Patent ID: 7120211

Claim:
A method for reducing radio frequency interference (RFI) in a discrete multitone (DMT) modulated signal, the method comprising the steps of: identifying one or more bins of a plurality of DMT bins of the signal as corrupted by RFI based at least in part on a comparison of a RFI canceller coefficient associated with each bin and a predetermined threshold, the RFI canceller coefficient being representative of a correlation between noise at the bin and RFI at a reference bin; selecting at least one reference bin from the one or more corrupted bins based at least in part on a comparison of the RFI canceller coefficient of the one or more corrupted bins; and estimating, for the at least one corrupted bin, an RFI disturbance at the corrupted bin based at least in part on the RFI canceller coefficient of the corrupted bin and a noise error of a reference bin proximate to the bin.