Cascaded Filter Based Noise and Interference Canceller

A method for suppressing interference on a first communication path associated with a transmission on a second communication path, the method comprising:

• obtaining a sample of the transmission;
• filtering the sample by a plurality of cascaded filters;
• producing an interference compensation signal by adjusting at least one of amplitude, phase, and delay of the filtered signal;
• applying the interference compensation signal to the first communication path;
• and
• suppressing interference on the first communication path in response to applying the interference compensation signal to the first communication path.

An interference compensation device for suppressing interfering signals introduced onto a receive path of a victim receiver by a transmission from a transmitter, comprising:

• a first input for receiving an indication of interference imposed on the victim receiver;
• a first band pass filter comprising a first quality factor for receiving and filtering a sample of the transmission;
• a second band pass filter comprising a second quality factor and disposed along an output signal path of the first band pass filter for further filtering the sample;
• and
• an I/Q modulator disposed along an output of the second band pass filter and operable to produce an interference compensation signal in response to adjusting at least one of amplitude, phase, and delay of the filtered sample based on the indication, the interference compensation signal operable to suppress the interfering signals.