Compact circularly polarized microstrip antennas using em coupled loop resonators

Junho Choi, Seongmin Pyo, Sang Min Han, Young Sik Kim

Research output: Contribution to journalLetterpeer-review

4 Citations (Scopus)


In this letter, compact loop resonator type circular polarization (CP) antennas with a square ring and an X-shaped meander loop are presented. Both antennas are fed to a microstrip line with electromagnetic coupling. By adjusting the gap and length of a coupled microstrip line, the magnitude and phase conditions of two orthogonal modes for CP can be determined. The proposed antennas show good axial ratios and also good agreements between experimented and simulated results.

Original languageEnglish
Pages (from-to)2658-2661
Number of pages4
JournalIEICE Transactions on Communications
Issue number10
Publication statusPublished - 2010 Oct


  • Circular polarization
  • Coupled feed
  • Microstrip antenna
  • Ring resonator

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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