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An analysis of antenna coupling between arrays on a polyhedron structure

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5 Author(s)
H. Miyashita ; Mitsubishi Electr. Corp., Kanagawa, Japan ; Y. Sunahara ; R. Ishii ; T. Katagi
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Antenna coupling between arrays on a polyhedron structure is investigated. First of all, a high-frequency asymptotic closed-form formula is derived for the mutual admittance between two linearly polarized circular microstrip antennas located on the different faces of a perfectly conducting wedge. The microstrip antennas are modeled by the cavity model, and the mutual coupling caused by the wedge-diffracted field is analyzed by the EMF method using Keller's GTD diffraction coefficients for the diffracted field. Next, the antenna coupling between arrays is calculated and compared with an experimental result. Good agreement between them supports the theory. Finally, the properties of the antenna coupling are described by some numerical simulations

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:41 ,  Issue: 9 )