Patent ID: 8116279
Filing Date: 2012-02-14
Classification: H04W

Abstract:
1. A mobile communication terminal supporting multi-modal communications comprising: a first interface unit for communicating with a corresponding node on a first communication mode while maintaining an association with a first access network; a second interface unit for communicating with the corresponding node and a second communication mode while maintaining an association with a second access network; a handover determining unit for determining a point in time of completing a handover registration from the first access network to the second access network, the handover registration based at least on communication between the corresponding node and the mobile node; and an association control unit for controlling the first interface unit to release the association with the first access network after the point in time of completing the handover registration; wherein the first interface unit or the second interface unit receives a completion message of the handover registration from the corresponding node, and the handover determining unit determines a point in time of receiving the completion message of the handover registration as the same point in time of the completing the handover registration.