Now showing items 120899-120918 of 176329

    • P O R T F O L I O : selected works 

      Torras Guitart, Carla (Universitat Politècnica de Catalunya, 2020-01)
      Bachelor thesis
      Open Access
    • P Systems Computing the Period of Irreducible Markov Chains 

      Cardona Roca, Mónica; Colomer Cugat, M. Angeles; Riscos Núñez, Agustín; Rius Font, Miquel (2009-05-30)
      Article
      Open Access
      It is well known that any irreducible and aperiodic Markov chain has exactly one stationary distribution, and for any arbitrary initial distribution, the sequence of distributions at time n converges to the stationary ...
    • p-adic families of d-th Shintani liftings 

      Casazza, Daniele; Vera Piquero, Carlos de (2019-12-11)
      External research report
      Open Access
      In this note we give a detailed construction of a Lambda-adic d-th Shintani lifting. We derive a p-adic version of Kohnen's formula relating Fourier coefficients of half-integral weight modular forms and special values of ...
    • P-insesgadez asintótica y robustez en la estimación lineal con modelos de superpoblaciones: un criterio de selección 

      Casas Sánchez, José M.; Guijarro Garvi, Marta (Institut d'Estadística de Catalunya, 1994)
      Article
      Open Access
      Se analiza la estimación lineal de la media poblacional desde el punto de vista de los modelos de superpoblaciones con parámetros desconocidos y correlación no nula. La posible existencia de errores de especificación en ...
    • P-Means, a parallel clustering algorithm for a heterogeneous multi-processor environment 

      Foina, Aislan G.; Planas Carbonell, Judit; Badia Sala, Rosa Maria; Ramirez-Fernandez, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2011)
      Conference report
      Restricted access - publisher's policy
      G-means is a data mining clustering algorithm based on k-means, used to find the number of Gaussian distributions and their centers inside a multi-dimensional dataset. This paper presents the performance gain obtained from ...
    • p-Median problems in a fuzzy environment 

      Kutangila-Mayoya, David; Verdegay, José Luis (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2005)
      Article
      Open Access
      In this paper a formulation for the fuzzy p-median model in a fuzzy environment is presented. The model allows to find optimal locations of p facilities and their related cost when data related to the node demands and ...
    • P-MR: Backpressure Routing for the Heterogeneous Multi-Radio Backhaul of Small Cells 

      Baranda, Jorge; Núñez-Martínez, Jóse; Mangues-Bafalluy, Josep (Institute of Electrical and Electronics Engineers, 2015-10)
      Conference lecture
      Open Access
      Dense small cell (SC) deployments are expected to help handling the explosive growth of mobile data usage. However, the backhaul of these deployments will face several challenges where point-to-point ...
    • p-probabilistic k-anonymous microaggregation for the anonymization of surveys with uncertain participation 

      Rebollo Monedero, David; Forné Muñoz, Jorge; Soriano Ibáñez, Miguel; Puiggalí Allepuz, Jordi (2016-12-13)
      Article
      Open Access
      We develop a probabilistic variant of k-anonymous microaggregation which we term p-probabilistic resorting to a statistical model of respondent participation in order to aggregate quasi-identifiers in such a manner that ...
    • P-process nucleosynthesis in detonating white dwarfs in the light of multidimensional hydrodynamical models 

      Goriely, S; García Senz, Domingo; Bravo Guil, Eduardo; José Pont, Jordi (2005-12)
      Article
      Open Access
      The p-process nucleosynthesis in He-accreting white dwarfs with sub-Chandrasekhar mass is revisited in the light of multi-dimensional hydrodynamical simulations. Post-processing calculations are performed on a sample of ...
    • P-slice based efficient speculative multithreading 

      Ranjan, Rakesh; Marcuello Pascual, Pedro; Latorre Salinas, Fernando; González Colás, Antonio María (IEEE Computer Society Publications, 2009-12-16)
      Conference report
      Open Access
      Microprocessor industry has recently shifted towards multi-core to take advantage of the ever increasing number of transistors provided by the new technologies. Unfortunately, the multi-core approach does not allow single ...
    • P-Spice para teoría de circuitos 

