Now showing items 1-20 of 27

    • A large signal nonlinear MODFET model from small signal S-parameters 

      O'Callaghan Castellà, Juan Manuel; Beyer, Jb (1989)
      Conference report
      Open Access
      A general technique for predicting the MODFET large signal performance has been developed. The technique is based entirely on experimental data (small signal S-parameters at different biased points) and therefore is ...
    • A machine learning enabled network planning tool 

      Moysen Cortes, Jessica; Giupponi, Lorenza; Mangues Bafalluy, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      In the coming years, planning future mobile networks will be infinitely more complex than nowadays. Future networks are expected to present multiple Network Management (NM) challenges to operators, such as managing network ...
    • An alternative approach to implement a recursive interpolation 

      Lagunas Hernandez, Miguel A.; Mariño Acebal, José Bernardo; Nadeu Camprubí, Climent; Figueiras Vidal, Aníbal R. (Institute of Electrical and Electronics Engineers (IEEE), 1981)
      Conference report
      Open Access
    • Analyzing the multilevel structure of the European airport network 

      Lordan González, Oriol; Sallán Leyes, José María (2017-04)
      Article
      Open Access
      The multilayered structure of the European airport network (EAN), composed of connections and flights between European cities, is analyzed through the k-core decomposition of the connections network. This decomposition ...
    • Análisis de redes organizacionales de salud como metodología de investigación 

      Leyton, Carolina; Gil Martín, Joan Carles (2019-06)
      Article
      Open Access
      En las últimas décadas se ha observado un creciente interés por el estudio de los sistemas productivos en conjunto, sobre las organizaciones como unidades particulares, en especial los análisis de redes organizacionales y ...
    • Cascades tolerance of scale-free networks with attack cost 

      Hong, Chen; Yin, Nai-Yu; He, Ning; Lordan González, Oriol; Sallán Leyes, José María (2017)
      Article
      Open Access
      Network robustness against cascades is a major topic in the fields of complex networks. In this paper, we propose an attack-cost-based cascading failure model, where the attack cost of nodes is positively related to its ...
    • Cascading failures in airport networks 

      Cumelles, Joel; Lordan González, Oriol; Sallán Leyes, José María (2021-05)
      Article
      Restricted access - publisher's policy
      Cascading failure phenomena can appear in complex networks that distribute flows of information, people or goods, when flow going through nodes or edges exceeds the capacity of network nodes or edges. Cascading failure ...
    • Cascading failures with local load redistribution in interdependent Watts-Strogatz networks 

      Hong, Chen; Zhang, Jun; Du, Wen-Bo; Sallán Leyes, José María; Lordan González, Oriol (2016-11)
      Article
      Open Access
      Cascading failures of loads in isolated networks have been studied extensively over the last decade. Since 2010, such research has extended to interdependent networks. In this paper, we study cascading failures with local ...
    • Construction and analysis of political networks over time via government and me 

      Garcia-Olano, Diego (Universitat Politècnica de Catalunya, 2015-06-30)
      Master thesis
      Open Access
      In this work we present a tool that generates real world political networks from user provided lists of politicians and news sites. We use as input a dataset of current Texas politicians and 6 news sites to illustrate the ...
    • Core and critical cities of global region airport networks 

      Lordan González, Oriol; Sallán Leyes, José María (2019-01-01)
      Article
      Open Access
      Air transport is one of the key infrastructures of today’s global economy. Connections between airports define airport networks, where nodes are cities served by airports, connected by edges if there is at least one direct ...
    • Criterios de diseño de una instalación microrred 

      Dubceac, Rodion (Universitat Politècnica de Catalunya, 2017-01)
      Bachelor thesis
      Open Access
      Covenantee:   AKO
      La elaboración de este proyecto consiste en dar una visión general de las microrredes híbridas y en criterios de diseño de un algoritmo matemático enfocado a “Energy Management System”. Se ha introducido el estado actual ...
    • Dynamic measures for transportation networks 

      Lordan González, Oriol; Sallán Leyes, José María (Public Library of Science (PLOS), 2020-12-03)
      Article
      Open Access
      Most complex network analyses of transportation systems use simplified static representations obtained from existing connections in a time horizon. In static representations, travel times, waiting times and compatibility ...
    • Efficient calculation of the robustness measure R for complex networks 

      Hong, Chen; He, Ning; Lordan González, Oriol; Liang, Bo-Yuan; Yin, Nai-Yu (2017-07-15)
      Article
      Open Access
      In a recent work, Schneider et al. (2011) proposed a new measure R for network robustness, where the value of R is calculated within the entire process of malicious node attacks. In this paper, we present an approach to ...
    • Exact calculation of network robustness 

      Lordan González, Oriol; Albareda Sambola, Maria (2019-03)
      Article
      Open Access
      Finding the most critical nodes regarding network connectivity has attracted the attention of many researchers in infrastructure networks, power grids, transportation networks and physics in complex networks. Static ...
    • Generació de mapes de cobertura de tecnologies sense fils 

      Porta Abad, Josep M. (Universitat Politècnica de Catalunya, 2010)
      Master thesis (pre-Bologna period)
      Open Access
      L'objecte d'aquest projecte és la confecció de mapes de cobertura de xarxes sense fils de les tecnologies 802.11. Per aconseguir-ho es fa servir una aplicació desenvolupada en Java que adquireix les mesures de posició (GPS) ...
    • Mesh network as a competitive advantage for European LCCs: An alternative topology to hub-and-spoke for selling online connections 

      Klophaus, Richard; Merkert, Rico; Lordan González, Oriol (2021-06)
      Article
      Restricted access - publisher's policy
      We introduce mesh networks as an alternative topology to hub-and-spoke networks for low-cost carriers (LCCs) to sell online connections, i.e., indirect connections requiring a transfer between direct connections within a ...
    • Monitorització i gestió remota de la xarxa de CRC Corporació Sanitària 

      de Juan Ferrando, Víctor (Universitat Politècnica de Catalunya, 2007-02)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
      Covenantee:   CRC Corporació Sanitària
    • Non-linear optimization for multi-path source routing in OBS networks 

      Klinkowski, Miroslaw; Pioro, Michal; Careglio, Davide; Marciniak, Marian; Solé Pareta, Josep (2007-12)
      Article
      Open Access
      Optical Burst Switching (OBS) architectures without buffering capabilities are sensitive to burst losses. A proper routing strategy may help to reduce such congestion. In this letter we present a novel approach for OBS ...
    • On the potential of ensemble regression techniques for future mobile network planning 

      Moysen Cortes, Jessica; Giupponi, Lorenza; Mangues Bafalluy, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Planning of current and future mobile networks is becoming increasingly complex due to the heterogeneity of deployments, which feature not only macrocells, but also an underlying layer of small cells whose deployment is ...
    • Optimal power control law for equal-rate DS-CDMA networks governed by a successive soft interference cancellation scheme 

      Molina Oliveras, Francesc; Sala Álvarez, José; Villares Piera, Nemesio Javier; Rey Micolau, Francesc (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      This paper studies the throughput maximization of a dense multiple access network of low-rate subscribers that share the same practical Forward Error Correction (FEC) code and modulation scheme, and transmit to a central ...