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A wideband rectangular patch antenna is presented and experimentally investigated in this paper to covering X- and Ku-Bands. The results are given in terms of the reflection coefficient, and the radiation pattern, and the realized gain. The simulated and experimental results are in agreement. The measured result shows that the wideband antenna works around two resonant frequencies of 11.073 GHz and...
In the present paper, a simple and compact a coplanar waveguide (CPW)-Fed hexagonal antenna has been presented. The proposed antenna is composed of a new fractal shaped slot with a hexagonal patch fed. The total size of the presented antenna is 14.5×16.5 mm2, which is designed on Rogers RO4350B substrate and having dielectric constant εr=3.66, a thickness of h=1.524 and loss tangent of 0.004. The...
In this paper, we proposed an annular dielectric resonator antenna loaded with printed monopole antenna for a tri-bands application. The results are given in terms of the reflection coefficient, the radiation pattern and the realized gain. Before loading the dielectric resonator, the broadband monopole antenna works around a resonant frequency of 2.704 GHz and can cover a spectrum of 2.1 GHz. However,...
In this work, a compact rectangular monopole antenna is constructed. The results are given in terms of the reflection coefficient and the radiation pattern. The experimental result shows that the narrow band antenna works around resonant frequency of 5.065 GHz and can cover the spectrum of 272 MHz between 4.926 GHz and 5.198 GHz. The size of the proposed antenna with a slotted-feed line and a Defected...
This paper comprise a novel multiple input multiple output (MIMO) antenna with very compact size of 16×10 mm2. The proposed MIMO antenna contains two opposite facing half cylindrical dielectric resonator antenna (HCDRA) elements excited from two Sub-Miniature version A (SMA) connectors with a characteristic impedance of 50 ohm. The position of coaxial probe is optimized for the first time to enhance...
The paper proposes a compact UWB (Ultra Wide Band) antenna with five band notched covering the frequency range from 2.5 GHz to 11.58 GHz with VSWR (voltage standing wave ratio) less than 2. The proposed antenna has a size of 30×30 mm2. To achieve the rejected band, five slots are inserted in the radiating element and the feed-line including the WiMAX (3.2– 3.6 GHz), C-band (3.8–4.2 GHz and 5.725–7...
The main objective of the present study is to achieve the reconfigurability of a cylindrical dielectric resonator antenna (CDRA). The CDRA is excited with two different modes; the HEMjjg mode is excited via an aperture etched on the ground under the center of the CDRA, where the TM01δ mode is excited from an etched slot under the side of the CDRA, the reconflgurabilty is realized using two PIN diodes...
In this article, a frequency reconfigurable fractal patch antenna using pin diodes is proposed and studied. The antenna structure has been designed on FR-4 low-cost substrate material of relative permittivity εr = 4.4, with a compact volume of 30×30×0.8 mm3. The bandwidth and resonance frequency of the antenna design will be increased when we exploit the fractal iteration on the patch antenna. This...
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