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

fYear

2015

fDate

March 30 2015-April 1 2015

Firstpage

1

Lastpage

4

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;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Symposium (IWS), 2015 IEEE International

Conference_Location

Shenzhen

Type

conf

DOI

10.1109/IEEE-IWS.2015.7164607

Filename

7164607