Handover method between rass in wibro system

In a portable Internet (WiBro) system presents a handover method between a base station. As the hand-over method of the present invention is a mobile communication terminal requesting handover to the control station through the connected base station, the control station comprising: determining a handover type, and determines the target base station, the handover type is a hard hand between the base station If over-the, the control station a handover request to the mobile communication terminal through the connected base station as the requesting user to check the quality of service for the mobile communication terminal to the target base station, report that the target base station the quality of service is met in the control station transmitting, and drives a timer for a response message to the, as the mobile communication terminal to indicate the handover to the control station through the connected base station, as the controlling station indicating a handover to the target base station, the timer expires , connected to a base station and a controlling station starts buffering of the data packet, the control terminal is connected to the base station Complete the step and the target base station is registered in a mobile communication terminal for transmitting the packet data to the target base station receives from and to the control station, including the step of reporting that the handover is complete, to provide a continuous service on a portable Internet system can. A portable Internet base station, the handover