Patent ID: 7733871

Claim:
A quality of service (QoS) information controller for controlling QoS information to improve a communication QoS, the QoS information controller comprising: a controller for detecting characteristics of a mobile communication system in an area range that guarantees the QoS information, and generating weight information for selecting the mobile communication system for guaranteeing requested QoS information; a system determining unit for determining the mobile communication system for guaranteeing the requested QoS information by using the generated weight information; a traffic processor for processing a traffic service for each traffic characteristic when the mobile communication system for guaranteeing the requested QoS information is determined by the system determining unit; and a readjusting unit for using the generated weight information, generating a readjusted request message including a system parameter for guaranteeing the requested QoS information, and transmitting the generated message to the controller when the mobile communication system is not determined by the system determining unit.