4.5 Article

RF Energy Harvesting System and Circuits for Charging of Mobile Devices

Journal

IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
Volume 56, Issue 1, Pages 247-253

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCE.2010.5439152

Keywords

RF Energy Harvesting; Ambient circuit; Schottky diode; CMOS design; Resonant circuit

Funding

  1. Korea Western Power Company
  2. Korea Research Foundation (KRF) [KRF-2007-211-D00047]
  3. Korea gov. (MEST) [R01-2007-000-20599-0, 20090069991, M20809005636-08130900-63610]
  4. National Research Foundation of Korea [2007-211-D00047, R01-2007-000-20599-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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RF energy harvesting holds a promise able future for generating a small amount of electrical power to drive partial circuits in wirelessly communicating electronics devices. This paper presents the overview and progress achieved in RF energy harvesting field. A modified form of existing CMOS based voltage doubler circuit is presented to achieve 160% increase in output power over traditional circuits at 0dBm input power. A schottky diode based RF energy harvesting circuit performance is also studied with practical and simulations results.

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