The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2012
Filed:
Apr. 21, 2011
Patrick Duvaut, Tinton Falls, NJ (US);
Amitkumar Mahadevan, Eatontown, NJ (US);
Massimo Sorbara, Freehold, NJ (US);
Ehud Langberg, Wayside, NJ (US);
Patrick Duvaut, Tinton Falls, NJ (US);
Amitkumar Mahadevan, Eatontown, NJ (US);
Massimo Sorbara, Freehold, NJ (US);
Ehud Langberg, Wayside, NJ (US);
Ikanos Communications, Inc., Fremont, CA (US);
Abstract
One embodiment is a method for precoding data for transmission in a discrete multi-tone (DMT) system to cancel self-induced far end crosstalk (self-FEXT). The method comprises learning, by the system, characteristics associated with a plurality of N users within a digital subscriber line (xDSL) system to determine an initial off-diagonal multiple input multiple output (MIMO) precoder (ODMP) for a given tone frequency and converging towards an ODMP from the initial ODMP to cancel self-FEXT for the plurality of N users, wherein the ODMP is represented as a zero diagonal matrix containing only off-diagonal terms.