Now showing items 21-40 of 86

    • Comprehensive Evaluation of Supply Voltage Underscaling in FPGA on-Chip Memories 

      Salami, Behzad; Unsal, Osman S.; Cristal Kestelman, Adrián (IEEE, 2018-12-13)
      Conference lecture
      Open Access
      In this work, we evaluate aggressive undervolting, i.e., voltage scaling below the nominal level to reduce the energy consumption of Field Programmable Gate Arrays (FPGAs). Usually, voltage guardbands are added by chip ...
    • Considerations in using OpenCL on GPUs and FPGAs for throughput-oriented genomics workloads 

      Cadenelli, Nicola; Jaksic, Zoran; Polo Bardés, Jordà; Carrera Pérez, David (Elsevier, 2019-05)
      Article
      Open Access
      The recent upsurge in the available amount of health data and the advances in next-generation sequencing are setting the ground for the long-awaited precision medicine. To process this deluge of data, bioinformatics workloads ...
    • Contribution to conducted EMI reduction in multiconverter topology 

      Mon González, Juan; González Díez, David; Gago Barrio, Javier; Balcells Sendra, Josep; Fernández García, Raúl; Gil Galí, Ignacio (2009-11)
      Conference report
      Open Access
      This paper contributes to the conducted EMI reduction generated by switched power converters operating in multiconverter arrangement. The EMI reduction is achieved by means of the combination of two techniques: interleaving ...
    • Cooperative communication to minimize the outage probability in a hard real-time scenario 

      Cuenca Gil, David (Universitat Politècnica de Catalunya, 2012-01-06)
      Bachelor thesis
      Restricted access - author's decision
      Cooperative communication is one of the most recent techniques to improve the performance in wireless networks, in terms of increasing the throughput or improving the reliability. It consists in using some of the nodes ...
    • Demonstrating reduced-voltage FPGA-based neural network acceleration for power-efficiency 

      Onural, Erhan Baturay; Yuksel, Ismail Emir; Salami, Behzad (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference lecture
      Open Access
      This demo aims to demonstrate undervolting below the nominal level set by the vendor for off-the-shelf FPGAs running Deep Neural Networks (DNNs), to achieve power-efficiency. FPGAs are becoming popular [1-4], thanks to ...
    • Desarrollo de un sistema de medida ultrasónico para monitorizar y controlar el proceso de fermentación maloláctica en vino tinto 

      Triviño Ros, Francisca (Universitat Politècnica de Catalunya, 2016-10)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
    • Design and implementation of a low-cost FPGA-Based bioimpedance measurement system 

      González Gutiérrez, Miguel (Universitat Politècnica de Catalunya, 2014-10-24)
      Master thesis
      Open Access
      Currently, many impedance measurement systems have been developed. This project details the design, implementation and characterization of a FPGA-based bioimpedance measurement system, whose goal is obtaining good performance ...
    • Design and implementation of an out of order execution engine of floating point arithmetic operations 

      Ramírez Lazo, Cristóbal (Universitat Politècnica de Catalunya, 2016-02-04)
      Master thesis
      Open Access
      Covenantee:   Instituto Politécnico Nacional. Centro de Investigación en Computación
      In this thesis, work is undertaken towards the design in hardware description languages and implementation in FPGA of an out of order execution engine of floating point arithmetic operations. This thesis work, is part of ...
    • Diseño de un linealizador adaptativo y analógico para amplificadores de potencia 

      Bertran Albertí, Eduardo; Zozaya, A; Montoro López, Gabriel; Berenguer Sau, Jordi (Congrega, 2003)
      Conference report
      Open Access
    • Disseny d'una eina de diagnòstic CAN basada en FPGA 

      Galindo Hurtado, Carlos (Universitat Politècnica de Catalunya, 2017-07-10)
      Master thesis
      Open Access
      L’objectiu d’aquest projecte és dissenyar i implementar un sistema de comunicació CAN (Controller Area Network) de baix cost sobre una plataforma FPGA complint al màxim amb la normativa ISO 11898. La metodologia empleada ...
    • Entorno Didáctico para Sistemas Digitales de Instrumentación y Control 

      Ramos Lara, Rafael Ramón; López García, Mariano; Canto Navarro, Enrique Fernando (2009)
      Conference lecture
      Restricted access - author's decision
      En este trabajo se presenta la experiencia didáctica desarrollada por los profesores de la Universidad Politécnica de Cataluña y la Universidad Rovira i Virgili con relación a los dispositivos FPGA (Field Programmable ...
    • Evaluación e implementación de algoritmos de análisis de la marcha sobre dispositivos configurables 

      Galindo Guarch, Francisco Javier (Universitat Politècnica de Catalunya, 2015-09-07)
      Master thesis
      Open Access
      El proyecto “Evaluación E Implementación De Algoritmos De Análisis De La Marcha Sobre Dispositivos Configurables” aborda la implementación de algoritmos destinados a la detección de los pasos que se producen en la marcha, ...
    • Evaluating built-in ECC of FPGA on-chip memories for the mitigation of undervolting faults 

      Salami, Behzad; Unsal, Osman Sabri; Cristal Kestelman, Adrián (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      Voltage underscaling below the nominal level is an effective solution for improving energy efficiency in digital circuits, e.g., Field Programmable Gate Arrays (FPGAs). However, further undervolting below a safe voltage ...
    • Exact and heuristic allocation of multi-kernel applications to multi-FPGA platforms 

      Shan, Junnan; Casu, Mario R.; Cortadella, Jordi; Lavagno, Luciano; Lazarescu, Mihai T.
      Conference report
      Open Access
      FPGA-based accelerators demonstrated high energy efficiency compared to GPUs and CPUs. However, single FPGA designs may not achieve sufficient task parallelism. In this work, we optimize the mapping of high-performance ...
    • Exceeding conservative limits: A consolidated analysis on modern hardware margins 

      Papadimitriou, George; Chatzidimitriou, Athanansios; Gizopoulos, Dimitris; Reddi, Vijay Janapa; Leng, Jingwen; Salami, Behzad; Unsal, Osman Sabri; Cristal Kestelman, Adrián (2020-06)
      Article
      Open Access
      Modern large-scale computing systems (data centers, supercomputers, cloud and edge setups and high-end cyber-physical systems) employ heterogeneous architectures that consist of multicore CPUs, general-purpose many-core ...
    • Fast self-reconfigurable embedded system on Spartan-3 

      Camós Andreu, Carles; Fons, Mariano; Fons, Francesc; López García, Mariano; Ramos Lara, Rafael Ramón (2013-02)
      Article
      Open Access
      Many image-processing algorithms require several stages to be processed that cannot be resolved by embedded microprocessors in a reasonable time, due to their high-computational cost. A set of dedicated coprocessors can ...
    • Fault Characterization Through FPGA Undervolting 

      Salami, Behzad; Unsal, Osman S.; Cristal Kestelman, Adrián (IEEE, 2018-12-06)
      Conference lecture
      Open Access
      The power and energy efficiency of Field Programmable Gate Arrays (FPGAs) are estimated to be up to 20X less than Application Specific Integrated Circuits (ASICs). What is needed to close this gap is aggressive power/energy ...
    • Field conjugation adaptive arrays in free-space coherent laser communications 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-11-01)
      Article
      Open Access
      We analyze the performance of adaptive field conjugation array receivers in coherent laser communications through the turbulent atmosphere. We consider coherent fiber arrays consisting of densely packed multiple ...
    • First Delay Doppler Maps obtained with the Microwave Interferometric Reflectometer (MIR) 

      Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Alonso Arroyo, Alberto; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      The use of Global Navigation Satellite System (GNSS) signals for mesoscale altimetry was first proposed in [1]. Since then, many experiments and a couple of space missions have been carried out to validate the concept in ...
    • Flexible biometric online speaker-verification system implemented on FPGA using vector floating-point units 

      Cantó Navarro, Enrique; López García, Mariano; Ramos Lara, Rafael Ramón; Sánchez Reíllo, Raúl (2014-12-01)
      Article
      Open Access
      This paper presents the implementation of a speaker-verification system on field programmable gate array. The algorithm is executed by software over an embedded system that includes a MicroBlaze microprocessor connected ...