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Method For Reassigning The Role Of A Wireless Node In A Wireless Network

  • US 20130182558A1
  • Filed: 03/06/2013
  • Published: 07/18/2013
  • Est. Priority Date: 09/06/2010
  • Status: Active Grant
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1. A method for maintaining network lifetime of a wireless sensor network of an industrial control or monitoring system, said wireless sensor network comprising a plurality of wireless sensor nodes wherein selected wireless sensor nodes have assigned roles in said wireless sensor network, characterised by determining a below threshold operating condition of a first wireless sensor node assigned to a role and re-assigning the role to a second wireless sensor node in said network, wherein the determining the below threshold operating condition comprises the first wireless sensor node determining the below threshold operating condition and the first wireless sensor node requesting the re-assignment with a release request to a network coordinator of said wireless sensor network.

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