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In this paper, the finite difference time domain (FDTD) method is employed to analyze a novel compact DRA antenna which has small dimension (substrate size is 30×45×1.27 mm^3 and DRA size is 10×10×2.5 mm^3) is proposed for Ultra-Wideband applications. Every Geometrical parameter has different effects on the overall performances of the proposed antenna and the optimal dimensions can be achieved by...
This letter presents a printed monopole antenna with two steps and a circular slot for ultrawide band (UWB) applications. The proposed antenna is fabricated and tested. The proposed antenna has a wide frequency bandwidth of 8.4 GHz starting from 3 GHz up to 11.4 GHz for a return loss (S_11) of less than - 10dB and gain flatness over the frequency range. Measured results show also that the proposed...
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