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Location system and method for client terminals which provide location-base service to mobile terminals

  • US 20070243884A1
  • Filed: 02/20/2007
  • Published: 10/18/2007
  • Est. Priority Date: 12/27/2002
  • Status: Active Grant
First Claim
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1. A location system for a client terminal which provides a location-based service by sending a location request message requesting the location information of a target mobile terminal, comprising a gateway which receives a location request message including service coverage information from said client terminal, and returns an error message to said client terminal if said gateway finds out that a serving node for said target mobile terminal determines from said service coverage information that the target mobile terminal is outside of a service coverage area of said client terminal.

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