GCO - Grup de Comunicacions Òptiques
The Optical Communications Group (GCO) is part of the Signal Theory and Communications Department (TSC). Our key research areas involve Optical Fiber Technologies, Raman Spectroscopy and High-Speed Networking.
Our experience is related to optical wavelength domain transport and access networks (WDM, HDWDM, SCM), broadband fiber transmission, sources and receivers, all-optical amplification, optical heterodyne detection, wavelength stabilization and monitoring, transparent WDM network architectures and management, optical linear and non-linear distortions, polarization/PMD treatment and network quality monitoring.
The group is integrated in the Advanced Broadband Communications Centre (CCABA) -CCABA is the acronym of ''Centre de Comunicacions Avançades de Banda Ampla''. The CCABA was set up in January 1994 with the aim of consolidating a multi-disciplinary research group: the Integrated Broadband Communications research group, the Optical Communications, the Radio Communications and the Broadband Communications groups. The UPC supports this research centre and its laboratory was partially funded by the Spanish Education Ministry (CICYT) and by Research Commission of the Catalan Government (CIRIT) under several grants. In the EC IV Framework Programme the UPC participated in the Spanish National Host through the network platform of the CCABA.
The GCO laboratories are fully equipped with broadband instrumentation for WDM and high bit rate opto-electronic system design and characterization, as well as long haul fiber link measurements and IP-ATM-SDH-WDM networking.
Collections
-
Articles de revista [165]
-
Llibres [1]
-
Presentacions [1]
Recent Submissions
-
Experimental assessment of 10 Gbps 5G multicarrier waveforms for high-layer split U-DWDM-PON-based fronthaul
(Institute of Electrical and Electronics Engineers (IEEE), 2019-05-15)
Article
Open AccessThe current constant growth in mobile networks' traffic demands caused by the popularization of cloud and streaming services on personal devices, requires architectural changes so as to fulfill all new 5G mobile network ... -
Orchestrating virtual slices in data centre infrastructures with optical DCN
(2019-07-01)
Article
Restricted access - publisher's policyThe emergence of new paradigms and services is pushing the limits of nowadays cloud infrastructures. It is a fact that current solutions lack in the flexibility and configurability to adapt to heterogeneous requirements ... -
Enable advanced QoS-aware network slicing in 5G networks for slice-based media use cases
(2019-01-01)
Article
Open AccessMedia use cases for emergency services require mission-critical levels of reliability for the delivery of media-rich services, such as video streaming. With the upcoming deployment of the fifth generation (5G) networks, a ... -
Supporting QoE/QoS-aware end-to-end network slicing in future 5G-enabled optical networks
(2019)
Conference report
Restricted access - publisher's policyNetwork slicing with Quality of Experience/Quality of Service (QoE/QoS) guarantees is seen as one of the key enablers of future 5G networks. Nevertheless, it poses several challenges in both resource provisioning and ... -
Versatile metro-access network integrating FTTH, enterprises, IoT and 5G services
(2019)
Conference report
Restricted access - publisher's policyBandwidth demands are increasing with a high dynamic shape, driven by high definition video, cloudcomputing, business services, Internet of Things (IoT) and emerging next generation mobile networks like 5G. To support this ... -
A universal specification for multicore fiber crosstalk
(2019-05-01)
Article
Open AccessIn order to transition multi-core fiber (MCF) technologies from their research state to volume production, the key design specifications have to be broadly agreed upon, first and foremost an acceptable level of inter-core ... -
Out-of-field generic ML training with in-field specific adaptation to facilitate ML deployments
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessA two-phase strategy to facilitate ML algorithm deployment in real networks is demonstrated: out-of-field training uses data from simulation and testbed experiments with generic equipment whereas in-field adaptation is ... -
Optical signal tracking for robust PAM4 deployment in filterless metro network scenarios
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessHighly accurate and reliable optical signal tracking is proposed that estimates sub-GHz laser drift failures by analyzing spectra acquired by cost-effective coarse-granular OSAs. Its application on PAM4 systems in filterless ... -
Self-learning approaches for real optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessSelf-learning approaches to facilitate the deployment of ML algorithms in real networks are analyzed and their performance evaluated through an illustrative use case. Results show large benefits of collective self-learning ... -
Fault management based on machine learning
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessMachine Learning (ML) brings many benefits for network operation. In this paper, basic ML concepts and its integration into existing network control and management planes are reviewed. Case studies covering fault management ... -
Large eddy simulation and laboratory experiments on the decay of grid wakes in strongly stratified flows
(2009-07-27)
Article
Open AccessA detailed analysis of the flow structure resulting from the combination of turbulence and internal waves is carried out and visualized by means of the Schlieren method on waves in a strongly stratified fluid at the ... -
Autonomic NFV network services on top of disaggregated optical metro networks
(2019)
Conference report
Restricted access - publisher's policyControl and orchestration of metro network to support dynamic provisioning and reconfiguration of services based on Virtual Network Functions are demonstrated through a CDN example. Interaction among CASTOR MDA, OSM and ...
RSS 1.0