volume | PIER Journals

Abstract

A new tri band rectangular DRA is simulated and tested for wireless communication applications like ISM, Wi-Max, and WLAN. The dielectric resonator antenna structure is excited by a 50 Ω transmission line. The rectangular DRA with concentric square rings is designed to acquire the operation of triple-bands. The parametric analysis of the rectangular DRA has been carried on HFSS tool. The rectangular DRA exhibits triple-band characteristics at 2.16-2.57 GHz, 3.35-4.45 GHz, and 5.35-5.95 GHz, with a fractional bandwidth of 17.3%, 28.1%, and 10.6%, respectively. The implemented concentric square rings are imposed on FR4-substrate material to emphasize the antenna parameters and to minimize the size. The designed DRA has a compact size, good radiation properties and optimal operational bandwidth. To validate the antenna, it is fabricated, and the fabricated DRA results match well with the simulated ones. The antenna is well suitable for wireless communication applications. The fabricated rectangular DRA is measured by using MS2037C Anritsu-Combinational Analyzer.

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Mr. Lavuri Nageswara Rao

Dr. Govardhani Immadi

Dr. Madhavareddy Venkata Narayana

Ms. Ambati Navya

Dr. Aovuthu Sree Madhuri

Dr. Kolasani Rajkamal