Recent Submissions

  • Applying cognitive dynamic learning strategies for margins reduction in operational optical networks 

    Notivol Calleja, Luis David; Spadaro, Salvatore; Perelló Muntan, Jordi; Junyent Giralt, Gabriel (2020-09-01)
    Article
    Restricted access - publisher's policy
    Today's optical transport networks are complex already and the support of the new arising services will further increase such complexity. Traditional deterministic network procedures will need to be revisited, especially ...
  • Immersive interconnected virtual and augmented reality: a 5G and IoT perspective 

    Torres Vega, Maria; Liaskos, Christos; Abadal Cavallé, Sergi; Papapetrou, Evangelos; Jain, Akshay; Mouhouche, Belkacem; Kalem, Gokhan; Ergüt, Salih; Mach, Marian; Sabol, Tomas; Cabellos Aparicio, Alberto; Grimm, Christoph; De Turck, Filip; Famaey, Jeroen (2020-01-01)
    Article
    Restricted access - publisher's policy
    Despite remarkable advances, current augmented and virtual reality (AR/VR) applications are a largely individual and local experience. Interconnected AR/VR, where participants can virtually interact across vast distances, ...
  • Toward intelligent metasurfaces: the progress from globally tunable metasurfaces to software-defined metasurfaces with an embedded network of controllers 

    Tsilipakos, Odysseas; Tasolamprou, Anna; Pitilakis, Alexandros; Liu, Fu; Wang, Xuchen; Mirmoosa, Mohammad Sajjad; Tzarouchis, Dimitrios C.; Abadal Cavallé, Sergi; Taghvaee, Hamidreza; Liaskos, Christos; Tsioliaridou, Ageliki; Georgiou, Julius; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Ioannidis, Sotiris; Pitsillides, Andreas; Akyildiz, Ian; Kantartzis, Nikolaos V.; Economou, Eleftherios; Soukoulis, Costas; Kafesaki, Maria; Tretyakov, Sergei (2020-01-01)
    Article
    Open Access
    Metasurfaces, the ultrathin, 2D version of metamaterials, have recently attracted a surge of attention for their capability to manipulate electromagnetic waves. Recent advances in reconfigurable and programmable metasurfaces ...
  • Scalability analysis of programmable metasurfaces for beam steering 

    Taghvaee, Hamidreza; Abadal Cavallé, Sergi; Pitilakis, Alexandros; Tsilipakos, Odysseas; Tasolamprou, Anna; Liaskos, Christos; Kafesaki, Maria; Kantartzis, Nikolaos V.; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-01)
    Article
    Open Access
    Programmable metasurfaces have garnered significant attention as they confer unprecedented control over the electromagnetic (EM) response of any surface. Such feature has given rise to novel design paradigms such as ...
  • RouteNet: leveraging graph neural networks for network modeling and optimization in SDN 

    Rusek, Krzysztof; Suárez-Varela Maciá, José Rafael; Almasan Puscas, Felician Paul; Barlet Ros, Pere; Cabellos Aparicio, Alberto (2020-06-05)
    Article
    Open Access
    Network modeling is a key enabler to achieve efficient network operation in future self-driving Software-Defined Networks. However, we still lack functional network models able to produce accurate predictions of Key ...
  • Presentación. Redes de acceso inalámbricas: hacia las comunicaciones móviles integradas 

    Casares Giner, Vicente; Domingo Pascual, Jordi (Asociación de Técnicos de Informática, 2004-01)
    Article
    Open Access
  • Programmable metamaterials for software-defined electromagnetic control: circuits, systems, and architectures 

    Abadal Cavallé, Sergi; Cui, Tie-Jun; Low, Tony; Georgiou, Julius (2020-03-01)
    Article
    Open Access
    Metamaterials and their two-dimensional analogues, metasurfaces, have recently attracted enormous attention because of their powerful control over electromagnetic (EM) waves from microwave to visible range. Moreover, by ...
  • Error analysis of programmable metasurfaces for beam steering 

    Taghvaee, Hamidreza; Cabellos Aparicio, Alberto; Georgiou, Julius; Abadal Cavallé, Sergi (2020-03-01)
    Article
    Open Access
    Recent years have seen the emergence of programmable metasurfaces, where the user can modify the electromagnetic (EM) response of the device via software. Adding reconfigurability to the already powerful EM capabilities ...
  • Global state, local decisions: Decentralized NFV for ISPs via enhanced SDN 

    Rodríguez Natal, Alberto; Ermagan, Vina; Noy, Ariel; Sahai, Ajay; Kaempfer, Gideon; Barkai, Sharon; Maino, Fabio; Cabellos Aparicio, Alberto (2017-04-14)
    Article
    Open Access
    The network functions virtualization paradigm is rapidly gaining interest among Internet service providers. However, the transition to this paradigm on ISP networks comes with a unique set of challenges: legacy equipment ...
  • A multiobjective wavelength routing approach combining network and traffic engineering with energy awareness 

    Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Castiglione, Aniello; Careglio, Davide (2017-12-01)
    Article
    Open Access
    In modern optical networks, infrastructure management is faced with the challenge of using expensive equipment and communication resources as efficiently as possible. This now includes keeping power consumption costs at a ...
  • The computational complexity of QoS measures for orchestrations 

    Gabarró Vallès, Joaquim; Leon Gaixas, Sergio; Serna Iglesias, María José (2017-11-01)
    Article
    Open Access
    We consider Web services defined by orchestrations in the Orc language and two natural quality of services measures, the number of outputs and a discrete version of the first response time. We analyse first those subfamilies ...
  • Routing at large scale: advances and challenges for complex networks 

    Sahhaf, Sahel; Tavernier, Wouter; Papadimitriou, Dimitri; Careglio, Davide; Kumar, Alok; Glacet, Christian; Coudert, David; Nisse, Nicolas; Fàbrega Soler, LLuís; Vila, Pere; Camelo, Miguel; Audenaert, Pieter; Colle, Didier; Demeester, Piet M.A. (2017-07-01)
    Article
    Open Access
    A wide range of social, technological and communication systems can be described as complex networks. Scale-free networks are one of the well known classes of complex networks in which nodes' degrees follow a power-law ...

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