Recent Submissions

  • Circular consumption and production of electronic devices: an approach to measuring durability, upgradeability, reusability, obsolescence and premature recycling 

    Franquesa Griso, David; Navarro Moldes, Leandro; Fortelny, Stephan; Roura Salietti, Mireia; Nadeu Ferran, Jordi (Institut universitari de recerca en Ciència i Tecnologies de la Sostenibilitat (ISST.UPC), 2019)
    Conference report
    Open Access
    What is circular consumption of electronics? Is it measurable? Can we set goals or compare with other consumers? A principle of circular economy is durability, prolonging the useful life of products. If we move the principle ...
  • Comparison of two microcontroller boards for on-device model training in a keyword spotting task 

    Llisterri i Giménez, Nil; Freitag, Fèlix; Lee, JunKyu; Vandierendonck, Hans (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    Machine learning applications on resource-constrained devices such as microcontroller units often use models trained externally on more powerful devices. This approach, however, limits a later adaptation of the machine ...
  • LoRaCoin: Towards a blockchain-based platform for managing LoRa devices 

    Cruz Harillo, Eloi; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference lecture
    Open Access
    We 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 ...
  • Towards a monitoring system for a LoRa mesh network 

    Capella del Solar, Alejandro Jesús; Miquel Solé, Joan; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference lecture
    Open Access
    LoRa is a popular communication technology used in Internet of Things (IoT) applications. Typically, in the LoRaWAN architecture, an end node periodically sends a LoRaWAN message to a gateway connected to the Internet. ...
  • Demonstration of a library prototype to build LoRa mesh networks for the IoT 

    Miquel Solé, Joan; Miralles Nogués, Sergi; Pueyo Centelles, Roger; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference 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 communication. In a typical IoT application, the LoRaWAN architecture ...
  • A realistic open-data-based cost model for wireless backhaul networks in rural areas 

    Gemmi, Gabriele; Cerdà Alabern, Llorenç; Maccari, Leonardo (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    Broadband Internet provision is an increasing demand in many rural areas and wireless internet service providers have emerged as an opportunity to fill this need. However, this type of operator typically consists of a small ...
  • Designing a double LoRa connectivity for the Arduino Portenta H7 

    López Pino, Daniel; Freitag, Fèlix; Selimi, Mennan (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    Machine learning is moving to the smallest computing devices. Today machine learning is applied even in tiny IoT microcontroller boards. In the IoT, LoRa is a popular communication technology to connect remote devices with ...
  • A trace-scaling agent for parallel application tracing 

    Freitag, Fèlix; Caubet Serrabou, Jordi; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2002)
    Conference report
    Open Access
    Tracing and performance analysis tools are an important component in the development of high performance applications. Tracing parallel programs with current tracing tools, however, easily leads to large trace files with ...
  • Demo: An experimental environment based on mini-PCs for federated learning research 

    Freitag, Fèlix; Vilchez Blanco, Pedro; Wei, Lu; Liu, Chun-Hung; Selimi, Mennan; Koutsopoulos, Iordanis (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    There is a growing research interest in Federated Learning (FL), a promising approach for data privacy preservation and proximity of training to the network edge, where data is generated. Resource consumption for Machine ...
  • Circular digital devices: lessons about the social and planetary boundaries 

    Roura Salietti, Mireya; Franquesa Griso, David; Navarro Moldes, Leandro; Meseguer Pallarès, Roc (2021)
    Conference report
    Open Access
    The digital world can be part of the solution to the coexistence of people and the planet, with large efficiencies gained through digital solutions, but it is part of the problem too, as it requires vast natural resources ...
  • 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 ...

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