Compact Unilateral Circularly Polarized Dielectric Resonator Antenna

被引：23

作者：

Guo, Lei ^{[1
]}

Leung, Kwok Wa ^{[1
]}

机构：

[1] City Univ Hong Kong, Dept Elect Engn, State Key Lab Millimeter Waves, Hong Kong, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 02期

关键词：

Circular polarization; dielectric resonator antenna (DRA); unidirectional antenna; MAGNETOELECTRIC DIPOLE ANTENNA; PATCH ANTENNA; LOW-PROFILE; BROAD-BAND; PATTERN; DESIGN;

D O I：

10.1109/TAP.2017.2786346

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A compact circularly polarized (CP) unidirectional dielectric resonator (DR) antenna (DRA) with lateral radiation is investigated for the first time. It requires two sets of CP far fields that have complementary patterns. The first set is obtained using the DR TM01 delta and TE01 delta+1 mode. For the second set, the CP DR-loaded slot antenna is used, which is realized by a cutting cross-slot in the ground plane. To demonstrate the idea, a CP unidirectional DRA is designed at 2.4 GHz for wireless local area network applications. A prototype was fabricated and tested, and reasonable agreement between the measured and simulation results is obtained. It was measured that its overlapping impedance and axial ratio bandwidth is 4.9% (2.39-2.51 GHz), with a front-to-back ratio of 15.5 dB at 2.44 GHz.

引用

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页码：668 / 674

页数：7

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