Novel dual band-notched UWB antenna with T-shaped slot and CSRR structure

Guoping Gao, Lele He, Bin Hu*, Xiaodong Cong

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

A dual band-notched ultrawideband antenna is proposed in this article. The antenna consists of a U-shaped radiation patch and a ground plane which is symmetric with the edge of the radiation patch. By attaching two T-shaped slots on the radiation patch and two rectangular complementary split-ring resonators on both sides of the microstrip line, two notched bands, 3.3-3.7 GHz for WiMAX and 5.15-5.825 GHz for WLAN are achieved, respectively. The dimension of the proposed antenna is 24.6 mm × 38.1 mm × 1.5 mm. The measured result shows that the antenna has a wide impedance bandwidth and omnidirectional radiation patterns. Moreover, time-domain characteristics and conceptual circuit model based on the input impedance of the proposed antenna are investigated to verify the dual band-notched characteristics.

Original languageEnglish
Pages (from-to)1584-1590
Number of pages7
JournalMicrowave and Optical Technology Letters
Volume57
Issue number7
DOIs
Publication statusPublished - 1 Jul 2015
Externally publishedYes

Keywords

  • U-shaped monopole
  • UWB antenna
  • band-notched
  • conceptual circuit model
  • time-domain characteristics

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