Now showing items 1-20 of 522

    • 1er taller "Eficiencia Energética para la Seguridad y Sostenibilidad de Iberoamérica (EFESOS)" 

      Vásquez, Carmen; Yépez, Wilson; Ramírez Pisco, Rodrigo; Osal, William; Doyharzabal, Julio; Sudrià Andreu, Antoni; Sánchez, Itha; Llosas, Yolanda (2009-12-01)
      Article
      Open Access
      Los estudios de las emisiones de los gases de efecto invernadero causados por la producción de la energía eléctrica con fuentes no renovables incrementan el interés por la Eficiencia Energética. Ésta busca establecer ...
    • A contribution to multi-criteria decision making in sustainable energy management based on fuzzy and qualitative reasoning 

      Afsordegan, Arayeh (Universitat Politècnica de Catalunya, 2015-12-21)
      Doctoral thesis
      Open Access
      Energy problems are serious problems caused by limited resources and by human activity such as deforestation, water pollution and various other long-term practices that have environmental impact which produces global warming ...
    • A generator of numerically-tailored and high-throughput accelerators for batched GEMMs 

      Ledoux Pardo, Luis Eduardo; Casas, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Open Access
      We propose a hardware generator of GEMM accelerators. Our generator produces vendor-agnostic HDL describing highly customizable systolic arrays guided by accuracy and energy efficiency goals. The generated arrays have three ...
    • A LoRa-based Framework with applications to Smart Buildings 

      Torres Padín, Marcos (Universitat Politècnica de Catalunya, 2020-03)
      Master thesis
      Open Access
      Covenantee:   Technische Universität Berlin
      Modern communication technologies allow people to access and monitor anything from anywhere using networks like LoRaWAN that is often described as one of the Internet of Things (IoT). For this reason, in this project the ...
    • 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)
      Conference report
      Open Access
      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 metaheuristic-based downlink power allocation for LTE/LTE-A cellular deployments 

      González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lee, Dong Seop (2014-08)
      Article
      Restricted access - publisher's policy
      The explosive growth of cellular networks makes their deployment and maintenance more and more complex, time consuming, and expensive. Self-Organizing Networks have been recognized as a promising way to alleviate this ...
    • A novel multiobjective cell switch-off framework for cellular networks 

      González González, David; Hämäläinen, Jyri; Yanikomeroglu, Halim; García Lozano, Mario; Senarath, Gamini (Institute of Electrical and Electronics Engineers (IEEE), 2016-10-25)
      Article
      Open Access
      Cell switch-off (CSO) is recognized as a promising approach to reduce the energy consumption in the next-generation cellular networks. However, CSO poses serious challenges not only from the resource allocation perspective ...
    • A quality control method for fraud detection on utility customers without an active contract 

      Coma Puig, Bernat; Carmona Vargas, Josep (Association for Computing Machinery (ACM), 2018)
      Conference report
      Open Access
      Fraud detection in energy consumption has proven to be a difficult problem for current techniques. In general, the approaches used in this area are restricted to compute a fraud score for each client based on its behaviour. ...
    • A simple and efficient method to allocate costs and benefits in energy communities 

      Gonzalez Asenjo, David; Izquierdo, Luis R.; Sedano, Javier (OmniaScience, 2023-09)
      Article
      Open Access
      Purpose: Define a simple and efficient method to allocate costs and benefits in energy communities, and characterize some of its key properties. Design/methodology/approach: The approach is theoretical. We define an algorithm ...
    • A traffic aware energy saving scheme for multicarrier HSPA+ 

      Jada, Maliha Urooj; García Lozano, Mario; Hämäläinen, Jyri (Springer, 2015-02-16)
      Article
      Open Access
      In the near future, an increase in cellular network density is expected to be one of the main enablers for the newly introduced challenging capacity goals. This development will lead to an increase in the network energy ...
    • Abisko: Deep codesign of an architecture for spiking neural networks using novel neuromorphic materials 

      Vetter, Jeffrey; Date, Prasanna; Fahim, Farah; Kulkarni, Shruti R.; Maksymovych, Petro; Talin, Alec; González Tallada, Marc; Vanna Iampikul, Pruek; Young, Aaron Reed; Brooks, David (SAGE publishing, 2023-07)
      Article
      Open Access
      The Abisko project aims to develop an energy-efficient spiking neural network (SNN) computing architecture and software system capable of autonomous learning and operation. The SNN architecture explores novel neuromorphic ...
    • Actuacions per a millora d’eficiència energètica en un edifici d’oficines 

