Wideband High-Gain Omnidirectional Biconical Antenna for Millimeter-Wave Applications

被引：0
作者：
Zhang, Zhi-Yi [1 ,2 ,3 ]
Leung, Kwok Wa [1 ,2 ,3 ]
Lu, Kai [4 ,5 ]
机构：
[1] City Univ Hong Kong, State Key Lab Terahertz & Millimeter Waves, Hong Kong, Peoples R China
[2] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China
[3] CityU Shenzhen Res Inst, Informat & Commun Technol Ctr, Shenzhen 518057, Peoples R China
[4] Sun Yat Sen Univ, Sch Elect & Informat Technol, Guangzhou, Peoples R China
[5] Sun Yat Sen Univ, Guangdong Prov Key Lab Optoelect Informat Proc Chi, Guangzhou, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2023年 / 71卷 / 01期
关键词：
High gain; metal lens; omnidirectional antenna; phase correction; wideband; HIGH-DIRECTIVITY; ARRAY ANTENNA; CONICAL-BEAM; MONOPOLE; DESIGN; GUIDE;
D O I：
10.1109/TAP.2022.3216104
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 novel omnidirectional biconical antenna for millimeter-wave (mm-wave) wireless communications is investigated. It is loaded by an annular metal lens that consists of rotationally symmetric annular metal plates (MPs). A nearly uniform $E$ -field distribution can be obtained at the radiating aperture across a wide frequency range, giving a wideband high-gain omnidirectional antenna. The operating principle and design flowchart of the lens are given. To validate the idea, a Ka-band vertically polarized prototype was fabricated. Both its measured -10 dB impedance and 3 dB gain bandwidths are 43.9% (25.6-40.0 GHz), with the maximum measured gain given by 9.2 dBi. As compared with the conventional biconical antenna, our antenna can obtain a higher gain by similar to 4 dB across the entire impedance passband.
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收藏
页码：58 / 66
页数：9
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