Patent ID: 8055128
Filing Date: 2011-11-08
Classification: H04B

Abstract:
1. An optimal launch power computation method, comprising: providing a data store, a network interface, and input/output interfaces; and providing a processor coupled to the data store, the network interface, and the input/output interfaces, wherein the processor is configured to: assign a plurality of demands to a plurality of wavelengths; determine optical equipment based on a network topology and the plurality of wavelengths; compute linear Q for each lightpath in the optical network, wherein each lightpath comprises a start and end of one of the plurality of wavelengths; adjust optical equipment parameters if one or more lightpaths comprise a linear Q below a linear Q threshold and recomputing linear Q for each lightpath in the optical network; compute nonlinear Q for each lightpath in the optical network; and perform nonlinear optimization for optical launch powers on each lightpath in the optical network with a nonlinear Q below a nonlinear Q threshold.