Now showing items 1-20 of 67

  • A dynamic pricing algorithm for a network of virtual resources 

    Naudts, Bram; Flores Méndez, Mario Rogelio; Mijumbi, Rashid; Verbrugge, Sofie; Serrat Fernández, Juan; Colle, Didier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
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    A service chain is a combination of network services (e.g. network address translation (NAT), a firewall, etc.) that are interconnected to support an application (e.g. video-on-demand). Building a service chain requires a ...
  • A Flexible IP Active Network Architecture 

    Galis, Alex; Serrat Fernández, Juan (Springer, 2000)
    Conference report
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    This paper presents the main concepts of the IST Project FAIN “Future Active IP Networks” [10], a three-year collaborative research project, whose main task is to develop and validate an open, flexible, programmable and ...
  • A flexible protocol communications approach for a supervisory system 

    Valle Alarcón, Rafael; Serrat Fernández, Juan (Institute for Communication Technology Management (CTM), 1989)
    Conference report
    Open Access
    This paper deals with the communication protocol intended to control up to 1016 devices of a new supervisory system. It has been conceived in two complementary phases. The first one (Cycle-A) is intended to inform the ...
  • 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 ...
  • Análisis de las prestaciones de un esquema de codificación lineal aleatoria sobre redes inalámbricas 

    Garrido, Pablo; Gómez, David; Lanza, Jorge; Agüero Calvo, Ramón; Serrat Fernández, Juan (2015)
    Conference report
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    Este trabajo presenta un novedoso esquema de Network coding intra-flujo, que une un esquema de codificación aleatoria (Random Linear Combination, RLC) con el protocolo UDP. Esta combinación ofrece un servicio fiable, que ...
  • 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 ...
  • An energy-oriented optimization algorithm for solving the cell assignment problem in 4G-LTE communication networks 

    Rubio-Loyola, Javier; Gonzalez-Hernandez, Loreto; Díez Fernández, Luis Francisco; Agüero Calvo, Ramón; Serrat Fernández, Juan (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    This paper presents a novel algorithm for solving the cell assignment problem with special emphasis on energy awareness. The algorithm aims at finding the minimum number of base stations (BSs) that have to be turned on to ...
  • An in-band frequency agility modem imlemented with a DSP device 

    Dalmau, J; Delgado, J; Serrat Fernández, Juan; Valle Alarcón, Rafael (Institute of Electrical and Electronics Engineers (IEEE), 1989)
    Conference report
    Open Access
    The authors present a modem with in-band frequency agility that has been implemented with the TMS 32010 signal processor. A strategy based on embedded real-time channel estimation (RTCE) has been adopted to manage the ...
  • An intelligent two-agent self-configuration approach for radio resource management 

    Collados Zamora, Kevin; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan; Hu, Zheng; Xu, Ke (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
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    In this paper we propose the use of a two-agent learning scheme for the management of radio resources on cellular access networks. The management is materialized by the implementation of a self-configuration system governing ...
  • A path generation approach to embedding of virtual networks 

    Mijumbi, Rashid; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Boutaba, Raouf (2015-07-21)
    Article
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    As the virtualization of networks continues to attract attention from both industry and academia, the virtual network embedding (VNE) problem remains a focus of researchers. This paper proposes a one-shot, unsplittable ...
  • A price based load balancing scheme for multi-operator wireless access networks 

    Choque, Johnny; Agüero, Ramon; Serrat Fernández, Juan; Muñoz, Luis (Springer, 2012)
    Conference report
    Open Access
    We study a load balancing strategy, based on the price offered by the base stations to the end-users who are willing to establish a connection. The proposed scheme is compared with a pure load balancing procedure, in a ...
  • A Real time simulation model for Lognormal Fading channels 

    Delgado Penin, José A.; Serrat Fernández, Juan (1991)
    Conference report
    Open Access
    In this paper we present a mathematical model for the simulation of lognormal fading channels. A modeling technique and its validation by computer simulation are described with special emphasis on the aspects related to ...
  • A service-centric orchestration protocol for self-organizing autonomic management systems 

    Rubio Loyola, Javier; Mérida-Campos, Carlos; Serrat Fernández, Juan; Fernandes Macedo, Daniel; Davy, Steven; Movahedi, Zeinab; Pujolle, Guy (2011-11-01)
    Article
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    This article presents a service-centric orchestration protocol for self-interested autonomic management systems that supports the coalition formation process in largescale collaborative and competitive environments. It ...
  • A system approach on power distribution supervisory control catalog 

    Delgado Penin, José A.; Serrat Fernández, Juan (Institute of Electrical and Electronics Engineers (IEEE), 1982)
    Conference report
    Open Access
    The electrical energy distribution networks need remote control systems that are centralised and integrated as far as the functions they can develop are concerned. The need for a thinking unit at the line head for managing ...
  • A two-dimensional architecture for end-to-end resource management in virtual network environments 

    Wang, Ning; Zhang, Yi; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Guo, Tao; Hu, Zheng; Zhang, Ping (2012-09)
    Article
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    In recent years, various network virtualization techniques have been proposed for flexibly supporting heterogeneous services over virtual network platforms. However, systematic views on how virtual network resources (VNRs) ...
  • Autonomic resource management in virtual network 

    Mijumbi, Rashid; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan (2012)
    Conference report
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    Virtualization enables the building of multiple virtual networks over a shared substrate. One of the challenges to virtualisation is efficient resource allocation. This problem has been found to be NP hard. Therefore, most ...
  • A viewpoint of the network management paradigm for future Internet networks 

    Rubio Loyola, Javier; Serrat Fernández, Juan; Astorga Rivera, José Antonio; Fischer, Andreas; Berl, Andreas; de Meer, Hermann; Koumoutsos, Giannis (2009)
    Conference report
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    This paper presents a viewpoint of the management for the Future Internet. For this description we consider the architectural model developed by the EU IST Autonomic Internet – AUTOI – consortium for the management ...
  • Business-driven management of differentiated services 

    Rubio Loyola, Javier; Serrat Fernández, Juan; Charalambides, Marinos; Aib, Issam; Pavlou, George; Boutaba, Raouf (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference report
    Open Access
    Several intra- and inter-domain quality of service (QoS) provisioning mechanisms for IP networks have been researched and developed using Differentiated Services (DiffServ) technology. However, the incremental efforts ...
  • Business-driven policy optimization for service management 

    Rubio-Loyola, Javier; Toscano-Pulido, Gregorio; Charalambides, Marinos; Magaña-Aguilar, Marisol; Serrat Fernández, Juan; Pavlou, George; Galeana Zapien, Hiram (2015)
    Article
    Open Access
    The performance of services offered by network operators has a direct impact on its reputation, on its revenue due to new customer subscriptions, and also on penalties that can apply when services are not provided to an ...
  • Challenges to support edge-as-a-service 

    Davy, Steven; Famaey, Jeroen; Serrat Fernández, Juan; Gorricho Moreno, Juan Luis; Miron, Avi; Dramitinos, Manos; Neves, Pedro Miguel; Latré, Steven; Goshen, Ezer (2014-01-16)
    Article
    Restricted access - publisher's policy
    A new era in telecommunications is emerging. Virtualized networking functions and resources will offer network operators a way to shift the balance of expenditure from capital to operational, opening up networks to new and ...