskolan i Gävle,Elektronik,Signalbehandling,ACCESS Linnaeus Centre

Björsell, Niclas (author): Högskolan i Gävle,Elektronik,University of Gävle,Department of Electronics, Mathematics and Natural Sciences

Isaksson, Magnus (author): Högskolan i Gävle,Elektronik,Eletronik,University of Gävle,Department of Electronics, Mathematics and Natural Sciences

Händel, Peter (author): KTH,Signalbehandling,ACCESS Linnaeus Centre,KTH Royal Institute of Technology,ACCESS Linneaus Centre, Signal Processing Lab

(creator_code:org_t)

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Abstract Subject headings

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

TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)

By the author/editor: Landin, Per, 198 ...; Nader, Charles, ...; Van Moer, Wendy; Björsell, Niclas; Isaksson, Magnus; Händel, Peter

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Electrical Engin ...; and Telecommunicatio ...

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Electrical Engin ...; and Signal Processin ...

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