Low-Profile High-Gain Endfire Antenna With Circular Polarization

被引：2

作者：

Ge, Shangkun ^{[1
,2
]}

Zhang, Qingfeng ^{[1
]}

Rashid, Amir K. ^{[1
]}

Zhang, Yujie ^{[2
]}

Yu, Ming ^{[1
]}

Murch, Ross ^{[3
]}

机构：

[1] Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Guangdong, Peoples R China

[2] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Hong Kong, Peoples R China

[3] Hong Kong Univ Sci & Technol, Inst Adv Study, Dept Elect & Comp Engn, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2022年 / 70卷 / 08期

关键词：

Antennas; Stripline; Propagation constant; Dielectrics; Substrates; Polarization; Helical antennas; Circular polarization; endfire radiation; high gain; low profile; traveling-wave antenna; BROAD-BAND; ARRAY; DESIGN;

D O I：

10.1109/TAP.2022.3164216

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 circularly-polarized (CP) traveling-wave endfire antenna featuring low profile, high gain, and simple feeding structure is presented in this communication. Offset parallel strips with proper dielectric loading are employed in a low-profile substrate to achieve two orthogonal electric field components with equal magnitude and 90 degrees phase difference for CP endfire radiation. Meanwhile, periodic phase-loading technique is used to achieve a proper phase constant for high endfire gain. A prototype is designed and fabricated to verify the proposed method. Experimental results demonstrate CP endfire radiation within a frequency band of 9.78-10.09 GHz. The average endfire gain is 10.3 dBic with an average efficiency of 62.5%.

引用

页码：7181 / 7186

页数：6

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