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Mobile communication method and mobile station

  • US 8,983,465 B2
  • Filed: 11/05/2010
  • Issued: 03/17/2015
  • Est. Priority Date: 11/06/2009
  • Status: Active Grant
First Claim
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1. A mobile communication method, comprising:

  • a step of notifying, by a core network device of a first communication scheme not corresponding to a circuit switch service, a mobile station of whether a positioning service for providing location information in response to a request from a predetermined mobile station is supported in a packet switch service of a mobile communication system of the first communication scheme, and whether the positioning service is supported in a circuit switch service of a mobile communication system of a second communication scheme, by using network capability information included in a location registration accept signal or a location information update accept signal; and

    a step of switching, by the mobile station, upon determination that the positioning service is not supported in the packet switch service of the mobile communication system of the first communication scheme and upon determination that the positioning service is supported in the circuit switch service of the mobile communication system of the second communication scheme, based on the network capability information, the packet switch service of the mobile communication system of the first communication scheme to the circuit switch service of the mobile communication system of the second communication scheme after establishing a connection in the packet switch service of the mobile communication system of the first communication scheme, and then transmitting a use request signal of the positioning service in the circuit switch service of the mobile communication system of the second communication scheme, to a core network device of the second communication scheme, the network capability information being received from the core network device of the first communication scheme, and indicating support of the positioning service in the packet switch service of the mobile communication system of the first communication scheme and support of the positioning service in the mobile communication system of the second communication scheme.

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