New Formula for Conversion Efficiency of RF EH and its Wireless Applications.

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Author
Chen, Y.
Sabnis-Thomas, K.
Abd-Alhameed, Raed A.
Keyword
Wireless systems; Communications; Energy harvesters; Conversion efficiency; Wireless energy transfer
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© 2016 IEEE. Reproduced in accordance with the publisher's self-archiving policy. Reproduced in accordance with the publisher's self-archiving policy. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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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.
URI
http://hdl.handle.net/10454/7862
Version
Accepted Manuscript
Citation
Chen Y, Sabnis-Thomas K and Abd-alhameed RA (2016) New Formula for Conversion Efficiency of RF EH and its Wireless Applications. IEEE Transactions on Vehicular Technology. Accepted for publication, 4th Jan 2016.
Link to publisher’s version
http://dx.doi.org/10.1109/TVT.2016.2515843
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Article
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