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Method for handover between different type MMMB systems

  • US 20050221824A1
  • Filed: 03/02/2005
  • Published: 10/06/2005
  • Est. Priority Date: 03/02/2004
  • Status: Abandoned Application
First Claim
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1. A method for controlling a system mode of an MMMB mobile terminal, which is capable of access to a source system and a target system employing different wireless access technologies from each other, in order to perform hard handover between different types of systems employing the different wireless access technologies from each other, the method comprising the steps of:

  • judging whether or not activation conditions of a target system mode related to the target system are satisfied with respect to the mobile terminal in communication with the source system;

    transmitting an activation instruction message instructing activation of the target system mode to the mobile terminal if the activation conditions are satisfied; and

    performing the mobile terminal'"'"'s handover into the target system if the handover into the target system is determined after the transmission of the instruction message.

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