Monitoring control device, optical transmission path monitoring device, and monitoring control method
AssigneeNEC Corporation
InventorDaisuke Katsukura
Life of this patent
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Abstract
A monitoring control device and an optical transmission path monitoring device include a path information reception circuit for receiving optical path information indicating an optical path state when a path of signal light propagating through an optical transmission path is switched; and a transmission coefficient determination circuit for determining a transmission coefficient for use in monitoring a state of the optical transmission path by monitoring light depending on the optical path state.
Claims20
A monitoring control device comprising:
- a path information reception circuit configured to receive optical path information indicating an optical path state when a path of signal light propagating through an optical transmission path is switched;
- and
- a transmission coefficient determination circuit configured to determine a transmission coefficient for use in monitoring a state of the optical transmission path by monitoring light depending on the optical path state.
A monitoring control method comprising:
- receiving optical path information indicating an optical path state when a path of signal light propagating through an optical transmission path is switched;
- and
- determining a transmission coefficient for use in monitoring a state of the optical transmission path by monitoring light depending on the optical path state.
An optical transmission path monitoring method comprising:
- receiving optical path information indicating an optical path state when a path of signal light propagating through an optical transmission path is switched;
- determining a transmission coefficient for use in monitoring a state of the optical transmission path by monitoring light depending on the optical path state;
- sending the monitoring light to the optical transmission path, and receiving return light in which the monitoring light is scattered in the optical transmission path;
- and
- determining a failure of the optical transmission path by using light intensity of the return light and the transmission coefficient.
Dependencies are inferred from the claim text.