In this paper, a novel compact microstrip-fed ultra- wideband (UWB) step-slot antenna with a rotated patch is demonstrated and experimentally studied. With an efiective combination of the step-slot and rotated patch and proper dimensions bandwidth enhancement for UWB operation is obtained. From the simulated and measured results, the enhanced impedance bandwidth is brought up to about 117.5% from 2.88 to 11.08GHz deflned by 10dB return loss. Details of the proposed antenna are described, and experimental results are presented and discussed.
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Song et al. (2011) studied this question.
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