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Bandwidth enhancement of dielectric resonator antenna by loading a low-profile dielectric disk of very high permittivity

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4 Author(s)
Leung, K.W. ; Dept. of Eng., City Univ. of Hong Kong, Kowloon, Hong Kong ; Luk, K.M. ; Chow, K.Y. ; Yung, E.K.N.

The aperture-coupled cylindrical dielectric resonator (DR) antenna loaded by a low-profile DR disk of very high permittivity is studied experimentally. By using the low-profile parasitic DR disk the antenna bandwidth can be increased from 8% bandwidth to 25%. The characteristics of the new configuration are measured and discussed

Published in:

Electronics Letters  (Volume:33 ,  Issue: 9 )