Subhasish Pattnaik

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A multi-input-multi-output (MIMO) capsule shaped dielectric resonator antenna (CDRA)for middle WiMAX band (3.4-3.6 GHz) applications is investigated in this paper. Two feeding mechanisms named coplanar waveguide (CPW) and coaxial probe are used to excite two orthogonal modes of the proposed CDRA. The port 1 provides impedance bandwidth of 9.53% ranging(More)
This paper presents the design of compact coplanar waveguide fed ultra wide band antenna having frequency Notch characteristics. The designed antenna shows a dual band notch characteristic. Hexagonal star type of fractal responsible for creating notched band centered at 5.2 GHz for WLAN elemination has been used in this work. In order to avoid interference(More)
A new economic method for the generation of circular polarization in a dielectric resonator antenna is investigated. The proposed antenna consists of four rectangular dielectric layers, each one is rotated by an angle of 300 relative to its adjacent layers. Utilizing this type of approach produced a circular polarization over a bandwidth of 6.38% ranging(More)
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