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Method of moments enhancement technique for the analysis of Sierpinski pre-fractal antennas

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4 Author(s)
J. Parron ; Signal Theor. & Commun. Dept., Univ. Politecnica de Catalunya Jordi Girona, Barcelona, Spain ; J. Romeu ; J. M. Rius ; J. R. Mosig

The numerical analysis of highly iterated Sierpinski microstrip patch antennas by the method of moments (MoM) involves many tiny subdomain basis functions, resulting in a very large number of unknowns. The Sierpinski pre-fractal can be defined by an iterated function system (IFS). As a consequence, the geometry has a multilevel structure with many equal subdomains. This property, together with a multilevel matrix decomposition algorithm (MLMDA) implementation in which the MLMDA blocks are equal to the IFS generating shape, is used to reduce the computational cost of the frequency analysis of a Sierpinski based structure.

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:51 ,  Issue: 8 )