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WIRELESS SENSOR NETWORK WAKE-UP RANGE EXTENSION VIA ENERGY HARVESTING AND EDGE DEVICES

  • US 20140254445A1
  • Filed: 03/06/2014
  • Published: 09/11/2014
  • Est. Priority Date: 03/08/2013
  • Status: Active Grant
First Claim
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1. A wake-up radio sensor node, comprising:

  • an energy harvesting circuit for collecting energy from a wireless signal and outputting a voltage based on said collected energy;

    a wake-up circuit comprising a wake-up pulse generator interconnected to said energy harvesting circuit for receiving said output voltage of said energy harvesting signal and using said output voltage to generate a wake-up signal;

    a wireless sensor having a sleep mode and an active mode interconnected to said wake-up circuit to receive said wake-up signal, wherein said sensor is programmed to enter said active mode from said sleep mode in response to receiving said wake-up signal; and

    a power source interconnected to said wireless sensor.

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