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An end loaded planar open sleeve dipole (ELPOSD) antenna over an electromagnetic band gap (EBG) high impedance surface is presented. An ELPOSD consists of a printed dipole with two parasitic elements (sleeves) along its sides and capacitive loading at the end. This antenna is fed from beneath the ground plane by live vias connected to a microstrip to coplanar strip balun. The EBG structure is based...
A planar antenna composing two back-to-back folded dipoles printed on a dielectric substrate is presented and the performances are investigated when it is mounted on a mushroom-like EBG substrate. A wide impedance bandwidth is achieved of 4.95-6.95 GHz for the constructed prototype, about 33.6% of the central frequency. Within the operation band, stable gain and radiation patterns are obtained, and...
In modern wireless communication system design, antennas with wide impedance bandwidth are desirable for numerous reasons. An antenna with a wide impedance bandwidth may be used for transmission and reception of multiple narrowband services in a multi-purpose platform. Alternatively a single wideband service may be of interest for various radar and imaging applications, or for impulse based radio...
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