Decomposed Vector Rotation-Based Behavioral Modeling for Digital Predistortion of RF Power Amplifiers

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Title: Decomposed Vector Rotation-Based Behavioral Modeling for Digital Predistortion of RF Power Amplifiers
Authors: Zhu, Anding
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Date: 14-Jan-2015
Online since: 2017-04-07T15:23:58Z
Abstract: A new behavioral model for digital predistortion of radio frequency (RF) power amplifiers (PAs) is proposed in this paper. It is derived from a modified form of the canonical piecewise-linear (CPWL) functions using a decomposed vector rotation (DVR) technique. In this model, the nonlinear basis function is constructed from piecewise vector decomposition, which is completely different from that used in the conventional Volterra series. Theoretical analysis has shown that this model is much more flexible in modeling RF PAs with non-Volterra-like behavior, and experimental results confirmed that the new model can produce excellent performance with a relatively small number of coefficients when compared to conventional models.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: IEEE
Journal: IEEE Transactions on Microwave Theory and Techniques
Volume: 63
Issue: 2
Start page: 737
End page: 744
Copyright (published version): 2015 IEEE
Keywords: Behavioral modelingCanonical piecewiselinearDigital predistortionPower amplifiersRadio frequencyVolterra seriesWireless
DOI: 10.1109/TMTT.2014.2387853
Language: en
Status of Item: Peer reviewed
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Appears in Collections:Electrical and Electronic Engineering Research Collection

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