Now showing items 1-15 of 15

    • A LoRa-Based communication system for coordinated response in an earthquake Aftermath 

      Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Santos, Rodrigo M. (MDPI, 2019)
      Conference report
      Open Access
      The response conducted by 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 ...
    • A minimalistic distance-vector routing protocol for LoRa mesh networks 

      Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2021-06-15)
      External 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 monitoring system for distributed edge infrastructures with decentralized coordination 

      Pueyo Centelles, Roger; Selimi, Mennan; Freitag, Fèlix; Navarro Moldes, Leandro (Springer, 2019)
      Conference report
      Open Access
      We present the case of monitoring a decentralized and crowdsourced network infrastructure, that needs to be monitored over geographically distributed devices at the network edge. It is a characteristic of the target ...
    • An IoT-based infrastructure to enhance self-evacuations in natural hazardous events 

      Finochietto, José Mariano; Micheletto, Matías; Eggly, Gabriel M.; Pueyo Centelles, Roger; Santos, Rodrigo; Ochoa, Sergio F.; Meseguer Pallarès, Roc; Orozco, Javier (2021-02-05)
      Article
      Restricted access - publisher's policy
      Regardless of the extensive research conducted on large-scale evacuations, the instrumentation of these processes still represents an open issue for first response organizations. Self-evacuation of civilians that follows ...
    • Beyond the star of stars: An introduction to multihop and mesh for LoRa and LoRaWAN 

      Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2021-04)
      Article
      Open Access
      LoRa has emerged in recent years as a wireless technology providing long-range communication for low-power Internet-of-Things (IoT) devices. The LoRaWAN architecture adds the medium access control (MAC) and application ...
    • Building microclouds at the network edge with the Cloudy platform 

      Freitag, Fèlix; Pueyo Centelles, Roger; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Edge computing enables new types of services which operate at the network edge. There are important use cases in pervasive computing, ambient intelligence and the Internet of Things (IoT) for edge computing. In this demo ...
    • Community network clouds as a case for the IEEE Intercloud standardization 

      Baig Viñas, Roger; Freitag, Fèlix; Moll, Agustí; Navarro Moldes, Leandro; Pueyo Centelles, Roger; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      The IEEE P2302 Intercloud WG conducts work since 2011 on the project Standard for Intercloud Interoperability and Federation with the goal to define a standard architecture and building components for large-scale ...
    • DIMON: Distributed Monitoring System for decentralized edge clouds in Guifi.net 

      Pueyo Centelles, Roger; Selimi, Mennan; Freitag, Fèlix; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      Community-built telecommunication networks such as Guifi.net demonstrate how end users can actively collaborate in the self-provision of network services, for instance by operating a self-organized distributed monitoring ...
    • End user-managed service deployments in microclouds at the network edge 

      Freitag, Fèlix; Navarro Moldes, Leandro; Selimi, Mennan; Pueyo Centelles, Roger (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      Cloud computing is moving from data centers to the network edge. Edge computing introduces lightweight computing devices closer to where data are produced. Local processing enables faster response times for cloud-based ...
    • Extending LoRa networks: dynamic routing protocols and sub-GHz radio technology for very long range mesh networks: student research abstract 

      Pueyo Centelles, Roger (Association for Computing Machinery (ACM), 2019)
      Conference report
      Restricted access - publisher's policy
      Sub-GHz radio technologies operating in ISM bands, such as LoRa 1 , have become very popular as the wireless data transmission mechanism for IoT applications. Their great link budget allows nodes to reach several km while ...
    • 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
      Restricted access - publisher's policy
      Civilians 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)
      External research report
      Open Access
      Response 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 ...
    • On edge microclouds to provide local container-based services 

      Baig Viñas, Roger; Pueyo Centelles, Roger; Freitag, Fèlix; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Edge computing has been proposed to enable more user-centric cloud-based services. Nowadays, edge computing is operational in industrial and consumer-oriented scenarios. An important limitation of today's solutions, however, ...
    • Performance Assessment of an Optical Packet Switch Architecture with Highly Distributed Control in a Data Center Environment 

      Pueyo Centelles, Roger (Universitat Politècnica de Catalunya, 2015-11)
      Master thesis (pre-Bologna period)
      Open Access
      Fast Optical Packet Switches (OPSs) scaling to the thousand ports count can represent a valuable solution to satisfy the fast-growing communication requirements of large Internet Data Centers (DCs). A novel system based ...
    • REDEMON: Resilient Decentralized Monitoring system for edge Infrastructures 

      Pueyo Centelles, Roger; Selimi, Mennan; Freitag, Fèlix; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Open Access
      The Guifi.net community network has evolved during the past 15 years into a telecommunications infrastructure that offers Internet access to more than 80.000 people. The monitoring system currently in place for this network ...