Wide-Beam Dielectric Resonator Antennas Based on the Fusion of Higher-Order Modes

被引：18

作者：

Ma Boyuan ^{[1
,2
]}

Jin Pan ^{[1
]}

Huang, Shaode ^{[3
]}

Yang, Deqiang ^{[1
]}

Guo, Yongxin ^{[2
,4
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore, Singapore

[3] Chongqing Univ, Sch Microelect & Commun Engn, Chongqing 400044, Peoples R China

[4] Natl Univ Singapore Chongqing Res Inst, Ctr Intelligent Sensing & AI, Chongqing 401123, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2021年 / 69卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Antenna radiation patterns; Gain; Dielectrics; Dielectric resonator antennas; Antennas; Loading; Dipole antennas; Dielectric resonator antennas (DRAs); higher-order modes; mode synthesis; radiation patterns; wide beam; BEAMWIDTH; DESIGN; DRA;

D O I：

10.1109/TAP.2021.3090840

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：

Geometry-induced resonant modes with intrinsic broad beam coverage are synthesized within step-shaped dielectric resonator antennas (DRAs). Following the idea of mode fusion, a synthesized mode inherits and combines the modal features from several conventional ones of regular DRAs. Superior flexibility and design freedom in beam shaping are thus obtained, leading to a 3 dB beamwidth exceeding 200 degrees in both main planes. To form such a broad-beam mode, three regular higher-order modes from rectangular DRAs are chosen and merged. Their modal radiation patterns have fine complementation, meanwhile, they are readily excited by a shared feed. To further demonstrate the mechanism of mode fusion, the modal field distribution of the presented DRAs is analyzed. A design guide is presented as well.

引用

页码：8866 / 8871

页数：6

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