Digital signal processing device of base station and method for processing data thereof

Various embodiments of the present invention whether relates to an orthogonal frequency division digital signal processor of the base station to handle multiple access method downlink (Down-link) signal in a wireless communication system using a signal is allocated to an input monitoring by a clock control unit for controlling the frequency of a clock to a first characteristic or a second characteristic; And it may include a data processing unit for processing in synchronization with the clock, which is controlled by the input to the clock control unit. However, not limited to the above embodiment can be another embodiment.