The large number of coupled lines in an interconnect structure is a serious limiting factor in simulating high-speed circuits. Waveform relaxation based on transverse partitioning has been previously presented to address this problem for interconnects with constant per-unit-length parameters. This paper extends the waveform relaxation technique to handle the more difficult and important case of frequency-dependent parameters. The computational cost of the proposed algorithm grows linearly with the number of coupled lines.

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IEEE Transactions on Advanced Packaging
Carleton University

Nakhla, N. (Natalie), Ruehli, A.E. (Albert E.), Nakhla, M.S, Achar, R, & Chen, C. (Changzhong). (2007). Waveform relaxation techniques for simulation of coupled interconnects with frequency-dependent parameters. In IEEE Transactions on Advanced Packaging (Vol. 30, pp. 257–269). doi:10.1109/TADVP.2007.896010