INTER-NODE SYNCHRONIZATION METHOD IN RADIO NETWORK SYSTEM, RADIO CONTROL SERVER, AND RADIO BEARER SERVER

摘要

When a control message for indicating transfer of a new call is exchanged between a serving radio control server (6a to 6m) and a serving radio bearer server (4a to 4n), time information held by the serving radio control server (6a to 6m) and time information held by the serving radio bearer server (4a to 4n) are set in the control message, and a node synchronization processing for node synchronization between the serving radio control server (6a to 6m) and the serving radio bearer server (4a to 4n) is executed based on a difference between the time information elements, thereby reducing traffic of control messages related to the node synchronization between the radio bearer server and the radio control server, and efficiently performing the node synchronization between the radio control server and the radio bearer server.