1ms Transceiver and method to recover within less than 1ms from quality degradation

摘要

There are provided methods and transceivers for recovering quality degradation at an operating point of a transceiver within one millisecond, said methods and transceivers comprising a receiver analog front end (Rx AFE), an adaptive digital equalizer, and an adaptive digital canceller an adaptive module including at least one of an adaptive digital equalizer and an adaptive digital canceller (ADEC), a common mode sensor AFE (CMS-AFE), a fast-adaptive canceller mode-conversion canceller (FA-MCC), and a slicer. The Rx AFE receives the signal and provides the signal to the ADEC to generate an equalized signal at the ADEC. The CMS-AFE detects a common mode signal and supplies the common mode signal to the FA-MCC to generate a compensation signal in the FA-MCC. The slicer uses the equalization signal and the compensation signal to generate slicing decisions and slicing errors. In response to acknowledging the degradation, the second transceiver reduces its data transmission rate to improve the detection rate in the transceiver.