Apparatus and method for rejecting co-channel interference signal

A method for rejecting a NTSC signal from a digital television signal, the method comprising:

• removing the NTSC signal from the digital television signal to generate a digital signal;
• equalizing the digital signal to generate an equalized signal by decision feedback equalization according to a first decision signal;
• slicing the equalized signal to generate the first decision signal;
• filtering the first decision signal to obtain a compensation signal;
• and
• removing the compensation signal from the equalized signal to generate an output signal.

A method of rejecting co-channel interference signal from a first digital signal, comprising:

• filtering the co-channel interference signal from the first digital signal to obtain a second digital signal distorted by a first channel response;
• equalizing the second digital signal to obtain a third digital signal by decision feedback equalization, wherein the decision feedback equalization is performed according to a first decision signal;
• slicing the third digital signal to obtain the first decision signal;
• filtering the first decision signal to generate a fourth digital signal distorted by a second channel response for compensating the first channel response;
• and
• combining the third digital signal and the fourth digital signal to obtain an output signal.