Polygonal Patch Antennas with Reactive Impedance Surfaces

Authors: Bilotti, F.; Manzini, M.; Alù, A.; Vegni, L.

Source: Journal of Electromagnetic Waves and Applications, Volume 20, Number 2, 2006 , pp. 169-182(14)

Publisher: VSP, an imprint of Brill

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Abstract:

Here we present an innovative design of microstrip antennas for wide-band mobile communications. In order to obtain reduced back-radiation, while keeping the overall antenna dimensions suitably compact for practical terminals, the proposed radiators are backed by a reactive ground plane, constituted of a suitably designed pattern of metallic patches. Moreover, the operative bandwidth is increased with the use of a proximity coupling feed and the choice of a polygonal patch shape. Some numerical results are reported, obtained through a rigorous Method of Moment numerical tool, to show the effective improvement that this design may offer in the antenna performance for UMTS mobile communication systems.

Document Type: Research article

DOI: 10.1163/156939306775777260

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