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NETWORK DIRECTED CELL BROADCASTS FOR EMERGENCY ALERT SYSTEM

  • US 20150072639A1
  • Filed: 11/19/2014
  • Published: 03/12/2015
  • Est. Priority Date: 08/02/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, at a device, broadcast information, wherein the broadcast information comprises information about available broadcast technologies and information about broadcast channels associated with each of the available broadcast technologies;

    storing, by the device, the broadcast information;

    receiving, at the device, an instruction not to engage in broadcast channel monitoring;

    monitoring, by the device, a control channel of the device;

    receiving, at the device, via the control channel, an indication that an alert is being broadcast;

    retrieving, responsive to the request, the stored broadcast information;

    overriding the instruction, wherein broadcast monitoring is enabled as a result of the overriding;

    responsive to the overriding, tuning, based on the retrieved broadcast information, to a broadcast channel of the broadcast channels associated with the available broadcast technologies;

    receiving, via the tuned broadcast channel, an emergency alert broadcast from an emergency alert network; and

    responsive to receiving the emergency alert broadcast, after a predefined period of time has expired on the device, resetting the instruction not to engage in broadcast monitoring.

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