Enviaments recents

  • On the quality of service enhancement in variable bit rate networks 

    Hesselbach Serra, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 1998-04)
    Article
    Accés obert
    The transmission of multimedia contents through broadband networks is constrained by a certain Quality of Service (QoS) that must be guaranteed. Textual contents need few network resources and no real time constraints are ...
  • A distance-weighted dynamic bandwidth allocation algorithm for improved performance in long-reach passive optical networks for next generation networks 

    Haastrup, Adebanjo; Zehri, Mohammad Habib; Rincón Rivera, David; Piney da Silva, José Ramón; Bazzi, Ali (2023-08-11)
    Article
    Accés obert
    In recent years, there has been an increasing trend towards extending the coverage of passive optical networks (PONs) over large geographical areas. Long-reach PONs (LRPONs) are capable of extending the distance covered ...
  • Machine learning requirements for energy-efficient virtual network embedding 

    Hesselbach Serra, Xavier; Escobar Pérez, David (2023-05-31)
    Article
    Accés obert
    Network virtualization is a technology proven to be a key enabling a family of strategies in different targets, such as energy efficiency, economic revenue, network usage, adaptability or failure protection. Network ...
  • Static placement and dynamic assignment of SDN controllers in LEO satellite networks 

    Guo, Jianming; Yang, Lei; Rincón Rivera, David; Sallent Ribes, Sebastián; Chen, Quan; Liu, Xianfeng (2022-06-21)
    Article
    Accés obert
    Software-defined networking (SDN) logically separates the control and data planes, thus opening the way to more flexible configurations and management of low-Earth orbit (LEO) satellite networks. Since one or, more generally, ...
  • Dynamic UPF placement and chaining reconfiguration in 5G networks 

    Leyva Pupo, Irian; Cervelló Pastor, Cristina; Anagnostopoulos, Christos; Pezaros, Dimitrios P. (2022-10-09)
    Article
    Accés obert
    Network function virtualization (NFV) and multi-access edge computing (MEC) have become two crucial pillars in developing 5G and beyond networks. NFV promises cost-saving and fast revenue generation through dynamic ...
  • Machine learning models for traffic classification in electromagnetic nano-networks 

    Galal Mahmoud Ibrahim, Akram; Hesselbach Serra, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2022-04-13)
    Article
    Accés obert
    The number of nano-sensors connected to wireless electromagnetic nano-network generates different traffic volumes that have increased dramatically, enabling various applications of the Internet of nano-things. Nano-network ...
  • SDN-based gateway architecture for electromagnetic nano-networks 

    Galal Mahmoud Ibrahim, Akram; Hesselbach Serra, Xavier; Tavernier, Wouter; Colle, Didier (Elsevier, 2022-02-15)
    Article
    Accés obert
    Electromagnetic nano-communication has increasing attention in recent years. Several developments have been achieved in the fabrication, communication and management of various nano-network devices serving potential ...
  • A reinforcement learning approach for Virtual Network Function Chaining and sharing in softwarized networks 

    Kibalya, Godfrey Mirondo; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Zhang, Peiying (2022-05-17)
    Article
    Accés obert
    Cognizant of the ease with which softwarized functions can be dynamically scaled according to real time resource requirements, and the fact that multiple services can have common VNFs in their chaining, this paper tackles ...
  • Deep learning and 5G and beyond for child drowning prevention in swimming pools 

    Cepeda Pacheco, Juan Carlos; Domingo Aladrén, Mari Carmen (2022-10-10)
    Article
    Accés obert
    Drowning is a major health issue worldwide. The World Health Organization’s global report on drowning states that the highest rates of drowning deaths occur among children aged 1–4 years, followed by children aged 5–9 ...
  • Multi-party holomeetings: toward a new era of low-cost volumetric holographic meetings in virtual reality 

    Fernández Langa, Sergi; Montagud Climent, Mario; Cernigliaro, Gianluca; Rincón Rivera, David (Institute of Electrical and Electronics Engineers (IEEE), 2022-08-09)
    Article
    Accés obert
    Fueled by advances in multi-party communications, increasingly mature immersive technologies being adopted, and the COVID-19 pandemic, a new wave of social virtual reality (VR) platforms have emerged to support socialization, ...
  • Low complexity nano-networks routing scenarios and strategies 

    Almeida Amazonas, José Roberto de; Hesselbach Serra, Xavier; Ferreira Giozza, William (2021-06)
    Article
    Accés obert
    One of the big challenges in nano-networks is the capacity to route packets using simple strategies, in inhospitable and stimulating environments. The strict physical limitations coming from the nano-devices are constraining ...
  • Toward hyper-realistic and interactive social VR experiences in live TV scenarios 

    Fernández Langa, Sergi; Montagud, Mario; Cernigliaro, Gianluca; Rincón Rivera, David (2022-03)
    Article
    Accés obert
    Social Virtual Reality (VR) allows multiple distributed users getting together in shared virtual environments to socially interact and/or collaborate. This article explores the applicability and potential of Social VR in ...

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