Exploració per tema "Synchronization"

Ara es mostren els items 49-68 de 100

    • Identification of Obstructive Sleep Apnea patients from tracheal breath sound analysis during wakefulness in polysomnographic studies 

      Solà Soler, Jordi; Fiz Fernández, José Antonio; Torres Cebrián, Abel; Jané Campos, Raimon (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Obstructive Sleep Apnea (OSA) is currently diagnosed by a full nocturnal polysomnography (PSG), a very expensive and time-consuming method. In previous studies we were able to distinguish patients with OSA through formant ...

    • Implementing static synchronous sensor fields using NiMo 

      Clérici Martínez, Silvia Inés; Duch Brown, Amalia; Zoltan Torres, Ana Cristina (2009-05)
      Report de recerca
      Accés obert
      In this work we present some implementations of a Static Synchronous Sensor Field (SSSF), a static and synchronous model for sensor networks in which a finite set of sensing devices are geographically distributed and can ...

    • Improving the integration of task nesting and dependencies in OpenMP 

      Pérez, Josep M.; Beltran Querol, Vicenç; Labarta Mancho, Jesús José; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      The tasking model of OpenMP 4.0 supports both nesting and the definition of dependences between sibling tasks. A natural way to parallelize many codes with tasks is to first taskify the high-level functions and then to ...

    • Inferring the connectivity of coupled oscillators and anticipating their transition to synchrony through lag-time analysis 

      Leyva Callejas, Inmaculada; Masoller Alonso, Cristina (2020-04-13)
      Article
      Accés obert
      The synchronization phenomenon is ubiquitous in nature. In ensembles ofcoupled oscillators, explosive synchronization is a particular type of transition tophase synchrony that is first-order as the coupling strength ...

    • InnoTest Weblit : sincronització web-mòbil a temps real 

      Andrés Alcón, Alvaro (Universitat Politècnica de Catalunya, 2022-06-30)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Inverter parallelization for an islanded microgrid using the Hopf oscillator controller approach with self-synchronization capabilities 

      Li, Mingshen; Guan, Yajuan; Matas Alcalá, José; Guerrero, Josep M.; Vasquez Quintero, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2021-11-01)
      Article
      Accés obert
      Nonlinear dynamical systems such as weakly coupled oscillators are an interesting approach to be adopted for the regulation of power inverters inside microgrids. Aiming at the synchronization and load sharing in islanded ...

    • Joint symbol and chip synchronization for a burst-mode-communication superregenerative MSK receiver 

      López Riera, Alexis; Águila López, Francisco del; Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Giralt Mas, Ma. Rosa; Moncunill Geniz, Francesc Xavier (2017-01-05)
      Article
      Accés obert
      In this paper we describe a superregenerative (SR) MSK receiver able to operate in a burst-mode framework where synchronization is required for each packet. The receiver is based on an SR oscillator which provides samples ...

    • La sincronización en las redes de telecomunicaciones y su dependencia con los sistemas globales de navegación por satélite (GNSS) 

      Serrano Amenós, Elena (Universitat Politècnica de Catalunya, 2023-05-26)
      Treball Final de Grau
      Accés obert
      This Final Degree Thesis aims to describe the solutions currently implemented by telecommunications operators to synchronize their networks and the importance of keeping them well synchronized to guarantee their good ...

    • M-adhesive transformation systems with nested application conditions. Part 1: parallelism, concurrency and amalgamation 

      Ehrig, Hartmut; Golas, Ulrike; Habel, Annegret; Lambers, Leen; Orejas Valdés, Fernando (2014-08-01)
      Article
      Accés obert
      Nested application conditions generalise the well-known negative application conditions and are important for several application domains. In this paper, we present Local Church-Rosser, Parallelism, Concurrency and ...

    • Maximum likelihood estimation of position in GNSS 

      Closas Gómez, Pau; Fernández Prades, Carlos; Fernández Rubio, Juan Antonio (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-05)
      Article
      Accés obert
      In this letter, we obtain the Maximum Likelihood Estimator of position in the framework of Global Navigation Satellite Systems. This theoretical result is the basis of a completely different approach to the positioning ...

