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Method and apparatus for supporting location services with roaming

  • US 8,185,128 B2
  • Filed: 11/29/2006
  • Issued: 05/22/2012
  • Est. Priority Date: 11/30/2005
  • Status: Active Grant
First Claim
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1. An apparatus supporting location services (LCS) for a mobile station roaming from a home network and communicating with a visited network, the apparatus comprising:

  • at least one processor to;

    receive a location request for a location of the mobile station at a home mobile positioning center (H-MPC) in the home network, wherein the location request is received from an entity;

    determine that the entity is authorized to obtain the location of the mobile station before the location of the mobile station is determined;

    receive first information from the mobile station, wherein the first information comprises an indication of a current network location of the mobile station;

    determine a serving mobile positioning center (S-MPC) in the visited network based on the indication of the current network location of the mobile station;

    request a location of the mobile station from the S-MPC;

    receive second information comprising the location of the mobile station from the S-MPC; and

    send the location of the mobile station received from the S-MPC to the entity as the location of the mobile station when the entity is authorized to receive the location of the mobile station; and

    a memory coupled to the at least one processor.

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