Rodolfo Oliveira
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View article: Revealing transport poverty: A Brazilian application of the half-median metric
Revealing transport poverty: A Brazilian application of the half-median metric Open
View article: Uma revisão sistemática sobre o biocontrole da antracnose no cultivo do feijão
Uma revisão sistemática sobre o biocontrole da antracnose no cultivo do feijão Open
O feijão é, no Brasil, cultivado em três safras durante o ano e os fatores ambientais, bioestressea p, além de temperaturas elevadas e alta umidade favorecem a proliferação de doenças na cultura do feijão levando prejuízo à produção. A con…
View article: Estudo da influência da temperatura de termofixação em tecido 100% poliéster antes do tingimento
Estudo da influência da temperatura de termofixação em tecido 100% poliéster antes do tingimento Open
O setor têxtil é uma das áreas industriais mais dinâmicas e desafiadoras, onde a qualidade e a durabilidade dos produtos são fundamentais para atender as expectativas dos consumidores e manter a competitividade no mercado. Após o processo …
View article: IMPORTÂNCIA DO PROGRAMA ÁGUA DOCE, COMO SISTEMA DE DESSALINIZAÇÃO SUSTENTÁVEL PARA PRODUÇÃO DE ÁGUA POTÁVEL NO SEMIÁRIDO PERNAMBUCANO
IMPORTÂNCIA DO PROGRAMA ÁGUA DOCE, COMO SISTEMA DE DESSALINIZAÇÃO SUSTENTÁVEL PARA PRODUÇÃO DE ÁGUA POTÁVEL NO SEMIÁRIDO PERNAMBUCANO Open
Este artigo analisa os sistemas de dessalinização no semiárido brasileiro, com foco nos eixos estruturantes da gestão, sustentabilidade e participação social. A pesquisa destaca os desafios enfrentados por comunidades rurais com acesso lim…
View article: Influência das características físicas do lastro ferroviário nos resultados de levantamentos com GPR: um estudo integrando tecnologia, aprendizagem baseada em projetos e permanência estudantil na educação superior
Influência das características físicas do lastro ferroviário nos resultados de levantamentos com GPR: um estudo integrando tecnologia, aprendizagem baseada em projetos e permanência estudantil na educação superior Open
Em um momento de expectativa pela revitalização do setor ferroviário, impulsionada por investimentos públicos e privados, a adoção de novas tecnologias de avaliação e monitoramento da via permanente torna-se essencial. Elas oferecem soluçõ…
View article: Throughput analysis of movable antenna systems with mobility exploitation models
Throughput analysis of movable antenna systems with mobility exploitation models Open
View article: Health practices for LGBTQIAPN+ individuals: from the user's perspective
Health practices for LGBTQIAPN+ individuals: from the user's perspective Open
The Lesbian, Gay, Bisexual, Transgender, Queer, Intersex, Asexual, and Pansexual (LGBTQIAPN+) population is often neglected when it comes to the realization of their rights, including access to public health services, where they frequently…
View article: Survey on Context-Aware Radio Frequency-Based Sensing
Survey on Context-Aware Radio Frequency-Based Sensing Open
Radio frequency (RF) spectrum sensing is critical for applications requiring precise object and posture detection and classification. This survey aims to provide a focused review of context-aware RF-based sensing, emphasizing its principle…
View article: Comparison of Deep Learning Techniques for RF-Based Human Posture Detection Systems
Comparison of Deep Learning Techniques for RF-Based Human Posture Detection Systems Open
This article focuses on techniques for a human posture classification framework that implements radio frequency (RF) active systems. In the first step, we describe the general approach considered for human posture classification. To this e…
View article: ANÁLISE DOS LIVROS DIDÁTICOS DE CIÊNCIAS DA NATUREZA E SUAS TECNOLOGIAS COM BASE NA ESTRUTURA DO NOVO ENSINO MÉDIO
ANÁLISE DOS LIVROS DIDÁTICOS DE CIÊNCIAS DA NATUREZA E SUAS TECNOLOGIAS COM BASE NA ESTRUTURA DO NOVO ENSINO MÉDIO Open
View article: INFLUENCE OF THE PHYSICAL CHARACTERISTICS OF RAILWAY BALLAST ON THE RESULTS OF GPR SURVEYS: A STUDY INTEGRATING TECHNOLOGY, PROJECT-BASED LEARNING AND STUDENT RETENTION IN HIGHER EDUCATION
INFLUENCE OF THE PHYSICAL CHARACTERISTICS OF RAILWAY BALLAST ON THE RESULTS OF GPR SURVEYS: A STUDY INTEGRATING TECHNOLOGY, PROJECT-BASED LEARNING AND STUDENT RETENTION IN HIGHER EDUCATION Open
View article: Correlation-Based Abnormal SIP Dialog Identification: A Performance Comparison With Bayesian and Deep Learning Approaches
Correlation-Based Abnormal SIP Dialog Identification: A Performance Comparison With Bayesian and Deep Learning Approaches Open
View article: Trajectory Design for RSMA Networks Assisted by AIRS with LSTM and Transformers
Trajectory Design for RSMA Networks Assisted by AIRS with LSTM and Transformers Open
View article: LSTM-Based Trajectory and Phase-Shift Prediction for RSMA Networks Assisted by AIRS
LSTM-Based Trajectory and Phase-Shift Prediction for RSMA Networks Assisted by AIRS Open
This paper investigates rate-splitting multiple access (RSMA) networks with multiusers assisted by aerial intelligent reflecting surfaces (AIRS). To improve the sum-rate of the system, the UAV's trajectory and phase-shift vectors are optim…
View article: Enhancing mmWave Channel Estimation: A Practical Experimentation Approach With Modeled Physical Layer Impairments Incorporated in Deep Learning Training
Enhancing mmWave Channel Estimation: A Practical Experimentation Approach With Modeled Physical Layer Impairments Incorporated in Deep Learning Training Open
This paper introduces a novel methodology for wireless channel estimation in millimeter-wave (mmWave) bands, with a primary focus on addressing diverse physical (PHY)-layer impairments, including phase noise (PN), in-phase and quadrature-p…
