Method and apparatus for reducing cross talk in broadband...

Details Method and apparatus for reducing cross talk in broadband... Method and apparatus for reducing cross talk in broadband...

H - Electricity

04

L

H04L 5/00 (2006.01) H04L 5/02 (2006.01) H04L 27/00 (2006.01)

Patent

CA 2252357

To accommodate the overlay of broadband information over narrowband signals while reducing cross-talk in upstream and downstream directions, different baseband line codes are used to modulate respective upstream and downstream transmissions on a common wireline communication resource, such as a twisted copper-pair. In this way, filtering components located at each end of a connection can reject cross-talk based upon dissimilar signal characteristics that arise between wanted broadband signals having a first baseband line code and spectrally-shifted cross-talk emanating from interfering broadband signals having a different baseband line code.

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