Dual-Fed Hollow Dielectric Antenna for Dual-Frequency Operation With Large Frequency Ratio

被引：55
作者：
Feng, Li Ying [1 ,2 ,3 ]
Leung, Kwok Wa [1 ,2 ]
机构：
[1] City Univ Hong Kong, State Key Lab Millimeter Waves, Hong Kong, Hong Kong, Peoples R China
[2] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
[3] Tianjin Univ Technol & Educ, Sch Elect Engn, Tianjin 300222, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2017年 / 65卷 / 06期
关键词：
Dielectric resonator antenna (DRA); dual-frequency antenna; Fabry-Perot resonator antenna (FPRA); FABRY-PEROT CAVITY; RESONATOR ANTENNA; GAIN ENHANCEMENT;
D O I：
10.1109/TAP.2017.2700225
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 new dual-fed dual-frequency antenna that integrates a microwave hollow dielectric resonator antenna (DRA) with a high-gain millimeter-wave dielectric Fabry-Perot resonator antenna (FPRA) is investigated. To obtain the dual-frequency operation, the dielectric and air regions of the hollow DRA are designed to satisfy the resonance condition of the FPRA. The DRA and FPRA are excited by a strip and a WR-34 waveguide, respectively. For demonstration, a prototype that covers both 2.4- and 24-GHz ISM bands was fabricated and tested. The S-parameters, radiation pattern, antenna gain, and antenna efficiency are studied, and reasonable agreement between the measured and simulated results is found.
引用
收藏
页码：3308 / 3313
页数：6
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