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LOCATION UPDATE METHOD, HETEROGENEOUS NETWORK COMMUNICATIONS SYSTEM AND DEVICE

  • US 20110072068A1
  • Filed: 11/22/2010
  • Published: 03/24/2011
  • Est. Priority Date: 05/21/2008
  • Status: Active Grant
First Claim
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1. A location update method, comprising:

  • receiving, by an information server, a location update request message of a first interface from a multimode terminal, wherein the request message is sent through the enabled first interface and carries a location update request of a second interface of the multimode terminal and location area information of the first interface;

    searching pre-stored location area mapping information for location area information of the second interface according to the received location area information of the first interface; and

    sending a location update request message of the second interface to a second Paging Coordinator (PC) of a second access network corresponding to the second interface, wherein the request message carries the found location area information of the second interface so that the second PC can update existing location area information of the second interface.

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