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http://dx.doi.org/10.4218/etrij.10.0109.0271

Design of an Internal Antenna with Near-Omnidirectional H-Plane Radiation Pattern over Ultra-wide Bandwidth  

Lee, Young-Ki (Division of Electrical and Computer Engineering, Hanyang University)
Hong, Seok-Jin (Division of Electrical and Computer Engineering, Hanyang University)
Kim, Jeong-Pyo (Division of Electrical and Computer Engineering, Hanyang University)
Choi, Jae-Hoon (Division of Electrical and Computer Engineering, Hanyang University)
Publication Information
ETRI Journal / v.32, no.1, 2010 , pp. 62-67 More about this Journal
Abstract
In this paper, an ultra-wideband internal antenna for use in mobile applications is proposed. The proposed antenna has symmetrical bi-arm structures printed on the top and bottom of the substrate, and it occupies a compact area of 10 mm ${\times}$ 10 mm ${\times}$ 1 mm. The designed antenna has an impedance bandwidth from 3 GHz to 12 GHz and near omnidirectional radiation patterns over the frequency band of interest. The group delay between two antennas fabricated using the proposed design is less than 0.8 ns, and the maximum gain variation is about 3.16 dB.
Keywords
Ultra-wideband (UWB); omnidirectional; radiation patterns; internal antenna;
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