×

Method and apparatus for supporting location services with roaming

  • US 8,504,064 B2
  • Filed: 02/08/2012
  • Issued: 08/06/2013
  • Est. Priority Date: 11/30/2005
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus supporting location services (LCS) for a Secure User Plane Location (SUPL) enabled terminal (SET) 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 SET at a home SUPL location center (H-SLC) in the home network, wherein the location request is received from a LCS client, and wherein the location request comprises a request for a plurality of position fixes for the SET;

    determine that the LCS client is authorized to obtain the location of the SET before the location of the SET is determined;

    receive first information from the SET, wherein the first information comprises an indication of a network location of the SET;

    determine a serving SUPL location center (S-SLC) in the visited network based on the indication of the network location of the SET;

    request a location of the SET from the S-SLC;

    receive second information comprising the location of the SET from the S-SLC;

    send the location of the SET received from the S-SLC to the LCS client as the location of the SET when the LCS client is authorized to receive the location of the SET;

    obtain a plurality of position estimates of the SET for the plurality of position fixes; and

    send the plurality of position estimates to the LCS client; and

    a memory coupled to the at least one processor.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×