Browsing Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak by Issue Date
Now showing items 1-20 of 88
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Compact bull's-eye antenna in ridge gap waveguide with circular polarization at 60 GHz
Pérez Quintana, Dayan
; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a Bull's-Eye (BE) antenna with circular polarization (CP) based on ridge gap waveguide (RGW) technology, working in the millimeter-wave band (60 GHz) is numerically and experimentally demonstrated. The structure ... -
Monitoring of electric buses within an urban smart city environment
Astrain Escola, José Javier ; Falcone Lanas, Francisco Javier ; López Martín, Antonio ; Sanchis Gúrpide, Pablo ; Villadangos Alonso, Jesús (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena 
A practical experience on monitoring the data generated by electric buses is presented, focusing on energy consumption, charge and state of the batteries. The work is carried out in the framework of a global smart city ... -
Design of a slotted Substrate Integrated waveguide antenna using a metasurface
Chocarro Álvarez, Javier; Pérez Escudero, José Manuel ; Ederra Urzainqui, Íñigo (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the use of a metasurface to improve the radiation properties of a Substrate Integrated Waveguide based slotted antenna is proposed. The design process of a metasurface covered 8 element slot antenna array ... -
An IoT framework for SDN based city mobility
Al-Rahamneh, Anas; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Klaina, Hicham ; Picallo Guembe, Imanol ; López Iturri, Peio ; Falcone Lanas, Francisco Javier (Springer, 2021)
Contribución a congreso / Biltzarrerako ekarpena
The Internet of Things (IoT) is becoming more widespread, with global application in a wide range of commercial sectors, utilizing a variety of technologies for customized use in specific environments. The combinationof ... -
THz tripod metasurfaces for sensing applications: from the basic, to more elaborated designs
Jáuregui López, Irati ; Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we propose, design, and evaluate three types of : three types of metasurfaces using tripod-shaped unit cells when working as thin-film sensing devices. The three meta-atoms of the proposed metasensors area ... -
Integration of second-life battery packs for self-consumption applications: analysis of a real experience
Soto Cabria, Adrián ; Berrueta Irigoyen, Alberto ; Zorrilla, Pablo; Iribarren Zabalegui, Álvaro ; Castillo, Diego H.; Wenceslao E., Rodríguez; Rodríguez, Adolfo J.; Vargas, David T.; Matías Maestro, Ignacio ; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
This contribution presents a methodology for the integration of Li-ion batteries discarded from electric vehicle into a collective self-consumption installation, showing the technical feasibility of such battery second ... -
Distributed opportunistic wireless mapping system towards smart city service provision
Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier ; López Martín, Antonio ; Astrain Escola, José Javier ; Sanchis Gúrpide, Pablo ; Matías Maestro, Ignacio (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
The knowledge of wireless signal distribution within an urban scenario can provide useful information to users as well as to enhance connectivity and device operation or to perform municipal logistics based on crowd density ... -
Compact antennas in ridge gap waveguide with circular polarization
Pérez Quintana, Dayan ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, two compact antennas in Ridge Gap Waveguide (RGW) technology, working at 60 GHz, with a high-purity circular polarization (CP) within a broad bandwidth are manufactured and measured. The antennas are fed ... -
Synthetic wind speed generation for the simulation of realistic diurnal cycles
D’Ambrosio, D.; Schoukens, Johan; Troyer, T. De; Zivanovic, Miroslav ; Runacres, Mark (IOP Publishing, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Synthetic wind-speed generators can provide a detailed characterisation of the wind variability at different time scales. A keen interest in the availability of synthetic wind speeds has recently risen in wind power modelling ... -
A gap waveguide fed circular polarization antennas in the millimeter wave range
Pérez, Dayan ; Torres García, Alicia E. ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a novel circular polarization (CP) antennas in ridge gap waveguide (RGW) working in the V-band of the millimeter-wave spectrum is presented. CP is generated in a simple and effective way by means of two ... -
Gaze estimation problem tackled through synthetic images
