Patent ID: 6574475
Filing Date: 2003-06-03
Classification: H04W

Abstract:
A mobile communication system including a plurality of base stations including cells for being connected to through which a mobile terminal may be connected by radio, and a plurality of base station controllers connected between said base stations and a mobile exchange, said mobile communication system comprising:control signal lines connected among said base station controllers operable to transmit control signals to perform soft-handover and to put corresponding base station controllers into a soft-handover state independent of said mobile exchange when said mobile terminal moves between cells; and connection lines connected among said base station controllers operable to maintain communication between said mobile terminal and another terminal in the soft-handover state; each of said base station controllers operable to maintain transmitting/receiving communication signals to/from said mobile exchange during the soft-handover state regardless of the location of said mobile terminal, when the communication starts through said mobile exchange.