Journal Pre-proofs Regular paper A Survey on Low Power RF Rectifiers Efficiency for Low Cost Energy Har- vesting Applications Humberto P. Paz, Vinicius S. Silva, Eduardo V. V. Cambero, Humberto X. Araújo, Ivan R. S. Casella, Carlos E. Capovilla PII: S1434-8411(19)31557-2 DOI: https://doi.org/10.1016/j.aeue.2019.152963 Reference: AEUE 152963 To appear in: International Journal of Electronics and Commu- nications Received Date: 20 June 2019 Accepted Date: 12 October 2019 Please cite this article as: H.P. Paz, V.S. Silva, E.V. V. Cambero, H.X. Araújo, I.R. S. Casella, C.E. Capovilla, A Survey on Low Power RF Rectifiers Efficiency for Low Cost Energy Harvesting Applications, International Journal of Electronics and Communications (2019), doi: https://doi.org/10.1016/j.aeue.2019.152963 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier GmbH.