Patent ID: 7406052

Claim:
Method for data-signal quality control in an XDSL communications system, said XDSL communications system comprising a transmitter and a receiver, said transmitter being coupled to said receiver over an XDSL line, said transmitter sending a data-signal on data-carriers for carrying said data-signal from said transmitter to said receiver, said method comprising the following steps: a. said receiver analyzing a quality of said data-signal received by said receiver, wherein said method further comprises the following steps: b. said receiver requesting said transmitter, in case said quality of said data-signal is beneath a predefined level to improve said quality of said data-signal, by performing an equal transmit power increase over a plurality of said data-carriers; and c. said transmitter in response to said requesting improving said data-signal by performing an equal transmit power increase over a plurality of said data-carriers.