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Method and device for receiving emergency event alert

  • US 8,184,002 B2
  • Filed: 07/14/2009
  • Issued: 05/22/2012
  • Est. Priority Date: 07/28/2008
  • Status: Expired due to Fees
First Claim
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1. A method for receiving an emergency event alert, comprising:

  • discovering, by a receiving unit, an emergency event alert service;

    attaching, by the receiving unit, to the emergency event alert service; and

    receiving, by the receiving unit, an emergency event alert message sent by a distributing unit;

    wherein if multicast address information for the distributing unit to send the emergency event alert is obtained by the receiving unit, attaching to the emergency event alert service comprises;

    sending, by the receiving unit to the distributing unit, a request message for joining a corresponding multicast group; and

    joining the corresponding multicast group to complete attachment of the emergency event alert service.

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