Ara es mostren els items 56-75 de 100

    • 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 ...
    • Research proposal: design, development and evaluation of adaptative and interactive solutions for high-quality viewport-aware VR360 video processing and delivery 

      Fernández Dasí, Miguel; Montagud, Mario; Paradells Aspas, Josep (Association for Computing Machinery (ACM), 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper contains the research proposal of Miguel Fernández Dasí that was presented at the MMSys 2022 doctoral symposium.1 The production and consumption of multimedia content is continuously increasing, and this ...
    • Role of frequency mismatch in neuronal communication through coherence 

      Sancristóbal Alonso, Belén de; Vicente, Raul; García Ojalvo, Jordi (2014-02-12)
      Article
      Accés restringit per política de l'editorial
      Neuronal gamma oscillations have been described in local field potentials of different brain regions of multiple species. Gamma oscillations are thought to reflect rhythmic synaptic activity organized by inhibitory ...
    • SafeDM: a hardware diversity monitor for redundant execution on non-lockstepped cores 

      Bas Jalón, Francisco; Benedicte Illescas, Pedro; Alcaide Portet, Sergi; Cabo Pitarch, Guillem; Mazzocchetti, Fabio; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      Computing systems in the safety domain, such as those in avionics or space, require specific safety measures related to the criticality of the deployment. A problem these systems face is that of transient failures in ...
    • SDR implementation of a testbed for synchronization of coherent distributed remote sensing systems 

      Merlano-Duncan, Juan Carlos; Querol Borràs, Jorge; Martínez Marrero, Liz; Krivochiza, Jevgenij; Camps Carmona, Adriano José; Chatzinotas, Simeon; Ottersten, Bjorn (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      Remote Sensing from distributed platforms has become attractive for the community in the last years. Phase, frequency, and time synchronization are a crucial requirement for many such applications as multi-static remote ...
    • Self-powered high-rate wireless sensor network for underground high voltage power lines 

      Toma, Daniel; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio (IEEE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The use of Wireless Sensor Networks (WSNs) are a promising technology that can enhance various aspects of today’s electric power systems, including generation, delivery, and utilization, making them a vital component ...
    • Signal-timing offset compensation in dense TDD OFDM-based networks 

      Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      Orthogonal Frequency Division Multiplexing (OFDM)-based networks rely on time synchronization to obtain their best performance. Time synchronization with neighboring nodes can be satisfied by increasing the cyclic prefix ...
    • Speaker location with a network of ESP32 devices 

      Monferrer Duran, Rubén (Universitat Politècnica de Catalunya, 2020-01)
      Treball Final de Grau
      Accés obert
      This project proposes a voice activated home automation system with location functionalities. The system consists of microcontrollers distributed around the home with a microphone that perform a voice activity detection ...