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Listar por autor "Guerri Cebollada, Juan Carlos"

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A Contribution to Video Streaming Quality and Energy Efficiency in Optical and Ethernet Networks

Vargas Hernández, Tito Raúl (Universitat Politècnica de València, 2023-04-18)

[ES] La distribución de contenidos multimedia, tanto a través de Internet como de redes gestionadas dedicadas exclusivamente a este fin, está teniendo una mayor cuota del tráfico total y crece cada día, especialmente el ...
A DASH server-side delay-based representation switching solution to improve the quality of experience for low-latency live video streaming

Belda Ortega, Román; Arce Vila, Pau; Guerri Cebollada, Juan Carlos; De Fez, Ismael (Elsevier, 2023-11)

[EN] This work addresses the integration of real-time transmission systems, including IP cameras and production systems (like OBS or vMix), that use protocols such as RTSP (Real Time Streaming Protocol) or SRT (Secure ...
A hybrid gateway discovery algorithm for supporting QoS communications in heterogeneous networks

Castellanos Hernández, Wilder Eduardo; Guerri Cebollada, Juan Carlos; Chacón Osorio, Mónica Edith (Universidad de Antioquia. Facultad de Ingenieria, 2016)

[EN] In most practical applications, ad hoc mobile devices demand the access to wired hosts located beyond the limits of the mobile ad hoc network, forming a heterogeneous wired-cum-wireless network. This interconnection ...
A personalized system for scalable distribution of multimedia content in multicast wireless networks

De Fez Lava, Ismael; Gil Pascual, Miriam; Fons Cors, Joan Josep; Guerri Cebollada, Juan Carlos; Pelechano Ferragud, Vicente (Springer, 2014-06-15)

This paper presents a novel architecture for scalable multimedia content delivery over wireless networks. The architecture takes into account both the user preferences and context in order to provide personalized contents ...
A power consumption monitoring, displaying and evaluation system for home devices

Miquel Murcia, Antoni; Belda Ortega, Román; De Fez Lava, Ismael; Arce Vila, Pau; Fraile Gil, Francisco; Guerri Cebollada, Juan Carlos; Martínez Zaldívar, Francisco José; Gallardo Bermell, Sergio (2013)

[EN] This paper presents an implementation of a smart meter monitoring system based on Arduino platform and accessible from Android mobile devices. On the one hand, it has been developed a measure device, based on Arduino, ...
A QoS-aware routing protocol with adaptive feedback scheme for video streaming for mobile networks

Castellanos Hernández, Wilder Eduardo; Guerri Cebollada, Juan Carlos; Arce Vila, Pau (Elsevier, 2016-03-01)

One of the major challenges for the transmission of time-sensitive data like video over mobile ad-hoc networks (MANETs) is the deployment of an end-to-end QoS support mechanism. Therefore, several approaches and enhancements ...
Abuso de servicios de internet

Riff Andrés, David (Universitat Politècnica de València, 2018-10-01)

El objetivo de este proyecto es eludir firewalls y proxys utilizando estaganografía en video. El video, contendrá información oculta y será almacenado en servicios gratuitos de video-streaming. Al ser este tipo de tráfico ...
Algoritmo de adaptación DASH: Look Ahead

Belda Ortega, Román (Universitat Politècnica de València, 2013-11-08)

La transmisión de vídeo por Internet ocupa el primer puesto de consumo de ancho de banda y la previsión es que continúe siendo la principal fuente de tráfico en Internet. Entre los diferentes mecanismos de transmisión de ...
An Adaptive Mechanism for Optimal Content Download in Wireless Networks

De Fez Lava, Ismael; Guerri Cebollada, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2014-06)

This paper presents an adaptive mechanism for improving the content download in wireless environments. The solution is based on the use of the file delivery over unidirectional transport (FLUTE) protocol in multicast ...
An altruistic cross-layer recovering mechanism for ad hoc wireless networks

Arce Vila, Pau; Guerri Cebollada, Juan Carlos (Wiley-Blackwell, 2015-09-01)

