A circular-disc monopole antenna with band-rejection function for ultrawideband application

Chow Yen Desmond Sim, Wen Tsan Chung, Ching-Her Lee

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The numerical design method for a microstrip-fed circular-disc monopole (CDM) antenna operating within the ultrawideband (UWB) from 3.1 to 10.6 GHz is initially studied. By simply embedding a pair of U-shaped slots into the ground plane, a band-rejection (band-notch) function at around 5 GHz is achieved. For impedance matching and fine tuning of this proposed antenna, a small rectangular slit is inserted at the top centre of the ground plane. Except within the rejection band, the gain and time-domain characteristics of this antenna has successfully demonstrated that it is applicable to any high data rate short-range wireless communication system that requires a stable signal transmission in the UWB application. The performances of a common UWB CDM antenna without band-rejection function and a similar one with a slot loaded in the radiating circular patch are also investigated and compared with the proposed antenna.

Original languageEnglish
Pages (from-to)1607-1613
Number of pages7
JournalMicrowave and Optical Technology Letters
Volume51
Issue number6
DOIs
Publication statusPublished - 2009 Jun 1

Fingerprint

monopole antennas
Monopole antennas
Ultra-wideband (UWB)
rejection
Antennas
antennas
slots
Antenna feeders
signal transmission
impedance matching
Communication systems
wireless communication
notches
Tuning
embedding
slits
telecommunication
tuning

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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A circular-disc monopole antenna with band-rejection function for ultrawideband application. / Sim, Chow Yen Desmond; Chung, Wen Tsan; Lee, Ching-Her.

In: Microwave and Optical Technology Letters, Vol. 51, No. 6, 01.06.2009, p. 1607-1613.

Research output: Contribution to journalArticle

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