Garde Lecumberri, Gonzalo; Larumbe Bergera, Andoni ; Bossavit, Benoît ; Cabeza Laguna, Rafael ; Porta Cuéllar, Sonia ; Villanueva Larre, Arantxa (Association for Computing Machinery (ACM), 2020)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we evaluate a synthetic framework to be used in the field of gaze estimation employing deep learning techniques. The lack of sufficient annotated data could be overcome by the utilization of a synthetic ... -
Analytical modeling of high-frequency winding loss in round-wire toroidal inductors
Elizondo Martínez, David ; Barrios Rípodas, Ernesto ; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Toroidal inductors are present in many different industrial applications, thus, still receive researchers' attention. AC winding loss in these inductors have become a major issue in the design process, since switching ... -
Active control for medium-frequency transformers flux-balancing in a novel three-phase topology for cascaded conversion structures
Lumbreras Magallón, David ; Barrios Rípodas, Ernesto ; Navarrete, Manuel; Balda Belzunegui, Julián; González Senosiain, Roberto ; Sanchis Gúrpide, Pablo (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Efficiency and power density are important parameters in the design of power electronics converters. In many applications, low-frequency transformers are being substituted for medium-frequency and high-frequency transformers ... -
Compact harmonic rejection filter for C-band high-power satellite applications
Teberio Berdún, Fernando ; Martín Iglesias, Petronilo; Arregui Padilla, Iván ; Arnedo Gil, Israel ; Lopetegui Beregaña, José María ; Gómez Laso, Miguel Ángel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
A compact high-power low-pass filter for C-band broadband satellite applications is presented in this paper. The filter is composed of three different sections. A 9th-order compact high-power multi-ridge structure achieves ... -
Metal 3D printed D-Band waveguide to surface wave transition
Freer, Suzanna; Martinez, Rafael; Pérez Quintana, Dayan ; Beruete Díaz, Miguel ; Hanham, Stephen M.; Attallah, Moataz M.; Navarro Cía, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
The coupling efficiency between free space waves and surface waves is low, narrowband, or both. Highly efficient broadband (better than 20% fractional bandwidth) coupling from waveguide modes can be achieved through ... -
Novel three-phase topology for cascaded multilevel medium-voltage conversion systems in large-scale PV plants
Lumbreras Magallón, David ; Barrios Rípodas, Ernesto ; Balda Belzunegui, Julián; González Senosiain, Roberto ; Sanchis Gúrpide, Pablo (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Solar photovoltaic renewable energy systems are expanding in the power sector thanks to its increasingly competitive prices. Traditionally, large-scale PV plants have reduced their cost by increasing the power ratings of ... -
Super-gain-boosted miller op-amp based on nested regulated cascode techniques with FoMAOLDC =24,614kV/V.MHz.pF/µWatt
Paul, Anindita; Ramírez-Angulo, Jaime; López Martín, Antonio ; González Carvajal, Ramón; Díaz Sánchez, Alejandro (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
A simple technique to greatly enhance the DC open-loop gain of a Miller op-amp is introduced here. It is based on the utilization of nested regulated cascode amplifiers. It uses conventional Miller compensation and does ... -
Modeling the inherent damping of high-power inverters
Erdocia Zabala, Ioseba; Urtasun Erburu, Andoni ; Marroyo Palomo, Luis (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In order to decide whether passive or active damping is required in a three-phase inverter, a previous step is to assess the intrinsic damping of the system. However, few works focus on modeling this damping for DC/AC ... -
Lossy mode resonance enabling ultra-low detection limit for fibre-optic biosensors (INVITED)
Chiavaioli, Francesco; Giannetti, Ambra; Tombelli, Sara; Trono, Cosimo; Del Villar, Ignacio ; Matías Maestro, Ignacio ; Zubiate Orzanco, Pablo ; Ruiz Zamarreño, Carlos ; Arregui San Martín, Francisco Javier ; Baldini, Francesco (Springer, 2020)
Contribución a congreso / Biltzarrerako ekarpena
The combination of optical fibre-based biosensors with nanotechnologies is providing the opportunity for the development of in situ, portable, lightweight, versatile and high-sensitivity optical sensing platforms. We report ... -
CMOS low-voltage indirect current feedback instrumentation amplifiers with improved performance
Carrillo, Juan M.; Domínguez, Miguel A.; Pérez Aloe, Raquel; Duque Carrillo, J. Francisco; Cruz Blas, Carlos Aristóteles de la (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Indirect current feedback (ICF) is a very common operation principle used in the design of CMOS instrumentation amplifiers (IA). The input and output transconductors required in an ICF IA usually consist on resistive-degenerated ...
