| 摘要 |
The present invention relates to a packet data communication system and a method for use in a packet data communication system. The system includes at least one access network configured to provide a wireless interface between a mobile device and the access network for communication of packet data and a core network including at least one core network node for supporting the communication of packet data on the wireless interface. A controller is provided in association with the access network and configured to monitor at least one condition associated with the wireless interface. If the monitoring indicates that the at least one condition is met, the controller sends messages to the core network node in response to messages from the core network node.
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