Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Tunable-Slot-Type Ground Radiation Antenna with Dual Band Operation Using LC Resonator

  • Zahid, Zeeshan (Department of Electronics and Computer Engineering, Hanyang University) ;
  • Kim, Hyeongdong (Department of Electronics and Computer Engineering, Hanyang University)
  • Received : 2016.10.20
  • Accepted : 2017.03.25
  • Published : 2017.04.30
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Abstract

A dual-band tunable-slot-type ground radiation antenna is proposed. The feeding structure consists of a coplanar waveguide and a lumped capacitor to excite currents for first- and second-order resonant modes of the ground. The resonant frequencies of both bands are controlled using a series combination of a capacitor and an inductor. The proposed design may be an attractive choice for mobile devices owing to its compact geometry and tunable operating frequencies. The measurement and simulation results of the proposed antenna show good agreement, indicating good impedance matching and radiation performance.

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References

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