An Efficient CS-CPWL Based Predistorter

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09_02_170_177.pdf(1.06 MB)
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2009-06
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
We study the performance of Hammerstein predistorters (PD) to model and compensate nonlinear effects produced by a high power amplifier with memory. A novel Hammerstein model is introduced that includes, as the basic static nonlinearity, the complex simplicial canonical piecewise linear (CS-CPWL) description. Previous results by the authors have shown that the use of this kind of static nonlinearity leads to an efficient representation of basic nonlinear models. Furthermore, different tradeoffs between modeling capability and performance are considered.
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Digital predistortion, adaptive algorithm, Wiener model, Hammerstein model, piecewise linear function
Citation
Radioengineering. 2009, vol. 18, č. 2, s. 170-177. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2009/09_02_170_177.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
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http://hdl.handle.net/11012/57094
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2009/2
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