Search Results - "Fabrega, Josep M."
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Programmable disaggregated multi-dimensional S-BVT as an enabler for high capacity optical metro networks
Published in Journal of optical communications and networking (01-06-2021)“…To meet the requirements of 5G high capacity optical metro networks, a programmable disaggregated multi-dimensional sliceable bandwidth/bitrate variable…”
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Impact of Chirp in High-Capacity Optical Metro Networks Employing Directly-Modulated VCSELs
Published in Photonics (01-12-2018)“…Directly modulated long-wavelength vertical cavity surface emitting lasers (VCSELs) are considered for the implementation of sliceable bandwidth/bitrate…”
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GMPLS/PCE control of flexi-grid DWDM optical networks using CO-OFDM transmission [Invited]
Published in Journal of optical communications and networking (01-11-2012)“…Current optical transport networks use optical channel carriers (wavelengths) that are defined and constrained by a fixed ITU-T dense wavelength division…”
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4
Synergy of Photonic Technologies and Software-Defined Networking in the Hyperconnectivity Era
Published in Journal of lightwave technology (15-08-2019)“…Photonic technologies and software-defined networking (SDN) are key to supporting hyperconnectivity in a globally networked society. We present programmable…”
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High-Capacity 5G Fronthaul Networks Based on Optical Space Division Multiplexing
Published in IEEE transactions on broadcasting (01-06-2019)“…The introduction of 5G mobile networks, bringing multi-Gbit/s user data rates and reduced latency, opens new opportunities for media generation, transport and…”
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SDN-Enabled Multi-Band S-BVT Within Disaggregated Optical Networks
Published in Journal of lightwave technology (01-06-2022)“…Multi-band (MB) technology arises as a suitable solution to increase capacity within future 6G networks, while efficiently utilizing the already deployed…”
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Machine Learning-Based in-Band OSNR Estimation From Optical Spectra
Published in IEEE photonics technology letters (15-12-2019)“…Measuring the optical signal to noise ratio (OSNR) at certain network points is essential for failure handling, for single connection but also global network…”
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Experimental Demonstration of Dynamic Optical Beamforming for Beyond 5G Spatially Multiplexed Fronthaul Networks
Published in IEEE journal of selected topics in quantum electronics (01-11-2021)“…This paper presents a beyond 5G fronthaul network with dynamic beamforming and -steering. The proposed fronthaul solution deploys optical beamforming (OBF) by…”
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SDN-Enabled S-BVT for Disaggregated Networks: Design, Implementation and Cost Analysis
Published in Journal of lightwave technology (01-06-2020)“…Software-defined networking (SDN) and disaggregation are key technologies to fulfill the requirements of 5G and beyond optical metro networks. Indeed, open…”
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10
SDN-Enabled Sliceable BVT Based on Multicarrier Technology for Multiflow Rate/Distance and Grid Adaptation
Published in Journal of lightwave technology (15-03-2016)“…We propose a sliceable bandwidth variable transceiver (S-BVT) architecture suitable for metro/regional elastic networks and highly scalable data center…”
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11
SDN-Enabled Sliceable Transceivers in Disaggregated Optical Networks
Published in Journal of lightwave technology (15-12-2019)“…We design and implement programmable (SDN-enabled) sliceable bandwidth/bitrate variable transceivers (S-BVTs) based on multicarrier modulation (MCM) with…”
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12
Experimental Demonstration of Extended 5G Digital Fronthaul Over a Partially-Disaggregated WDM/SDM Network
Published in IEEE journal on selected areas in communications (01-09-2021)“…We experimentally demonstrate a 5G digital fronthaul network that relies on multi-adaptive bandwidth/bitrate variable transceivers (BVTs) and an autonomic…”
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13
Network slicing architecture for SDM and analog-radio-over-fiber-based 5G fronthaul networks
Published in Journal of optical communications and networking (01-04-2020)“…The blueSPACE project focuses on the study of innovative technologies to overcome the limitations of current fronthaul networks. The key technology proposed is…”
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14
Spectral processing techniques for efficient monitoring in optical networks
Published in Journal of optical communications and networking (01-07-2021)“…Having ubiquitous optical monitors in dense wavelength-division multiplexing (DWDM) or flex-grid networks allows the estimation in real time of crucial…”
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15
Design and Experimental Validation of a GMPLS/PCE Control Plane for Elastic CO-OFDM Optical Networks
Published in IEEE journal on selected areas in communications (01-01-2013)“…ITU-T Recommendation G.694.1 defines normative DWDM frequency grids, each being a reference set of values that correspond to allowed nominal central…”
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16
Flexgrid technologies enabling BRAS centralization in MANs
Published in Journal of optical communications and networking (01-07-2016)“…In an evolutionary metro-regional area network (MAN) scenario, targeting the centralization of the broadband remote access server (BRAS), flexgrid technologies…”
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17
Control orchestration protocol: Unified transport API for distributed cloud and network orchestration
Published in Journal of optical communications and networking (01-02-2017)“…In the context of the fifth generation of mobile technology (5G), multiple technologies will converge into a unified end-to-end system. For this purpose,…”
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18
Experimental demonstration of a cost-effective bit rate variable IM/DD optical OFDM with reduced guard band
Published in Optics express (10-12-2012)“…We experimentally demonstrate an intensity modulated and direct detection optical OFDM with variable bit rate from 5 Gb/s to 9 Gb/s using BPSK format. A fast…”
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19
Simple intradyne PSK system for udWDM-PON
Published in Optics express (17-12-2012)“…A homodyne coherent receiver for ultra-dense WDM-PON with off the shelf components is presented. It consists of a conventional DFB, phase switched clock…”
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Programmable Adaptive BVT for Future Optical Metro Networks Adopting SOA-Based Switching Nodes
Published in Photonics (01-09-2018)“…Adaptive Sliceable-Bandwidth Variable Transceivers (S-BVTs) are key enablers for future optical networks. In particular, those based on Discrete MultiTone…”
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