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Miniaturized dual-polarized ultra-wideband tapered slot antenna

  • Fuguo Zhu
  • , Steven Gao
  • , Anthony T.S. Ho
  • , Tim W.C. Brown
  • , Jianzhou Li
  • , Gao Wei
  • , Jiadong Xu
  • University of Kent
  • University of Surrey
  • Northwestern Polytechnical University Xian

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

A compact dual-polarized tapered slot antenna is proposed for ultra-wideband (UWB) through-wall imaging applications. The dual-polarized antenna is obtained by shifting one single-polarized element orthogonally into the other one. The miniaturization of the antenna is realized by employing a folded balun comprising a folded slot on the right side of the radiator and a stepped microstrip line is used for improving the impedance matching. In addition, the fabrication complexity of the antenna is reduced due to the use of a folded balun. The antenna occupies a small size of 30 × 30 × 16 mm3. Both simulated and measured results confirm that it can achieve a wide impedance bandwidth from 3.1 to over 12 GHz. Both ports have similar radiation characteristics with an isolation of 20 dB and the gain response is varying from 2.5 to 6.8 dBi.

Original languageEnglish
Title of host publicationISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation
Pages446-449
Number of pages4
StatePublished - 2013
Event2013 International Symposium on Antennas and Propagation, ISAP 2013 - Nanjing, China
Duration: 23 Oct 201325 Oct 2013

Publication series

NameISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation
Volume1

Conference

Conference2013 International Symposium on Antennas and Propagation, ISAP 2013
Country/TerritoryChina
CityNanjing
Period23/10/1325/10/13

Keywords

  • compact size
  • dual-polarized antenna
  • folded balun
  • tapered slot antenna
  • UWB antenna

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