Rectennas for microwave power transmission
- 1 January 2013
- journal article
- Published by Institute of Electronics, Information and Communications Engineers (IEICE) in IEICE Electronics Express
- Vol. 10 (21), 20132009
- https://doi.org/10.1587/elex.10.20132009
Abstract
Microwave power transmission (MPT) has had a long history before the more recent movement toward wireless power transmission (WPT). MPT can be applied not only to beam-type point-to-point WPT but also to an energy harvesting system fed from distributed or broadcasting radio waves. The key technology is the use of a rectenna, or rectifying antenna, to convert a microwave signal to a DC signal with high efficiency. In this paper, various rectennas suitable for MPT are discussed, including various rectifying circuits, frequency rectennas, and power rectennasKeywords
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