Marcelo E. V. Segatto
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View article: TCP/IPoDWDM: A Case for Adaptive Congestion Control in Optical Networks under Physical Layer Impairments
TCP/IPoDWDM: A Case for Adaptive Congestion Control in Optical Networks under Physical Layer Impairments Open
The IPoDWDM-driven network consolidation removes the demarcation between packet and optical layers, clearly increasing management system complexity, but also creating new opportunities. We propose TCP/IPoDWDM as a means to advance this con…
View article: Impact of noise on machine learning models for simultaneously predicting water and oil levels using optical fiber sensors
Impact of noise on machine learning models for simultaneously predicting water and oil levels using optical fiber sensors Open
View article: Integrated Photonic Neural Networks for Equalizing Optical Communication Signals: A Review
Integrated Photonic Neural Networks for Equalizing Optical Communication Signals: A Review Open
The demand for high-capacity communication systems has grown exponentially in recent decades, constituting a technological field in constant change. Data transmission at high rates, reaching tens of Gb/s, and over distances that can reach …
View article: An AI Approach to Integrated Flexible Job-Shop Scheduling and Heterogeneous Electric Vehicle Routing with Smart Energy Charging
An AI Approach to Integrated Flexible Job-Shop Scheduling and Heterogeneous Electric Vehicle Routing with Smart Energy Charging Open
View article: Impact of Noise on Machine Learning Models for Simultaneously Predicting Water and Oil Levels Using Optical Fiber Sensors
Impact of Noise on Machine Learning Models for Simultaneously Predicting Water and Oil Levels Using Optical Fiber Sensors Open
View article: Parametric Vertical Photovoltaic System: Fibonacci Methodology Applied to Solar Trees Design
Parametric Vertical Photovoltaic System: Fibonacci Methodology Applied to Solar Trees Design Open
View article: Low-cost chronobiological monitoring: A tested IoT-enabled diagnostic tool in tropical and Antarctic environments
Low-cost chronobiological monitoring: A tested IoT-enabled diagnostic tool in tropical and Antarctic environments Open
View article: AI-Driven Enhancements for Handover in Visible Light Communication Systems
AI-Driven Enhancements for Handover in Visible Light Communication Systems Open
A modified genetic algorithm (MGA) optimization procedure, alongside time series machine learning (ML) classifiers, is proposed to minimize handovers in a digital twin-based visible light communication (VLC) system. Frequent handovers have…
View article: Planning and resource allocation of a hybrid IoT network using artificial intelligence
Planning and resource allocation of a hybrid IoT network using artificial intelligence Open
This paper introduces a pioneering hybrid topology tailored for Internet of Things (IoT) applications, integrating mesh and star wireless sensor configurations. This hybridized approach aims to optimize energy consumption efficiency while …
View article: Fotovoltaico e Aquaponia: Uma Proposta de Tecnologia para a Segurança Alimentar (ODS2) em Comunidades Vulneráveis
Fotovoltaico e Aquaponia: Uma Proposta de Tecnologia para a Segurança Alimentar (ODS2) em Comunidades Vulneráveis Open
Considerando a necessidade de busca de soluções inovadoras para reduzir a insegurança alimentar em comunidades vulneráveis, este estudo avalia uma proposta de criação de uma árvore fotovoltaica integrada aos sistemas de aquaponia e hidropo…
View article: Optimization of Very Short Multi-Pump Discrete Raman Amplifiers based on Tellurite Fibers
Optimization of Very Short Multi-Pump Discrete Raman Amplifiers based on Tellurite Fibers Open
This paper presents a numerical study and the optimization of very short discrete multi-pump Raman amplifiers using Tellurite-based optical fibers. While most studies about discrete Raman amplifiers usually focus on cases where hundreds of…
View article: POF Sensor for Dynamic Physiological Evaluation in a Dog-Assisted ASD Therapy: A Case Study
POF Sensor for Dynamic Physiological Evaluation in a Dog-Assisted ASD Therapy: A Case Study Open
Optical fiber sensors have been validated for physiological measurement as a potential device for smart textiles and wearable sensors. Also, developing sensors with Polymeric Optical Fiber (POF) shows promising applications in dynamic and …
View article: Characterizing MIMO Channels in Low-Voltage Electric Power Line Communication through Impedance and Scattering Parameters Analysis
Characterizing MIMO Channels in Low-Voltage Electric Power Line Communication through Impedance and Scattering Parameters Analysis Open
This study examines the characteristics of the lowvoltage MIMO-PLC electric power line channel, which operates within the 2-100 MHz frequency range. The research involved measurements in four different Setups using 2.5 mm copper wires, inc…
View article: Fibonacci Solar Trees
Fibonacci Solar Trees Open
View article: Data-Driven Approach for Upper Limb Fatigue Estimation Based on Wearable Sensors
Data-Driven Approach for Upper Limb Fatigue Estimation Based on Wearable Sensors Open
Muscle fatigue is defined as a reduced ability to maintain maximal strength during voluntary contraction. It is associated with musculoskeletal disorders that affect workers performing repetitive activities, affecting their performance and…
View article: Sistema Modular para Microgeração de Energia Hidroelétrica Dotado de Automação Baseado em IoT Lorawan
Sistema Modular para Microgeração de Energia Hidroelétrica Dotado de Automação Baseado em IoT Lorawan Open
A utilização de hidrelétrica é a principal fonte de geração de energia do Brasil, porém, pequenos potenciais hídricos muitas vezes não são aproveitados. Desta forma, este trabalho apresenta a proposta de desenvolvimento de um sistema modul…
