Abstract
We examine various design aspects of a learned time-domain multiple-input multiple-output (MIMO) Volterra-based equaliser and reveal their impact on the convergence and performance of the model. We show that appropriate parameter initialisation is vital for the model's convergence and scalability to a higher number of channels. This design optimisation enables the first demonstration of a 7 × 7 operation of the MIMO algorithm at one step per span, achieving 1.5 dB effective signal-to-noise ratio improvement over single-channel nonlinear equalisation, hence significantly enhancing the transmission performance in a wavelength-division multiplexing scenario.
| Original language | English |
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| Title of host publication | Proceedings of the 2024 International Conference on Optical Network Design and Modeling (ONDM) |
| Editors | David Larrabeiti-Lopez, Luca Valcarenghi, Carmen Mas-Machuca, Jose A. Hernandez-Gutierrez |
| Publisher | IEEE |
| Number of pages | 3 |
| ISBN (Electronic) | 9783903176546 |
| DOIs | |
| Publication status | Published - 11 Jul 2024 |
| Event | 28th International Conference on Optical Network Design and Modelling - University Carlos III de Madrid, Madrid, Spain Duration: 6 May 2024 → 9 May 2024 https://ondm2024.uc3m.es/home |
Conference
| Conference | 28th International Conference on Optical Network Design and Modelling |
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| Abbreviated title | ONDM 2024 |
| Country/Territory | Spain |
| City | Madrid |
| Period | 6/05/24 → 9/05/24 |
| Internet address |
Bibliographical note
Copyright © 2024 IFIP. This is an accepted manuscript of a paper presented at the 28th International Conference on Optical Network Design and Modelling.Funding
This work was partly supported by the UK EPSRC grants TRANSNET (EP/R035342/1), CREATE (EP/X019241/1), and EEMC (EP/S016171/1).
| Funders | Funder number |
|---|---|
| Engineering and Physical Sciences Research Council (EPSRC) | EP/R035342/1, EP/X019241/1, EP/S016171/1 |
Keywords
- Volterra series
- machine learning
- nonlinearity equalisation
- optical fibre systems