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Listar por autor "Hernández Orallo, Enrique"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por autor "Hernández Orallo, Enrique"

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    3D Simulation Modeling of UAV-to-Car Communications 
    HADIWARDOYO, SEILENDRIA ARDITYARAMA; Tavares De Araujo Cesariny Calafate, Carlos Miguel; Cano, Juan-Carlos; Ji, Yusheng; Hernández-Orallo, Enrique; Manzoni, Pietro (Institute of Electrical and Electronics Engineers, 2019-01-23)
    [EN] In this paper, we propose a realistic model for simulating communications between unmanned aerial vehicles (UAVs), or drones, and ground vehicles, which can support mobile infrastructure to broadcast alerts in emergency ...
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    A Discretized Approach to Air Pollution Monitoring Using UAV-based Sensing 
    Alvear-Alvear, Óscar; Tavares De Araujo Cesariny Calafate, Carlos Miguel; Zema, Nicola; Natalizio, Enrico; Hernández-Orallo, Enrique; Cano, Juan-Carlos; Manzoni, Pietro (Springer-Verlag, 2018)
    [EN] Recently, Unmanned Aerial Vehicles (UAVs) have become a cheap alternative to sense pollution values in a certain area due to their flexibility and ability to carry small sensing units. In a previous work, we proposed ...
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    A Fast Model for Evaluating the Detection of Selfish Nodes Using a Collaborative Approach in MANETs 
    Hernández Orallo, Enrique; Serrat Olmos, Manuel David; Cano Escribá, Juan Carlos; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Manzoni, Pietro (Springer Verlag (Germany), 2014-02)
    Mobilead-hocnetworks(MANETs)relyonnetworkcooperationschemestowork properly. Nevertheless, if nodes have a selfish behaviour and are unwilling to cooperate, the overall network performance could be seriously affected. The ...
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    A methodology for evaluating digital contact tracing apps based on the COVID-19 experience 
    Hernández-Orallo, Enrique; Manzoni, Pietro; Tavares De Araujo Cesariny Calafate, Carlos Miguel; Cano, Juan-Carlos (Nature Publishing Group, 2022-07-26)
    [EN] Controlling the spreading of infectious diseases has been shown crucial in the COVID-19 pandemic. Traditional contact tracing is used to detect newly infected individuals by tracing their previous contacts, and by ...
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    A novel approach for the fast detection of black holes in mobile ad hoc networks 
    Serrat Olmos, Manuel David; Hernández Orallo, Enrique; Cano Escribá, Juan Carlos; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Manzoni, Pietro (SAGE Publications (UK and US), 2013)
    Mobile ad hoc networks are infrastructure-less wireless networks that rely on node cooperation to properly work. In this kind of networks, attack detection and reaction is a key issue to the whole network. The most common ...
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    A Representative and Accurate Characterization of Inter-contact Times in Mobile Opportunistic Networks 
    Hernández Orallo, Enrique; Cano Escribá, Juan Carlos; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Manzoni, Pietro (ACM, 2013-11)
    A representative characterisation of inter-contact times between nodes is essential for the performance evaluation of mobile networks. The most common characterization of inter-contact times is based on the study of the ...
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    A SIR-based model for contact-based messaging applications supported by permanent infrastructure 
    Conejero, J. Alberto; Hernández-Orallo, Enrique; Manzoni, Pietro; Murillo-Arcila, Marina (American Institute of Mathematical Sciences, 2019-09)
    [EN] In this paper, we focus on the study of coupled systems of ordinary differential equations (ODEs) describing the diffusion of messages between mobile devices. Communications in mobile opportunistic networks take place ...
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    An analytical evaluation of a Map-based Sensor-data Delivery Protocol for VANETs 
    Martínez Tornell, Sergio; Hernández Orallo, Enrique; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano Escribá, Juan Carlos; Manzoni, Pietro (IEEE, 2013-06-04)
    The Delay Tolerant Networks (DTN) approach is considered the best strategy to address the specific issues of the VANETs, namely high mobility, variable node density or frequent radio obstacles. Several protocols have ...
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    An Analytical Model Based on Population Processes to Characterize Data Dissemination in 5G Opportunistic Networks 
    Hernández-Orallo, Enrique; Murillo Arcila, Marina; Cano, Juan-Carlos; Tavares De Araujo Cesariny Calafate, Carlos Miguel; Conejero, J. Alberto; Manzoni, Pietro (Institute of Electrical and Electronics Engineers, 2018)
    [EN] The scarcity of bandwidth due to the explosive growth of mobile devices in 5G makes the offloading messaging workload to Wi-Fi devices that use opportunistic connections, a very promising solution. Communications in ...
