The Analytical Model of Point to Point Network: The Analysis without Termination Node

This paper highlights the analysis of the OSNR of Point to Point Network without OXADM. OXADM node function such as transport, multiplexing, routing, supervision, terminating, and survivability in optical layer with ring and mesh topologies.

In the Point to Point Network without OXADM, the optical signal is affected by several of causes including Pre-Amplifier, Receiver Sensitivity, Receiver Noise Figure, Amplifier Output Power, Number of Channels, Span loss, Noise Figure, Amplified Spontaneous Emission (ASE) and Number of Span. By study and analysis about the causes which affecting the OSNR of the system, we can differentiate the signification of each cause affecting the system. The results in this paper show that the OSNR is directly proportional to the Preamplifier gain. OSNR level decreased as the receiver sensitivity decreased. The increasing in the receiver noise figure is definitely decreasing the performance of the optical network. The amplifier output power also directly proportional to the OSNR. The increasing of the number of channels will increase and contribute to the noise of the optical system. The increasing in loss of each span will contribute to the loss in OSNR. Noise Figure amplified spontaneous emission (ASE) increased will degrade the performance of the system. The OSNR decreased as the number of span increased.

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