Patent ID: 8462728

Claim:
A method for achieving local anchoring of a mobile node in a wireless system comprising at least first and second radio access networks, at least first and second gateways, each of said first and second gateways being capable of acting as a serving gateway, and a home server, each of said first and second radio access networks being connected to said first gateway and said second radio access network also being connected to said second gateway, the mobile node having a radio link with the first radio access network and a user profile relating to the mobile node being stored in the home server, wherein the first radio access network and the second radio access network have no context transfer interface there between, the method comprising the steps of: assigning the first gateway as a local anchor for the mobile node; updating the user profile relating to the mobile node in the home server with an indication of the first gateway; and when the mobile node moves to the second radio access network, retrieving the indication of the first gateway from the user profile relating to the mobile node in the home server; and keeping the first gateway assigned as a local anchor for the mobile node, based on the retrieved indication of the first gateway.