Title :
A comparative study of wideband and dual-band digital predistortion architectures
Author :
Abdelhafiz, Abubaker ; Younes, Mayada ; Kwan, Andrew ; Hammi, Oualid ; Ghannouchi, Fadhel M. ; Boulejfen, Noureddine
Author_Institution :
ECE Dept., Univ. of Calgary, Calgary, AB, Canada
fDate :
March 30 2015-April 1 2015
Abstract :
In this paper, the wideband and dual-band architectures for digital predistorters (DPD) are compared in terms of the DPD models used, hardware implementations, complexity and linearization performance. The advantages and disadvantages of each architecture are outlined and hardware measurements are performed using an amplifier prototype to illustrate the differences between the two approaches.
Keywords :
intermodulation distortion; linearisation techniques; radiofrequency power amplifiers; wideband amplifiers; DPD models; amplifier prototype; complexity performance; dual-band digital predistortion architecture; hardware measurements; intermodulation distortion; linearization performance; wideband digital predistortion architecture; Distortion; Field programmable gate arrays; Indexes; Multiplexing; Predistortion; Radio frequency; Wideband; Behavioral modeling; digital predistortion; dual-band DPD; intermodulation distortion; nonlinearities; power amplifier; wideband DPD;
Conference_Titel :
Wireless Symposium (IWS), 2015 IEEE International
Conference_Location :
Shenzhen
DOI :
10.1109/IEEE-IWS.2015.7164607
