Ara es mostren els items 1-17 de 17

    • A hybrid load-balancing and energy-aware RWA algorithm for telecommunication networks 

      Ricciardi, Sergio; Sembroiz Ausejo, David; Palmieri, Francesco; Santos Boada, Germán; Perelló Muntan, Jordi; Careglio, Davide (2015-06-25)
      Article
      Accés obert
      In the last years, the power consumption of telecommunication networks has attracted the attention of both researchers and field experts in order to contain the associated energy bills and reduce their ecological impact. ...
    • An elastic software architecture for extreme-scale big data analytics 

      Serrano Garcia, Maria Aston; Marín, César A.; Queralt Calafat, Anna; Cordeiro, Cristovao; González Hierro, Marco; Pinho, Luis Miguel; Quiñones Moreno, Eduardo (Springer, 2022)
      Capítol de llibre
      Accés obert
      This chapter describes a software architecture for processing big-data analytics considering the complete compute continuum, from the edge to the cloud. The new generation of smart systems requires processing a vast amount ...
    • Assessment of advanced natural ventilation space cooling potential across southern European coastal region 

      Pesic, Nikola; Roset Calzada, Jaime; Muros Alcojor, Adrián (2018-09)
      Article
      Accés obert
      Analyzing the Köppen–Geiger climate classification and available climate data for the southern European Mediterranean coast, eight reference geolocations were selected for this analysis: the cities of Valencia, Barcelona, ...
    • Cost effective node deployment strategy for energy-balanced and delay-efficient data collection in wireless sensor networks 

      Doudou, Messaoud; Djenouri, Djamel; Barceló Ordinas, José María; Badache, Nadjib (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      The real-world node deployment aspect is investigated, while considering cost minimization for resolving the energy hole around the sink, which represents a serious problem in typical sensor networks with uniform distribution. ...
    • Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks 

      Doudou, Messaoud; Djenouri, Diamel; Barceló Ordinas, José María; Badache, Nadjib (2016-02-01)
      Article
      Accés obert
      This paper presents an asynchronous cascading wake-up MAC protocol for heterogeneous traffic gathering in low-power wireless sensor networks. It jointly considers energy/delay optimization and switches between two modes, ...
    • Dispersión del comportamiento energético residencial; revisión de viviendas en el centro-sur de Chile 

      García Alvarado, Rodrigo; Herrera Ojeda, Rodrigo; Soto Muñoz, Jaime (Centre de Política del Sòl i Valoracions - Universitat Politècnica de Catalunya, 2013-10-24)
      Article
      Accés obert
      La necesidad de reducir los consumos de energía residencial requiere conocer cabalmente las condiciones habitacionales. Este artículo analiza viviendas en la zona Centro-Sur de Chile detectando una dispersión espacial de ...
    • DPCF-M: A medium access control protocol for dense machine-to-machine area networks with dynamic gateways 

      Vázquez Gallego, Francisco; Alonso Zárate, Jesús; Balboteo, Iván; Alonso Zárate, Luis Gonzaga (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Machine-to-Machine (M2M) area networks must provide connectivity between either an M2M application server or an M2M gateway and a large number of M2M devices. In this paper, we consider a densely populated M2M area network. ...
    • Energy efficiency of elastic frequency grids in multilayer IP/MPLS-over-flexgrid networks 

      Ricciardi, Sergio; Palmieri, Francesco; Castiglione, Aniello; Careglio, Davide (2015-10)
      Article
      Accés obert
      Flexgrid Optical Networks provide higher spectrum efficiency and flexibility in comparison to traditional wavelength switched optical networks (WSON) due to the finer granularity in managing communication channels at the ...
    • Energy-Efficient rate scheduling and power allocation for wireless energy harvesting nodes 

      Gregori Casas, Maria (Universitat Politècnica de Catalunya, 2011-07-28)
      Projecte Final de Màster Oficial
      Accés obert
      English: Energy harvesting is increasingly gaining importance as a means to charge battery powered devices such as sensor nodes. Traditional rate scheduling and power allocation strategies for wireless nodes are no longer ...
    • Learning sustainability by developing a solar dryer for microalgae retrieval 

      Malheiro, Benedita; Ribeiro, Cristina Castro; Silva, Manuel Fernando; Caetano, Nidia Sá; Ferreira, Paulo; Guedes, Pedro (OmniaScience, 2015-12)
      Article
      Accés obert
      The development of nations depends on energy consumption, which is generally based on fossil fuels. This dependency produces irreversible and dramatic effects on the environment, e.g. large greenhouse gas emissions, which ...
    • Main memory in HPC: do we need more or could we live with less? 

      Živanovič, Darko; Radojković, Petar; Ayguadé Parra, Eduard (Barcelona Supercomputing Center, 2017-05-04)
      Text en actes de congrés
      Accés obert
      This study analyzes the memory capacity requirements of important HPC benchmarks and applications. We find that the High Performance Conjugate Gradients benchmark could be an important success story for 3D-stacked memories ...
    • MATLAB® modeling of a microgrid: towards a vision based on entropy balance 

      Khan, Ameer Abdullah; Martínez García, Herminio; Cuadras Tomàs, Àngel (2023-07-01)
      Article
      Accés obert
      A microgrid is defined as the link of consumer loads and decentralized energy assets with the ability to control the entire system as a whole. The modeling of an electromagnetic microgrid is discussed in this work to analyze ...
    • Reducing redundancy of real time computer graphics in mobile systems 

      De Lucas, Enrique (Universitat Politècnica de Catalunya, 2018-04-20)
      Tesi
      Accés obert
      The goal of this thesis is to propose novel and effective techniques to eliminate redundant computations that waste energy and are performed in real-time computer graphics applications, with special focus on mobile GPU ...
    • Seamless optimization of the GEMM kernel for task-based programming models 

      Lorenzon, Arthur F.; Marques, Sandro M. V. N.; Navarro Muñoz, Antoni; Beltran Querol, Vicenç (Association for Computing Machinery (ACM), 2022)
      Text en actes de congrés
      Accés obert
      The general matrix-matrix multiplication (GEMM) kernel is a fundamental building block of many scientific applications. Many libraries such as Intel MKL and BLIS provide highly optimized sequential and parallel versions ...
    • Statistical analysis and comparison of 2T and 3T1D e-DRAM minimum energy operation 

      Rana, Manish; Canal Corretger, Ramon; Amat Bertran, Esteve; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      Bio-medical wearable devices restricted to their small-capacity embedded-battery require energy-efficiency of the highest order. However, minimum-energy point (MEP) at sub-threshold voltages is unattainable with SRAM memory, ...
    • Two examples of approximate arithmetic to reduce hardware complexity and power consumption 

      Fornt Mas, Jordi; Jin, Leixin; Etxezarreta, Imanol; Fontova, Pau; Altet Sanahujes, Josep; Calomarde Palomino, Antonio; Morancho Llena, Enrique; Moll Echeto, Francisco de Borja; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Comunicació de congrés
      Accés obert
      As the end of Moore's Law approaches, electronic system designers must find ways to keep up with the ever increasing computational demands of the modern era. Some computationally intensive applications, such as multimedia ...
    • Visibility rendering order: Improving energy efficiency on mobile GPUs through frame coherence 

      Lucas Casamayor, Enrique de; Marcuello Pascual, Pedro; Parcerisa Bundó, Joan Manuel; González Colás, Antonio María (2019-02-01)
      Article
      Accés obert
      During real-time graphics rendering, objects are processed by the GPU in the order they are submitted by the CPU, and occluded surfaces are often processed even though they will end up not being part of the final image, ...