Wideband Circularly Polarized Dielectric Rod Antenna | Zendy

Min Guo | Zendy; Jijun Yan | Zendy; ShunShi Zhong | Zendy; Zhu Sun | Zendy

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Wideband Circularly Polarized Dielectric Rod Antenna

Author(s) -

Min Guo,

Jijun Yan,

ShunShi Zhong,

Zhu Sun

Publication year - 2012

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2012/324197

Subject(s) - beamwidth , wideband , dielectric , bandwidth (computing) , antenna (radio) , materials science , optics , analytical chemistry (journal) , physics , computer science , telecommunications , chemistry , optoelectronics , chromatography

A new dielectric rod antenna (DRA) is introduced to produce circular polarization (CP) over a wide frequency band without a complex feed network. Along with the simulated results, measured results of the antenna prototype are presented, showing a 3 dB axial ratio (AR) CP bandwidth of 17.7%. The radiation characteristics of the fabricated antenna are also demonstrated showing the measured gain of better than 6.2 dBi. Moreover, the measured impedance bandwidth (VSWR ≤2) reaches 20.1%, from 8.75 GHz to 10.7 GHz, while the CP beamwidth (AR ≤3 dB) at the central frequency is measured over 120°

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