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    • A low overhead tasking model for OpenMP 

      Yu, Chenle; Royuela Alcázar, Sara; Quiñones Moreno, Eduardo (Springer, 2021)
      Text en actes de congrés
      Accés obert
      OpenMP is a parallel programming model widely used on shared-memory systems. Over the years, the OpenMP community tries to extend the OpenMP Specification to adapt it to modern architectures and expand its usage to other ...

    • A low temperature solid state reaction to produce hollow MnxFe3-xO4 nanoparticles as anode for lithium-ion batteries 

      Yu, Xiaoting; Zhang, C.; Luo, Zhishan; Liu, Junshan; Zuo, Yong; Jacas Biendicho, Jordi; Llorca Piqué, Jordi; Arbiol, Jordi; Morante Lleonart, Joan Ramon; Cabot, Andreu (2019-12-01)
      Article
      Accés obert
      Hollow MnxFe3-xO4 nanoparticles (NPs) with an average size of 15¿nm are produced from the solid state reaction of Fe3O4–Mn3O4 heterostructures. These heterostructures are synthesized through the seeded-growth of Mn3O4 ...

    • A low-complexity memoryless model for envelope tracking RF power amplifiers 

      Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; García García, José Ángel; Ruiz Lavin, Maria de las nieves; Marante, Reinel (European Microwave Association (EuMA), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a new kind of behavioral model structure for characterizing static nonlinearities in dynamically supplied RF power amplifiers. The proposed architecture is based on the combination of several basic cells ...

    • A low-complexity method for antenna selection in spatial modulation systems 

      Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013-11-13)
      Article
      Accés restringit per política de l'editorial
      In this Letter, a low-complexity Euclidean distancebased method for antenna subset selection in Spatial Modulation systems is presented. The proposed method avoids the high complexity of both the optimal exhaustive ...

    • A low-complexity, high-performance fetch unit for simultaneous multithreading processors 

      Falcón Samper, Ayose Jesús; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2004)
      Text en actes de congrés
      Accés obert
      Simultaneous multithreading (SMT) is an architectural technique that allows for the parallel execution of several threads simultaneously. Fetch performance has been identified as the most important bottleneck for SMT ...

    • A low-cost and do-it-yourself device for pumping monitoring in deep aquifers 

      Aliagas, Carles; Pérez Foguet, Agustí; Meseguer Pallarès, Roc; Millán Marco, Pere; Molina Clemente, Carlos Maria (2022-11)
      Article
      Accés obert
      Water crises due to climate change, high population growth and increasing demands from industry and agriculture claim for increasing efficiency and universalizing water resources management strategies and techniques. Water ...

    • A Low-Cost Autonomous Vehicles For Coastal Sea Monitoring 

      Roig Broman, D.; Martínez Ledesma, M.; Garau Pujol, Bartolomé; Álvarez Díaz, Alberto; Tintoré Subirana, Joaquín (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-10-01)
      Article
      Accés obert

    • A low-cost experiment for determining raindrop size distribution 

      Mazón Bueso, Jordi; Viñas, Marta (WILEY-BLACKWELL, 2013-01-31)
      Article
      Accés obert
      Precipitation is usually classified as convec- tive or stratiform. Convective precipitation is normally associated with cumulus and cumulonimbus clouds within which a sig- nificant vertical velocity keeps the cloud droplets ...

    • A low-cost multicomputer for teaching environments 

      Aliagas, Carles; García Famoso, Montserrat; Meseguer Pallarès, Roc; Millán Marco, Pere; Molina Clemente, Carlos Maria (2020-08)
      Article
      Accés obert
      We propose a teaching resource that uses Hard Kernel boards to build an MPI server with 256 cores. Although this system has a relatively low performance, the aim is to provide access to hundreds of cores for carrying out ...

    • A low-cost noise measurement device for noise mapping based on mobile sampling 

      Quintero Pérez, Guillermo; Balastegui Manso, Andreu; Romeu Garbí, Jordi (2019-12-01)
      Article
      Accés obert
      For the production of representative noise maps, a large amount of information is necessary, which includes, among others, on-site measurements of environmental noise. Thus, mobile sampling emerges as a possible solution ...