      Brufau Torrents, Oriol (Universitat Politècnica de Catalunya, 2020-07-14)
      Bachelor thesis
      Restricted access - author's decision
      Objectiu: La Directiva 2012/27/UE del Parlament Europeu i del Consell, de 25 d’octubre de 2012, relativa a l’eficiència energética, estableix uns criteris que, a partir de 31 de desembre de 2020, seran d’aplicació obligatòria ...
    • Adaptable register file organization for vector processors 

      Ramírez Lazo, Cristóbal; Reggiani, Enrico; Rojas Morales, Carlos; Figueras Bagué, Roger; Villa Vargas, Luis Alfonso; Ramírez Salinas, Marco Antonio; Valero Cortés, Mateo; Unsal, Osman Sabri; Cristal Kestelman, Adrián (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Open Access
      Contemporary Vector Processors (VPs) are de-signed either for short vector lengths, e.g., Fujitsu A64FX with 512-bit ARM SVE vector support, or long vectors, e.g., NEC Aurora Tsubasa with 16Kbits Maximum Vector Length ...
    • Adaptive power shifting for power-constrained heterogeneous systems 

      Ortega Carrasco, Cristobal; Alvarez Martí, Lluc; Buyuktosunoglu, Alper; Bertran Monfort, Ramon; Rosedahl, Todd Jon; Bose, Pradip; Moretó Planas, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2023-03-01)
      Article
      Open Access
      The number and heterogeneity of compute devices, even within a single compute node, has been steadily on the rise. Since all systems must operate under a power cap, the number of discrete devices that can run simultaneously ...
    • Air movement in the ventilated façade: analysis of cases in Barcelona, Spain 

      Balter, Julieta; Pardal March, Cristina; Coch Roura, Helena; Ganem, Carolina; Paricio Ansuátegui, Ignacio (Universidade do Vale do Itajaí, 2017)
      Conference report
      Open Access
      The Ventilated Façade (VF) supposes an improvement compared with a conventional façade –single layerin terms of thermal comfort, through the ventilation of the wall cavity, limited by an inner and an outer layer, usually ...
    • An enegy-efficient FPGA accelerator for convolutional neural networks 

      Delgado Ventosa, Berta (Universitat Politècnica de Catalunya, 2018-10-25)
      Master thesis
      Open Access
      This project focuses on a state-of-the-art DNN specifically build for image clas sification. We develop a new architecture design that will run on an experimental Intel accelerator platform called HARP. We obtain low-power ...
    • An energy efficient vertical handover decision algorithm 

      Pons, Xavier (2015-03-26)
      Conference lecture
      Restricted access - publisher's policy
      As wireless communications evolve towards heterogeneous networks, mobile terminals have been enabled to handover seamlessly from one network to another. At the same time, the continuous increase in the terminal power ...
    • An energy-efficient GeMM-based convolution accelerator with on-the-fly im2col 

      Fornt Mas, Jordi; Fontova Muste, Pau; Caro Roca, Martí; Abella Ferrer, Jaume; Moll Echeto, Francisco de Borja; Altet Sanahujes, Josep; Studer, Christoph (2023-11)
      Article
      Open Access
      Systolic array architectures have recently emerged as successful accelerators for deep convolutional neural network (CNN) inference. Such architectures can be used to efficiently execute general matrix–matrix multiplications ...
    • An energy-oriented optimization algorithm for solving the cell assignment problem in 4G-LTE communication networks 

      Rubio-Loyola, Javier; Gonzalez-Hernandez, Loreto; Díez Fernández, Luis Francisco; Agüero Calvo, Ramón; Serrat Fernández, Juan (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      This paper presents a novel algorithm for solving the cell assignment problem with special emphasis on energy awareness. The algorithm aims at finding the minimum number of base stations (BSs) that have to be turned on to ...
    • Analizador de redes trifásicas 

      Cano Castro, Ivan (Universitat Politècnica de Catalunya, 2020-10-23)
      Bachelor thesis
      Open Access
      Aquest treball final de grau té com a objectiu el disseny i la programació d'un prototip d'analitzador de xarxes elèctriques trifàsiques de tres fils amb neutre, capaç de mesurar paràmetres elèctrics com els corrents i ...