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A Very Simple Dual-band Dual-sense Circularly Polarized Square Slot Antenna

  • R. Xu
  • , J. Y. Li
  • , J. Liu
  • , D. J. Wei
  • , K. Wei
  • , Y. X. Qi
  • , J. J. Yang
  • Northwestern Polytechnical University Xian

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

3 Scopus citations

Abstract

A dual-wideband dual-sense circularly polarized (CP) square slot antenna is presented in this paper. The righthand circular polarization (RHCP) in +z direction for the lower frequency is mainly realized by an inverted L-shaped strip (ILSS). And the left-hand circular polarization (LHCP) in +z direction for the upper frequency is mainly achieved by an offset feed structure (OFS). The measured 10-dB return loss bandwidth is 114.7% (1.75-6.46 GHz). Its measured 3-dB axial-ratio (AR) bandwidths in the broadside direction are 60.2 % (1.8-3.35 GHz) in the lower band and 32.7% (4.6-6.41 GHz) in the upper band, which can fully cover all the WLAN and Wi-Fi bands.

Original languageEnglish
Title of host publication2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages123-124
Number of pages2
ISBN (Electronic)9781538671023
DOIs
StatePublished - 2018
Event2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018 - Boston, United States
Duration: 8 Jul 201813 Jul 2018

Publication series

Name2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018 - Proceedings

Conference

Conference2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018
Country/TerritoryUnited States
CityBoston
Period8/07/1813/07/18

Keywords

  • circularly polarized
  • Dual-band
  • dual-sense

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