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METHOD AND APPARATUS FOR SELECTING PREFERRED PARENT NODE IN WIRELESS SENSOR NETWORK

  • US 20160182306A1
  • Filed: 02/26/2016
  • Published: 06/23/2016
  • Est. Priority Date: 08/28/2013
  • Status: Active Grant
First Claim
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1. A method for selecting a preferred parent node in a wireless sensor network, comprising:

  • for all received Destination Oriented Directed Acyclic Graph Information Object (DIO) messages, separately acquiring node identification information carried in each of the DIO messages, and generating a parent node set based on all the acquired node identification information;

    selecting a fixed node with a highest performance parameter level as a preferred parent node when it is determined that the parent node set comprises at least two fixed nodes; and

    selecting a mobile node with a highest performance parameter level as the preferred parent node when it is determined that the parent node set does not comprise a fixed node, and comprises at least two mobile nodes.

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