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B5G-OPEN 2nd Newsletter

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ECOC 2022

The European Conference on Optical Communication (ECOC) is the largest optical communications conference on the continent and one of the oldest and most prominent conferences worldwide. B5G-Open participants shared numerous presentations and articles during the conference with significant involvement in the Multiband Workshop.

This workshop presented the state-of-the art and future trends of MB devices and technologies. Additionally, it covered where and when MB networks are anticipated to debut, as well as the operators' adoption strategies for MB networks. The program  then went over further topics such as redesigning end-to-end architectures, MB switching technologies, and SDN control to address the implications of the availability of MB. The papers presented were:

• Beyond C+L band Systems: Is there a Solid Business Case? -  J. Pedro 
• Network upgrades exploiting multi band - N. Sambo
• Benefits of Multiband Optical Networks from a Telecom Operator’s perspective - E. Hugues-Salas 
• Control Plane Challenges for Optical Multiband Networks - R. Casellas

During the 2022 ECOC a seminar was hosted with representatives from global network operators and network solutions providers addressing innovations in coherent pluggables, including network use cases for XR optics from BT, TIM and Telefónica.

Open XR Forum: The Future of Coherent Pluggables

The Open XR Forum is the multi-source agreement (MSA) working group for XR optics, the industry’s first point-to-multipoint coherent pluggable transceiver technology. During  seminar, our B5G-OPEN representatives (O. González de Dios, E. Echeverry) presented the iFUSION Telefonica Initiative and introduced the current status for the implementation of Open Standard-based interfaces in the network.

Is there Room for Quantum Photons in my Access Network?

A. Pagano, A. Manzalini, M. Valvo

This paper provides theoretical discussion and experimental results about the challenges related to the deployment of a quantum key distribution optical layer in metro-access, discussing resource sharing and constraints related to the coexistence of heterogeneous optical technologies.

A Network Dimensioning Algorithm for Exploiting the Capabilities of Subcarrier-based Point-to-Multipoint Coherent Optics

J.M. Martinez 

The paper presents the first dimensioning algorithm for optical networks with subcarrier-based Point-to-Multipoint (P2MP) using coherent transceivers. The results present a cost analysis exploring the benefits of P2MP coherent optics on a metro aggregation use case compared to P2P.

Link and Network-wide Study of Incoherent GN/EGN Models 

F. Arpanaei, M.R. Zefreh, J.A.Hernandez, A. Carena, D.Larrabeiti

An unprecedented comparison of closed-form incoherent GN (InGN) models is presented with heterogeneous spans and partially loaded links in elastic optical networks. Results reveal that with accumulated dispersion correction and modulation format terms, the InGN shows higher accuracy.

A Novel Approach for Joint Analytical and ML-assisted GSNR Estimation in Flexible Optical Network 

F. Arpanaei, B. Shariati, P. Safari, M. Ranjbar Zefreh, J. A. Hernandez, A. Carena, J. Fischer, D. Larrabeiti

This paper proposed a novel approach to perform QoT estimation relying on joint exploitation of machine learning and analytical formula that offers accurate estimation when applied to scenarios with heterogeneous span profiles and sparsely occupied links.

Dual Time and Frequency Domain Optical Layer Digital Twin

Devigili, M. Ruiz, N. Costa, A. Napoli, J. Pedro, and L. Velasco

This paper demosntrated a digital twin for failure detection in optical networks. Artificial neural networks-based models for optical constellation analysis enable predicting the transmitted signal in the time domain whereas analytical models are normally used to estimate their spectral evolution.

Multi-Agent-based Dynamic Optical Subcarrier Allocation for Near Real-Time P2MP Operation

H. Shakespear-Miles, M. Ruiz, A. Napoli, and L. Velasco

This paper proposed a multi-agent system (MAS) to manage subcarrier allocation in point-to-multipoint connectivity based on Digital Subcarrier Multiplexing. Similar performance to a centralized approach is shown, which allows for near-real time operation with increased scalability

This project is supported by the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 101016663 (B5G-OPEN)

Grant Agreement Number: 101016663
Status: Active
Start Date: 01 Nov 2021
Duration: 36 months
Budget: €5.465.068,75
Call ID:H2020 ICT-52-2020
Type of Action: RIA (Rersearch and Innovation Action)

This project is part of 5G PPP Phase 3, Part 6:  5G innovations for verticals with third party services & Smart Connectivity beyond 5G

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