The necessity for computing robustly accurate sensitivities repeatedly for direct solution of nonlinear optimization problems and possibility of dealing with nonlinear circuit elements motivate a revisit of time domain methods. This paper illustrates the possibility of developing an efficient sysnthesis/analytical tool for high-speed interconnect networks by (a) employing a stable and fast time-domain numerical integration scheme to simulate the continuous approximation of the wave equation for transmission lines and to generate highly accurate sensitivities, and (b) using the integrator in multiple-shooting type signal-integrity-constrained non-linear optimizer to obtain values of the design parameters.
Raha, Soumyendu; Shragowitz, Eugene.
Timing Domain Algorithm for Nonlinear Optimization Problems in Interconnect Design.
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