Title :
Nonlinear RF circuits and systems simulation when driven by several modulated signals
Author :
Carvalho, Nuno B. ; Pedro, José C. ; Jang, Wonhoon ; Steer, Michael B.
Author_Institution :
Inst. de Telecomunicacoes, Univ. de Aveiro, Portugal
Abstract :
The simulation of nonlinear RF circuits and systems driven by digitally modulated signals with a large number of carriers is addressed by combining the envelope transient harmonic balance method with the artificial frequency mapping technique. The co-simulation of low-pass equivalent behavioral models with circuit based models is addressed by simulating the overall wireless communication path. Several application examples are considered, in particular, the modeling of complete wireless communications circuits and systems incorporating the radio channel model.
Keywords :
circuit simulation; equivalent circuits; nonlinear network analysis; artificial frequency mapping; circuit based model; circuit simulation; communication system nonlinearity; digital modulated signals; envelope transient harmonic balance; low-pass equivalent behavioral model; nonlinear RF circuits; nonlinear distortion; wireless communication circuits; Circuit simulation; Circuits and systems; Digital modulation; MIMO; Multiaccess communication; OFDM; Power system modeling; RF signals; Radio frequency; Wireless communication; Circuit simulation; communication system nonlinearities; nonlinear distortion; nonlinear systems;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.2005.862713