Method and system for channel equalization and crosstalk estimation in a multicarrier data transmission system
US7561627B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2005 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Feb 3, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/03426
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Improved techniques for concurrent channel equalization and far-end crosstalk channel compensation (e.g., estimation and/or cancellation) in a multicarrier data transmission system are disclosed. The improved techniques can produce coefficients for an electronic filter that provide channel equalization and for an electronic filter that provides cancellation of the far-end crosstalk. These coefficients can be initially trained and then subsequently updated during data transmission. Optionally, common coefficient determination resources can be utilized for both far-end crosstalk and near-end crosstalk purposes. These improved techniques are particularly suitable for use with a digital multicarrier communication system having multiple-input multiple-output systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.