Band-Notched UWB Antenna Incorporating a Microstrip Open-Loop Resonator

JR Kelly, Peter Hall, Peter Gardner

Research output: Contribution to journalArticle

95 Citations (Scopus)


Ultrawideband (UWB) systems require band notch filters in order to prevent sensitive components, within the front-end of the receiver, from being overloaded by strong signals. Recently, it has been shown that these filters can be integrated into the UWB antenna, to great advantage. This communication presents a new method for forming a notch band within the frequency response of a UWB antenna. An open loop notch band resonator is located on the back of the substrate, used to support the UWB monopole. The act of separating the resonator from the antenna means that they can now be designed in isolation, using the standard approach described in the literature, and then combined. A prototype was constructed and good agreement has been obtained between simulation and measurement. The radiation patterns are consistent over the frequency range of interest.
Original languageEnglish
Pages (from-to)3045-3048
Number of pages4
JournalIEEE Transactions on Antennas and Propagation
Issue number8
Publication statusPublished - 1 Aug 2011


  • coplanar waveguides
  • ultrawideband (UWB) antennas
  • Band-stop filters
  • monopole antennas


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