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Efficient Analysis and Design of Novel SIW Leaky-Wave Antenna

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3 Author(s)
Martinez-Ros, A.J. ; Dept. of Commun. & Inf. Technol., Univ. Politec. de Cartagena, Cartagena, Spain ; Gomez-Tornero, J.L. ; Quesada-Pereira, F.

A novel transverse equivalent network is developed in this letter to efficiently analyze a recently proposed leaky-wave antenna in substrate integrated waveguide (SIW) technology. For this purpose, precise modeling of the SIW posts for any distance between vias is essential to obtain accurate results. A detailed parametric study is performed resulting in leaky-mode dispersion curves as a function of the main geometrical dimensions of the antenna. Finally, design curves that directly provide the requested dimensions to synthesize the desired scanning response and leakage rate are reported and validated with experiments.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:12 )