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    Analytical evaluation of the performance of contact-based messaging applications 
    Hernández Orallo, Enrique; Murillo Arcila, Marina; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano Escribá, Juan Carlos; Conejero Casares, José Alberto; Manzoni, Pietro (Elsevier, 2016-12-24)
    Communications in mobile opportunistic networks, instead of using the Internet infrastructure, take place upon the establishment of ephemeral contacts among mobile nodes using direct communication. In this paper, we ...
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    Aplicaciones de mensajería para dispositivos móviles basadas en comunicación punto a punto local 
    Fernández Delegido, David (Universitat Politècnica de València, 2016-09-07)
    [ES] El objetivo de este trabajo es realizar un análisis del funcionamiento de la comunicación entre dispositivos móviles locales para el intercambio y difusión de mensajes. Para ello se ha diseñado una aplicación para ...
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    Cascading and Ensemble Techniques in Deep Learning 
    de Zarzà, I.; de Curtò, J.; Hernández-Orallo, Enrique; Tavares De Araujo Cesariny Calafate, Carlos Miguel (MDPI AG, 2023-08)
    [EN] In this study, we explore the integration of cascading and ensemble techniques in Deep Learning (DL) to improve prediction accuracy on diabetes data. The primary approach involves creating multiple Neural Networks ...
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    CoCoWa: A Collaborative Contact-based Watchdog for Detecting Selfish Nodes 
    Hernández-Orallo, Enrique; Serrat Olmos, Manuel David; Cano, Juan-Carlos; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Manzoni, Pietro (Institute of Electrical and Electronics Engineers (IEEE), 2015-06)
    [EN] Mobile Ad-hoc Networks (MANETs) assume that mobile nodes voluntary cooperate in order to work properly. This cooperation is a cost-intensive activity and some nodes can refuse to cooperate, leading to a selfish node ...
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    Contextual contact tracing based on stochastic compartment modeling and spatial risk assessment 
    Mahmood, Mateen; Mateu, Jorge; Hernández-Orallo, Enrique (Springer-Verlag, 2022-03)
    [EN] The current situation of COVID-19 highlights the paramount importance of infectious disease surveillance, which necessitates early monitoring for effective response. Policymakers are interested in data insights ...
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    Cooperation techniques to improve peer-to-peer wireless networks security 
    Serrat Olmos, Manuel David (Editorial Universitat Politècnica de València, 2013-10-15)
    Computer networks security is a topic which has been extensively researched. This research is fully justified when one notices the dimensions of the problem faced. One can easily identify different kinds of networks, a ...
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    COVIDSensing: Social Sensing strategy for the management of the COVID-19 crisis 
    Sepúlveda, Alicia; Periñán-Pascual, Carlos; Muñoz, Andrés; Martínez-España, Raquel; Hernández-Orallo, Enrique; Cecilia-Canales, José María (MDPI AG, 2021-12)
    [EN] The management of the COVID-19 pandemic has been shown to be critical for reducing its dramatic effects. Social sensing can analyse user-contributed data posted daily in social-media services, where participants are ...
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    Data Transmissions using Hub Nodes in Vehicular Social Networks 
    Vegni, Anna Maria; Souza, Camilo; Loscrí, Valeria; Hernández-Orallo, Enrique; Manzoni, Pietro (Institute of Electrical and Electronics Engineers, 2020-07-01)
    [EN] Vehicular Social Networks (VSNs) consist of groups of individuals (i.e., people) who may share common interests, preferences and needs in the context of temporal spatial proximity on roads. In this environment, the ...
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    Desarrollo de un sistema de geolocalización de aviones en tiempo real 
    Forment Reina, Óscar (Universitat Politècnica de València, 2024-10-11)
    [ES] Este Trabajo de Fin de Grado aborda el desarrollo de una aplicación web destinada a la visualización y gestión de información de aeronaves en tiempo real. El objetivo principal del proyecto es proporcionar una herramienta ...
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    Desarrollo de una aplicación distribuida para dispositivos IOS 
    Querol Morata, Javier (Universitat Politècnica de València, 2012-05-10)
    Desarrollo de una aplicación distribuida para dispositivos IOS usando técnicas de localización y realidad aumentada.
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    Desarrollo de una aplicación móvil para la medida del ruido generado por aeronaves 
    Fresquet Micó, Antonio (Universitat Politècnica de València, 2024-09-16)
    [CA] Aquest treball de fi de grau tracta sobre el disseny d’una aplicació mòbil per a la detecció de soroll en temp real provenient d´aeronaus. L’objectiu es crear una ferramenta simple i façil d’usar que ajude a totes ...