Wireless communication device and method

A wireless communication device comprising:

• a communication circuit;
• and
• a feedback signal forming circuit connected to the communication circuit, wherein
• the communication circuit is configured to execute band limiting processing of passing a frequency component corresponding to an nth (n is an integer equal to or greater than two) Nyquist zone in an input signal based on a signal delta sigma modulated in delta sigma modulation processing;
• and
• the feedback signal forming circuit is configured to execute feedback signal forming processing including frequency conversion processing of converting a frequency component that has passed the band limiting processing into a frequency component with a frequency corresponding to a first Nyquist zone, the feedback signal forming processing forming, based on the frequency component that has passed the band limiting processing, a feedback signal used for learning of a distortion model to which an output signal of the delta sigma modulation processing is input and that outputs a distortion reflecting signal reflecting a distortion component of the first Nyquist zone corresponding to a distortion component of the nth Nyquist zone in the input signal.