Rectangular dielectric resonator antennas
Small Multi-Band Rectangular Dielectric Resonator Antennas for Personal Communication Devices
... high dielectric constant would be required, thus resulting in an unacceptable reduction in bandwidth ...the dielectric constant increases, in fact, the Q of the antenna increases as / , leading to very ...
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Effective Wave Guide Model (Ewgm) for Resonant Frequency Computation of Rectangular Dielectric Resonator Antennas
... INTRODUCTION Dielectric Resonators (DRs) have been widely used in shielded microwave circuits such as cavity resonators, filters and ...metallic antennas. On the other hand, Dielectric ...
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Two-Layer Sapphire Rectangular Dielectric Resonator Antenna for Rugged Communications
... polarized rectangular dielectric resonator antennas with branch-line coupler for wideband applications,” AEU — International Journal of Electronics and Communications, ...of rectangular ...
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Analysis and Design of Rectangular Uniaxial and Biaxial Anisotropic Dielectric Resonator Antennas
... of Rectangular Uniaxial and Biaxial Anisotropic Dielectric Resonator Antennas Saeed Fakhte * and Homayoon Oraizi Abstract—An anisotropic dielectric resonator antenna (ADRA) with ...
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Compact ultra-wideband dielectric resonator antennas
... compact rectangular dielectric resonator antenna (RDRA) for ultra-wideband application that by applying a combination of simple parasitic strip connected to the ground plane, microstrip feed line and ...
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Design and Analysis of Dielectric Resonator Antennas For WLAN Applications
... and dielectric image guide [1], ...feeding dielectric resonator antennas as shown in figure ...the rectangular DRA are excited and radiate like a horizontal magnetic ...
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Compact Band-Notched UWB Dielectric Resonator Antennas
... 4. CONCLUSIONS It is possible to generate band rejections in the operating band of a UWB rectangular stacked DRA by placing printed dipoles on the side of the dielectric resonator that is close to ...
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Dielectric Resonator Antennas with Band Rejection and Frequency Reconfigurability
... a dielectric constant ε r = ...The dielectric resonator (DR) is a cylinder with a radius of 4 mm and a height of 3 ...A rectangular split-ring slot of a width of ...
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Realization of Rectangular Dielectric Resonator Antenna for Broadband Applications
... of antennas that are low profile and small in ...low-profile dielectric resonator antenna using relatively low dielectric constant substrate material has been ...profile dielectric ...
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Deminiaturized Mode Control Rectangular Dielectric Resonator Antenna
... INTRODUCTION Dielectric Resonator Antennas (DRAs) are a promising candidate to replace more traditional and conventional antennas especially at millimeter wave frequencies and ...
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Broadbeam Coplanar-Parasitic Rectangular Dielectric Resonator Antenna
... patch antennas. Dielectric resonator antennas (DRA), however, have been investigated for a wide range of attribute improvement like bandwidth enhancement, sidelobe reduction, achieving modal ...
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Rectangular Ring-Slot Dielectric Resonator Antenna with Metallic Patch
... for antennas such as cylindrical, hemispherical, rectangular ...The rectangular DRA offers practical advantages over the spherical and cylindrical shapes, due to flexibility in choosing aspect ratio ...
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Design of a Compact Rectangular Dielectric Resonator Antenna at 2.4 GHz
... low-profile rectangular DRA have been optimized by extensive simulations using full wave electromagnetic simulator Ansoft ...proposed antennas against the simulation results for ...
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Rectangular Dielectric Resonator Antenna Array for 28 GHz Applications
... It is good to have a minimum number of elements that can provide high gain. This will reduce the overall size of an antenna. Thus, the parametric study on the number of elements is conducted in order to determine number ...
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Investigation of Wideband One-Step Stair-Shaped Dielectric Resonator Antennas
... hemispherical dielectric resonator antenna,” Progress In Electromagnetics Research, ...a rectangular dielectric resonator antenna fed by dielectric image line through narrow ...
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Development of Polymer-Based Dielectric Resonator Antennas for Millimeter-Wave Applications
... 5.7 mm × 2.0 mm and permittivity of 4.2 is coupled by a 4 mm × 1 mm slot on a 35 mm × 35 mm rectangular ground plane. The antenna and the slot are symmetrical under the microstrip line with ∆L = 1 mm. The DRA is ...
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Integrated Ultra-Wideband Plannar Monopole with Cylindrical Dielectric Resonator Antennas
... monopole antennas have received considerable attention due to their attractive advantages, such as ultra-wide frequency band, good radiation characteristic, simple structures, low cost and easy fabrication ...
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Circular Polarized Dielectric Resonator Antennas Using a Single Probe Feed
... Six dielectric resonator antennas for circular polarization, using single probe feeds, are ...of rectangular or circular ...conventional rectangular or cylindrical ...all ...
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A singly fed rectangular dielectric resonator antenna with a wideband circular polarization
... 616 IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, VOL. 9, 2010 Fig. 2. Current distribution along the spiral strip at 4.1 GHz. III. R ESULTS A rectangular DRA prototype has been built using alumina with a ...
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Wideband Rectangular Dielectric Resonator Antenna (DRA) with Slot-Fed Design
... The DR size is selected as a = 28.5 mm, b = 28.5 mm and d = 19.5 mm. The optimized antenna parameters are chosen as follows: g = 4 mm, l f eed = 44 mm, l = 15 mm, w = 26 mm, w t = 20 mm, w b = 4 mm, h 1 = 10 mm, h 2 = 8 ...
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