Inversion of channel distortion by adaptive wavelet lifting
US7362816B1 · kind B1 · utility
1Cited by
10References
1Claims
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Key dates
| Filing date | Apr 28, 2003 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Jun 26, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/03528
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for inverting telecommunication channel distortion by adaptive wavelet lifting. The distortion signal is analyzed using wavelet lifting and the inverse filter is computed. Coefficients of the inverse filter are used to either compute a transmission pre-filter or to update the transmitted message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.