A Compact 3-D Multisector Orientation Insensitive Wireless Power Transfer System

被引：6
|
作者：
Kumar, Manoj [1 ]
Kumar, Sundeep [1 ]
Sharma, Ashwani [1 ]
机构：
[1] Indian Inst Technol Ropar, Elect Engn Dept, Bara Phool 40001, Punjab, India
来源：
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2023年 / 33卷 / 03期
关键词：
Angular misalignment; antenna array; internet of things (IoT); multisector wireless energy harvesting; wireless sensor nodes; PERFORMANCE; DESIGN;
D O I：
10.1109/LMWC.2022.3212599
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：
The power conversion efficiency (PCE) in wireless power transfer (WPT) degrades due to angular misalignment between the transmitter (Tx) and the rectenna (Rx) along the azimuth plane. Therefore, a compact 3-D multisector orientation insensitive WPT system is proposed to address this problem. The optimal number of sectors ( $N=8$ ) is determined analytically using patch antenna design equations to mitigate the effects of angular misalignment. In addition, conditions on the receiver antenna radiation pattern are investigated to enhance the performance of the WPT system. Furthermore, the observed conditions are utilized for designing a high gain WPT system at $5.8$ GHz with $N=8$ sectors. The proposed WPT system provides uniform power harvesting capability in the azimuth plane and $51.2\% $ higher power harvesting capacity than the patch antenna WPT system.
引用
收藏
页码：363 / 366
页数：4
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