Title :
A combined adaptive predistortion scheme with Input Back-off
Author :
Janusz Pochmara;Rafal Mierzwiak;Karolina Werner
Author_Institution :
Poznan University of Technology, Chair of Computer Engineering (CCE), Poland
Abstract :
In this paper we propose a simple improvement for an adaptive baseband predistortion without memory driven with QAM signals. We combine a predistortion technique and Input Back-off term. The computer simulation confirms that for the case of QAM modulation amplified with High Power Amplifier a performormance was improved. The case of 64-QAM transmission over a radio communications link is studied in details.
Keywords :
"Predistortion","Nonlinear distortion","Power amplifiers","Radiofrequency amplifiers","Quadrature amplitude modulation","High power amplifiers","Broadband amplifiers","Signal design","Integrated circuit technology","Design engineering"
Conference_Titel :
Mixed Design of Integrated Circuits & Systems, 2009. MIXDES ´09. MIXDES-16th International Conference
Print_ISBN :
978-1-4244-4798-5
