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

页数：7

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