Les xarxes comunitàries busquen una xarxa oberta, lliure i neutral aplicant el principi de
reciprocitat a la interconnexió de nodes per la circulació de continguts i serveis. El grup
investiga on Xarxes Comunitàries (Community Networks), Computació en Núvol Comunitària
(Community Clouds) i Xarxes De Sensors Sense Fils Comunitàries (Community Wireless Sensor
Networks).

Recent Submissions

  • BePOCH: Improving federated learning performance in resource-constrained computing devices 

    Ibraimi, Lenart; Selimi, Mennan; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    Inference with trained machine learning models is now possible with small computing devices while only a few years ago it was run mostly in the cloud only. The recent technique of Federated Learning offers now a way to do ...
  • Poster: Testbed in wireless city mesh network with application to federated learning experiments 

    Freitag, Fèlix; Vilchez Blanco, Pedro; Wei, Lu; Liu, Chun-Hung; Selimi, Mennan (Association for Computing Machinery (ACM), 2021)
    Conference lecture
    Open Access
    The increase of the computing capacity of IoT devices and the appearance of lightweight machine learning frameworks have led to the situation that machine learning can nowadays be run in IoT applications at the network ...
  • Non-linear models for black carbon exposure modelling using air pollution datasets 

    Puig Rovira, Josep M.; Paredes Ahumada, Juan Antonio; Barceló Ordinas, José María; García Vidal, Jorge; Reche Andúgar, Cristina; Sola Salvatierra, Yolanda; Fung, Pascale; Petaja, Tuukka; Hussein, Tareq; Viana Rodríguez, Mar (Elsevier, 2022-09-01)
    Article
    Open Access
    Black carbon (BC) is a product of incomplete combustion, present in urban aerosols and sourcing mainly from road traffic. Epidemiological evidence reports positive associations between BC and cardiovascular and respiratory ...
  • SAT-hadoop-processor: a distributed remote sensing big data processing software for earth observation applications 

    Boudriki Semlali, Badr Eddine; Freitag, Fèlix (Multidisciplinary Digital Publishing Institute, 2021-11-11)
    Article
    Open Access
    Nowadays, several environmental applications take advantage of remote sensing techniques. A considerable volume of this remote sensing data occurs in near real-time. Such data are diverse and are provided with high velocity ...
  • ¿Otro tipo de gamificación es posible?: experiencia de retos gamificados y de evaluación entre iguales desde el aprendizaje cooperativo y la atención a la diversidad. 

    Lluch Molins, Laia; Cano García, Elena; Valero García, Miguel; Meseguer Pallarès, Roc (Octaedro, 2022-02)
    Part of book or chapter of book
    Open Access
    En esta contribución se presenta el diseño pedagógico de una asignatura mediante actividades gamificadas sustentadas por herramientas tecnológicas y se avanzan los resultados de los cuestionarios de satisfacción y percepción ...
  • Demonstration of a library prototype to build LoRa mesh networks for the IoT 

    Miquel Solé, Joan; Miralles Nogués, Sergi; Pueyo Centelles, Roger; Freitag, Fèlix (2022-02)
    Research report
    Open Access
    LoRa has become popular in the Internet of Things (IoT) domain as a Low Power, Wide Area Network (LPWAN) radio technology providing low-power and long-range communi- cation. In a typical IoT application, the LoRaWAN ...
  • eReuse poster: the circular economy of digital devices 

    Navarro Moldes, Leandro; Roura Salietti, Mireya; Franquesa Griso, David; Meseguer Pallarès, Roc (Association for Computing Machinery (ACM), 2021)
    Conference lecture
    Open Access
    eReuse is an initiative and action-research project that since 2015 has iterated over research and activism to understand, develop, apply to communities, evaluate and scale-up the circular economy of digital devices. The ...
  • H2020 project CAPTOR dataset: Raw data collected by low-cost MOX ozone sensors in a real air pollution monitoring network 

    Barceló Ordinas, José María; Ferrer Cid, Pau; García Vidal, Jorge; Viana Rodríguez, Mar; Ripoll, Anna (Elsevier, 2021-06)
    Article
    Open Access
    The H2020 CAPTOR project deployed three testbeds in Spain, Italy and Austria with low-cost sensors for the measurement of tropospheric ozone (O3). The aim of the H2020 CAPTOR project was to raise public awareness in a ...
  • On-device training of machine learning models on microcontrollers with a look at federated learning 

    Monfort Grau, Marc; Pueyo Centelles, Roger; Freitag, Fèlix (Association for Computing Machinery (ACM), 2021)
    Conference report
    Open Access
    Recent progress in machine learning frameworks makes it now possible to run an inference with sophisticated machine learning models on tiny microcontrollers. Model training, however, is typically done separately on powerful ...
  • A minimalistic distance-vector routing protocol for LoRa mesh networks 

    Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2021-06-15)
    Research report
    Open Access
    LoRa has gained traction in the Internet of Things (IoT) domain as a Low Power, Wide Area Network(LPWAN) radio technology, providing low-power and long-range communication in the sub-GHz band. Most often it is used as part ...
  • A simheuristic algorithm for service placement in community networks 

    Panadero Martínez, Javier; Calvet Liñán, Laura; Bayliss, Christopher; Marques Puig, Joan Manuel; Selimi, Mennan; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    The growing demand for network connectivity has boosted the number of community networks (CNs). CNs are decentralized and self-organized communication networks owned and managed at the edge by volunteers. Due to the ...
  • The RIMO gateway selection approach for mesh networks: Towards a global Internet access for all 

    Batbayar, Khulan; Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Medina Medina, Esunly; Santos, Rodrigo (Multidisciplinary Digital Publishing Institute (MDPI), 2018)
    Conference report
    Open Access
    Community wireless mesh networks have emerged as cooperative initiatives to provide Internet Access in areas where traditional ISP costs are not affordable for the population. It is common in wireless mesh networks sharing ...

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