Optical transmission systems including optical protection systems, apparatuses and methods
US7483629B2 · kind B2 · utility
4Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2007 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Mar 26, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2011/0081
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Optical transmission systems of the present invention include optical protection systems, apparatuses, and methods that provide increased reliability in the system. The optical system generally includes an optical switch having distinct, cooperating dedicated and shared protection sections. The shared protection sections in a plurality of nodes can be configured to provide a protection net, in which a plurality of traffic demands, or working channels, are commonly protected as protection group using one protection channels supported by the protection net.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.