Chen, Yunfei, Sabnis-Thomas, Kalen and Abd-Alhameed, R. A. (2016) New formula for conversion efficiency of RF EH and its wireless applications. IEEE Transactions on Vehicular Technology . doi:10.1109/TVT.2016.2515843

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Abstract

Existing works on energy harvesting wireless systems often assume a constant conversion efficiency for the energy harvester. In practice, the conversion efficiency often varies with the input power. In this work, based on a review of existing energy harvesters in the literature, a heuristic expression for the conversion efficiency as a function of the input power is derived by curve fitting. Using this function, two example energy harvesters are used to analyze the realistic performances of wireless relaying and wireless energy transfer. Numerical results show that the realistic performances of the wireless systems could be considerably different from what predicted by the existing analysis.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Energy harvesting, Energy transfer
Journal or Publication Title:	IEEE Transactions on Vehicular Technology
Publisher:	IEEE
ISSN:	0018-9545
Official Date:	7 January 2016
Dates:	Date Event 7 January 2016 Published 4 January 2016 Accepted
Number of Pages:	5
DOI:	10.1109/TVT.2016.2515843
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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