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A Realistically Architecture of WDM Ring Network Using OXC and OADM
IEICE TRANSACTIONS on Communications
Publication Date: 2000/10/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Advanced Internetworking based on Photonic Network Technologies)
WDM, OADM, OXC, coherent crosstalk, OSNR,
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A configuration capable of wavelength routing is indispensable in constructing an optical network that has the IP-over-WDM capability. A ring network based on WDM is one of the configurations that can make wavelength routing possible. As the nodes used to construct a WDM ring network, we have the optical ADM system (OADM) and optical cross connect system (OXC). In this paper, in order to make ring network realistic, we examined a wavelength routing way using the number of possible wavelengths and the number of Node-Connections. A wavelength routing way placement on a lattice letter logically, and the all paths forward by 1 hop or 2 hops. As the parameters for determining the number of nodes and the distance of transmission, we evaluated the deterioration resulting from coherent crosstalk and OSNR. As a result of evaluation, the number of node-passes for 1 hop transmission amounts to less than 20. In addition, when we made a test bed and made evaluations, the results almost coincided with theoretical values.