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Design of Survivable Metro-Aggregation Networks based on Digital Subcarrier Routing

Pedro, J. M. ; Costa, N.

Design of Survivable Metro-Aggregation Networks based on Digital Subcarrier Routing, Proc IEEE Global Communications Conference - GLOBECOM, Madrid, Spain, Vol. , pp. - , December, 2021.

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Abstract
The ever-increasing traffic requirements need cost-efficient and reliable solutions. Metropolitan networks are responsible for a large fraction of the telecom infrastructure CAPEX. Albeit the traffic pattern in these networks tends to be hub-and-spoke, the current transceiver deployments do not leverage this feature. This paper describes and models various survivable metro-aggregation network scenarios using point-to-multipoint capable coherent transceivers. The results obtained over a reference mesh network show that these transceivers can reduce total transceiver costs by ∼40% on average.