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DESIGN AND DEVELOPMENT OF A WIDEBAND FRACTAL TETRAHEDRON DIELECTRIC RESONATOR ANTENNA WITH TRIANGULAR SLOTS

By K. Trivedi and D. A. Pujara

Full Article PDF (1,369 KB)

Abstract:
In this paper, a fractal tetrahedron shaped dielectric resonator antenna (DRA) design for wideband applications is proposed. Two triangular-shaped fractal slots of different sizes are introduced to reduce Q-factor of DRA and in turn to achieve wide bandwidth (BW). Internal coaxial feeding is utilized for good impedance matching and ease of fabrication. The proposed fractal DRA is fabricated and tested. The measured results are in good accordance with the simulated ones. Measured impedance bandwidth of about 72.3% covering frequency band of 3.8-8.1 GHz is achieved. Good separation between co- and cross-polarized radiation patterns in broadside direction is achieved. Various design parameters and associated results are discussed in this paper.

Citation:
K. Trivedi and D. A. Pujara, "Design and Development of a Wideband Fractal Tetrahedron Dielectric Resonator Antenna with Triangular Slots," Progress In Electromagnetics Research M, Vol. 60, 47-55, 2017.
doi:10.2528/PIERM17061103
http://www.jpier.org/pierm/pier.php?paper=17061103

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