Envíos recientes

  • Characterization of radio propagation channel in urban vehicle to infrastructure environments to support WSNs 

    Granda, Fausto; Azpilicueta Fernández de las Heras, Leyre; Vargas Rosales, César; López Iturri, Peio; Aguirre Gallego, Erik; Astrain Escola, José Javier; Villandangos Alonso, Jesús; Falcone Lanas, Francisco Javier (MDPI, 2016)   Congreso / Biltzarra
    Vehicular ad hoc Networks (VANETs) enable vehicles to communicate with each other as well as with roadside units (RSUs). Although there is a significant research effort in radio channel modelling focused in vehicle to ...
  • Analysis of bluetooth-based wireless sensor networks performance in hospital environments 

    López Iturri, Peio; Led Ramos, Santiago; Aguirre Gallego, Erik; Azpilicueta Fernández de las Heras, Leyre; Serrano Arriezu, Luis Javier; Falcone Lanas, Francisco Javier (MDPI, 2016)   Congreso / Biltzarra
    In this work, a method to analyze the performance of Bluetooth-based Wireless Sensor Networks (WSN) deployed within hospital environments is presented. Due to the complexity that this kind of scenarios exhibit in terms of ...
  • Implementation and analysis of a wireless sensor network-based pet location monitoring system for domestic scenarios 

    Aguirre Gallego, Erik; López Iturri, Peio; Azpilicueta Fernández de las Heras, Leyre; Astrain Escola, José Javier; Villadangos Alonso, Jesús; Santesteban, Daniel; Falcone Lanas, Francisco Javier (MDPI, 2016)   Congreso / Biltzarra
    The flexibility of new age wireless networks and the variety of sensors to measure a high number of variables, lead to new scenarios where anything can be monitored by small electronic devices, thereby implementing Wireless ...
  • Ubiquitous connected train based on train-to-ground and intra-wagon communications capable of providing on trip customized digital services for passengers 

    Salaberria, Itziar; Perallos Ruiz, Asier; Azpilicueta Fernández de las Heras, Leyre; Falcone Lanas, Francisco Javier; Carballedo, Roberto; Angulo Martínez, Ignacio; Elejoste Larrucea, Pilar; Bahillo, Alfonso; Astrain Escola,José Javier; Villadangos Alonso, Jesús (MDPI, 2014)   Congreso / Biltzarra
    During the last years, the application of different wireless technologies has been explored in order to enable Internet connectivity from vehicles. In addition, the widespread adoption of smartphones by citizens represents ...
  • An easy to deploy street light control system based on wireless communication and LED technology 

    Elejoste Larrucea, Pilar; Angulo Martínez, Ignacio; Perallos Ruiz, Asier; Chertudi Ozamiz, Aitor; García Zuazola, Ignacio Julio; Moreno, Asier; Azpilicueta Fernández de las Heras, Leyre; Astrain Escola, José Javier; Falcone Lanas, Francisco Javier; Villadangos Alonso, Jesús (MDPI, 2013)   Congreso / Biltzarra
    This paper presents an intelligent streetlight management system based on LED lamps, designed to facilitate its deployment in existing facilities. The proposed approach, which is based on wireless communication technologies, ...
  • Etched and nanocoated SMS fiber sensor for detection of salinity concentration 

    Cardona Maya, Y.; Villar Fernández, Ignacio del; Socorro Leránoz, Abián Bentor; Corres Sanz, Jesús María; Arregui San Martín, Francisco Javier; Botero Cadavid, J. F. (MDPI, 2017)   Congreso / Biltzarra
    An optical fibre refractometer has been developed by etching and deposition of a thin film of indium tin oxide (ITO) on a single-mode-multimode-single-mode (SMS) fibre structure. The interference between modes in this ...
  • Detection of ethanol in human breath using optical fiber long period grating coated with metal-organic frameworks 

    Acha Morrás, Nerea de; Hromadka, Jiri; Tokay, Begum; Correia, Ricardo; Elosúa Aguado, César; Matías Maestro, Ignacio; Arregui San Martín, Francisco Javier; Morgan, Stephen P.; Korposh, Sergiy (MDPI, 2017)   Congreso / Biltzarra
    An optical fiber sensor for ethanol detection in exhaled breath has been developed. It has been fabricated by functionalizing a Long Period Grating with a metal-organic framework, ZIF-8. The sensor’s response was tested ...
  • Title enhancement of the sensitivity of a volatile organic compounds MOF-sensor by means of its structure 

    López Torres, Diego; López Aldaba, Aitor; Elosúa Aguado, César; Auguste, Jean L.; Jamier, Rapahel; Roy, Philippe; López-Amo Sáinz, Manuel; Arregui San Martín, Francisco Javier (MDPI, 2017)   Congreso / Biltzarra
    In this paper, we experimentally compare several core structures of Microstructured Optical Fibers (MOFs) for low-finesse Fabry-Pérot (FP) sensors. These sensors are designed for Volatile Organic Compounds (VOCs) measurements. ...
  • Monitoring the etching process in LPFGs towards development of highly sensitive sensors 

    Villar Fernández, Ignacio del; Cruz, José Luis; Socorro Leránoz, Abián Bentor; Díaz Lucas, Silvia; Corres Sanz, Jesús María; Arregui San Martín, Francisco Javier; Matías Maestro, Ignacio (MDPI, 2017)   Congreso / Biltzarra
    In this work, the monitoring of the etching process up to a diameter of 30 µm of two LPFG structures has been compared, one of them had initially 125 µm, whereas the second one had 80 µm. By tracking the wavelength shift ...
  • Comparative study of the damage attained with different specimens by FEM 

    Fuertes Bonel, Juan Pablo; Luri Irigoyen, Rodrigo; Luis Pérez, Carmelo; Salcedo Pérez, Daniel; León Iriarte, Javier; Puertas Arbizu, Iñaki (Elsevier, 2015)   Congreso / Biltzarra
    This present research work deals with the analysis of the design of different specimen geometries so that by finite volume simulations, the appearance of cracks may be predicted in the case of forging processes. To this ...
  • Design and optimization of the dies for the isothermal forging of a cam 

    Salcedo Pérez, Daniel; Luis Pérez, Carmelo; Luri Irigoyen, Rodrigo; León Iriarte, Javier; Puertas Arbizu, Iñaki; Fuertes Bonel, Juan Pablo (Elsevier, 2015)   Congreso / Biltzarra
    In the present study, the design of the dies required for the isothermal forging of a cam is analysed by finite volume method. Specifically, cams are of great importance in automotive industry, where a lower weight and ...
  • High-order PLL design with constant phase margin 

    Ugarte Gil, Mikel; Carlosena García, Alfonso (IEEE, 2010)   Congreso / Biltzarra
    In this paper we describe a novel procedure to design high-type high-order Phase Locked Loops (PLLs) from lower order prototypes, preserving a prescribed Phase Margin (PM). The method builds on a model recently proposed ...
  • Sculpting metals for anomalous transmission phenomena, complex waves and negative refractive metamaterials: underlying physics and applications 

    Navarro Cía, Miguel (2011)   Congreso / Biltzarra
    In this talk, the potential of controlling the electromagnetic propagation by periodically-textured surfaces is reviewed. It is shown that backward-wave- and slow-wave-propagation, superluminal, effective negative ...
  • Mejora de antenas metalo-dieléctricas en la banda de frecuencias GSM-UMTS mediante elementos en transmisión extraordinaria 

    Illescas, Jesús; Estévez, Aritz; Falcone Lanas, Francisco Javier; Marcotegui, José Antonio (2009)   Congreso / Biltzarra
    In this work a dual band GSM/UMTS antenna is proposed. The antenna is based on a stacked planar structure, where the combination of collimation by Enhanced Transmission and the use of parasitic director elements is ...
  • Implementacion de línea de ε negativa en tecnología stripline 

    Illescas, Jesús; Jarauta Ayensa, Eduardo; Estévez, Aritz; Marcotegui, José Antonio; Falcone Lanas, Francisco Javier (2009)   Congreso / Biltzarra
    In this work, a negative-ε equivalent response medium is proponed in stripline technology. To achieve band rejection behaviour, Complementary Split Ring Resonators (CSRR) are placed in the central conductor strip of ...
  • Evalución de dosimetría de campos electromagnéticos en el entorno interior doméstico 

    Esparza Alfaro, Fermín; Carranza, Noemí; Torres Landívar, Víctor; Falcone Lanas, Francisco Javier; Ramos González, Victoria (2009)   Congreso / Biltzarra
    In this work, the evaluation of radiofrequency exposure in a domestic environment is analyzed. 3D raytracing simulation results are compared with dossimetry measurement results in a probe household in a dense urban area ...
  • Análisis del comportamiento de esquemas de modulación adaptativos en LTE 

    Torres Landívar, Víctor; Esparza Alfaro, Fermín; Falcone Lanas, Francisco Javier (2009)   Congreso / Biltzarra
    In this work, the behaviour of several modulation schemes used in 3GPP R8 or Long Term Evolution (LTE) Systems is analyzed. In order to increase the capacity of future mobile networks, high order modulation schemes like ...
  • Sensing in coin discriminators 

    Carlosena García, Alfonso; López Martín, Antonio; Arizti, Fernando; Martínez de Guereñu, Ane; Pina Insausti, José L.; García Sayés, Miguel (IEEE, 2007)   Congreso / Biltzarra
    This paper describes the technologies used in coin discriminator devices, stressing the improvements and novel mechanisms introduced by the authors in the past few years as a result of the cooperation with one leading ...
  • Implementación eficiente de sistemas GALS sobre FPGAs 

    García Lasheras, Javier (2007)   Congreso / Biltzarra
    Este artículo presenta un nuevo modelo para la implementación de Sistemas Globalmente Asíncronos – Localmente Síncronos (GALS) sobre Matrices de Puertas Programables por Campo (FPGA) comerciales. Esta nueva visión está ...
  • Efficient implementation of GALS systems over comercial synchronous FPGAs: a new approach 

    García Lasheras, Javier (2007)   Congreso / Biltzarra
    This paper introduces a new approach for implementing Glocally Asynchronous – Locally Synchronous (GALS) systems over commercial available Field Programmable Gate Arrays (FPGA). This new vision is aimed to overcome the ...

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