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Method of Handling Emergency Bearer Service in Wireless Communication System

  • US 20130016607A1
  • Filed: 01/18/2012
  • Published: 01/17/2013
  • Est. Priority Date: 01/19/2011
  • Status: Active Grant
First Claim
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1. A method of handling an emergency bearer service for a mobile station in a wireless communication system, the method comprising:

  • receiving an attach rejection message with a back-off timer when a network node is applying a non-access stratum (NAS) level congestion control, wherein the attach rejection message is used for rejecting a normal attach procedure; and

    initiating a packet switch (PS) emergency attach procedure when a PS emergency bearer service is initiated during a time of the back-off timer being running.

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