作者: Liming Fang , Guozhu Long , Jean Cendrillon Raphael
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摘要: An apparatus comprising a first transceiver at central office (CO) coupled to second customer premise equipment (CPE) via digital subscriber line (DSL), crosstalk precoder the CO, and vectoring control entity (VCE) feedback channel precoder, wherein comprises noise monitor configured detect non-crosstalk in downstream signal from CO CPE, is receive predefined special that indicates whether detected instead of measured error value.