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System for message acknowledgement and data collection in wireless mesh networks

  • US 9,615,308 B2
  • Filed: 08/19/2014
  • Issued: 04/04/2017
  • Est. Priority Date: 08/26/2013
  • Status: Active Grant
First Claim
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1. In a wireless mesh network of communication devices using packet message transmission including a plurality of slave communication devices and at least one control communication device, a slave communication device comprising:

  • a memory storing a virtual routing identifier assigned to said slave communication device in response to increasing range from a control communication device, said virtual routing identifier establishing a time slot during a message frame when the slave communication device is active; and

    a processor configured to, in response to receiving an initiation message from said control communication device, initiate data collection from said slave communication device synchronised relative to a start of an initiation message frame by,cumulatively setting bits in a first acknowledgement message in response to content of a second acknowledgement message received from another slave communication device of said plurality of slave communication devices in an acknowledgement frame that is time-synchronised to the initiation message frame, said first acknowledgement message being synchronized with start of said initiation message frame andinitiating communication of said first acknowledgement message to a destination in a time slot selected in response to the assigned virtual routing identifier.

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