Patent ID: 7310313

Claim:
An apparatus for transmitting a combinability indication message for control information in a mobile communication system including a mobile station, a plurality of base station systems for transmitting traffic and the control information to the mobile station, and a base station controller connected to the base station systems, for transmitting the control information to the mobile station, the apparatus comprising: a memory for storing control information for base station systems included in an active set of the mobile station and a combinability indication message determined according to whether identical control information can be transmitted via the base station systems; a signaling processor for performing a signaling process for transmitting the combinability indication message to the mobile station; and a controller for checking, during handoff of the mobile station, the base station systems belonging to the active set of the mobile station, stored in the memory, determining whether the identical control information can be transmitted to the mobile station via the base station systems in the active set, generating the combinability indication message according to the determination result, and outputting the generated combinability indication message to the signaling processor.