Quadruple band-notched trapezoid UWB antenna with reduced gains in notch bands

Yunnan Jin, Jinpil Tak, Jaehoon Choi

Research output: Contribution to journalArticle

13 Scopus citations


A compact ultra-wide band antenna with a quadruple band-notched characteristic is proposed. The proposed antenna consists of a slotted trapezoid patch radiator, an inverted U-shaped band stop filter, a pair of C-shaped band stop filters, and a rectangular ground plane. To realize the quadruple notch-band characteristic, a U-shaped slot, a complementary split ring resonator, an inverted U-shaped band stop filter, and two C-shaped band stop filters are utilized in this antenna. The antenna satisfies the -10 dB reflection coefficient bandwidth requirement in the frequency band of 2.88-12.67 GHz, with a band-rejection characteristic in the WiMAX (3.43-3.85 GHz), WLAN (5.26-6.01 GHz), X-band satellite communication (7.05-7.68 GHz), and ITU 8 GHz (8.08-8.87 GHz) signal bands. In addition, the proposed antenna has a compact volume of 30 mm× 33.5 mm× 0.8 mm while maintaining omnidirectional patterns in the H-plane. The experimental and simulated results of the proposed antenna are shown to be in good agreement.

Original languageEnglish
Pages (from-to)35-43
Number of pages9
JournalJournal of Electromagnetic Engineering and Science
Issue number1
StatePublished - 2016 Jan 1


  • Band-stop element
  • Four notches
  • Radiation pattern
  • Reduced gain
  • Ultra-wide band

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