Feasibility of wireless sensors using ambient 2.4GHz RF energy

  title={Feasibility of wireless sensors using ambient 2.4GHz RF energy},
  author={Kenneth Gudan and Sergey Chemishkian and Johathan J. Hull and Matthew S. Reynolds and Stewart J. Thomas},
  journal={2012 IEEE Sensors},
We present a new system for measuring ambient RF energy in the 2.4GHz ISM band. This apparatus is intended to establish the feasibility of harvesting ambient RF energy to power emerging ultra-low-power sensors and microcontrollers. We simultaneously acquire RF measurements from a spatial and polarization diversity antenna system, with both a spectrum analyzer (frequency-selective but slow), and a log amp (wideband but fast), explain key tradeoffs in the measurement configuration, and present a… CONTINUE READING
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