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System and method for scalable and efficient deployment of wireless infrastructure nodes for multiple collocated wireless field device networks

  • US 9,917,902 B2
  • Filed: 09/09/2015
  • Issued: 03/13/2018
  • Est. Priority Date: 09/09/2015
  • Status: Active Grant
First Claim
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1. A wireless infrastructure node comprising:

  • at least one processing device configured to;

    receive a first data packet from a first wireless field device network (WFN) controller, the first data packet comprising a network identifier;

    determine a first field device network to receive the first data packet based on the network identifier;

    transmit the first data packet to a first field device in the first field device network;

    receive a second data packet from a second WFN controller;

    transmit the second data packet to a second field device in a second field device network; and

    prioritize the first data packet over the second data packet based on a higher priority level of the first data packet over the second data packet;

    wherein the wireless infrastructure node, the first WFN controller, and the first field device network comprise a first logical WFN among a plurality of logical WFNs;

    wherein the wireless infrastructure node, the second WFN controller, and the second field device network comprise a second logical WFN among the plurality of logical WFNs; and

    wherein the wireless infrastructure node is one of a plurality of pooled infrastructure nodes configured to communicate between a plurality of WFN controllers and a plurality of field device networks arranged in the plurality of logical WFNs.

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