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In this paper, a compact RDRA has been introduced in which notched chamfered technique with edge metal plate on one side of DRA is used to enhance the bandwidth. The probe feeding is used to excite the DRA as it can be easily optimized by adjusting probe height and its location. The proposed antenna has a simulated impedance bandwidth of 89.20% wide i.e. 3.9GHz to 10.18GHz. (S11 < − 10dB) and 3dB...
New wideband quadrature rectangular dielectric resonator antenna is designed and proposed. The square shaped slots are drilled to obtain wide impedance bandwidth by reduction of effective dielectric constant. Metallization is incorporated along the edges to make the structure compact by removal of dielectric in the direction of symmetry plane of electric field. It results in volume reduction from...
In this paper, a novel Sierpinski Carpet Fractal based Photonic Band Gap (PBG) structure is proposed. The parasitic holes drilled to form the fractal geometry improve the band gap performance. The application of the novel PBG on Hemispherical Dielectric Resonator Antenna (HDRA) improves the impedance bandwidth of operation (S11<-10 dB) from 10.4 % to 21% at 1.82 GHz. The antenna is excited by a...
A novel cup-shaped dielectric resonator antenna (DRA) geometry based on inverted hemispherical dielectric resonator antenna (HDRA) is proposed and investigated. The material used for investigation is Rogers TMM10, which is a ceramic thermoset polymer composite material having a dielectric constant of . The cup-shaped geometry offers a wideband of 83% impedance bandwidth for...
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