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

  • Results and achievements of the ALLIANCE Project: New network solutions for 5G and beyond 

    Careglio, Davide; Spadaro, Salvatore; Cabellos Aparicio, Alberto; Lázaro Villa, José Antonio; Barlet Ros, Pere; Gené Bernaus, Joan M.; Perelló Muntan, Jordi; Agraz Bujan, Fernando; Suárez-Varela Maciá, José Rafael; Pagès Raventós, Albert; Paillissé Vilanova, Jordi; Almasan Puscas, Felician Paul; Domingo Pascual, Jordi; Solé Pareta, Josep (Multidisciplinary Digital Publishing Institute, 2021-09-30)
    Article
    Open Access
    Leaving the current 4th generation of mobile communications behind, 5G will represent a disruptive paradigm shift integrating 5G Radio Access Networks (RANs), ultra-high-capacity access/metro/core optical networks, and ...
  • A multicast routing scheme for the Internet: simulation and experimentation in large-scale networks 

    Careglio, Davide; Agraz Bujan, Fernando; Papadimitriou, Dimitri (Multidisciplinary Digital Publishing Institute, 2021-09-17)
    Article
    Open Access
    With the globalisation of the multimedia entertainment industry and the popularity of streaming and content services, multicast routing is (re-)gaining interest as a bandwidth saving technique. In the 1990’s, multicast ...
  • Towards real-time routing optimization with deep reinforcement learning: open challenges 

    Almasan Puscas, Felician Paul; Suárez-Varela Maciá, José Rafael; Wu, Bo; Xiao, Shihan; Barlet Ros, Pere; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    The digital transformation is pushing the existing network technologies towards new horizons, enabling new applications (e.g., vehicular networks). As a result, the networking community has seen a noticeable increase in ...
  • Multi-channel near-field terahertz communications using reprogrammable graphene-based digital metasurface 

    Rouhi, Kasra; Hosseininejad, Seyed Ehsan; Abadal Cavallé, Sergi; Khalily, Mohsen; Tafazolli, Rahim (Institute of Electrical and Electronics Engineers (IEEE), 2021-11-01)
    Article
    Open Access
    Digital metasurfaces have opened unprecedented ways to accomplish novel electromagnetic devices thanks to their simple manipulation of electromagnetic waves. However, the metasurfaces leveraging phase-only or amplitude-only ...
  • Localization in power-constrained terahertz-operating software-defined metamaterials 

    Lemic, Filip; Abadal Cavallé, Sergi; Han, Chong; Marquez-Barja, Johann; Alarcón Cot, Eduardo José; Famaey, Jeroen (2021-12-01)
    Article
    Restricted access - publisher's policy
    Software-Defined Metamaterials (SDMs) show a strong potential for advancing the engineered control of electromagnetic waves. As such, they are envisioned to enable a variety of exciting applications, among others in the ...
  • On the benefits of probabilistic constellation shaping in Flex-Grid/MCF dynamic optical backbone networks 

    Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    In this paper, we propose a novel methodology for estimating the worst-case spectral efficiency (b/s/Hz) of end-to-end paths across a Multi-Core Fiber (MCF)-enabled Flex-Grid optical network, accounting for physical link ...
  • TrackSign: guided Web tracking discovery 

    Castell Uroz, Ismael; Solé Pareta, Josep; Barlet Ros, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    Current web tracking practices pose a constant threat to the privacy of Internet users. As a result, the research community has recently proposed different tools to combat well-known tracking methods. However, the early ...
  • Jellyfish: locality-sensitive subflow sketching 

    Fu, Yongquan; An, Lun; Shen, Siqi; Chen, Kai; Barlet Ros, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    To cope with increasing network rates and massive traffic volumes, sketch-based methods have been extensively studied to trade accuracy for memory scalability and storage cost. However, sketches are sensitive to hash ...
  • Using cloud computing to improve urban traffic management ans optimization system 

    Fouladfar, Erfan; Khayyambashi, Mohammad Reza; Solé Pareta, Josep (2021-04)
    Article
    Open Access
    At the modern society, one of the essential infrastructures is transportation. Performance of transportation systems is important for personal commuting, commerce and economic growth of all countries. Over the years, the ...
  • Fuzzy-Token: An adaptive MAC protocol for wireless-enabled manycores 

    Franques, Antonio; Abadal Cavallé, Sergi; Hassanieh, Haitham; Torrellas, Josep (IEEE, 2021)
    Conference report
    Open Access
    Recent computer architecture trends herald the arrival of manycores with over one hundred cores on a single chip. In this context, traditional on-chip networks do not scale well in latency or energy consumption, leading ...
  • On double full-stack communications-enabled architectures for multi-core quantum computers 

    Rodrigo Muñoz, Santiago; Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Bandic, Medina; van Someren, Hans; García Almudéver, Carmen (2021-09)
    Article
    Open Access
    Despite its tremendous potential, it is still unclear how quantum computing will scale to satisfy the requirements of its most powerful applications. Among other issues, there are hard limits to the number of qubits that ...
  • Architecting more than Moore: wireless plasticity for massive heterogeneous computer architectures (WiPLASH) 

    Klein, Joshua; Levisse, Alexandre; Ansaloni, Giovanni; Atienza Alonso, David; Zapater Sancho, Marina; Dazzi, Martino; Karunaratne, Geethan; Boybat, Irem; Sebastian, Abu; Rossi, Davide; Jain, Akshay; Guirado Liñan, Robert; Taghvaee, Hamidreza; Abadal Cavallé, Sergi (Association for Computing Machinery (ACM), 2021)
    Conference report
    Open Access
    This paper presents the research directions pursued by the WiPLASH European project, pioneering on-chip wireless communications as a disruptive enabler towards next-generation computing systems for artificial intelligence ...

View more