Two-Port Dual-Band Microstrip Square-Ring Antenna for Radar Applications

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A novel two-port, dual-band square-ring microstrip antenna element for wide-angle scanning planar phased array is proposed. The two ports are used to operate the antenna array over the L and S radar bands. Microstrip square-ring radiators are chosen due to their smaller dimensions compared to the conventional microstrip patch. To extend operational bandwidth, the square rings placed into a single layer are fed by small coupling patches. The antenna elements demonstrate consistent radiation patterns and sufficient bandwidths in both operational bands. Due to its dimensions, the element is well-suited for application to wide-scan phased arrays.

Original languageEnglish
Title of host publication10th European Conference on Antennas and Propagation, EuCAP 2016
EditorsMichael Mattes
Number of pages5
ISBN (Electronic)978-8-8907-0186-3
Publication statusPublished - Apr 2016
EventEuCAP 2016: 10th European Conference on Antennas and Propagation - Davos, Switzerland
Duration: 10 Apr 201615 Apr 2016


ConferenceEuCAP 2016

Bibliographical note

Accepted Author Manuscript


  • radar
  • square-ring
  • dual-band
  • two-port
  • phased arrays
  • L-band
  • S-band


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