Demonstration of IoT Sensors Powered by Ambient RF Energy Harvesting

被引：0
|
作者：
Chiu, Chi-Yuk [1 ]
Ng, Charles [1 ]
Murch, Ross [2 ]
机构：
[1] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Inst Adv Study, Dept Elect & Comp Engn, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
来源：
2024 IEEE INTERNATIONAL WORKSHOP ON ANTENNA TECHNOLOGY, IWAT | 2024年
关键词：
ambient RF; energy harvesting application; feed network; IoT sensors; tri-modal patch antenna array;
D O I：
10.1109/iWAT57102.2024.10535803
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：
Ambient radio frequency (RF) powered Internet of Things (IoT) is a promising batteryless system for collecting environmental information for data exchange among devices. Ambient RF energy harvesting technology is most suitable for use in places that are hidden from light sources and are in difficult to reach places for battery replacement. In this paper, a demonstration of IoT sensors powered by ambient RF energy harvesting is presented. The system we have developed provides all key components from antenna, rectifier, power management unit (PMU), microcontroller unit (MCU) to sensing unit. In addition a novel 3-port antenna element for the systems is also described. The experimental results confirm that ambient RF signals can be regarded as an alternative to power supply in the next generation of wireless communications.
引用
收藏
页码：202 / 205
页数：4
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