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Proceedings Paper

Simulation of nonlinear distortion in W-CDMA communication circuits
Author(s): Javier Reina-Tosina; Maria J. Madero; Carlos Crespo-Cadenas; Ramon Freire-Perez
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Paper Abstract

Different circuit-level approaches to study the effects of nonlinear distortion on coded division multiple access (CDMA) wireless communication systems are analyzed. These techniques are used to predict spectral regrowth and baseband signal vector constellation at the output of a nonlinear device. To demonstrate and verify their capability, a simple MESFET amplifier has been tested with a W-CDMA waveform. The active device was widely characterized including the extraction of large-signal model parameters. Measurements were satisfactorily compared with the simulated results.

Paper Details

Date Published: 7 April 2004
PDF: 4 pages
Proc. SPIE 5445, Microwave and Optical Technology 2003, (7 April 2004); doi: 10.1117/12.557834
Show Author Affiliations
Javier Reina-Tosina, Univ. de Sevilla (Spain)
Maria J. Madero, Univ. de Sevilla (Spain)
Carlos Crespo-Cadenas, Univ. de Sevilla (Spain)
Ramon Freire-Perez, Univ. de Sevilla (Spain)

Published in SPIE Proceedings Vol. 5445:
Microwave and Optical Technology 2003

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