Patent ID: 8743940

Claim:
An apparatus, comprising: a tap coefficient adapter configured to produce a residual signal by removing a signal contribution of a transmit equalizer from signals received in the apparatus, wherein the signals are from a transmitter of a remote device, wherein the transmit equalizer functions according to a plurality of tap coefficients and is part of the transmitter of the remote device, and wherein the tap coefficient adapter is configured to compute revised tap coefficients based on the residual signal; and a transmit equalizer adjuster configured to provide revised tap coefficient settings that are based, at least in part, on the revised tap coefficients to the transmit equalizer of the remote device, wherein the apparatus receives the signals from the remote device over a channel that separates the apparatus from the remote device, wherein the transmit equalizer adjuster includes a revision accumulator configured to accumulate a gradient of revised tap coefficients and wherein the transmit equalizer adjuster periodically transmits revised tap coefficient settings based on the accumulated gradient of revised tap coefficients.