Fast start-up in discrete multi-tone (DMT) based communications system
US6452987B1 · kind B1 · utility
29Cited by
6References
63Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1998 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Nov 25, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/03522
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In an Asymmetric Digital Subscriber Loop (ADSL) Discrete Multi-Tone (DMT) system, a DMT receiver uses, during start-up, an automatic gain control (AGC) element and a rotator element in place of a one-tap complex finite impulse response (FIR) filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.