An apparatus or system for data communications that provides crosstalk cancellation is disclosed. The apparatus or system removes crosstalk interference (e.g., NEXT interference) from received signals on a given line by adaptively estimating the crosstalk interference induced by certain other of the...http://www.google.co.uk/patents/US5887032?utm_source=gb-gplus-sharePatent US5887032 - Method and apparatus for crosstalk cancellation
