Wireless communication apparatus and its method

Wireless communication device according to an embodiment of the present invention, the first controller for determining the presence or absence of co-channel interference on the basis of the channel monitoring section, the channel state information by monitoring the state of the communication channel according to the communication standard for providing the CSI , if there is interference, including portions of at least one channel of a plurality of adjacent channels that are adjacent to the communication channel interference cancellation signal that transmits the interference cancellation signal, to each other reduces the interference of the other two kinds of communication networks, and more stable wireless It can communicate.