Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Design of CPW-Fed Small Multi-Band Antenna by Using Band Rejection Semicircle Slot

  • Li, Xiao (Information and Communication Engineering, Chungbuk National University) ;
  • Lee, Seung-Woo (Information and Communication Engineering, Chungbuk National University) ;
  • Kim, Nam (Information and Communication Engineering, Chungbuk National University) ;
  • Kim, Chul-Ho (Information and Communication Engineering, Chungbuk National University)
  • Received : 2011.04.14
  • Published : 2011.09.30
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Abstract

This paper presents a CPW-fed antenna with three slots. The proposed antenna can operate at 1.9~2.1 GHz and 2.9~3.3 GHz which are generated by the two rectangular slots, and 4.5~11.6 GHz which is generated by the main patch. The semicircle-slot is used as a band-notched filter to stop at a desired band (5.150~5.825 GHz) limited by IEEE 802.11a or HIPERLAN/2 applications. The currents concentrate around corresponding slots at the desired band. The proposed antenna is very small in size, with overall dimensions of $27{\times}32{\times}1\;mm^3$ etched onto an FR4-printed circuit board (PCB).

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References

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