Browsing by Author "Napoli, Antonio"
Now showing items 1-18 of 18
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Accurate low complex modulation format and symbol rate identification for autonomous lightpath operation
(2022-11-28)
Article
Open AccessNetwork automation promises to reduce costs while guaranteeing the required performance; this is paramount when dealing with the forecasted highly dynamic traffic that will be generated by new 5G/6G applications. In optical ... -
Analysis of back-propagation and RF pilot-tone based nonlinearity compensation for a 9x224Gb/s POLMUX-16QAM system
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Conference report
Restricted access - publisher's policyWe investigate the joint implementation of back-propagation and RF-pilot tone for fiber nonlinear compensation in POLMUX-16QAM and show that the nonlinear tolerance is drastically improved when compared to OFDM system -
Autonomous and energy efficient lightpath operation based on digital subcarrier multiplexing
(2021-09)
Article
Open AccessThe massive deployment of 5G and beyond will require high capacity and low latency connectivity services, so network operators will have either to overprovision capacity in their transport networks or to upgrade the optical ... -
Comparison of single carrier and OFDM with back-propagation and RF pilot tone for a 9x224Gb/s POLMUX-16QAM system
(2011)
Conference report
Restricted access - publisher's policyThe performance of single carrier and OFDM is compared when nonlinear compensation at the DSP receiver is employed. We show that the joint use of RF-pilot and back-propagation adds further improvement to OFDM performance. -
Digital pre-emphasis for 10Gb/s with low-cost directly phase-modulated lasers for PONs
(Optical Society of American (OSA), 2018)
Conference report
Restricted access - publisher's policyWe apply digital pre-emphasis to compensate for the frequency response non-idealities of low-cost optical transmitters. It enables transmission beyond 10Gb/s with 2/4/8-DPSK using directly modulated lasers and coherent ... -
Dual time and frequency domain optical layer digital twin
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessWe demonstrate 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 ... -
Dynamic and efficient point-to-point and point-to-multipoint communications by slicing the optical constellation
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference lecture
Open AccessOptical Constellation Slicing is proposed to convey heterogenous traffic from a source to multiple destinations, while supporting dynamic capacity allocation. Illustrative numerical results reveal the potential of the ... -
Dynamic subcarrier allocation for multipoint-to-point optical connectivity
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessA mathematical programming model is proposed to dynamically allocate subcarriers in the upstream direction of point-to-multipoint connections based on Digital Subcarrier Multiplexing. Numerical results show significant ... -
Experimental demonstration of multi-vendor and multi-domain elastic optical network with data and control interoperability over a pan-european test-bed
(2016-04-01)
Article
Open AccessThe operation of multidomain and multivendor EONs can be achieved by interoperable sliceable bandwidth variable transponders (S-BVTs), a GMPLS/BGP-LS-based control plane, and a planning tool. The control plane is extended ... -
Lightweight optical constellation modeling by concatenating artificial neural networks
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessA lightweight optical constellations modeling method based on concatenating ANNs is proposed. Statistical validation of the reproduced constellations is shown. The method accelerates data generation and facilitates detecting ... -
LPsec: a fast and secure cryptographic system for optical connections
(Institute of Electrical and Electronics Engineers (IEEE), 2022-04)
Article
Open AccessHigh capacity and low latency of optical connections are ideal for supporting current and future communication services, including 5G and beyond. Although some of those services are already secured at the packet layer using ... -
Multi-agent-based dynamic optical subcarrier allocation for near real-time P2MP operation
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessWe propose 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 ... -
OCATA: A deep-learning-based digital twin for the optical time domain
(Optical Society of American (OSA), 2023-02-01)
Article
Restricted access - publisher's policyThe development of digital twins to represent the optical transport network might enable multiple applications for network operation, including automation and fault management. In this work, we propose a deep-learning-based ... -
Quantum bit retransmission using universal quantum copying machine
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessQuantum internet, which is expected to be a combination of quantum and classical networks, promises to provide information-theoretic security for data exchange. Classical networks have well-established protocols for reliable ... -
Soft-failure detection, localization, identification, and severity prediction by estimating QoT model input parameters
(2021-09)
Article
Open AccessThe performance of optical devices can degrade because of aging and external causes like, for example, temperature variations. Such degradation might start with a low impact on the Quality of Transmission (QoT) of the ... -
Soft-failure localization and device working parameters estimation in disaggregated scenarios
(2020)
Conference report
Restricted access - publisher's policyA soft-failure localization and key working parameters estimation system is proposed for network diagnosis and maintenance. We show that a double analysis of monitoring data and estimated working parameters ... -
Square-root strategy: a novel method to linearize an optical communication system with electronic equalizers
(2005)
Conference report
Restricted access - publisher's policyWe demonstrate a nonlinear function after the photodetector that linearizes dispersion-limited IM-DD systems, enhancing the performance of linear electronic equalization. Results showed a clear improvement in terms of ... -
Supporting heterogenous traffic on top of point-to-multipoint light-trees †
(2023-02-23)
Article
Open AccessNew 5 G and beyond services demand innovative solutions in optical transport to increase efficiency and flexibility and reduce capital (CAPEX) and operational (OPEX) expenditures to support heterogeneous and dynamic traffic. ...
