Echo cancellation in two-wire, two-way data transmission systems
USRE31253E · kind E · reissue
8Cited by
9References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1980 |
| Grant date | May 24, 1983 |
| Priority date | — |
| Expiry date | Dec 23, 2000 |
Classification
- Technology area (CPC —)General
Abstract
An adaptive echo canceller for two-wire, simultaneous two-way data communication at full bandwidth uses Nyquist-interval, rather than baud-interval, processing to achieve independence from timing discrepancies between near-end and far-end terminals. The entire echo signal, and not merely baud-interval samples thereof, is suppressed. The echo canceller is preferably a transversal structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.