Simulation analysis of WDM
Keywords:
optical network, WDM, LED, transmitterAbstract
An optical network provides a common infrastructure over which a variety of services can be delivered. These networks are also capable of delivering bandwidth in a flexible manner, supports capacity up gradation and transient nature in data transmission. It consists of optical source (LED, LASER) as transmitter and optical fiber as transmission medium with other connectors and photo detector, receiver set. But due to limitation of electronic processing speed, it’s not possible to use all the BW of an optical fiber using a single high capacity channel or wavelength. The primary problem in a WDM network design is to find the best possible path between a source-destination node pair and assign available wavelength to this path for data transmission. To determine the best path a series of measurements are performed which are known as performance matrices. From these performance matrices, the Quality of Service parameters are determined. Here we have designed four different network topologies have been studied and analyzed different number of nodes. We have simulated all these networks with different scenario to obtain the performance matrices. Then we have compared those performance matrices to suggest which network is best under the present case.
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