NDLI: A Comparative Analysis of the Complexity/Accuracy Tradeoff in Power Amplifier Behavioral Models

Content Provider	IEEE Xplore Digital Library
Author	Tehrani, A.S. Haiying Cao Afsardoost, S. Eriksson, T. Isaksson, M. Fager, C.
Copyright Year	1963
Abstract	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.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	1510
Ending Page	1520
Page Count	11
File Size	1346146
File Format	PDF
ISSN	00189480
Volume Number	58
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power amplifiers Microwave amplifiers Computational complexity Power generation Radiofrequency amplifiers Bandwidth Base stations Power measurement WiMAX Polynomials Volterra series Behavioral modeling nonlinear distortion nonlinear filters power amplifiers (PAs) radio communication
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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