Harmonic Reflection Detection from 915-MHz SDR- Based RF Energy Harvesting Prototype System

Dong Yan Li, Yi Yuan Lin, Tzuen Hsi Huang

研究成果: Conference contribution

1 引文 斯高帕斯(Scopus)

摘要

In this paper the reflection detection of second harmonic from a 915-MHz radio-frequency (RF) energy harvesting prototype system is demonstrated. The prototype system contains an RF power emitter and a power receiver. The power receiver is composed of a rectenna and a commercial power management demoboard. The power emitter includes two commercial software-defined radio (SDR) transceivers to act as a RF power radiator and a harmonic detector for energy harvesting and harmonic reflection detection, respectively. From the experimental results, the transmission power of about +18 dBm are delivered to the rectenna to start up the power management demo board to hunting electrical energy at a distance of 50 cm. By directly reading the measured harmonic power strength with a SDR tool, a detectable harmonic power level difference can be observed. The difference over 10 dB can be obtained. Thus, it can be used as an index signal to identify the directional position of the power receiver.

原文English
主出版物標題2020 IEEE Wireless Power Transfer Conference, WPTC 2020
發行者Institute of Electrical and Electronics Engineers Inc.
頁面106-108
頁數3
ISBN(電子)9781728142388
DOIs
出版狀態Published - 2020 11月 15
事件2020 IEEE Wireless Power Transfer Conference, WPTC 2020 - Seoul, Korea, Republic of
持續時間: 2020 11月 152020 11月 19

出版系列

名字2020 IEEE Wireless Power Transfer Conference, WPTC 2020

Conference

Conference2020 IEEE Wireless Power Transfer Conference, WPTC 2020
國家/地區Korea, Republic of
城市Seoul
期間20-11-1520-11-19

All Science Journal Classification (ASJC) codes

  • 電腦網路與通信
  • 能源工程與電力技術
  • 電氣與電子工程
  • 輻射

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