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Design of a Pot-Shaped Monopole Antenna with Dual Band Notched Characteristics for UWB Application

  • Mok, Kwang Yun (Department of Information and Communication Engineering, Kyungnam University) ;
  • Rhee, Young Chul (Department of Information and Communication Engineering, Kyungnam University) ;
  • Yoon, Joong Han (Department of Electronics Engineering, Silla University)
  • Received : 2016.11.17
  • Accepted : 2017.01.23
  • Published : 2017.01.31

Abstract

A compact planar microstrip-fed ultra-wideband (UWB) antenna with a dual band-notched for UWB application is presented and analyzed. By inserting a U-shaped slot and inverted U-shaped slot into the pot-shaped radiator, two notched bands are achieved. By optimizing the width and length of the U-shaped slots and inverted U-shaped slot, a desired bandwidth of voltage standing wave ratio (VSWR) less than 2.0 can be achieved, ranging from UWB bands with notched dual bands. The proposed antenna is fabricated on an inexpensive FR-4 substrate with overall dimensions of $28.0mm{\times}39.5mm$. The measured results confirm that the proposed antenna covers from 1.775 to over 13.075 GHz with two rejection bands of around 3.325-3.925 GHz and 5.3125-6.025 GHz. In addition, the proposed antenna showed good radiation characteristics and gains in the UWB bands.

Keywords

Dual Band Notched;Pot-Shaped Model;U-Shaped Slot and Inverted U-Shaped Slot;UWB Application

Acknowledgement

Supported by : Ministry of Education, Science, and Technology (MEST), National Research Foundation of Korea (NRF)

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