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has been cited by the following article:

• TITLE: A Novel Ultra-Wideband Monopole Antenna with Band-Stop Characteristic

  AUTHORS: Hadi Jalali Lak, Changiz Ghobadi, Javad Nourinia

  KEYWORDS: Band-Notched Antennas, Band Rejection Antennas, Planar Antennas, Ultra Wideband (UWB)

  JOURNAL NAME: Wireless Engineering and Technology, Vol.2 No.4, October 24, 2011

  ABSTRACT: In this letter, a simple monopole antenna with variable band-notched characteristic for ultra wide band (UWB) function is proposed. Two L-shaped quarter-waveguide resonators coupled to the ground plane with two shorting tracks at the sides of the antenna are used to generate stop-band performance around 5.5 GHz (WLAN). The proposed antenna is fabricated on the substrate FR4 (relative permittivity of 4.7) and has a compact size of 16 × 28.5 × 1.6 mm. The designed antenna has a good impedance matching in 3.1 - 11.4 GHz frequency range with VSWR