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Location positioning method in handover between networks

  • US 20070243885A1
  • Filed: 03/23/2007
  • Published: 10/18/2007
  • Est. Priority Date: 03/24/2006
  • Status: Active Grant
First Claim
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1. In a method for performing, by a terminal, a triggered positioning with a serving network through a home network in response to a positioning request of an external agent, a location positioning method in handover between networks, comprising:

  • requesting, by the terminal, at least one of event trigger parameters to the home network through a first message while an area event session is ongoing;

    determining, by the home network, the serving network of the terminal by using location identifier included in the first message;

    receiving, by the home network, one or more area identifier information of a target area for which the positioning is requested from the determined serving network; and

    transmitting, by the home network, the at least one of event trigger parameters including the area identifier information to the terminal through a second message.

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