Listar IC - Contribuciones a congresos científicos por título
Mostrando ítems 317-336 de 359
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Sonda experimental de monitorización de redes móviles para eventos
Moreno-Sancho, Alejandro; Baena-Martínez, Eduardo
; Fortes-Rodríguez, Sergio; Barco-Moreno, Raquel (2020-10-02)
The high increase of people using mobile networks added to high influx situations, events such as, concerts or football matches occur, have been causing trouble with the management of those networks, causing a reduction ... -
Statistical Channel Impulse Response Modeling for Optical Wireless Communication in Turbid Waters
Boluda-Ruiz, Rubén; Rico-Pinazo, Pedro; Castillo-Vázquez, Beatriz; García-Zambrana, Antonio; Qaraqe, Khalid (URSI'19 (Sevilla, septiembre, 2019), 2019)
Underwater optical wireless communication (UOWC) systems support high-speed, reliable and cost-effective implementations that are demanded for extending the telecommunication networks to oceans. UOWC systems suffer from ... -
Statistical Characterization of the Chunk Size Distribution in DASH
Vaca-Rubio, Cristian J.; Gómez-Paredes, Gerardo; Aguayo-Torres, María del Carmen; López-Martínez, Francisco Javier (2019-09-13)
We present a statistical characterization of the segment size distribution of video streaming services based on dynamic adaptive streaming over HTTP (DASH). We first obtain the empirical distributions from traffic captures ... -
Statistical model for mobile user positioning based on social information.
Bejarano-Luque, Juan Luis; Toril-Genovés, Matías; Fernández-Navarro, Mariano; Jiménez, Luis Roberto; Luna-Ramírez, Salvador (2021-09)
In spite of the vast set of measurements provided by current mobile networks, cellular operators have problems to pinpoint problematic locations because the origin of such measurements (i.e., user location) is usually not ... -
Subjective quality in underwater acoustic networks
Poncela-González, Javier (2014-12-22)
Experiencias sobre calidad subjetiva percibida en redes acústicas submarinas -
Subwavelength Index Engineering for SOI Waveguides
Halir, Robert; Luque-González, José Manuel; Wang, S.; Sarmiento-Merenguel, Jose Darío; Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Cheben, Pavel; Schmid, Jens H.; Xu, Dan-Xia; Janz, Siegfried; Lapointe, J.; Molina-Fernández, Íñigo; Ortega-Moñux, Alejandro[et al.] (2016-09-06)
Photonic structures with a sub-wavelength pitch, small enough to suppress diffraction, can behave as equivalent homogenous materials that can be engineered to exhibit a specific refractive index and dispersion. Here we ... -
Subwavelength metamaterial engineering for silicon photonics
Halir, Robert; Ortega-Moñux, Alejandro; Soler-Penades, Jordi; Luque-González, José Manuel; Sarmiento-Merenguel, Jose Darío; Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Schmid, Jens H.; Xu, Dan-Xia; Janz, Siegfried; Lapointe, J.; Molina-Fernández, Íñigo; Nedeljkovic, Milos; Mashanovich, Goran Z.; Cheben, Pavel[et al.] (2017-02-06)
Waveguides structured at the subwavelength scale frustrate di raction and behave as optical metamaterials with controllable refractive index. These structures have found widespread applications in silicon photonics, ranging ... -
Subwavelength metamaterial for communications and sensing
Wanguemert-Pérez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Hadij-El-Houati, Abdelfettah; Pereira-Martín, Daniel; Luque-González, José Manuel; Leuermann, Jonas; Ortega-Moñux, Alejandro; Halir, Robert; Molina-Fernández, Íñigo; Cheben, Pavel; Xu, Dan-Xia; Schmid, Jens H.; Ctyroky, Jiri; Litvik, Jan; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; González Andrade, David; Velasco, Aitor V.[et al.] (2018-10-29)
Silicon photonics is considered a breakthrough technology with strong impact in areas as diverse as data center interconnection, high performance computing, the deployment of 5G future communication systems or lab-on-a-chip ... -
Subwavelength metamaterial structures for silicon photonics
Wanguemert-Pérez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Luque-González, José Manuel; Sarmiento-Merenguel, Jose Darío; Halir, Robert; Ortega-Moñux, Alejandro; Molina-Fernández, Íñigo; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; Alonso-Ramos, C.; Pérez-Galacho, Diego; González Andrade, David; V. Velasco, Aitor[et al.] (Photonics North, 2017)
Sub-wavelength periodic metamaterial structures are enabling the design of silicon photonic devices with unprecedented performance in the near infrared band. However, for applications in the promising mid-infrared band it ... -
Subwavelength-engineered metamaterial devices for integrated photonics
Sánchez-Postigo, Alejandro; Ginel-Moreno, Pablo; Pereira-Martín, Daniel; Hadij-El-Houati, Abdelfettah; Luque-González, José Manuel; Pérez-Armenta, Carlos; Wanguemert-Pérez, Juan Gonzalo; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Soler-Penades, Jordi; Nedeljkovic, Milos; Ye, Winnie N.; Mashanovich, Goran Z.; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (2022)
