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Multi-Frequency Cylindrical DRA with Identical Radiations Using HEM 11 δ /HEM 12δ /HEM 111 Modes
P GUPTA, , C KUMAR, Y M M ANTAR
Published in Institute of Electrical and Electronics Engineers Inc.
2018
Pages: 2093 - 2094
Abstract
A multi-frequency cylindrical dielectric resonator antenna (CDRA) excited with three different modes of similar broadside radiation patterns has been explored. Dominant HEM l1 δ and higher order HEM 111 and HEM 12δ modes are excited simultaneously in a conventional CDRA structure with radius to height ratio<1.0. A prototype realized from a block of dielectric constant 10 promises of 6 dBi, 7.3dBi and 9.5dBi peak gains at three operating frequency bands showing symmetrical radiation patterns over the principal planes. This should find suitable applications in modern multi-frequency/multi-band wireless communications. © 2018 IEEE.