The paper describes the recent state of the art in hierarchical analog synthesis, with a strong
emphasis on associated techniques for computer-aided model generation and optimization …

Microwave modeling and simulation are essential to designing microwave circuits and
systems. Although fundamental concepts and approaches for modeling and simulation are …

Location estimation of sensor nodes is a key component in many wireless sensor
networks'(WSN) applications such as target tracking, rescue operations, disaster relief and …

Numerical simulation and modelling are witnessing a resurgence. Designing systems with
integrated wireless components, mixed-signal blocks and nanoscale, multi-GHz" digital" …

This paper presents a versatile simulation technique for the time-domain analysis of RF
oscillators. The method blends the superior accuracy and robustness of implicit Runge-Kutta …

Radio-frequency (RF) circuits produce quasiperiodic signals with widely separated time
scales. In the case of autonomous time scales, frequency modulation occurs in addition to …

This paper describes a new computer-aided design tool especially conceived for the
efficient time-domain simulation of highly heterogeneous nonlinear wireless communication …

Nonexistence results for a class of two‐times differential equations with fractional derivatives
of orders between zero and one are presented. Furthermore, the result is extended to a two …

Nonexistence of global solutions to ultraparabolic equations and systems is presented. Our
results fill a gap in the literature on ultraparabolic equations. The method of proof we use …

This paper describes a computer-aided design tool especially conceived for the efficient
time-domain simulation of strongly nonlinear mixed digital, baseband, and RF circuits …