Publication Journal: Electronics Letters

Title: 2D augmented Hammerstein model for concurrent dual-band power amplifiers

Authors: You-Jiang Liu, Wenhua Chen, Senior Member, IEEE, Bang-Hua Zhou,  Jie Zhou, and Fadhel M. Ghannouchi, Fellow, IEEE

Author Affiliations:  1. Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621900, China;    2.Department of Engineering Physics, Tsinghua University, Beijing 100084, China; 3.Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;    4. Intelligent RF Radio Laboratory (iRadio Lab), Department of Electrical and Computer Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada T2N 1N4.

Status: Published in Vol. 48 Issue 19, 2012

Pages: 1214-1216

Abstract: A two-dimensional (2D) augmented Hammerstein (2D-AH) model is proposed for the first time to achieve high modelling accuracy for concurrent dual-band power amplifiers (PAs). By considering the nonlinear memory effect, the 2D-AH model is an augmented version of the conventional Hammerstein structure and can provide comparable performance to the prior 2D-DPD model. But it outperforms the 2DDPD model in terms of complexity. Measurements were carried out for a dual-band Doherty PA, both for forward modelling and for DPD application. The results prove the superiority of the 2D-AH model.

Email: liuyj04@163.com

URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6317245&contentType=Journals+%26+Magazines&queryText%3D2D+augmented+Hammerstein+model+for+concurrent+dual-band+power+amplifiers