Design of A Closely-Spaced-Element Rectenna for Low-Power Wireless Energy Harvesting

被引：0
|
作者：
Hu, Yi-Yao [1 ]
Yu, Xi [1 ]
Sun, Sheng [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu, Peoples R China
来源：
2016 IEEE INTERNATIONAL WORKSHOP ON ELECTROMAGNETICS: APPLICATIONS AND STUDENT INNOVATION COMPETITION (IWEM) | 2016年
关键词：
ARRAY;
D O I：
暂无
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 compact rectenna with two closely spaced elements is proposed for the low-power energy harvesting application. To compensate the low RF-to-dc conversion efficiency of rectifier due to the low input power, an asymmetric configuration of antenna is designed, which achieves 7.3-dBi gain at 2.45 GHz. The rectifier is further embedded in the antenna without any additional circuit area. A prototype with a compact area of 11.5 mm x 60.0 mm is designed and evaluated with an incident power density of 1 mu W/cm(2). The measured results show that the proposed rectenna can produce 26.1-mu W dc power with over 40% RF-to-dc conversion efficiency.
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页数：2
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