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Ku-Band Dielectric-Loaded SIW Horn for Vertically-Polarized Multi-Sector Antennas

Yousefbeiki, M. ; Mosig , J. ; Fernandes, C. A.

Ku-Band Dielectric-Loaded SIW Horn for Vertically-Polarized Multi-Sector Antennas, Proc European Conf. on Antennas & Propagation - EUCAP, Prague, Czech Republic, Vol. 1, pp. - - -, March, 2012.

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This paper presents a compact and lightweight Ku-band dielectric-loaded H-plane sectoral horn antenna, using the substrate integrated waveguide (SIW) technology, suitable to be utilized as an element of a steerable multi-sector antenna with the ability of scanning a full 360‹ on the horizon. A dielectric loading together with metallic strips in front of the SIW horn aperture are utilized to optimize the performances in terms of bandwidth, gain and front]to]back ratio (FTBR). To experimentally demonstrate the performance of the proposed design, a three]element prototype, intended later to be a part of an eight]sector antenna, has been fabricated. The measurement process of different characteristics of the prototype is discussed in detail and a comparison between simulated and measured results is given.