Power Control in Linear Precoder Design for MIMO DSL Transmission

摘要

An apparatus configured to couple to a plurality of subscriber lines comprising a plurality of transmitters configured to couple to a plurality of physical channels and at least one virtual channel, wherein the number of physical channels equals the number of subscriber lines, a processor configured to compute a precoder matrix to minimize an error value, wherein the error value accounts for an error on each channel subject to a constraint on power for each channel, and a precoder coupled to the processor and configured to use the precoder matrix to jointly process a plurality of data signals to generate a plurality transmit signals for the plurality of physical channels and the at least one virtual channel.

主权项

1. An apparatus configured to couple to a plurality of subscriber lines, the apparatus comprising:
a plurality of transmitters configured to couple to a plurality of physical channels and at least one virtual channel, wherein the number of physical channels equals the number of subscriber lines; a processor configured to compute a precoder matrix to minimize an error value, wherein the error value accounts for an error on each channel subject to a constraint on power for each channel; and a precoder coupled to the processor and configured to use the precoder matrix to jointly process a plurality of data signals to generate a plurality of transmit signals for the plurality of physical channels and the at least one virtual channel.