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MODULAR WIRELESS MASS EVACUATION NOTIFICATION SYSTEM

  • US 20170301217A1
  • Filed: 06/29/2017
  • Published: 10/19/2017
  • Est. Priority Date: 09/09/2014
  • Status: Active Grant
First Claim
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1. A method for synchronizing a wireless base unit, comprising:

  • a control unit transmitting a system message having a timestamp that includes a control unit transmission time and a cumulative propagation delay time value;

    a wireless base unit receiving the system message having the timestamp via wireless links and updating the cumulative propagation delay time value.

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