MOBILE COMMUNICATION SYSTEM, EXTENSION TRANSMISSION/RECEPTION APPARATUS, CONTROLLER, RADIO BASE STATION APPARATUS, RADIO CONTROLLER, MOBILE STATION DEVICE, AND COMMUNICATION METHOD

摘要

PROBLEM TO BE SOLVED: To shorten the route of user data. SOLUTION: An extension exchange server 30 and nodes B20a, 20b transmit/receive user data to be exchanged between MS 10a, 10b by extension transmission/reception for exchanging data in a radio access network 50 without the intervention of an MSC 60 located at the outside of the radio access network 50. COPYRIGHT: (C)2005,JPO&NCIPI