Abstract
ABSTRACTControlling of higher order modes and harmonics in an aperture coupled Dielectric Resonator Antenna has been explored. A compact design of improvised feed using defected ground structure (DGS) has been used and up to 15 dB suppression has been experimentally demonstrated covering more than 80% impedance bandwidth. Application of DGS has been discussed and the suppression characteristics have been experimentally demonstrated. No detrimental effect caused by the DGS on the radiations of the fundamental mode has been ensured experimentally. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1980–1983, 2015
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