Patent ID: 8320382

Claim:
A mobile station performing packet communications with a base station in a mobile communication system, comprising: a QoS (quality of service) requirement determination unit configured to determine a QoS required for a data packet; a downlink channel condition estimation unit configured to estimate a downlink channel condition; an identification number extracting unit configured to extract an identification number for the mobile station; a control channel generating unit configured to generate a control channel including the QoS determined by the QoS requirement determination unit, the downlink channel condition estimated by the downlink channel condition estimation unit, and the identification number for the mobile station extracted by the identification number extracting unit; a reservation packet generating unit configured to generate a reservation packet including the control channel generated by the control channel generating unit to reserve multiple slots for burst-generated traffic according to a data size and to reserve multiple periodic slots for periodically-generated traffic; and a transmission unit configured to transmit the reservation packet generated by the reservation packet generating unit.