ETRI Journal

  • 제31권1호
  • /
  • Pages.74-76
  • /
  • 2009
  • /
  • 1225-6463(pISSN)
  • /
  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
권호 표지

Circular Polarization Dielectric Resonator Antenna Excited by Single Loop Feed

  • Jeon, Sin-Hyung (Department of Electronics and Computer Engineering, Hanyang University) ;
  • Choi, Hyeng-Cheul (Department of Electronics and Computer Engineering, Hanyang University) ;
  • Kim, Hyeong-Dong (Department of Electronics and Computer Engineering, Hanyang University)
  • 투고 : 2008.10.17
  • 심사 : 2008.12.11
  • 발행 : 2009.02.28
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초록

A new feeding method for the circular polarization (CP) dielectric resonator antenna (DRA) is proposed in this letter. Two orthogonal modes (${TE^x}_{{\delta}11}$, ${TE^y}_{1{\delta}1$) of the rectangular DRA are excited by a $90^{\circ}$ phase difference of the differential and common modes currents of the proposed feeding structure. To demonstrate the good CP performance of the proposed method, a right-hand CP DRA for a global positioning system was designed. The impedance bandwidth of the proposed antenna for $S_{11}$ < -10 dB and 3 dB axial ratio bandwidth are about 5.4% and 1.95% at 1.57 GHz, respectively.

키워드

참고문헌

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