Efficient ambient WiFi energy harvesting technology and its applications

@article{Olgun2012EfficientAW,
  title={Efficient ambient WiFi energy harvesting technology and its applications},
  author={Ulgur Olgun and Chi-chih Chen and J. L. Volakis},
  journal={Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation},
  year={2012},
  pages={1-2}
}
This paper is focused on powering wireless devices (including sensors) with high efficiency circuitry that can harvest ambient WiFi/Bluetooth energy and convert into direct current (dc). Herewith, we introduce a novel circuitry to generate a battery-like voltage from very low incoming RF energy (<;-20 dBm). The new RF energy harvesting front-end is demonstrated to have much better conversion efficiency than state-of-the-art commercial RF harvesting modules, notably for low power levels… CONTINUE READING
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