Modeling correlated and uncorrelated distortion in communication systems

Autor: Michael B. Steer, Kevin G. Gard, F.P. Hart, Nuno Borges Carvalho
Rok vydání: 2008
Předmět:
Zdroj: 2008 IEEE Radio and Wireless Symposium.
DOI: 10.1109/rws.2008.4463599
Popis: Simulation technology suitable for extracting correlated and uncorrelated distortion in communication systems is presented. This is achieved through a new frequency- indexing scheme with the arithmetic operator method that separately tracks correlated and uncorrelated intermodulation products when multi-tone signals with uncorrelated phase are amplified through a nonlinear system. The indexing scheme is illustrated with a three-tone example and results from a fifth-order nonlinear amplifier excited by fifteen independent tones are considered. In the example it is shown that undesirable uncorrelated in-band distortion is lower than the innocuous correlated in-band distortion.
Databáze: OpenAIRE