Method of detecting signal degradation fault conditions within SONET and SDH signals
US6310911A · kind A · utility
25Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1998 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Feb 11, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J2203/006
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a method of detecting signal degradation conditions in synchronous digital signals, the error monitors first detect the presence and/or absence of a particular bit error ratio by integrating received parity errors over time. Subsequently a monitor client reacts to notifications from bit error rate monitors that the state of the presence/absence of specific bit error ratios has changed to generate an alarm condition when appropriate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.