A Circular Polarized Rectenna with Out-of-Band Suppression for Microwave Power Transmission

被引：2
|
作者：
Hong, Weijun [1 ,2 ]
Cao, Yanjie [1 ,3 ]
Deng, Li [1 ,3 ]
Li, Shufang [1 ,3 ]
Li, Mengmeng [1 ,3 ]
Liu, Hongjie [2 ]
机构：
[1] Beijing Key Lab Network Syst Architecture & Conve, Beijing, Peoples R China
[2] Beijing Adv Innovat Ctr Future Internet Technol, Beijing, Peoples R China
[3] Beijing Univ Posts & Telecommun, Beijing Lab Adv Informat Network, Beijing, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2016年 / 2016卷
基金：
中国国家自然科学基金;
关键词：
ANTENNA; DESIGN; ARRAY;
D O I：
10.1155/2016/8628496
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 circular polarized rectenna with out-of-band suppression is proposed in this paper. The circular polarization is realized by corner perturbation on a rectangular radiation patch and enhanced by a diagonal slim slot etched at the center of the patch. An open stub connecting to the quarter wavelength impedance transformer is used to suppress out-of-band wave through harmonics notching. The results of simulations and experiments agree very well, which show that the rectenna obtained -19 dB return loss at 2.4 GHz and -15.5 dB,-18.1 dB, and -11.4 dB suppression on second, third, and fourth harmonic frequency bands, respectively. The reflection coefficient in overall out-of-band, up to 10 GHz, is limited up to-3 dB. Integrated with a voltage doubling rectification circuit, the proposed rectenna can obtain 75.5% RF-to-DC conversion efficiency.
引用
收藏
页数：7
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