Patent · US Active

Method and apparatus for restoration of optical ring network operating conditions after a fault is repaired

US8036526B2 · kind B2 · utility

10Cited by

6References

25Claims

0Family size

Assignee

ERICSSON AB · SE

Inventors

Antonella Bogoni · Mantova, IT
Roberto Magri · Parma, IT
Riccardo Ceccatelli · Ciambrin, IT

Key dates

Filing date	May 26, 2006
Grant date	Oct 11, 2011
Priority date	—
Expiry date	Sep 28, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04B10/07
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A method and apparatus for restoration of operating conditions of a WDM optical ring network comprising a plurality of amplifiers linked together in a ring after a break or fault has occurred in the network. The method comprises in response to repair of the break or other fault, increasing output power or/and pump power of an amplifier in the network such that the output power or/and pump power increases substantially in accordance with a ramp function.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.