Patent ID: 8854941
Filing Date: 2014-10-07
Classification: H04B,H04M

Abstract:
1. A method for removing crosstalk interference in a vectored digital subscriber line (DSL) system, the method comprising: extracting unprocessed user data from a vectoring group comprising a plurality of DSL ports implemented by one or more upstream-end DSL modems, wherein the unprocessed user data comprises frequency domain data in one or more DSL ports; transmitting the extracted unprocessed user data over a vector data network to a vectoring control entity (VCE), wherein the VCE comprises one or more vector processor devices and wherein transmitting includes routing the extracted unprocessed user data between a vector router pair in the vector data network, the vector router pair comprising vector routers respectively associated with the vectoring group and the VCE, wherein transmitting further includes generating, by the vector router associated with the vectoring group, a packet having a payload portion containing the extracted unprocessed user data and a packet header portion having information enabling the routing of the packet to the vector router associated with the VCE in the vector data network without direct links between the vector router associated with the vectoring group and the vector routed associated with the VCE; allocating the transmitted unprocessed user data to one or more vector processor devices in the VCE on the basis of DSL tone groupings; the VCE generating processed user data by the VCE processing the unprocessed user data to perform crosstalk cancellation using far-end crosstalk (FEXT) cancellation data and the unprocessed user data for the vectoring group; transmitting the processed user data via the vector data network from the VCE to the plurality of DSL ports from which the unprocessed user data was extracted.