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SYSTEMS AND METHODS FOR CONTROLLING SLEEP STATES OF NETWORK NODES

  • US 20090022078A1
  • Filed: 05/02/2008
  • Published: 01/22/2009
  • Est. Priority Date: 05/02/2007
  • Status: Active Grant
First Claim
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1. A wireless sensor network, comprising:

  • a coordinator node configured to broadcast a beacon; and

    a plurality of sensor nodes including at least a first sensor node and a second sensor node, each of the sensor nodes having a sensor for reading a parameter and configured to transmit data based on the sensor over the network, the first sensor node configured to reply to the beacon, wherein a component of the second sensor node is configured to transition to a sleep state based on whether an identifier of the second sensor node is in the beacon.

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