Patent ID: 7542447
Filing Date: 2009-06-02
Classification: H04W

Abstract:
1. A pool of functional server nodes in a packet data network for controlling a number of radio network control nodes to which mobile terminals are connected, wherein each functional server node forms part of a packet data support node when combined with a media gateway, and wherein control responsibility for connections from a given mobile terminal is assigned to a current functional server node selected from the pool of functional server nodes, said pool of functional server nodes comprising: an interface enabling each functional server node to control any, or a number of, the radio network control nodes; means for initiating by the pool of functional server nodes, a transfer of the control responsibility for the given mobile terminal's connections from the current functional server node to a selected target functional server node in the pool; and means for transferring the control responsibility for the given mobile terminal's connections to the selected target functional server node without interrupting service to the given mobile terminal, said means for transferring comprising: