Enviaments recents

  • On the variability-aware design of memristor-based logic circuits 

    Escudero López, Manuel; Vourkas, Ioannis; Rubio Sola, Jose Antonio; Moll Echeto, Francisco de Borja (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Ever since the advent of the first TiO 2 -based memristor and the respective linear model published by Hewlett-Packard Labs, several behavioral models of memristors have been published. Such models capture the fundamental ...
  • Variability-tolerant memristor-based ratioed logic in crossbar array 

    Escudero López, Manuel; Rubio Sola, Jose Antonio; Moll Echeto, Francisco de Borja; Vourkas, Ioannis (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    The advent of the first TiO2-based memristor in 2008 revived the scientific interest both from academia and industry for this de- vice technology, with several emerging applications including that of logic circuits. Several ...
  • Multi-valued logic circuits on graphene quantum point contact devices 

    Rallis, Konstantinos; Sirakoulis, Georgios; Karafyllidis, Ioannis; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Graphene quantum point contacts (G-QPC) combine switching operations with quantized conductance, which can be modulated by top and back gates. Here we use the conductance quantization to design and simulate multi-valued ...
  • Analysis of body bias and RTN-induced frequency shift of low voltage ring oscillators in FDSOI technology 

    Barajas Ojeda, Enrique; Aragonès Cervera, Xavier; Mateo Peña, Diego; Moll Echeto, Francisco de Borja; Rubio Sola, Jose Antonio; Martin Martínez, Javier; Rodríguez Martínez, Rosana; Porti Pujal, Marc; Nafria, M.; Castro López, Rafael; Roca Moreno, Elisenda; Fernandez, Francisco V. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Electronic circuits powered at ultra low voltages (500 mV and below) are desirable for their low energy and power consumption. However, RTN (Random Telegraph Noise)-induced threshold voltage variations become very significant ...
  • Resistive switching behavior seen from the energy point of view 

    Gómez Mir, Jorge Tomás; Abusleme Hoffman, Angel; Vourkas, Ioannis; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    The technology of Resistive Switching (RS) devices (memristors) is continuously maturing on its way towards viable commercial establishment. So far, the change of resistance has been identified as a function of the applied ...
  • Underwater acoustic slant range measurements related to weather and sea state 

    Masmitjà Rusiñol, Ivan; Carandell Widmer, Matias; Bouvet, Pierre-Jean; Aguzzi, Jacopo; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del (Institute of Physics (IOP), 2018)
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    Underwater range measurements are key factor in underwater acoustic positioning, used in Long Base-Line (LBL) or Ultra Short Base-Line (USBL) computing techniques. These measurements are commonly carried out through acoustic ...
  • Towards an integral model-based simulator for autonomous earth observation satellite networks 

    Ruiz De Azúa Ortega, Juan Adrián; Araguz López, Carles; Calveras Augé, Anna M.; Alarcón Cot, Eduardo José; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    During these years, novel Distributed Satellite Systems (DSS) have disrupted traditional space segment paradigms. In particular, Federated Satellite Systems and fractionated spacecraft have explored the benefits of interacting ...
  • Optimized model-based design space exploration of distributed multi-orbit multi-platform Earth observation spacecraft architectures 

    Araguz López, Carles; Llaveria Godoy, David; Lancheros Sepulveda, Estefany Maria; Bou Balust, Elisenda; Camps Carmona, Adriano José; Alarcón Cot, Eduardo José; Lluch, I.; Matevosyan, H.; Golkar, Alessandro; Tonetti, Stefania; Cornara, Stefania; Pierotti, S.; Rodríguez Mondelo, Pedro Manuel; Alvaro Sanchez, A.; Narkiewicz, J. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Satellite architectures where networked, heterogeneous observation nodes capture data in a distributed manner are seen as feasible solutions to address the needs of next-generation Earth observation services (i.e. higher ...
  • Optical power model of a laser bar diode 

    Borràs Cristòfol, Ramon; Río Fernandez, Joaquín del; Oriach, Carles; Juliachs, Jordi (Institute of Physics (IOP), 2018)
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    This article proposes a modelling method for laser diodes optical output power including its dependency on temperature. The device used for this study is a 40 W Monocrom's diode, with 808 nm wavelength emitted light and ...
  • Challenge based education: an approach to innovation through multidisciplinary teams of students using Design Thinking 

    Charosky, Guido; Leveratto, Luciana; Hassi, Lotta; Papageorgiou, K.; Ramos Castro, Juan José; Bragós Bardia, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    This work aims to describe and discuss the benefits and learning outcomes detected along four iterations of a learning experience carried out by three institutions: ESADE Business School, IED Istituto Europeo di Design and ...
  • Terahertz dielectric resonator antenna coupled to graphene plasmonic dipole 

    Hosseininejad, Seyed Ehsan; Neshat, Mohammad; Faraji-Dana, Reza; Abadal Cavallé, Sergi; Lemme, Max; Bolívar, Peter Haring; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    This paper presents an efficient approach for exciting a dielectric resonator antenna (DRA) in the terahertz frequencies by means of a graphene plasmonic dipole. Design and analysis are performed in two steps. First, the ...
  • Textile wearable antenna sensors based on open ring resonators 

    Moradi, Bahareh; Fernández García, Raúl; Gil Galí, Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    In this paper, a wearable antenna sensor based on a textile open ring resonator is presented. The antenna sensor consists of an open ring resonator whose resonance frequency is modified due to the antenna bending impact. ...

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