Miniaturization of Planar Monopole Antenna with Parabolic Edge by Scaling Method
Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.14, No. 5)Publication Date: 2014-10-31
Authors : Tae-Soon Chang; Sang-Won Kang;
Page : 249-254
Keywords : Monopole antenna; Discontinuous CPW; Scaling method;
Abstract
PDF DOWNLOADExport Citation ISSN : 2289-0238(Print) ISSN : 2289-0246(Online) The Institute of Internet, Broadcasting and Communication Vol.14 No.5 pp.249-254 http://dx.doi.org/10.7236/JIIBC.2014.14.5.249 ???? ??? ??? ??? ?? ??? ??? ??? ???? ??? ???,??? Miniaturization of Planar Monopole Antenna with Parabolic Edge by Scaling Method Tae-Soon Chang,Sang-Won Kang Abstract In this paper, minimizing of a parabolic edge planar monopole antenna by scaling method is presented. With the aid of a matching step and discontinuous CPW, the antenna easily adjusts the impedance matching. We used an FR4 dielectric substrate with a dielectric constant of 4.4. The dimensions of the antenna are 26mm×31mm×1.6mm. A return loss value of more than 10dB was found in the 2.37GHz to 10.52GHz (8.15GHz) range of the antenna fed by the discontinuous CPW. The radiation pattern is about the same as that of the dipole antenna at all frequencies. Configuration elements of the antenna except feed part were reduced into the same rate. So, the size of the antenna was decreased and a broadband property was maintained. Therefore, the self-complementary characteristic of the antenna was confirmed. While satisfying the UWB band, having the smallest size in the antenna miniaturized by scaling, when scale was 0.6. The dimensions of the antenna are 15.6mm×18.6mm×1.6mm. The return loss was more than 10 dB of the measured result in the range of 3.07GHz to 12.59GHz (9.52GHz).
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