A Comparative Analysis of the Complexity/Accuracy Tradeoff in Power Amplifier Behavioral Models
Journal article, 2010

A comparative study of state-of-the-art behavioral models for microwave power amplifiers (PAs) is presented in this paper. After establishing a proper definition for accuracy and complexity for PA behavioral models, a short description on various behavioral models is presented. The main focus of this paper is on the modeling accuracy as a function of computational complexity. Data is collected from measurements on two PAs—a general-purpose amplifier and a Doherty PA designed for WiMAX—for different output power levels. The models are characterized in terms of accuracy and complexity for both in-band and out-of-band error. The results show that, among the models studied, the generalized memory polynomial behavioral model has the best tradeoff for accuracy versus complexity for both PAs, and can obtain high performance at half of the computational cost of all other models analyzed.

Author

Ali Soltani Tehrani

Chalmers, Signals and Systems, Kommunikationssystem, informationsteori och antenner, Communication Systems

GigaHertz Centre

Haiying Cao

GigaHertz Centre

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Sepideh Afsar Doost

Chalmers, Signals and Systems, Kommunikationssystem, informationsteori och antenner, Communication Systems

GigaHertz Centre

Thomas Eriksson

Chalmers, Signals and Systems, Kommunikationssystem, informationsteori och antenner, Communication Systems

GigaHertz Centre

Magnus Isaksson

University of Gävle

Christian Fager

GigaHertz Centre

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

IEEE Transactions on Microwave Theory and Techniques

0018-9480 (ISSN)

Vol. 58 6 1510-1520 5460970

Areas of Advance

Information and Communication Technology

Subject Categories

Telecommunications

Signal Processing

DOI

10.1109/TMTT.2010.2047920

More information

Latest update

3/5/2018 8