Method and apparatus for reducing echo and crosstalk in a communication system
US7471670B1 · kind B1 · utility
8Cited by
6References
63Claims
0Family size
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Key dates
| Filing date | Jan 20, 2004 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Aug 13, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B3/23
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus describe techniques for reducing interference signals in a communication signal. A communication signal is received through a receiver. The communication signal contains an interference signal. A digital replica of the interference signal is generated, the digital replica is converted into a corresponding analog replica of the interference signal. The analog replica of the interference signal is subtracted from the communication signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.