El grup CBA és un grup de recerca de la UPC i un GRC (2001SGR-00226, 2005SGR-00481, 2009SGR-01140, 2014SGR-1427, 2017SGR-1037). L'àmbit de recerca se centra en les xarxes de computadors i comunicacions abordant les temàtiques: xarxes IP, xarxes òptiques, monitorització de xarxa i anàlisi de tràfic, identitat digital i signatura electrònica, xarxes energèticament eficients i nano-comunicacions, xarxes 5G. El grup CBA forma part del Centre Específic de Recerca CCABA/UPC.

El grupo CBA es un grupo de investigación de la UPC y un GRC (2001SGR-00226, 2005SGR-00481, 2009SGR-01140). El ámbito de investigación se centra en las redes de computadores y comunicaciones abordando las temáticas: redes IP, redes ópticas, monitorización de red y análisis de tráfico, identidad digital y firma electrónica, redes energéticamente eficientes y nano-comunicaciones. El grupo CBA forma parte del Centro Específico de Investigación CCABA / UPC.

The study, design and evaluation of broadband communication networks, broadband Internet and optical networks. Network architectures, communication protocols, MAC protocols, network services, performance and traffic characterisation, traffic monitoring, quality of service, GMPLS networks, OBS, OPS, mobility, anomaly detection, new netwirk architectures, 5G network architecture.

The study, design and evaluation of broadband communication networks, broadband Internet and optical networks. Network architectures, communication protocols, MAC protocols, network services, performance and traffic characterisation, traffic monitoring, quality of service, GMPLS networks, OBS, OPS, mobility, anomaly detection, new netwirk architectures, 5G network architecture.

Recent Submissions

  • Network measurements for web tracking analysis and detection: A tutorial 

    Castell Uroz, Ismael; Solé Pareta, Josep; Barlet Ros, Pere (2020-12)
    Article
    Open Access
    Digital society has developed to a point where it is nearly impossible for a user to know what it is happening in the background when using the Internet. To understand it, it is necessary to perform network measurements ...
  • Demystifying content-blockers: A large-scale study of actual performance gains 

    Castell Uroz, Ismael; Solé Pareta, Josep; Barlet Ros, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    With the evolution of the online advertisement and tracking ecosystem, content-filtering has become the reference tool for improving the security, privacy and browsing experience when surfing the Internet. It is also ...
  • (Position paper) Characterizing the behavior of small producers in smart grids: A data sanity analysis 

    Stefan, Maria; Gutiérrez López, José Manuel; Barlet Ros, Pere; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Olsen, Rasmus L. (Elsevier, 2020)
    Article
    Open Access
    Renewable energy production throughout low-voltage grids has gradually increased in electrical distribution systems, therefore introducing small energy producers - prosumers. This paradigm challenges the traditional ...
  • URL-based web tracking detection using deep learning 

    Castell Uroz, Ismael; Poissonnier, Theo; Manneback, Pierre; Barlet Ros, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    The pervasiveness of online web tracking poses a constant threat to the privacy of Internet users. Millions of users currently employ content-blockers in their web browsers to block tracking resources in real time. Although ...
  • Bringing JSON signatures to ETSI AdES framework: Meet JAdES signatures 

    Cruellas Ibarz, Juan Carlos (Elsevier, 2020-08)
    Article
    Restricted access - publisher's policy
    This paper proposes a set of JSON signed and unsigned attributes which, if incorporated into a JSON signature, will convert it in a digital signature (JAdES) with identical capabilities (for instance, feasibility of ...
  • Spatial partitioning for proactive spectrum fragmentation avoidance in flex-grid/SDM dynamic optical core networks 

    Comellas Colomé, Jaume; Perelló Muntan, Jordi; Solé Pareta, Josep; Junyent Giralt, Gabriel (2020-10)
    Article
    Restricted access - publisher's policy
    Spectrum fragmentation has always been a major issue to overcome toward spectrally efficient Flex-Grid over Single-Mode Fiber dynamic optical networks and continues like so when evolving to Flex-Grid over Spatial Division ...
  • Radiation characteristics of tunable graphennas in the terahertz band 

    Llatser Martí, Ignacio; Kremers, Christian; Chigrin, Dmitry N.; Jornet Montaña, Josep Miquel; Lemme, Max C.; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (2012-12)
    Article
    Open Access
    Graphene-enabled wireless communications constitute a novel paradigm which has been proposed to implement wireless communications among nanosystems. Indeed, graphene-based plasmonic nano-antennas, or graphennas, just a few ...
  • Graphene-based nano-patch antenna for terahertz radiation 

    Llatser Martí, Ignacio; Kremers, Christian; Cabellos Aparicio, Alberto; Jornet Montaña, Josep Miquel; Alarcón Cot, Eduardo José; Chigrin, Dmitry N. (Elsevier, 2012-10)
    Article
    Restricted access - publisher's policy
    The scattering of terahertz radiation on a graphene-based nano-patch antenna is numerically analyzed. The extinction cross section of the nano-antenna supported by silicon and silicon dioxide substrates of different thickness ...
  • Engineer the channel and adapt to it: enabling wireless intra-chip communication 

    Timoneda, Xavier; Abadal Cavallé, Sergi; Franques, Antonio; Manessis, Dionyssios; Zhou, Jin; Torrellas, Josep; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (2020-05-01)
    Article
    Open Access
  • 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 ...

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