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Mobile communication system, core network apparatus, and mobile communication terminal

  • US 7,848,269 B2
  • Filed: 08/15/2007
  • Issued: 12/07/2010
  • Est. Priority Date: 08/17/2006
  • Status: Active Grant
First Claim
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1. A core network apparatus configured to be connected to a plurality of base station apparatus each for forming a cell for connecting to a terminal through a wireless link, for being connected to a terminal through said base station apparatus, said core network apparatus comprising:

  • a service area information storage for separately managing the information of an idle mode service area in which a terminal in an idle mode, in which the terminal is not communicating, being connected, and the information of an active mode service area in which a terminal in an active mode, in which the terminal is communicating, being connected, said active mode service area being wider than said idle mode service area, with respect to respective cells of said base station apparatus; and

    a connection controller for keeping the core network apparatus connected to a terminal in the idle mode which is connected to the core network apparatus through a base station apparatus in said idle mode service area as long as said terminal in the idle mode is located in said idle mode service area, and keeping the core network apparatus connected to a terminal in the active mode which is connected to the core network apparatus through a base station apparatus in said active mode service area as long as said terminal in the active mode is located in said active mode service area.

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