ISDN crosstalk cancellation in a DSL system
US7577084B2 · kind B2 · utility
9Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2004 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Jul 8, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/34
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
To reduce the ISDN crosstalk in an incoming DSL signal, a crosstalk canceller observes at least a portion of the crosstalk signal and reproduces an estimate of the crosstalk signal for at least a portion of that signal within the DSL band. The crosstalk canceller applies a canceling signal based on the estimated crosstalk signal to reduce the crosstalk in the received DSL signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.