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  • Fast and efficient energy-oriented cell assignment in heterogeneous networks 

    Rubio Loyola, Javier; Aguilar Fuster, Christian; Díez Fernández, Luis Francisco; Agüero Calvo, Ramón; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan (Springer, 2019-06-10)
    Article
    Restricted access - publisher's policy
    The cell assignment problem is combinatorial, with increased complexity when it is tackled considering resource allocation. This paper models joint cell assignment and resource allocation for cellular heterogeneous networks, ...

  • Management and orchestration challenges in network functions virtualization 

    Mijumbi, Rashid; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Latré, Steven; Charalambides, Marinos; Lopez, Diego (2016-01)
    Article
    Open Access
    NFV continues to draw immense attention from researchers in both industry and academia. By decoupling NFs from the physical equipment on which they run, NFV promises to reduce CAPEX and OPEX, make networks more scalable ...

  • Updated taxonomy for the network and service management research field 

    van der Hooft, Jeroen; Claeys, Maxim; Bouten, Niels; Serrat Fernández, Juan (2018-07-01)
    Article
    Open Access
    Network and service management is an established research field within the general area of computer networks. A few years ago, an initial taxonomy, organizing a comprehensive list of terms and topics, was established through ...

  • Generating demand functions for data plans from mobile network operators based on users’ profiles 

    Postigo Boix, Marcos; Melus Moreno, José Luis (2018-01-22)
    Article
    Open Access
    The evaluation of pricing approaches for mobile data services proposed in the literature can rarely be done in practice. Evaluation by simulation is the most common practice. In these proposals demand and utility functions ...

  • A social model based on customers’ profiles for analyzing the churning process in the mobile market of data plans 

    Postigo Boix, Marcos; Melus Moreno, José Luis (2018-01-09)
    Article
    Restricted access - publisher's policy
    Mobile Network Operators (MNOs) present wireless services of the same kind in identical zones, clients select the service taking into account any element they consider relevant. Churning hits on the design of the network ...

  • Semantically enhanced mapping algorithm for affinity-constrained service function chain requests 

    Bouten, Niels; Mijumbi, Rashid; Serrat Fernández, Juan; Famaey, Jeroen; Latré, Steven; De Turck, Filip (2017-06-01)
    Article
    Open Access
    Network function virtualization (NFV) and software defined networking (SDN) have been proposed to increase the cost-efficiency, flexibility, and innovation in network service provisioning. This is achieved by leveraging ...

  • Providing reliable services over wireless networks using a low overhead random linear coding scheme 

    Garrido Ortíz, Pablo; Gómez, David; Lanza, Jorge; Serrat Fernández, Juan; Agüero Calvo, Ramón (2016-04-30)
    Article
    Open Access
    In this work, we propose a novel intra-flow network coding solution, which is based on the combination of a low overhead Random Linear Coding (RLC) scheme and UDP, to offer a reliable communication service. In the initial ...

  • Centrality metrics and line-graph to measure the importance of links in online social networks 

    Ortiz Gaona, Raúl; Postigo Boix, Marcos; Melus Moreno, José Luis (2016-12)
    Article
    Open Access
    Importance of nodes and tie strength are necessary elements to characterize and analyze networks, as well as to study the processes that occur in their interior. We believe that it is also necessary to know the importance ...

  • An approach to the cooperative management of multitechnology networks 

    Díaz, R; Serrat Fernández, Juan; Berdekas, K; Karayannis, F (1999-05)
    Article
    Open Access
    This article presents a TMN-compliant X interface, the so-called Xcoop interface, as a fundamental component of an operations system developed to cope with the challenges of multidomain, multitechnology networks. Defined ...

  • A hybrid-arq system for hf channels based on codeword partitioning 

    Serrat Fernández, Juan; Dalmau, J Royo (1996-04)
    Article
    Open Access
    A technique by which the codewords of an error-correcting code are partitioned to obtain an error-detecting code with half the original length is described. It is intended to be used in a hybrid-ARQ system for achieving ...

  • Resource slicing in virtual wireless networks: a survey 

    Richart, Matias; Baliosian De Lazzari, Javier Ernesto; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis (2016-08-02)
    Article
    Open Access
    New architectural and design approaches for radio access networks have appeared with the introduction of network virtualization in the wireless domain. One of these approaches splits the wireless network infrastructure ...

  • A model for the mobile market based on customers profile to analyze the churning process 

    Flores Méndez, Mario Rogelio; Postigo Boix, Marcos; Melus Moreno, José Luis; Stiller, Burkhard (Springer, 2016-08-04)
    Article
    Open Access
    In the current telecommunications market that is reaching high saturation levels, mobile network operators (MNOs) try to position themselves among customers through aggressive marketing campaigns and offers. In this ...

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