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Design of a Short/Open-Ended Slot Antenna with Capacitive Coupling Feed Strips for Hepta-Band Mobile Application

  • Keum, Kyoseung (Department of Electronics and Computer Engineering, Hanyang University) ;
  • Piao, Haiyan (Department of Electronics and Computer Engineering, Hanyang University) ;
  • Choi, Jaehoon (Department of Electronics and Computer Engineering, Hanyang University)
  • Received : 2017.08.11
  • Accepted : 2017.12.24
  • Published : 2018.01.31

Abstract

In this paper, a planar printed hybrid short/open-ended slot antenna with capacitive coupling feed strips is proposed for hepta-band mobile applications. The proposed antenna is comprised of a slotted ground plane on the top plane and two capacitive coupling feed strips with a chip inductor on the bottom plane. At the low frequency band, the short-ended long slot fed by strip 1 generates its half-wavelength resonance mode, whereas the T-shaped open ended slot fed by strip 2 generates its quarter-wavelength resonance mode for the high frequency band. The antenna provides a wide bandwidth covering GSM850/GSM900/DCS/PCS/UMTS/LTE2300/LTE2500 operation bands. Moreover, the antenna occupies a small volume of $15mm{\times}50mm{\times}1mm$. The operating principle of the proposed antenna and the simulation/measurement results are presented and discussed.

Keywords

References

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