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Dielectric loaded Ultra Wideband monopole antenna integrated in a Universal Serial Bus device

Pires, N. ; Letizia, M. ; Maisenbacher, A. ; Moreira, A. A.

Dielectric loaded Ultra Wideband monopole antenna integrated in a Universal Serial Bus device, Proc European Conf. on Antennas & Propagation - EUCAP, Barcelona, Spain, Vol. 1, pp. 1 - 5, April, 2010.

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Abstract
The present paper reports a planar Ultra Wideband (UWB) monopole antenna designed to operate inside a Universal Serial Bus (USB) dongle. Dielectric loading with inexpensive substrates was used in the design. The built antenna prototype was tested inside the USB device case and connected to a laptop computer. The case effects on antenna performance were studied. Measurements of |S11| with the antenna connected to a laptop, over a metallic table and in a situation close to free space, have shown small effects on the antenna performance.