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Domain Decomposition Algorithm for Complex Boundary Modeling using the Fourier Split-Step Parabolic Equation

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2 Author(s)
Valtr, P. ; Dept. of Electromagn. Field, Tech. Univ. in Prague ; Pechac, P.

This paper addresses the use of parabolic equation in radiowave propagation problems involving impedance-boundary modeling. The Fourier split-step technique for solving the parabolic equation provides numerical efficiency but lacks the ability to represent complex boundary conditions. A method that makes use of the domain decomposition technique to solve two-dimensional problems of impedance-boundary modeling using the Fourier split-step technique is introduced. A test case, using an urban scenario represented by buildings with various electrical parameters, was used to validate the results given by the method with results obtained by geometrical optics

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Antennas and Wireless Propagation Letters, IEEE  (Volume:6 )