A broadband Millimeter-Wave rectenna using substrate Integrated Waveguide

被引：0
|
作者：
Zhou, Jie [2 ]
Lu, Ping [1 ]
Liu, Yue [1 ]
Zhang, Dongchen [1 ]
Shi, Jiahe [1 ]
Yang, Yuexin [1 ]
Luo, Mingyi [1 ]
机构：
[1] Sichuan Univ, Sch Elect & Informat Engn, Chengdu 610064, Peoples R China
[2] Chengdu Univ, Sch Elect Informat & Elect Engn, Chengdu 610106, Peoples R China
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2024年 / 184卷
基金：
中国国家自然科学基金;
关键词：
Broadband; circular polarization (CP); dielectric resonator; Ka-band; rectenna; EFFICIENCY; ANTENNA;
D O I：
10.1016/j.aeue.2024.155410
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：
In this paper, a circularly polarized rectenna is proposed for microwave energy transmission, which is composed of a broadband Substrate Integrated Waveguide (SIW) antenna and a rectifier circuit. A dielectric resonator is loaded on the SIW antenna, enhancing the impedance bandwidth. Circular polarization is achieved by chamfering the diagonal of the rectangular patch. Two sections of microstrip branches are employed for good impedance matching over the broadband operation. Measured results show that the proposed rectenna has a good impedance performance (|S-11| < -10 dB) and high RF-DC conversion efficiency (>50 %) over a relative bandwidth of 22.9 % (29-36.5 GHz). The maximum conversion efficiency of 67.5 % is realized at the input power of 18 dBm.
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页数：9
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