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Solid State Power Amplifier Linearization Using the Concept of Best Approximation in Hilbert Spaces

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4 Author(s)
Aghasi, A. ; Dept. of Electr. Eng., Amirkabir Univ. of Technol., Tehran ; Ghorbani, A. ; Amindavar, H. ; Karkhaneh, H.

Using the mathematical concept of best approximation in Hilbert spaces a predistorter structure is suggested to compensate both AM/AM and AM/PM conversion characteristics of a solid state power amplifier. To verify the effects of this linearization we generally consider it in a QAM signal transmission in an additive white Gaussian noise channel. The results are compared with the ideal linear case

Published in:

Communications, Circuits and Systems Proceedings, 2006 International Conference on  (Volume:4 )

Date of Conference:

25-28 June 2006