Now showing items 1-20 of 524

    • 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 breakdown of energy consumption in an underground station 

      Casals Casanova, Miquel; Gangolells Solanellas, Marta; Forcada Matheu, Núria; Macarulla Martí, Marcel; Giretti, Alberto (2014-08-01)
      Article
      Open Access
      Underground transportation systems are big energy consumers and have significant impacts on energy consumption at a regional scale. The literature has revealed that the energy consumption for non-traction purposes may be ...
    • A decision support tool for urban energy policy: an urban morphological approach to figure out the energy performance of existing developments 

      Verones, Sara (Department of Civil Engineering of the University of Coimbra and e-GEO, Research Center in Geography and Regional Planning of the Faculty of Social Sciences and Humanities of the Nova University of Lisbon, 2011-10)
      Conference report
      Open Access
    • 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 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 multiobjective wavelength routing approach combining network and traffic engineering with energy awareness 

      Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Castiglione, Aniello; Careglio, Davide (2017-12-01)
      Article
      Open Access
      In modern optical networks, infrastructure management is faced with the challenge of using expensive equipment and communication resources as efficiently as possible. This now includes keeping power consumption costs at a ...
    • 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 service-constrained positioning strategy for an autonomous fleet of airborne base stations 

      José Torra, Ferran; Pascual Iserte, Antonio; Vidal Manzano, José (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10)
      Article
      Open Access
      This paper proposes a positioning strategy for a fleet of unmanned aerial vehicles (UAVs) airlifting wireless base stations driven by communication constraints. First, two schedulers that model the distribution of resources ...
    • 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 ...
    • Achieving energy efficiency: an energy-aware approach in SDN 

      Fernández Fernández, Adriana; Cervelló Pastor, Cristina; Ochoa Aday, Leonardo (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Achieving energy efficiency has recently become an essential aim of networking research due to the ever increasing power consumption and CO2 emissions generated by large data networks. For this problem, the emerging paradigm ...
    • 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 ...
    • Adaptación de la infraestrucura de iluminación pública a la tecnología LED de la urbanización Costamar (Cabrera de Mar, Catalunya). 

      Sales García, Rubén (Universitat Politècnica de Catalunya, 2012-07)
      Master thesis (pre-Bologna period)
      Open Access
      El vigente proyecto consiste en la adaptación en tecnología LED del sistema actual de iluminación pública de la urbanización Costamar, situada en el municipio de Cabrera de Mar, Cataluña. La instalación actual tiene ...
    • Agua y energía en California 

      Wolff, Gary (Fundación para el Fomento de la Ingeniería del Agua, 2010-09)
      Article
      Open Access
      Este trabajo estima el uso de energía ligado al agua en California en el año 2000. Se presenta un resumen de un informe más detallado que se puede conseguir solicitándolo al autor. Los resultados del estudio se basan en ...
    • Air movement in the ventilated façade: analysis of cases in Barcelona, Spain 

      Balter, Julieta; Pardal March, Cristina; Coch Roura, Helena; Ganem, Carolina; Paricio Ansuategui, 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-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 ...
    • Analysis and optimization of energy usage in Supermarkets 

      Lloret Font, Eduard (Universitat Politècnica de Catalunya, 2017)
      Master thesis
      Open Access
      The thesis performed in this research is focused on a particular type of energy system, energy systems in supermarkets. As supermarkets are high-energy using buildings, their energy system optimization has been investigated ...