Patent ID: 9473339
Filing Date: 2016-10-18
CPC Classification: H04B,H04L,H04M,H04N,H04Q,H04W

Claim Text:
1. A network system comprising: a G.fast transceiver unit at an operator side (FTU-O), wherein the FTU-O is configured to perform the following during a CHANNEL DISCOVERY 1 stage for a joining line: the network system further comprising a vectoring control entity (VCE) configured to: compute a plurality of upstream post-coder coefficients for one or more active lines and the joining line after the transmission of the O-TG-UPDATE message; and cancel an upstream far-end crosstalk (FEXT) for the active lines and the joining line after the transmission of the O-TG-UPDATE message, wherein estimating and cancelling the upstream FEXT is not used by the FTU-O when estimating the correction of the initial value of the time gap T