    • Obtaining synchronization-free code with maximum parallelism 

      Gavaldà Mestre, Ricard; Ayguadé Parra, Eduard; Torres Viñals, Jordi (1996-03)
      Report de recerca
      Accés obert
      This paper addresses the problem of extracting the maximum synchronization-free parallelism that may be present in loops. In order to reduce communication and synchronization overheads, some parallelizing compilers ...

    • On sharing and synchronizing groupware calendars under android platform 

      Xhafa Xhafa, Fatos; Palou, Daniel; Caballé Llobet, Santiago; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      Sharing a calendar of tasks and events is a cornerstone in collaborative group work. Indeed, the individual work of the members of the group as well as the group work as a whole need the calendar to guide their activity ...

    • OpenMP taskloop dependences 

      Maroñas Bravo, Marcos; Teruel García, Xavier; Beltran, Vincenç (Springer, 2021)
      Text en actes de congrés
      Accés obert
      Exascale systems will contain multicore/manycore processors with high core count in each node. Therefore, using a model that relaxes the synchronization, such as data-flow, is crucial to adequately exploit the potential ...

    • Parallel game programming 

      Bach Balcells, Jordi (Universitat Politècnica de Catalunya, 2022-10-10)
      Treball Final de Grau
      Accés obert
      On this TFG I wanted to find out if parallel programing is and will be used to develop and optimize games. We have this impression because of the fact that nowadays processors improve its power not raising the processing ...

    • Parallelization of BiCGMisR method with cache-cache elements preconditioning 

      Iwasato, K.; Fujino, S. (CIMNE, 2015)
      Comunicació de congrés
      Accés obert
      We consider Krylov subspace methods for solving a linear system of equations on parallel computer with distributed memory. For speed-up of parallel computation, it is necessary to shorten the communication time among ...

    • PARSECSs: Evaluating the impact of task parallelism in the PARSEC benchmark suite 

      Chasapis, Dimitrios; Casas, Marc; Moretó Planas, Miquel; Vidal Ortiz, Raul; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Valero Cortés, Mateo (2015-12-01)
      Article
      Accés obert
      In this work, we show how parallel applications can be implemented efficiently using task parallelism. We also evaluate the benefits of such parallel paradigm with respect to other approaches. We use the PARSEC benchmark ...

    • Phase-Coherence Transitions and Communication in the Gamma Range between Delay-Coupled Neuronal Populations 

      Barardi, Alessandro; Sancristóbal Alonso, Belén de; García Ojalvo, Jordi (2014-07-01)
      Article
      Accés obert
      Synchronization between neuronal populations plays an important role in information transmission between brain areas. In particular, collective oscillations emerging from the synchronized activity of thousands of neurons ...

    • Phase-responsiveness transmission in a network of quadratic integrate-and-fire neurons 

      Arqué Pérez, Ferran (Universitat Politècnica de Catalunya, 2020-01)
      Treball Final de Grau
      Accés obert
      In the study of the dynamics of neuronal networks, it is interesting to see how the interaction between neurons can elicit different behaviours in each individual one. Moreover, this can lead to the population exhibiting ...

    • Precision timing in TDMA - based Wireless Sensor Network through IEEE 1588 standard 

      Toma, Daniel; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Gomáriz Castro, Spartacus; Carreras Pons, Normandino (2013)
      Text en actes de congrés
      Accés obert
      This paper proposes an energy-efficient time synchronization scheme for Wireless Sensor Networks(WSNs) based on the IEEE 1588 standard. Although a number of methods have been studied for time synchronization of WSNs, some ...

    • Quantifying the synchronization of the spikes emitted by coupled lasers 

      Tiana Alsina, Jordi; Masoller Alonso, Cristina (Institute of Physics (IOP), 2023-07-01)
      Article
      Accés obert
      Synchronization phenomena is ubiquitous in nature, and in spite of having been studied for decades, it still attracts a lot of attention as is still challenging to detect and quantify, directly from the analysis of noisy ...