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http://dx.doi.org/10.5515/KJKIEES.2007.18.3.288

A Design of Miniaturized Built-in Penta-Band Chip Antenna for Mobile Handset  

Choi, Hyeng-Cheul (Department of Electronics & Computer Engineering, Hanyang University)
Kim, Hyung-Hoon (Department of Web Design, Kwangju Women's University)
Park, Jong-Il (Department of Electronics & Computer Engineering, Hanyang University)
Kim, Hyeong-Dong (Department of Electronics & Computer Engineering, Hanyang University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.18, no.3, 2007 , pp. 288-297 More about this Journal
Abstract
The novel internal monopole chip antenna of penta-band operation for GSM850/GSM900/DCS/USPCS/WCDMA bands for mobile phones is proposed. This antenna occupies a small volume $8\times3.2\times20mm^3$ and is suitable to be embedded in a mobile phone as an internal antenna. The minimization of the proposed antenna was realized by using spiral line structure and meander line structure on FR-4 of dielectric$(\varepsilon_r=4.4)$. The designed antenna has the wide-band operation in the upper band by overlapping high order resonances. The measured bandwidth of this antenna (VSWR>3) is 150MHz$(1,030\sim1,180\;MHz)$ in the lower band operation and 650 MHz$(1,760\sim2,410\;MHz)$ in higher band operation. The measured radiation efficiency within bandwidth(VSWR 3:1) is over 50 %. The antenna has been designed by a commercial software HFSS.
Keywords
Pent-Band Antenna; Chip Antenna; Spiral Antenna; Meander Antenna;
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