Design and assessment of FM-MCFs-suited SDM-ROADMs with versatile spatial group configurations and unified QoT estimator
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Cita com:
hdl:2117/337756
Tipus de documentArticle
Data publicació2020-11-15
EditorInstitute of Electrical and Electronics Engineers (IEEE)
Condicions d'accésAccés obert
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Abstract
In this article, we focus on the design of different node architectures suitable for few-mode multi-core fibers (FMMCFs) based networks. Both dimensions, core and mode, open different possible ways to group spatial channels depending on the physical impairments of the space-division multiplexed (SDM) optical fibers. Moreover, the channel switching across a group of cores/modes at once and the end-to-end routing are not only mandatory aspects for certain spatial channels, but also recommendable in order to reduce the node complexity/cost. Thus, we propose various SDM-capable node architectures based on versatile and homogeneous spatial group configurations. Then, a unified physical-layer-aware Quality of Transmission (QoT) estimator is formulated to not only evaluate these node architectures in a simulation tool, but also validate them in a real experimental environment using a stateful path computation element (PCE) as a central controller. The obtained results disclose that the cost-efficient node design parameter, namely, the size of the spatial group G, depends on both the network and traffic profile size. Specifically, for a national optical backbone network equipped with a homogeneous and hexagonally arranged 6-weakly-coupled modes and 7-weakly-coupled cores fibers, G equals 6, while for a continental backbone network, G can raise up to 14. In any case, we demonstrate that the cost-benefit tradeoff in node design must be analyzed in detail in order to meet the huge traffic volumes of the next years.
CitacióRumipamba, R. [et al.]. Design and assessment of FM-MCFs-suited SDM-ROADMs with versatile spatial group configurations and unified QoT estimator. "Journal of lightwave technology", 15 Novembre 2020, vol. 38, núm. 22, article 9143418, p. 6137-6152.
ISSN0733-8724
Versió de l'editorhttps://ieeexplore.ieee.org/document/9143418/
Col·leccions
- Departament d'Arquitectura de Computadors - Articles de revista [1.049]
- Departament de Teoria del Senyal i Comunicacions - Articles de revista [2.526]
- GCO - Grup de Comunicacions Òptiques - Articles de revista [238]
- Doctorat en Arquitectura de Computadors - Articles de revista [164]
- CBA - Sistemes de Comunicacions i Arquitectures de Banda Ampla - Articles de revista [154]
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