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http://dx.doi.org/10.17661/jkiiect.2015.8.1.070

Bandwidth Prediction for the Rectangular Planar Monopole Antenna by Radiation Mode Identification  

Chun, Joong-Chang (Department of Electronic Engineering, Gyeongnam National University of Science and Technology)
Shim, Jae-Ruen (Division of Digital Media Engineering, Busan University of Foreign Studies)
Kim, Tae-Soo (Division of Steel IT Engineering, Uiduk University)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.8, no.1, 2015 , pp. 70-74 More about this Journal
Abstract
In this paper, we have illuminated the radiation modes of rectangular planar antennas to interpret the nature of the wideband characteristic upon which formulas for bandwidth prediction are presented. Rectangular planar antennas are being investigated by many researchers in virtue of relatively simple design and fabrication procedures to replace the cylindrical monopoles. But the design principle for rectangular planar antennas is still based on that of cylindrical monopoles, and the nature of the wideband characteristic and the formula to estimate the upper band frequency are not analyzed yet. In this research, we have shown the patterns of the radiation modes explaining the wideband characteristic and also proposed the upper band frequency with minor modification for the lower band frequency formula based on mode formation principles. Finally we have confirmed the validity of our results, within 10 % accuracy, by the application to some published results.
Keywords
radiation mode; rectangular planar antenna; wide band; UWB; multiple band;
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