Robust estimation of nonlinear model coefficients for wireless power amplifiers

Vaskovic, Mina and Djurovic, Z. and Tarczynski, Andrzej and Budimir, Djuradj (2011) Robust estimation of nonlinear model coefficients for wireless power amplifiers. In: The 10th IEEE International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS 2011), 5-8 October 2011, Nis, Serbia..

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In this paper, the general formulas which relate the analytical expression for the fundamental frequency signal and the in-band distortion components to the order of a power amplifier (PA) polynomial modelare derived. A robust method for estimation of coefficients of nonlinear model is presented and applied to a particular amplifier in an impulsive noise environment. Such nonlinear models are used for analyzing performances of the transmitter and developing digital predistortion linearizers. Modelled and experimental results are presented to validate the argument. A very good agreement between modelled and measured results is achieved.

Item Type: Conference or Workshop Item (Paper)
Subjects: University of Westminster > Science and Technology > Electronics and Computer Science, School of (No longer in use)
Depositing User: Rachel Wheelhouse
Date Deposited: 30 Apr 2012 13:04
Last Modified: 17 Sep 2014 15:20

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