The engineering of subwavelength grating metamaterials has become an essential design strategy in silicon photonics. The lithographic segmentation of integrated waveguides at the subwavelength scale enables the synthesis ... -
Subwavelength-grating metamaterial integrated devices for the near- and mid-infrared wavelengths
Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Ortega-Moñux, Alejandro; Halir, Robert; Pereira-Martín, Daniel; Luque-González, José Manuel; Schmid, Jens H.; Wang, Shurui; Vachon, Martin; Xu, Dan-Xia; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (2021)
The subwavelength patterning of planar structures is now widely used in silicon photonics, enabling the synthesis of metamaterials with engineered optical properties, including refractive index, dispersion, and anisotropy. ... -
Suspended silicon integrated platform for the long-wavelength mid-infrared band
Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Soler-Penades, Jordi; Ortega-Moñux, Alejandro; Nedeljkovic, Milos; Halir, Robert; El Mokhtari Mimun, Faysal; Qu, Zhibo; Khokhar, Ali Z.; Osman, Ahmed; Cao, Wei; Littlejohns, Callum G.; Mashanovich, Goran Z.; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (2019-07-18)
The atmospheric-transmission window and the fingerprint region of many substances overlaps with the long-wave infrared band. This has enabled the emergence of a new path for photonic integrated circuits, which could exploit ... -
Systemic comparison of dielectric and plasmonic biosensors on a silicon photonics platform
Sánchez-Ramírez, Ana; Luque-González, José Manuel; Wanguemert-Pérez, Juan Gonzalo; Molina-Fernández, Íñigo (2022)
Plasmonic and dielectric based waveguides are widely used for biosensing applications. However, the use of different sensing architectures and platforms hinders the fair comparison of their respective figures of merit. In ... -
Technology for exergames: Arduino-based reactive floor
Tardón-García, Lorenzo José; Barbancho-Pérez, Ana María; Barbancho-Pérez, Isabel; Ariza, Isaac (2022-09)
Studies conducted by the World Health Organization (WHO) indicate that most adolescents do not perform enough physical activity, endangering their current and future health; also, elder persons gain great benefit from ... -
Temporal phase synchrony disruption in dyslexia: anomaly patterns in auditory processing
Formoso, Marco A.; Ortiz-García, Andrés; Martínez-Murcia, Francisco Jesús; Aquino Brítez, Diego; Escobar, Juan José; Luque-Vilaseca, Juan Luis[et al.] (2022)
The search for a dyslexia diagnosis based on exclusively objective methods is currently a challenging task. Usually, this disorder is analyzed by means of behavioral tests prone to errors due to their subjective nature; ... -
The Complementary Strip-Slot: From the Unit-Cell of Artificial Transmission Lines to the Basic Element of Novel Antennas
Abdo-Sánchez, María Elena; Esteban Marzo, Jaime; Martín-Guerrero, Teresa María; Page de la Vega, Juan Enrique; Camacho-Peñalosa, Carlos (2014-09-11)
The complementary strip-slot radiating element and its applications are reviewed. The element is a modified version of the conventional microstrip-fed slot that presents very broad matching. Its inherent lattice equivalent ... -
The dynamics of user channels in massive MIMO systems
Martos-Naya, Eduardo; López-Martínez, Francisco Javier; París-Ángel, José Francisco; Goldsmith, Andrea (2014-10-31)
The SNR associated with the different users in large-scale MIMO systems depends on the magnitude of the eigenvalues of the channel power matrix HH H. While it is known that the spread between the best and worst channels ... -
The Fluctuating Two-Ray Fading Model for mmWave Communications
Romero-Jerez, Juan Manuel; López-Martínez, Francisco Javier; París-Ángel, José Francisco; Goldsmith, Andrea (IEEE, 2016)
We introduce the Fluctuating Two-Ray (FTR) fading model, a new statistical channel model that consists of two fluctuating specular components with random phases plus a diffuse component. The FTR model arises as a natural ... -
The importance of F0 tracking in query-by-singing-humming
In this paper, we present a comparative study of several state-of-the-art F0 trackers applied to the context of query-by-singing-humming (QBSH). This study has been carried out using the well known, freely available, ... -
Theoretical consideration on harmonic manipulated amplifiers based on experimental data
Raffo, Antonio; Colantonio, Paolo; Cipriani, Elisa; Vadala, Valeria; Bosi, Gianni; Martín-Guerrero, Teresa María; Vannini, Giorgio; Giannini, Franco[et al.] (2015-10-07)
This contribution aims at the experimental confirmation of the advantages of the harmonic manipulation theory, using a low-frequency low-cost characterization setup. A 0.5-μm 10x100-μm (1-mm gate periphery) GaN HEMT has ...