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A compact planar monopole antenna with standard band-notched characteristic suitable for ultra-wideband (UWB) applications is presented. This microstrip-fed antenna, consisting of a bevelled and slotted rectangular planar monopole with a vertical tuning stub, only occupies a small size of 30(W)×35(L) ×1.6(H) mm3 included the ground plane. The length and width of the stub primarily determine the notched...
The ultra wide band (UWB) systems require antennas having a very broad impedance bandwidth. The planar inverted-F antenna (PIFA) is widely used in mobile and portable devices due to its excellent performance. But it is not used as an ultra wide band antenna as it is assumed to be a narrow band antenna. This paper is aimed at addressing this problem by introducing a PIFA antenna having a parasitic...
In this paper, a novel compact butterfly shaped planar monopole ultra-wideband (UWB) antenna is presented. This antenna is proposed and designed with a standard printed circuit board (PCB) process for suitable integration with MMICs and other components. The calculated impedance bandwidth of the proposed antenna ranges from 3 GHz to 12 GHz for a return loss S11 less than -10 dB. Also, it has a relatively...
In this paper, a wideband semi-planar miniaturized antenna is tested in different configurations in the framework of breast imaging. This recently proposed monopole antenna structure has been shown to be considerably compact and to possess stable radiation properties for different ground plane layouts. Features of compactness and stability together with wide impedance matching bandwidth make this...
A novel UWB symmetrical double-beveled planar patch antenna with notch cut fed by a microstrip line is proposed and studied. It is designed for UWB wireless communications. Many techniques have been applied to the designed antenna, which are the use of double bevels, feed gap, partial ground plane and notch cut. The designed antenna can operate over the bandwidth of 161.9% (2.60-17.85 GHz). The parametric...
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