Simulation of nonlinear distortion in W-CDMA communication circuits

Javier Reina-Tosina; Maria J. Madero; Carlos Crespo-Cadenas; Ramon Freire-Perez

doi:10.1117/12.557834

7 April 2004 Simulation of nonlinear distortion in W-CDMA communication circuits

Javier Reina-Tosina, Maria J. Madero, Carlos Crespo-Cadenas, Ramon Freire-Perez

Proceedings Volume 5445, Microwave and Optical Technology 2003; (2004) https://doi.org/10.1117/12.557834
Event: Microwave and Optical Technology 2003, 2003, Ostrava, Czech Republic

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.

Citation Download Citation

Javier Reina-Tosina, Maria J. Madero, Carlos Crespo-Cadenas, and Ramon Freire-Perez "Simulation of nonlinear distortion in W-CDMA communication circuits", Proc. SPIE 5445, Microwave and Optical Technology 2003, (7 April 2004); https://doi.org/10.1117/12.557834

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