DIELECTRIC LOADING FOR BANDWIDTH ENHANCEMENT OF ULTRA-WIDE BAND WIRE MONOPOLE ANTENNA
Author(s) -
Irena Zivkovic
Publication year - 2012
Publication title -
progress in electromagnetics research c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 34
ISSN - 1937-8718
DOI - 10.2528/pierc12041704
Subject(s) - omnidirectional antenna , dielectric , lossy compression , bandwidth (computing) , materials science , monopole antenna , acoustics , parametric statistics , radiation pattern , helical antenna , lossless compression , antenna (radio) , optics , antenna efficiency , optoelectronics , electrical engineering , physics , engineering , computer science , telecommunications , mathematics , statistics , data compression , artificial intelligence , computer vision
This work presents the results of numerical simulations and parametric studies of dielectric loaded wire monopole antenna, of which the main advantage is bandwidth enhancement. Introducing dielectric loading makes it possible to tune antenna to operate over a frequency range not covered with unloaded antenna, while maintaining an omnidirectional radiation pattern. The simulations are performed when loading is done with lossy as well as lossless dielectric and the results are compared. The observational frequency range is extended up to 40GHz. In addition, the simulated results are compared with the measured S11 of four fabricated antennas loaded with lossy dielectric and a good agreement is obtained
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