    • A low-cost tracking system for running race applications based on bluetooth low energy technology 

      Pérez Díaz de Cerio, David; Hernandez Solana, Angela; Valdovinos, Antonio; Valenzuela González, José Luis (Multidisciplinary Digital Publishing Institute (MDPI), 2018-03-20)
      Article
      Accés obert
      Timing points used in running races and other competition events are generally based on radio-frequency identification (RFID) technology. Athletes’ times are calculated via passive RFID tags and reader kits. Specifically, ...

    • A Low-Cost Unified Experimental FPGA Board for Cryptography Applications 

      Bartík, Matěj; Buček, Jiří (2016-11-16)
      Text en actes de congrés
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      This paper describes the evaluation of available experimental boards, the comparison of their supported set of experiments and other aspects. The second part of this evaluation is focused on the design process of the ...

    • A low-dissipation convection scheme for the stable discretization of turbulent interfacial flow 

      Schillaci, Eugenio; Jofre Cruanyes, Lluís; Balcázar Arciniega, Néstor; Antepara Zambrano, Óscar; Oliva Llena, Asensio (Elsevier, 2017-08-10)
      Article
      Accés obert
      This paper analyzes a low-dissipation discretization for the resolution of immiscible, incompressible multiphase flow by means of interface-capturing schemes. The discretization is built on a three-dimensional, unstructured ...

    • A low-dissipation finite element scheme for scale resolving simulations of turbulent flows 

      Lehmkuhl Barba, Oriol; Houzeaux, Guillaume; Owen, Herbert; Chrysokentis, Giorgios; Rodríguez Pérez, Ivette María (2019-08-01)
      Article
      Accés obert
      The present work extends the conservative convective scheme proposed by Charnyi et al. (2017) [13], originally formulated for mixed finite elements and tested in laminar flows, to equal order finite elements. A non-incremental ...

    • A low-disturbance diagnostic function integrated in the PV arrays' MPPT algorithm 

      Sera, Dezso; Mathe, L.; Kerekes, Tamas; Teodorescu, Remus; Rodríguez Cortés, Pedro (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper focuses on the estimation of series resistance changes for flat silicone PV panels or arrays during operation, without moving the operating point far away from the Maximum Power Point1. The method is based ...

    • A low-power hardware accelerator for ORB feature extraction in self-driving cars 

      Taranco Serna, Raúl; Arnau Montañés, José María; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
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      Simultaneous Localization And Mapping (SLAM) is a key component for autonomous navigation. SLAM consists of building and creating a map of an unknown environment while keeping track of the exploring agent's location within ...

    • A Low-Power High-Resolution Delta-Sigma ADC IP in 22 nm CMOS Technology for Smart Sensing Applications 

      Deltor Cortés, Eva María (Universitat Politècnica de Catalunya, 2023-09-08)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      The present project comprises the third generation of $\Delta\Sigma$ ADCs developed at the IMB-CNM with the design of a 16-bit 50-kHz $\Delta\Sigma$ modulator circuit as a mixed-signal IP block in the 22-nm 0.8-V FD-SOI ...

    • A low-power IoT device for measuring water table levels and soil moisture to ease increased crop yields 

      López, Emiliano; Vionnet, Carlos; Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge; Contini, Guillermo; Prodolliet, Jorge; Maiztegui, José (2022-09-09)
      Article
      Accés obert
      The simultaneous measurement of soil water content and water table levels is of great agronomic and hydrological interest. Not only does soil moisture represent the water available for plant growth but also water table ...

    • A low-power RF front-end for 2.5 GHz receivers 

      Moreno Boronat, Lidia Ana; Gómez, D; González Jiménez, José Luis; Mateo Peña, Diego; Aragonès Cervera, Xavier; Berenguer, R; Solar, H (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      Text en actes de congrés
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      This paper presents a low power and low cost front end for a direct conversion 2.5 GHz ISM band receiver composed of a 16 kV HBM ESD protected LNA, differential Gilbert-cell mixers, and high-pass filters for DC offset ...

    • A low-power, high-performance speech recognition accelerator 

      Yazdani, Reza; Arnau Montañés, José María; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2019-12-01)
      Article
      Accés obert
      Automatic Speech Recognition (ASR) is becoming increasingly ubiquitous, especially in the mobile segment. Fast and accurate ASR comes at high energy cost, not being affordable for the tiny power-budgeted mobile devices. ...