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A compact printed monopole antenna with enhanced bandwidth and variable dual band notch for UWB applications

Author

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  • Juin Acharjee
  • Kaushik Mandal
  • Sujit Kumar Mandal
  • Partha Pratim Sarkar

Abstract

This article presents a compact, enhanced bandwidth, and variable dual band notched printed monopole antenna for ultra wideband (UWB) applications. By inserting a simple inverted L-shaped slot in the ground plane and modifying the lower edge of the patch, wider bandwidth with usable fractional bandwidth of 139.2% (3.1–17.3 GHz) is achieved whereas two inverted U-shaped slots in the corner modified patch are embedded to realize two notch bands exactly at WiMAX (3.25–3.75 GHz) and WLAN (5.1–5.9 GHz). A precise design formula is also proposed to calculate the length of the slots. The proposed simple antenna structure with a 50 Ω feed line has been obtained within a small size of 0.11λ × 0.19λ. The simulated results are validated using measured results to show potentiality of the proposed antenna structure in UWB applications.

Suggested Citation

  • Juin Acharjee & Kaushik Mandal & Sujit Kumar Mandal & Partha Pratim Sarkar, 2016. "A compact printed monopole antenna with enhanced bandwidth and variable dual band notch for UWB applications," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 30(15), pages 1980-1992, October.
    • Handle: RePEc:taf:tewaxx:v:30:y:2016:i:15:p:1980-1992
    DOI: 10.1080/09205071.2016.1234419
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