Video streaming services have restrictive delay and bandwidth constraints. Ad hoc networks represent a hostile environment for this kind of real-time data transmission. Emerging mesh networks, where a backbone provides ...
An XML approach to assessment in education

Palau Salvador, Carlos Enrique; Manso Morente, Víctor; Raga, J.M.; Romero Llop, Roberto; Guerri Cebollada, Juan Carlos; Esteve Domingo, Manuel (ACTA Press, 2003)

Research efforts in the field of computer-aided education are represented by a broad spectrum of applications, from the virtual classroom to remote courses. In these environments, visualizing the progress of students ...
Analysis and evaluation of adaptive LDPC AL-FEC codes for content download services

De Fez Lava, Ismael; Fraile Gil, Francisco; Belda Ortega, Román; Guerri Cebollada, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2012-06)

This paper proposes the use of adaptive low density parity check (LDPC) application layer-forward error correction (AL-FEC) codes for content download services over erasure channels. In adaptive LDPC codes, clients inform ...
Análisis de la calidad del streaming de vídeo a través de redes OBS

Campos Rodríguez, Javier (Universitat Politècnica de València, 2014-01-14)

Las redes de conmutación de ráfagas sobre fibra óptica cobran fuerza como la mejor opción para las redes troncales en un futuro a corto medio plazo y, ante el auge de uso del streaming de vídeo, se hace necesario un análisis ...
Android real-time audio communications over local wireless

Belda Ortega, Román; Arce Vila, Pau; De Fez Lava, Ismael; Fraile Gil, Francisco; Guerri Cebollada, Juan Carlos (Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2012)

This paper describes an Android mobile application that allows voice communications through short-range wireless networks, mainly Bluetooth and Wi-Fi. The application is able to replicate as close as possible the behavior ...
AQA-AODV: Protocolo de encaminamiento con QoS para redes inalámbricas ad hoc

Castellanos Hernández, Wilder Eduardo (Universitat Politècnica de València, 2013-06-20)

[ES] Debido a las limitaciones de ancho de banda y a la topología dinámica de las redes móviles ad hoc, uno de los mayores desafíos es el desarrollo de mecanismos de calidad de servicio que permitan que comunicaciones ...
Arquitectura de validación automática de un sistema de comunicaciones para aplicaciones de Smart Grid

Roselló Micó, Adrián (Universitat Politècnica de València, 2020-10-19)

[ES] La red eléctrica inteligente, o Smart Grid, se basa en combinar las tecnologías de información y comunicación con la automatización y control. Ofrece una solución para incrementar la eficiencia energética monitorizando ...
Arquitectura web para Cloud Data Logging de alta concurrencia, escalabilidad y orientada a servicio

Llacer Paredes, Carles (Universitat Politècnica de València, 2015-01-03)

Arquitectura web para recolección de datos en tiempo real, primando la concurrencia masiva, escalabilidad futura y el uso tanto de estándares web consolidados como de tecnologías emergentes base del paradigma Internet of ...
Automatic QoE evaluation for asymmetric encoding of 3D videos for DASH streaming service

Guzman Castillo, Paola Fernanda; Arce Vila, Pau; Guerri Cebollada, Juan Carlos (Elsevier, 2020-09-01)

[EN] The paper is based on the study of the performance of a Dynamic Adaptive Streaming over HTTP (DASH) system in the context of 3D video streaming, using different scenarios and network conditions, specifically with ...
Available Bandwidth Estimation for Adaptive Video Streaming in Mobile Ad Hoc

Castellanos, W.; Guerri Cebollada, Juan Carlos; Arce Vila, Pau (Springer-Verlag, 2019-09)

[EN] We propose in this paper an algorithm for available bandwidth estimation in mobile ad hoc networks and its integration into a conventional routing protocol like AODV for improving the rate-adaptive video streaming. ...
Buffering Technique for Optimizing Energy Consumption in the Transmission of MultimediaTraffic in Ad-Hoc Networks

Gonzalez, S.; Arce Vila, Pau; Guerri Cebollada, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2015-01)

Energy constraints on wireless nodes represent a current field of research. Such restrictions are particularly significant because of the great amount of features and applications currently available on devices, which ...