Exploració per autor "Freitag, Fèlix"
Ara es mostren els items 64-83 de 132
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Implementación y evaluación de actividades de aprendizaje cooperativo en asignaturas de proyectos
Freitag, Fèlix; Navarro, Leandro (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2007-06-28)
Text en actes de congrés
Accés obert -
Implementation of a LoRa Mesh library
Miquel Solé, Joan; Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc (Institute of Electrical and Electronics Engineers (IEEE), 2022-10-26)
Article
Accés obertLoRa is a popular communication technology in the Internet of Things (IoT) domain, providing low-power and long-range communications. Most LoRa IoT applications use the LoRaWAN architecture, which builds a star topology ... -
Incentive-based resource assignment and regulation for collaborative cloud services in community networks
Khan, Muhammad Amin; Buyuksahin, Umit C.; Freitag, Fèlix (2015-12-01)
Article
Accés obertCommunity networks are a successful example of a collective where communities operate ICT infrastructure based on the principle of reciprocal sharing of network bandwidth. Cloud computing, common in today's Internet, has ... -
Incentivos basados en el esfuerzo para compartir recursos en aplicaciones colaborativas
Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Navarro Moldes, Leandro (2013)
Text en actes de congrés
Accés restringit per política de l'editorialLas aplicaciones colaborativas voluntarias necesitan implementar mecanismos de incentivos para regular la compartición de los recursos y fomentar la contribución de los nodos de la red. Por lo general, estos mecanismos de ... -
Information and regulation in decentralized marketplaces for P2P-Grids
León Gutiérrez, Xavier; Vilajosana Guillen, Xavier; Brunner, René; Krishnaswamy, Ruby; Navarro Moldes, Leandro; Freitag, Fèlix; Marquès Puig, Joan Manel (IEEE Computer Society Publications, 2008)
Comunicació de congrés
Accés obertLarge scale systems such as the Grid need scalable and efficient resource allocation mechanisms to fulfil the requirements of its participants and applications while the whole system is regulated to work efficiently. ... -
Integrating a neural network library in embedded federated learning
Aatab, Soufiane; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertFederated learning has become a popular collaborative machine learning approach in which clients use their local data for training. This results in bandwidth savings since the training data does not have to be transferred ... -
Integration of assisted P2P live streaming service in community network clouds
Selimi, Mennan; Apolonia, Nuno; Olid Domínguez, Ferran; Freitag, Fèlix; Navarro Moldes, Leandro; Moll, Agustí; Pueyo, Roger; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés obertWireless community networks (CNs) are large-scale, self-organized and decentralized communication infrastructures built and operated by citizens for citizens. CN cloud infrastructures have been recently introduced to run ... -
Integration of decentralized economic models for resource self-management in application layer networks
Chacín Martínez, Pablo; Freitag, Fèlix; Navarro Moldes, Leandro; Chao, Isaac; Ardáiz Villanueva, Óscar (Springer, 2005)
Text en actes de congrés
Accés obertResource allocation is one of the challenges for self-management of large scale distributed applications running in a dynamic and heterogeneous environment. Considering Application Layer Networks (ALN) as a general term ... -
Large event traces in parallel performance analysis.
Wolf, Felix; Freitag, Fèlix; Mohr, Bernd; Moore, Shirley; Wylie, Brian J. N. (Springer Verlag, 2006)
Text en actes de congrés
Accés obertA powerful and widely-used method for analyzing the performance behavior of parallel programs is event tracing. When an application is traced, performancerelevant events, such as entering functions or sending messages, ... -
Leveraging deployment models on low-resource devices for cloud services in community networks
Silvestre Apolonia, Nuno Miguel; Freitag, Fèlix; Navarro Moldes, Leandro (2016-07)
Article
Accés obertCommunity networks are crowd-sourced IP networks that evolved into regional-scale computing platforms. This has led to adapting the cloud computing model for services that can operate and use computing resources inside a ... -
LoRaCoin: Towards a blockchain-based platform for managing LoRa devices
Cruz Harillo, Eloi; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2022)
Comunicació de congrés
Accés obertWe propose LoRaCoin, a decentralized blockchainbased service to manage the generation and storage of sensor data generated by IoT devices. A novel feature of LoRaCoin is that it rewards both IoT devices that generate data ... -
LoRaMoto: a communication system to provide safety awareness among civilians after an earthquake
Pueyo Centelles, Roger; Meseguer Pallarès, Roc; Freitag, Fèlix; Navarro Moldes, Leandro; Ochoa, Sergio; Santos, Rodrigo (Elsevier, 2021-02)
Article
Accés obertCivilians in areas hit by earthquakes become in particular concerned about the safety of family and friends. However, outages in communications networks following these events limit their capacity to get information. So, ... -
LoRaMoto: a LoRa-based communication system for coordinated response in an earthquake aftermath (excerpt)
Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2019-07-26)
Report de recerca
Accés obertResponse of emergency units after natural disasters, such as earthquakes, has to be coordinated, fast and efficient in order to rescue and care for the victims, keeping all the population –and the units themselves– safe ... -
LoRaTRUST: blockchain-enabled trust and accountability service for IoT data
Vilchez Blanco, Pedro; Jacques, Saulo; Freitag, Fèlix; Meseguer Pallarès, Roc (2023-04-25)
Article
Accés obertEnvironmental monitoring is a growing application of the Internet of Things. The low cost of the sensor nodes, LoRa connectivity, and increased awareness of environmental issues have motivated many citizens to participate ... -
MeshDapp: Blockchain-enabled sustainable business models for networks
Dimogerontakis, Emmanouil; Navarro Moldes, Leandro; Selimi, Mennan; Mosquera Dopico, Sergio; Freitag, Fèlix (Springer, 2019)
Text en actes de congrés
Accés obertThe digital world demands a network infrastructure to supply connectivity to any participant anywhere. Sustainable networks require balanced value flows. Value is connectivity delivered at a material and service cost to ... -
Modelado de la trayectoria de los polos en la secuencia de LPC
Freitag, Fèlix; Monte Moreno, Enrique; Hernando Pericás, Francisco Javier (Universidad de Valladolid, 1995)
Text en actes de congrés
Accés obertA alternative way of representing time variations of the speech spectra is presented. We propose to model the trajectories of the poles of the LPC analysis spectra using exponential functions as alternative to delta ... -
Motivating the non-technical participation in technical communities
Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Ochoa, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialEmail Print Request Permissions Technical communities are social structures that emerge around the interest of individuals to build and deploy their own technology or communication infrastructure, such as wireless ... -
Multicast injection for application network deployment.
Ardáiz Villanueva, Óscar; Freitag, Fèlix; Navarro Moldes, Leandro (IEEE, 2001)
Text en actes de congrés
Accés obertIntroduction of new services on the Internet is a laborious, time-consuming task. Application networks, applications being serviced through multiple interconnected service nodes disseminated across the Internet for better ... -
On distributed systems and CSCL.
Navarro Moldes, Leandro; Marquès Puig, Joan Manel; Freitag, Fèlix (IEEE, 2004-04)
Text en actes de congrés
Accés obertThe design of distributed systems for collaborative work or learning requires that both humans and machines be organized such that the potential and limitations of the human-machine interdependence is optimized. Current ... -
On edge cloud service provision with distributed home servers
Khan, Amin Muhammad; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertEdge computing has been proposed for new types of cloud services, which need computing infrastructure at the network edge. Driven by important use cases from the Internet of Things (IoT) domain, edge cloud computing has ...