Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2007-10-30
2007-10-30
Pascal, Leslie (Department: 2613)
Optical communications
Multiplex
Wavelength division or frequency division
C398S038000, C398S213000
Reexamination Certificate
active
10638378
ABSTRACT:
A method and system for multi-level power management in an optical network is provided. They include three levels of power equalization. The first level of power management equalizes the powers of channels in a band of channels. The second level of power management equalizes the average powers of bands of channels on a fiber. The third level of control equalizes the powers of bands of channels on working and protection fibers for a path in the optical network. As a result, this multi-level power management in the network provides a dynamic, automatic method for the network to adjust to changing operating conditions and configurations and to maintain relatively stable network powers. Each level of power management may be implemented jointly or independently, and operates autonomously so that, for example, one modification comprises continuous first level control and only periodic second level control.
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McCloskey Michael Joseph
Ng Eddie Kai Ho
Donnelly Victoria
Pascal Leslie
Tropic Networks Inc.
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