Multistandard discrete multi-tone (DMT) digital subscriber line (DSL) system
US7010027B1 · kind B1 · utility
11Cited by
7References
27Claims
0Family size
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Key dates
| Filing date | Nov 24, 1999 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Nov 24, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2607
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A digital subscriber line transmission system using QAM modulation on several equally spaced discrete tones, uses, at a high transmission rate, N=2048/p or 4096/p tones spaced by 4.3125p KHz, where p is a power of 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.