View article: A fabric-based soft hand exoskeleton for assistance: the ExHand Exoskeleton
A fabric-based soft hand exoskeleton for assistance: the ExHand Exoskeleton Open
Introduction The rise of soft robotics has driven the development of devices for assistance in activities of daily living (ADL). Likewise, different types of actuation have been developed for safer human interaction. Recently, textile-base…
View article: Soft-Sensor System for Grasp Type Recognition in Underactuated Hand Prostheses
Soft-Sensor System for Grasp Type Recognition in Underactuated Hand Prostheses Open
This paper presents the development of an intelligent soft-sensor system to add haptic perception to the underactuated hand prosthesis PrHand. Two sensors based on optical fiber were constructed, one for finger joint angles and the other f…
View article: Comparing the Performance of OFDM and OCDM-based Visible Light Communications: Numerical and Experimental Analysis
Comparing the Performance of OFDM and OCDM-based Visible Light Communications: Numerical and Experimental Analysis Open
Numerical and experimental analysis of visible light communication (VLC) systems based on orthogonal chirp division multiplexing (OCDM) and orthogonal frequency division multiplexing (OFDM) are presented in this paper. Unlike most of the r…
View article: Optimizing Resources and Increasing the Coverage of Internet-of-Things (IoT) Networks: An Approach Based on LoRaWAN
Optimizing Resources and Increasing the Coverage of Internet-of-Things (IoT) Networks: An Approach Based on LoRaWAN Open
A resource optimization methodology is proposed for application in long range wide area networks (LoRaWANs). Using variable neighborhood search (VNS) and a minimum-cost spanning tree algorithm, it reduces the implementation and the mainten…
View article: Fatigue Test on Optical Fiber Angle Sensors Based on Polymeric Materials for Assistive Robotics Applications
Fatigue Test on Optical Fiber Angle Sensors Based on Polymeric Materials for Assistive Robotics Applications Open
View article: A Low-cost Portable Interrogator for Dynamic Monitoring of Wavelength-Based Sensors
A Low-cost Portable Interrogator for Dynamic Monitoring of Wavelength-Based Sensors Open
This paper proposes a low-cost portable interrogator for dynamic monitoring of wavelength-based fiber-optic sensors such as fiber Bragg gratings (FBGs) and Fabry-Perrot interferometers (FPIs). The interrogator is based on a compact solutio…
View article: Experimental Demonstration of Constant-Envelope OFDM to Reduce Intermodulation Impairments and Increase Robustness Against Fiber Nonlinearities
Experimental Demonstration of Constant-Envelope OFDM to Reduce Intermodulation Impairments and Increase Robustness Against Fiber Nonlinearities Open
Direct detection optical orthogonal frequency division multiplexing (DDO-OFDM) systems have been proposed as a well-suited solution for cost-sensitive applications, but also for metro/regional optical links. In this article, we experimenta…
View article: Label-free plasmonic immunosensor for cortisol detection in a D-shaped optical fiber
Label-free plasmonic immunosensor for cortisol detection in a D-shaped optical fiber Open
Measuring cortisol levels as a stress biomarker is essential in many medical conditions associated with a high risk of metabolic syndromes such as anxiety and cardiovascular diseases, among others. One technology that has a growing interes…
View article: MIMO-PLC Communications in an Experimental Medium Voltage Network: Measurement and Analysis
MIMO-PLC Communications in an Experimental Medium Voltage Network: Measurement and Analysis Open
This paper presents measurements at a mock-up medium voltage network to verify the feasibility of Broadband Power Line Communication (BPLC). We use the data extracted within the frequency range 2 − 30 MHz to characterize a MIMO PLC network…
View article: A Low-Cost Smart Surveillance System Applied to Vehicle License Plate Tracking
A Low-Cost Smart Surveillance System Applied to Vehicle License Plate Tracking Open
The growth of urban centers has a major impact on our lives and on our society, one of which is the increase in the vehicle fleet, which in turns is a major offender in increasing road congestion, pollution, accidents, theft of vehicles, a…
View article: Modelo Inteligente Utilizando Grafos para Previsão da Potência Gerada por Módulos de Painéis Fotovoltaicos
Modelo Inteligente Utilizando Grafos para Previsão da Potência Gerada por Módulos de Painéis Fotovoltaicos Open
The growth in demand for electricity in the world has intensified the alternative use of renewable energy sources such as solar energy. Solar panels are structures composed of photovoltaic cells, responsible for absorbing solar radiation a…
View article: A Multilayer Approach for Optical Network Planning
A Multilayer Approach for Optical Network Planning Open
With the increase in demand to Backbone networks, one became fundamental the application of new telecommunication technologies for efficient use of devices and optical links, such as xPSK modulations with dual polarization, dispersion comp…
View article: Planning and Resources Allocation of a Hybrid Iot Network Using Artificial Intelligence
Planning and Resources Allocation of a Hybrid Iot Network Using Artificial Intelligence Open
View article: An Optimized Self-Compensated Solution for Temperature and Strain Cross-Sensitivity in FBG Interrogators Based on Edge Filter
An Optimized Self-Compensated Solution for Temperature and Strain Cross-Sensitivity in FBG Interrogators Based on Edge Filter Open
Optical fiber sensors based on fiber Bragg gratings (FBGs) are prone to measurement errors if the cross-sensitivity between temperature and strain is not properly considered. This paper describes a self-compensated technique for canceling …