Mixed domain cancellation

A method for canceling unwanted coupling in the analog domain in a received signal to reduce the requirements of a receiver's front-end processing, the method comprising:

• receiving a cancellation signal in the digital domain from a multi-channel cancellation signal generator;
• processing the cancellation signal to isolate one or more most significant bits and one or more least significant bits;
• performing filter processing on the one or more least significant bits to create one or more processed least significant bits;
• converting the one or more most significant bits from the digital domain to the analog domain to create an analog domain cancellation signal;
• subtracting the analog domain cancellation signal from the received signal to create a modified received signal;
• converting the modified received signal to the digital domain;
• and
• subtracting the one or more processed least significant bits from the modified received signal in the digital domain.

A method for canceling unwanted coupling in a received signal received over a communication channel comprising:

• generating a cancellation signal;
• providing the cancellation signal to a mixed signal cancellation system;
• separating the cancellation signal into a first portion and a second portion;
• subtracting the first portion, in an analog format, from the received signal, wherein the second portion comprises one or more least significant bits of the cancellation signal;
• filtering the second portion with a filter to create a filtered second portion;
• and
• subtracting the filtered second portion, in a digital format, from the received signal, wherein subtracting the first portion and the second portion cancels unwanted coupling in the received signal.