Mobile communication system, radio base station containing control device in the mobile communication system and control method thereof

A radio base station replacement control apparatus which controls replacement of a radio base station in a mobile communication system which comprises a mobile terminal unit in which a calling process and a Node b utilized for cell setting are controlled by the same protocol architecture, said radio base station which communicates with said mobile terminal unit via a radio channel, and a radio controller which controls said radio base station, and is physically separated into first control means for controlling transfer of signaling and second control means for accommodating said radio base station under the control and controlling transfer of user data, wherein said first and second control means are physically independent of each other.

A radio base station replacement control apparatus which controls replacement of a radio base station in a mobile communication system which comprises a mobile terminal unit in which a calling process and a Node b utilized for cell setting are controlled by the same protocol architecture, said radio base station which communicates with said mobile terminal unit via a radio channel, and a radio controller which controls said radio base station, and is physically separated into first control means for performing control independent of a radio transmission scheme and second control means for accommodating said radio base station under the control and performing control depending on a radio transmission scheme, wherein said first and second control means are physically independent of each other.

A radio base station replacement control apparatus which controls replacement of a radio base station in a mobile communication system which comprises a mobile terminal unit in which a calling process and a Node b utilized for cell setting are controlled by the same protocol architecture, said radio base station which communicates with said mobile terminal unit via a radio channel, and a radio controller which controls said radio base station, and is physically separated into first control means for controlling transfer of signaling and second control means for accommodating said radio base station under the control and controlling transfer of user data, said second control means performing control depending on a radio transmission scheme, wherein said first and second control means are physically independent of each other.

A radio base station replacement control apparatus which controls replacement of a radio base station in a mobile communication system, which comprises a mobile terminal unit in which a calling process and a Node b utilized for cell setting are controlled by the same protocol architecture, said radio base station which communicates with said mobile terminal unit via a radio channel, and a radio controller which controls said radio base station, and is physically separated into first control means for controlling a terminal resource of said mobile terminal unit and second control means for accommodating said radio base station under the control and controlling a base station resource of said radio base station, wherein said first and second control means are physically independent of each other.

A radio base station replacement control method in a communication system which comprises a mobile terminal unit in which a calling process and a Node b utilized for cell setting are controlled by the same protocol architecture, a radio base station which communicates with the mobile terminal unit via a radio channel, a radio controller which controls the radio base station, and is physically separated into first control means for controlling transfer of signaling and second control means for accommodating the radio base station under the control and controlling transfer of user data, and a radio base station replacement control apparatus which is provided physically independently of the first and second control means and controls replacement of the radio base station, wherein the method comprises the step of notifying, in response to an external trigger, a radio base station as an object of replacement of identification information of second control means which is to newly accommodate the radio base station.

A program for causing a computer to execute a radio base station replacement control method in a communication system which comprises a mobile terminal unit in which a calling process and a Node b utilized for cell setting are controlled by the same protocol architecture, a radio base station which communicates with the mobile terminal unit via a radio channel, a radio controller which controls the radio base station, and is physically separated into first control means for controlling transfer of signaling and second control means for accommodating the radio base station under the control and controlling transfer of user data, and a radio base station replacement control apparatus which is provided physically independently of the first and second control means and controls replacement of the radio base station, wherein the program comprises the step of notifying, in response to an external trigger, a radio base station as an object of replacement of identification information of second control means which is to newly accommodate the radio base station.