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  • 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
    Accés obert
    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)
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    Accés obert
    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)
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    Accés obert
    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 ...

  • Cloudy in guifi.net: Establishing and sustaining a community cloud as open commons 

    Baig Viñas, Roger; Freitag, Fèlix; Navarro Moldes, Leandro (Elsevier, 2018-10)
    Article
    Accés restringit per política de l'editorial
    Commons are natural or human-made resources that are managed cooperatively. The guifi.net community network is a successful example of a digital infrastructure, a computer network, managed as an open commons. Inspired by ...

  • Bandgap widening in macroporous silicon photonic crystals by multiperiodic structures 

    Segura García, Daniel; Cardador Maza, David; Vega d'Aurelio, Davide; Santos Blanco, M. Concepción; Dios Otín, Víctor Federico; Rodríguez Martínez, Ángel (Institute of Physics (IOP), 2018-05-14)
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    Accés obert
    Large bandgaps with low transmission in 3D macroporous silicon photonic crystals have been proved as an interesting technology for the development of optical filters and spectroscopic MIR gas sensors. The aim of this study ...

  • Enabling individually entrusted routing security for open and decentralized community networks 

    Neumann, Axel; Navarro Moldes, Leandro; Cerdà Alabern, Llorenç (Elsevier, 2018-10)
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    Accés restringit per política de l'editorial
    Routing in open and decentralized networks relies on cooperation. However, the participation of unknown nodes and node administrators pursuing heterogeneous trust and security goals is a challenge. Community-mesh networks ...

  • Cooperative download in vehicular environments 

    Trullols Cruces, Óscar; Fiore, Marco; Barceló Ordinas, José María (2011-05-12)
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    Accés restringit per política de l'editorial
    We consider a complex (i.e., nonlinear) road scenario where users aboard vehicles equipped with communication interfaces are interested in downloading large files from road-side Access Points (APs). We investigate the ...

  • Coordinated detection of forwarding faults in wireless community networks 

    López, Ester; Navarro Moldes, Leandro (2018-05-01)
    Article
    Accés restringit per política de l'editorial
    Wireless Community Networks (WCN) are crowdsourced networks where equipment is contributed and managed by members from a community. WCN have three intrinsic characteristics that make forwarding faults more likely: inexpensive ...

  • A lightweight service placement approach for community network micro-clouds 

    Selimi, Mennan; Cerdà Alabern, Llorenç; Freitag, Fèlix; Veiga, Luis; Sathiaseelan, Arjuna; Crowcroft, Jon (2018-02-28)
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    Accés obert
    Community networks (CNs) have gained momentum in the last few years with the increasing number of spontaneously deployed WiFi hotspots and home networks. These networks, owned and managed by volunteers, offer various ...

  • A stochastic approach for modeling message dissemination in opportunistic networks 

    Orozco, Javier; Santos, Rodrigo; Meseguer Pallarès, Roc; Ochoa, Sergio (2017-11)
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    Accés obert
    The opportunistic networks have shown to be an interesting communication infrastructure for supporting mobile collaborative systems in several application scenarios like disaster relief efforts, hospital work and tourism. ...

  • Real-time communication support for underwater acoustic sensor networks 

    Santos, Rodrigo; Orozco, Javier; Micheletto, Matías; Ochoa, Sergio; Meseguer Pallarès, Roc; Millán, Pere; Molina Clemente, Carlos Maria (MDPI AG, 2017-07-14)
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    Accés obert
    Underwater sensor networks represent an important and promising field of research due to the large diversity of underwater ubiquitous applications that can be supported by these networks, e.g., systems that deliver tsunami ...

  • A DRAM/SRAM memory scheme for fast packet buffers 

    García Vidal, Jorge; March, Maribel; Cerdà Alabern, Llorenç; Corbal San Adrián, Jesús; Valero Cortés, Mateo (2006-05)
    Article
    Accés obert
    We address the design of high-speed packet buffers for Internet routers. We use a general DRAM/SRAM architecture for which previous proposals can be seen as particular cases. For this architecture, large SRAMs are needed ...

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