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Location based service system and position information updating method thereof

  • US 20070049289A1
  • Filed: 12/20/2005
  • Published: 03/01/2007
  • Est. Priority Date: 08/25/2005
  • Status: Active Grant
First Claim
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1. A position information updating method comprising the steps of:

  • calculating a predicted position of the mobile communication terminal;

    calculating the actual position of a mobile communication terminal based on global positioning system signals received by the mobile communication terminal;

    comparing the actual position with the predicted position; and

    based on the result of said comparison, transmitting mobile communication terminal position related information to a position information server.

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