Digital Predistortion Parameter Identification for RF Power Amplifiers Using Real-Valued Output Data
Journal article, 2017

This brief presents a novel digital predistortion (DPD) parameter identification technique that requires only the acquisition of either the in-phase (I) or the quadrature (Q) component of the power amplifier (PA) output signal. To this end, an approach that allows us to estimate the parameters of a model using only one of the IQ components of the model output is presented. Based on experimental results, it is shown that the proposed real-valued measurements based technique can offer similar linearization capabilities as its complex-valued counterparts. The experimental results also indicate that the proposed technique can be used in combination with other techniques that focus on reducing the speed of analog-to-digital converters (ADCs)

digital predistortion

Iterative learning control

Semiconductor device measurement

power amplifier

iterative learning control

Circuits and systems

least squares approximation

Receivers

Analog-to-digital converter

Parameter estimation

nonlinear distortion

Predistortion

Bandwidth

Author

Jessica Chani Cahuana

Chalmers, Signals and Systems, Communication and Antenna Systems, Communication Systems

GigaHertz Centre

Thomas Eriksson

GigaHertz Centre

Chalmers, Signals and Systems, Communication and Antenna Systems, Communication Systems

Christian Fager

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

GigaHertz Centre

MUSTAFA ÖZEN

GigaHertz Centre

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

IEEE Transactions on Circuits and Systems II: Express Briefs

1549-7747 (ISSN) 1558-3791 (eISSN)

Vol. 64 10 1227-1231

Areas of Advance

Information and Communication Technology

Subject Categories

Telecommunications

Communication Systems

Signal Processing

Other Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.1109/TCSII.2017.2686004

More information

Created

10/8/2017