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Dynamic Wake-up Time Adjustment Based on Designated Paths Through a Computer Network

  • US 20120113863A1
  • Filed: 11/09/2010
  • Published: 05/10/2012
  • Est. Priority Date: 11/09/2010
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • accessing information revealing nodes in a computer network;

    determining a designated path through the computer network to a root node, the designated path traversing a first subset of the nodes as a directed acyclic graph (DAG) toward the root node, wherein a second subset of the nodes in the computer network that are not along the designated path are configured to communicate with at least one node of the first subset of nodes along the designated path; and

    notifying the nodes in the computer network of the designated path and whether each particular node is included in the first subset or second subset, wherein nodes in the first subset operate according to a first wake-up timer, and wherein nodes in the second subset operate according to a second wake-up timer that is longer than the first wake-up timer.

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