Data transmission system in broadband wireless access system using band AMC and method thereof

A method for receiving data bursts from a base station by a mobile subscriber station according to channel state in a broadband wireless communication system, the method comprising the steps of:

• receiving allocation information which includes information about a sub frequency band containing the data bursts allocated to the mobile subscriber station and information about the number of band AMC subchannels allocated to the mobile subscriber station in the sub frequency band;
• and
• receiving the data bursts according to the allocation information.

A system for transmitting data bursts according to channel state in a broadband wireless communication system, the system comprising:

• a base station for transmitting allocation information to a mobile subscriber station, the allocation information including information about a sub frequency band containing the data bursts to be received by the mobile subscriber station and information about band AMC subchannels representing positions of the data bursts in the sub frequency band;
• and
• the mobile subscriber station for receiving the data bursts from the base station based on the sub frequency band and the band AMC subchannels in the allocation information.