Twining digital subcarrier multiplexed optical signals with OCATA for lightpath provisioning
Digital Twins (DT) are needed in elastic optical networks to enable further advance and pave the way towards autonomous networks. Dynamical models self-adjusting with their physical counterpart have to maintain low computational complexity and guarantee good accuracy, regardless of the network topol...
| Authors: | , , , , , , , , , |
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| Format: | article |
| Publication Date: | 2024 |
| Country: | España |
| Institution: | Universitat Politècnica de Catalunya (UPC) |
| Repository: | UPCommons. Portal del coneixement obert de la UPC |
| Language: | English |
| OAI Identifier: | oai:upcommons.upc.edu:2117/419469 |
| Online Access: | https://hdl.handle.net/2117/419469 https://dx.doi.org/10.1109/JLT.2024.3498342 |
| Access Level: | Open access |
| Keyword: | Digital twin Digital subcarrier-multiplexing systems Quality of transmission estimation Lightpath provisioning Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica |
| Summary: | Digital Twins (DT) are needed in elastic optical networks to enable further advance and pave the way towards autonomous networks. Dynamical models self-adjusting with their physical counterpart have to maintain low computational complexity and guarantee good accuracy, regardless of the network topology and the technology supporting the optical lightpath. In this work, we propose data-driven models based on cascaded learning for single carrier signal as well as digital subcarrier multiplexing signals. Firstly, we explore the potentials of such a DT by proposing an algorithm for lightpath provisioning. In addition, the performances of the proposed models are compared with the ones of analytical models. Secondly, we experimentally evaluate its accuracy to predict the impact of optical filtering penalties. The simulations show an overall good accuracy for different signal formats and demonstrate their viability for lightpath provisioning. Similarly, the experimental results demonstrate the feasibility of implementing such models to estimate the quality of transmission for digital subcarrier multiplexed signals. |
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