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A High-Efficiency RF Harvester with Maximum Power Point Tracking

Author
Gasulla, M.; Robert, F. J.; Jordana, J.; Ripoll, Edgar; Berenguer-Sau, J.; Reverter, F.
Type of activity
Presentation of work at congresses
Name of edition
32nd Eurosensors Conference
Date of publication
2018
Presentation's date
2018-09-09
Book of congress proceedings
Eurosensors 2018, Graz, Austria, September 9-12, 2018: proceedings, volume 2
First page
1
Last page
5
Publisher
Multidisciplinary Digital Publishing Institute (MDPI)
DOI
10.3390/proceedings2131049
Project funding
Holistic approach to powering the nodes of the internet of things
Repository
http://hdl.handle.net/2117/132568 Open in new window
URL
https://www.mdpi.com/2504-3900/2/13/1049 Open in new window
Abstract
This paper presents the implementation of a high-efficiency radiofrequency (RF) harvester, which consists of a rectenna and a maximum power point tracker (MPPT). The rectenna was characterized from -30 dBm to -10 dBm at 808 MHz, achieving an efficiency higher than 60% at -10 dBm. Experimental results also show that the rectenna can be well modelled as a Thévenin equivalent circuit, which allows the use of a simple ensuing MPPT. The complete RF harvester was tested, achieving an overall efficien...
Citation
Gasulla, M. [et al.]. A High-Efficiency RF Harvester with Maximum Power Point Tracking. A: Eurosensors. "Eurosensors 2018, Graz, Austria, September 9-12, 2018: proceedings, volume 2". Basel: Multidisciplinary Digital Publishing Institute (MDPI), 2018, p. 1-5.
Keywords
MPPT, RF harvesting, rectenna, sensor nodes
Group of research
CSC - Components and Systems for Communications Research Group
e-CAT - Electronic Circuits and Transducers

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