View article: ATENDIMENTO E CONDUTA ODONTOLÓGICA APLICADA A PACIENTES ESPECIAIS
ATENDIMENTO E CONDUTA ODONTOLÓGICA APLICADA A PACIENTES ESPECIAIS Open
Pacientes com necessidades especiais enfrentam um maior risco de desenvolver doenças orais, o que pode afetar significativamente sua qualidade de vida. Isso ocorre principalmente devido à dificuldade em manter uma boa higiene bucal, devido…
View article: Using Deep-Learning for 5G End-to-End Delay Estimation Based on Gaussian Mixture Models
Using Deep-Learning for 5G End-to-End Delay Estimation Based on Gaussian Mixture Models Open
Deep learning is used in various applications due to its advantages over traditional Machine Learning (ML) approaches in tasks encompassing complex pattern learning, automatic feature extraction, scalability, adaptability, and performance …
View article: A Passive RF Testbed for Human Posture Classification in FM Radio Bands
A Passive RF Testbed for Human Posture Classification in FM Radio Bands Open
This paper explores the opportunities and challenges for classifying human posture in indoor scenarios by analyzing the Frequency-Modulated (FM) radio broadcasting signal received at multiple locations. More specifically, we present a pass…
View article: Estimation of 5G Core and RAN End-to-End Delay through Gaussian Mixture Models
Estimation of 5G Core and RAN End-to-End Delay through Gaussian Mixture Models Open
View article: Capacity Analysis of Full-Duplex Directional Wireless Mobile Networks
Capacity Analysis of Full-Duplex Directional Wireless Mobile Networks Open
This paper presents a comprehensive study of capacity characterization in mobile wireless networks employing directive communications and full-duplex communication technology. We address the impact of nodes’ mobility, directive beams, and …
View article: A Flexible mmWave Layer 2 Protocol Implementation for Integrated Access and Backhaul Architecture
A Flexible mmWave Layer 2 Protocol Implementation for Integrated Access and Backhaul Architecture Open
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\nThis work was supported in part by the Spanish Ministry of Science, Innovation and Universities funded by MCIN/AEI/10.13039/501100011033 under Project PID2020-113979RB-C21; and in part by the Ministry of Economic Affairs and Digital…
View article: Estimation of 5G Core and RAN End-to-End Delay through Gaussian Mixture Models
Estimation of 5G Core and RAN End-to-End Delay through Gaussian Mixture Models Open
Network analytics provide a comprehensive picture of the network’s Quality of Service (QoS), including the End-to-End (E2E) delay. In this paper, we characterize the Core and the Radio Access Network (RAN) E2E delay of 5G networks with the…
View article: Capacity and Energy Efficiency Trade-off in Multi-Packet Reception Wireless Systems
Capacity and Energy Efficiency Trade-off in Multi-Packet Reception Wireless Systems Open
Publisher Copyright: © 2022 IEEE.
View article: Linear and Non-Linear Soft Sensors for Predicting the Research Octane Number (RON) through Integrated Synchronization, Resolution Selection and Modelling
Linear and Non-Linear Soft Sensors for Predicting the Research Octane Number (RON) through Integrated Synchronization, Resolution Selection and Modelling Open
The Research Octane Number (RON) is a key quality parameter for gasoline, obtained offline through complex, time-consuming, and expensive standard methods. Measurements are usually only available a few times per week and after long delays,…
View article: Detection of Abnormal SIP Signaling Patterns: A Deep Learning Comparison
Detection of Abnormal SIP Signaling Patterns: A Deep Learning Comparison Open
This paper investigates the detection of abnormal sequences of signaling packets purposely generated to perpetuate signaling-based attacks in computer networks. The problem is studied for the Session Initiation Protocol (SIP) using a datas…
View article: The Importance of Repetitions in Ultra-Dense NB-IoT Networks
The Importance of Repetitions in Ultra-Dense NB-IoT Networks Open
This work has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska- Curie ETN TeamUp5G, grant agreement No. 813391. R. Oliveira was also supported by the projects InfoCent-IoT…
View article: Aerial Intelligent Reflecting Surfaces in MIMO-NOMA Networks: Fundamentals, Potential Achievements, and Challenges
Aerial Intelligent Reflecting Surfaces in MIMO-NOMA Networks: Fundamentals, Potential Achievements, and Challenges Open
Non-orthogonal multiple access (NOMA) technique and unmanned aerial vehicles (UAVs) have been recognized as promising technologies for enabling the stringent requirements of the different network infrastructures expected for the next gener…
View article: A Novel Packet End-to-End Delay Estimation Method for Heterogeneous Networks
A Novel Packet End-to-End Delay Estimation Method for Heterogeneous Networks Open
The estimation of the end-to-end delay in modern communication networks is of high importance to support multiple services but also for the management of the network resources. In this paper, we propose an end-to-end delay model and estima…
View article: Estimation of the End-to-End Delay in 5G Networks Through Gaussian Mixture Models
Estimation of the End-to-End Delay in 5G Networks Through Gaussian Mixture Models Open
View article: Interference Distribution for Directional Beamforming Mobile Networks
Interference Distribution for Directional Beamforming Mobile Networks Open
In this paper, we model the aggregate interference power in directional beamforming mobile networks. The work considers the random waypoint model to describe the mobility of the nodes and adopts directional beamforming for communication. T…