Recent Submissions

  • A comparative study of calibration methods for low-cost ozone sensors in IoT platforms 

    Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge; Ripoll, Anna; Viana, Mar (2019-12-01)
    Article
    Open Access
    This paper shows the result of the calibration process of an Internet of Things platform for the measurement of tropospheric ozone (O 3 ). This platform, formed by 60 nodes, deployed in Italy, Spain, and Austria, consisted ...
  • Estimation of web proxy response times in community networks using matrix factorization algorithms 

    Gómez Sánchez, Eduardo; Bores Quijano, Diego; Bote Lorenzo, Miguel Luís; Meseguer Pallarès, Roc (2020-01-01)
    Article
    Open Access
    In community networks, users access the web using a proxy selected from a list, normally without regard to its performance. Knowing which proxies offer good response times for each client would improve the user experience ...
  • Socially aware microcloud service overlay optimization in community networks 

    Silvestre Apolonia, Nuno Miguel; Freitag, Fèlix; Navarro Moldes, Leandro; Girdzijauskas, Sarunas (2019-09-11)
    Article
    Restricted access - publisher's policy
    Community networks are a growing network cooperation effort by citizens to build and maintain Internet infrastructure in regions that are not available. Adding that, to bring cloud services to community networks (CNs), ...
  • PiCasso: enabling information-centric multi-tenancy at the edge of community mesh networks 

    Selimi, Mennan; Lertsinsrubtavee, Adisorn; Sathiaseelan, Arjuna; Cerdà Alabern, Llorenç; Navarro Moldes, Leandro (2019-12-09)
    Article
    Open Access
    Edge computing is radically shaping the way Internet services are run by enabling computations to be available close to the users - thus mitigating the latency and performance challenges faced in today’s Internet infrastructure. ...
  • Towards scalable Community Networks topologies 

    Maccari, Leonardo; Gemmi, Gabriele; Lo Cigno, Renato; Karaliopoulos, Merkourios; Navarro Moldes, Leandro (Elsevier, 2019-11)
    Article
    Restricted access - publisher's policy
    Community Networks (CNs) are grassroots bottom-up initiatives that build local infrastructures, normally using Wi-Fi technology, to bring broadband networking in areas with inadequate offer of traditional infrastructures ...
  • Time series analysis to predict end-to-end quality of wireless community networks 

    Millán Marco, Pere; Aliagas Castell, Carles; Molina Clemente, Carlos Maria; Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc (2019-05-01)
    Article
    Open Access
    Community Networks have been around us for decades being initially deployed in the USA and Europe. They were designed by individuals to provide open and free “do it yourself” Internet access to other individuals in the ...
  • Distributed multi-scale calibration of low-cost ozone sensors in wireless sensor networks 

    Barceló Ordinas, José María; Ferrer Cid, Pau; García Vidal, Jorge; Ripoll, Anna; Viana, Mar (Multidisciplinary Digital Publishing Institute (MDPI), 2019-05-31)
    Article
    Open Access
    New advances in sensor technologies and communications in wireless sensor networks have favored the introduction of low-cost sensors for monitoring air quality applications. In this article, we present the results of the ...
  • Self-calibration methods for uncontrolled environments in sensor networks: A reference survey 

    Barceló Ordinas, José María; Doudou, Messaoud; García Vidal, Jorge; Badache, Nadjib (Elsevier, 2019-05-15)
    Article
    Restricted access - publisher's policy
    Growing progress in sensor technology has constantly expanded the number and range of low-cost, small, and portable sensors on the market, increasing the number and type of physical phenomena that can be measured with ...
  • Providing real-time message delivery on opportunistic networks 

    Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc; Mossé, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2018-06-26)
    Article
    Open Access
    IoT systems monitoring or controlling the behavior of smart environments frequently require to count on real-time message delivery, in order to support decision making and eventually coordinate the individual behavior of ...
  • Testing the performance of sensors for ozone pollution monitoring in a citizen science approach 

    Ripoll Ruiz, Aleix; Viana, Mar; Padrosa, Marc; Querol Carceller, Xavier; Minutolo, Andrea; Hou, Kun Mean; Barceló Ordinas, José María; García Vidal, Jorge (Elsevier, 2019-02-15)
    Article
    Open Access
    Tropospheric ozone (O3) is an environmental pollutant of growing concern, especially in suburban and rural areas where the density of air quality monitoring stations is not high. In this type of areas citizen science ...
  • Flying real-time network to coordinate disaster relief activities in urban areas 

    Micheletto, Matías; Petrucci, Vinicius; Santos, Rodrigo; Orozco, Javier; Mossé, Daniel; Ochoa, Sergio; Meseguer Pallarès, Roc (Multidisciplinary Digital Publishing Institute (MDPI), 2018-05-22)
    Article
    Open Access
    While there have been important advances within wireless communication technology, the provision of communication support during disaster relief activities remains an open issue. The literature in disaster research reports ...
  • Community networks and sustainability: a survey of perceptions, practices, and proposed solutions 

    Micholia, Panagiota; Karaliopoulos, Merkouris; Koutsopoulos, Iordanis; Navarro Moldes, Leandro; Baig Viñas, Roger; Boucas, Dimitris; Michalis, Maria; Antoniadis, Panayiotis (Institute of Electrical and Electronics Engineers (IEEE), 2018-03-21)
    Article
    Open Access
    Community network (CN) initiatives have been around for roughly two decades, evangelizing a distinctly different paradigm for building, maintaining, and sharing network infrastructure but also defending the basic human ...

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