volume | PIER Journals

Abstract

In this paper, a compact dielectric resonator antenna (DRA) with bandnotched characteristics for ultra-wideband applications is presented. A comprehensive parametric study was carried out using CST Microwave Studio suite TM 2011 to analyze and optimize the characteristics of the proposed antenna. Three shapes for the coupling slot were investigated. Simulation results show that the proposed DRA had a -10 dB impedance bandwidth of 23% from 9.97 GHz to 12.558 GHz, and a maximum gain of 7.23 dBi. The antenna had a notched band centered at 10.57 GHz, which increased the reflection coefficient by 23.5 dB, and reduced the gain by 6.12 dB. The optimized designs were verified by experimental tests on fabricated samples.

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Dr. Asmaa H. Majeed

Prof. Abdulkareem S. Abdullah

Prof. Khalil Hassan Sayidmarie

Prof. Raed A. Abd-Alhameed

Dr. Fauzi Elmegri

Dr. James M. Noras