Computing the scattering matrix of multiport systems

This work presents a new computation method which has been recently introduced, that is capable of extracting the multi-dimensional scattering matrix of even very large-scale, multiport microwave systems, by simulating measurements performed with a multiport, vector network analyzer (VANA) system. The new method may be applied by using any appropriate frequency-domain, 2D or 3D Maxwell-field solver, provided the solver used computes complex field-values everywhere within a given bounded domain. The new computation method, simulates the functions performed by a multiport, vector network analyzer (VANA) system, by computing the real and imaginary components of the complex electromagnetic field, within the internal regions of a set of virtual measurement-lines. Each line is assumed to be connected to one of the ports of the large-scale, multiport microwave system that is to be characterized.