Patent ID: 6771750
Filing Date: 2004-08-03
Classification: H04L

Abstract:
A physical layer transceiver for sending and receiving network signals on a telephone line medium, the physical layer transceiver comprising:an input amplifier for amplifying network signals received from the telephone line medium and outputting amplified received signals; a signal conditioning circuit configured for outputting an envelope signal of the amplified received signals and an energy signal of the amplified received signals; slicer circuits for outputting noise, peak, and data event signals indicating with respect to time whether the envelope signal exceeds a noise threshold, a peak threshold, and a data transition threshold, respectively, and for outputting energy event signals indicating with respect to time whether the energy signal exceeds an energy threshold; and a digital controller configured for controlling the noise, peak, and data transition thresholds based on the noise event signal and the peak event signal, the digital controller outputting data signals to a media access controller via a media independent interface based on at least one of the energy event signals and the data event signals.