      Miguel López, José María (Edicions UPC, 1999)
      Book
      Restricted access to the UPC academic community
      Sobre PSPICE se han escrito muchos y buenos libros.Pero creo sinceramente que al lector que se acerca al tema por primera vez con uno de ellos le puede suceder lo mismo que al ecologista novel:Que los árboles le impidan ...
    • P-type c-Si solar cells based on rear side laser processing of Al 2O 3/SiC x stacks 

      Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; López Rodríguez, Gema; Colina Brito, Mónica Alejandra; Orpella García, Alberto; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2012-11)
      Article
      Restricted access - publisher's policy
      In this work, we further investigate a new strategy to passivate and contact the rear side of p-type c-Si solar cells based on the laser processing of aluminum oxide (Al2O3)/amorphous silicon carbide (SiCx) stacks before ...
    • P2P architecture for scientific collaboration. 

      Mitre Silva, José; Navarro Moldes, Leandro (IEEE, 2004)
      Conference report
      Open Access
      P2P networks are often associated with file exchange applications among private users. However, their features make them suitable for other uses. In this paper we present a P2P architecture for scientific collaboration ...
    • P2P data replication and trustworthiness for a JXTA-Overlay P2P system using fuzzy logic 

      Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Biberaj, A.; Shurdi, O. (2013-01)
      Article
      Restricted access - publisher's policy
      P2P systems are very important for future distributed systems and applications. In such systems, the computational burden of the system can be distributed to peer nodes of the system. Therefore, in decentralized systems ...
    • P2P media delivery using scalable video coding 

      Carmona Tobella, Ismael Joan (Universitat Politècnica de Catalunya / École Polytechnique Fédérale de Lausanne, 2012-09-07)
      Master thesis
      Open Access
      [ANGLÈS] The consumptions of all forms of Internet video are constantly growing. For example, the collective sum of videos would be accounted for 86% of the global traffic by 2016. As the bandwidth requirement rises, the ...
    • P2P overlay over Simctl 

      Sicart López, Gerard Carles (Universitat Politècnica de Catalunya, 2016-10)
      Master thesis
      Open Access
      P2P systems became an interesting area since early 2000. Researchers conducted a large amount of research in some challenging areas and, to check their experiments, several implementations and simulators were created. Over ...
    • P3R-3 design and characterization of air coupled ultrasonic transducers based on MUMPs 

      Martínez Graullera, Óscar Fernando; Martín Arguedas, Carlos Julián; Gómez-Ullate Alvear, Luis; Domínguez Pumar, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Conference report
      Open Access
      This paper deals with the design and characterization of several capacitive micromachined ultrasonic transducer (cMUT) cells for the future design of an air-coupled transducer for non destructive testing (NDT). Each design ...
    • P4ON: a 5G-aware P4-based PON architecture 

      Haastrup, Adebanjo; Rincón Rivera, David; Khalili, Hamzeh; Sallent Ribes, Sebastián (2018)
      Conference report
      Restricted access - publisher's policy
      5G promises to deliver higher rates with lower latency and fixed-mobile network convergence. Passive Optical Networks (PON) have emerged as a viable option for 5G access and backhaul networks due to their cost effectiveness ...
    • PaaS-IaaS inter-layer adaptation in an energy-aware cloud environment 

      Djemame, Karim; Bosch, Raimon; Kavanagh, Richard; Alvarez, Pol; Ejarque, Jorge; Guitart Fernández, Jordi; Blasi, Lorenzo (Institute of Electrical and Electronics Engineers (IEEE), 2017-06)
      Article
      Open Access
      Cloud computing providers resort to a variety of techniques to improve energy consumption at each level of the cloud computing stack. Most of these techniques consider resource-level energy optimization at IaaS layer. This ...
    • PAAT: programa de ayuda al arquitecto técnico 

      Escudero de Frutos, Marc; Garrido Lucero, Ana (Universitat Politècnica de Catalunya, 2005)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      P.A.A.T es un programa informático destinado a la figura del Arquitecto Técnico. Quizás por este motivo la base del programa es que, para crearlo, no ha bastado con saber que faenas desarrolla un Arquitecto Técnico, sino ...