Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Design and Implementation of Internal Multiband Loop Embedded Monopole Antenna for Mobile Handset

  • Jung, Pil Hyun (Dept. of Electronics Engineering, Incheon National University) ;
  • Yang, Cheol Yong (Dept. of Electronics Engineering, Incheon National University) ;
  • Lee, Seong Ha (Dept. of Electronics Engineering, Incheon National University) ;
  • Yang, Woon Geun (Dept. of Electronics Engineering, Incheon National University)
  • Received : 2013.11.14
  • Accepted : 2013.12.02
  • Published : 2013.12.30
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Abstract

In this paper, we proposed an internal multiband loop embedded monopole antenna for mobile handset that could be used for smart phones. The proposed antenna has a volume of 40 mm(W) ${\times}$ 15 mm(L) ${\times}$ 5 mm(H), ground plane size is 40 mm(W) ${\times}$ 80 mm(L), and covers the GSM900 (Global System for Mobile communications : 880-960 MHz), K-PCS (Korea-Personal Communications Service : 1750-1870 MHz), US-PCS (US Personal Communications Service : 1850-1990 MHz), WCDMA (Wideband Code Division Multiple Access : 1920-2170 MHz), Wibro (2300-2390 MHz), Bluetooth (2400-2483 MHz) and WLAN (Wireless Local Area Network : 2400-2483.5 MHz) bands for VSWR (voltage standing wave ration) less than 3. The proposed loop adding design at middle section of longest branch showed wide impedance bandwidth for the lowest resonance frequency band. The proposed antenna have a lowest resonance frequency band from 738 MHz to 1075 MHz for S11 value of -6dB. A HFSS (High Frequency Structure Simulator) of the Ansys Corporation based on a finite element method is employed to analyze the proposed antenna in the design process and to compare the simulation and experimental results.

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References

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