Apparatus and method for allocating channel in a wireless communication system

end. The art that the invention defined in the claims In a wireless communication system related to a scheduler unit for performing the method and a method for channel assignment. I. Technical Problems to be Solved by the Invention According to the present invention can increase the throughput in a wireless communication system, it is possible to provide fairness, the channel assignment apparatus and method is applicable in an OFDMA wireless communication system. All. Solution subject matter of the invention Method according to the first embodiment of the present invention is a channel allocation method in a radio communication system for performing communication with more than one channel the base station, receiving data rate information of the available channels from the mobile station contained in the cell of the base station process, and the calculated, and the steps of: aligning the dispersion value of the transmission rate information in a predetermined rule, be transmitted to the wireless terminal requires a traffic rate to the variance value of the transmission rate information received from the radio terminal for each channel using the alignment so as to satisfy the dispersion value comprises the step of assigning a channel to a wireless terminal having a maximum data rate for each channel since the channel is Busan value large. la. An important use of the invention And a wireless communications system. Wireless communication system, channel allocation, scheduling, distribution, average.