Listar IC - Contribuciones a congresos científicos por título
Mostrando ítems 238-257 de 288
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Sampling Frequency Error Estimators for PRIME v1.4 systems
Giménez, Javier; Cortes-Arrabal, Jose Antonio
; Sanz, Alfredo; Díez-del-Río, Luis (2020-07-02)
The performance of PRIME v1.4 systems might be severely degraded by a sampling frequency offset (SFO). This work addresses the problem of the SFO estimation by means of the pilots transmitted in the header and payload ... -
Secure Distributed System inspired by Ant Colonies for Road Traffic Management in Emergency Situations
Peinado-Dominguez, Alberto; Ortiz-Garcia, Andres; Munilla-Fajardo, Jorge (2013-09-04)
In this work, we present a distributed system designed for road traffic management. The system is inspired by the behavior of the ant colonies. The distributed design responds to the particular limitations of an emergency ... -
Selección automática de características para una gestión proactiva eficiente de redes 5G
Mendoza, Jessica; Palacios, David; De la Bandera Cascales, Isabel; Barco-Moreno, Raquel (2019-10-30)
The growth in the number of services, functionalities and users expected with the arrival of the 5th Generation (5G) of mobile communications networks will produce an increase in the complexity of the network management ... -
Selección Dinámica de Celda en los Enlaces Ascendente y Descendente de Redes Heterogéneas: Estudio de las Estratégias Acoplada y Desacoplada
Dynamic cell selection (DCS) and decoupled access are two disruptive candidate schemes for cell association in future 5G networks. DCS provides adaptation to fast channel variations, which results in potential performance ... -
Self-organized Routing For Radial Underwater Networks
Poncela-Gonzalez, Javier (2016-11-29)
Due to significant propagation delay of acoustic waves in underwater communication, terrestrial routing protocols are not applicable for UWSN. To overcome this problem, some routing protocols have been proposed for UWSN ... -
Separador de polarización integrado de altas prestaciones basado en estructuras sub-longitud de onda
Luque-González, José Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro; Sánchez-Rodriguez, Marina; Velasco, Aitor V.; Schmid, Jens H.; Cheven, Pavel; Molina-Fernandez, Iñigo; Halir, Robert[et al.] (2020-12-03)
Polarization management is a key factor in photonics integration platforms with high birefringence such as Silicon-On- Insulator. Here we design a directional coupler polarization beam splitter composed of two subwavelength ... -
Silicon high performance devices using subwavelength structures
Halir, Robert; Sánchez-Postigo, Alejandro; Luque-González, José Manuel; Herrero-Bermello, Alaine; Leuermann, Jonas; Ortega-Moñux, Alejandro; Wanguemert-Perez, Juan Gonzalo; Velasco, Aitor V.; De-Oliva-Rubio, Jose; Schmid, Jens H.; Cheben, Pavel; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; Molina-Fernandez, Iñigo[et al.] (2019-03-13)
Silicon photonics is poised to solve challenges in areas such as datacom, environmental monitoring and diagnostics, by leveraging the economies of scale afforded by CMOS manufacturing. This requires a wide variety of ... -
Silicon-on-insulator polarization controller with relaxed fabrication tolerances
Sarmiento-Merenguel, J.D; Alonso-Ramos, C.; Halir, Robert; Vivien, L.; Cheben, Pavel; Ortega-Moñux, Alejandro; Molina-Fernandez, Iñigo; Leroux, X.; Marris-Morini, Delphine; Xu, D.X.; Schmid, J.H.; Janz, Siegfried[et al.] (2014-07-31)
Polarization control is essential in applications ranging from optical communications to interferometric sensors. The implementation of in- tegrated polarization controllers is challenging as they require polariza- tion ... -
Simulador de dispositivos SLM basados en cristal líquido
Gallego-Molina, Nicolás J.; Puerta-Notario, Antonio; Castillo-Vazquez, Miguel; Garrido-Balsells, José María (2018-09-27)
En este trabajo, se presenta un simulador de modulación de fase espacial para su uso en comunicaciones ópticas de espacio libre. El simulador está basado en dispositivos TNLCD (Twisted Nematic Liquid Crystal Display). En ... -
Sistema de detección cercana para misiones SAR basado en BLE y sistemas robóticos
Cantizani Estepa, Juan; Bravo Arrabal, Juan; Fernández-Lozano, Juan Jesús; Fortes-Rodriguez, Sergio; Barco-Moreno, Raquel; Garcia-Cerezo, Alfonso J.[et al.] (2021-09)
Detection systems have recently received considerable attention because of the importance of tracking infected people during SARS-CoV-2 pandemic. Such implementations can be very useful for finding potential victims in the ... -
Sistema de Soporte a la Decisión para la gestión de fallos y optimización en redes móviles
Peña, Juan Manuel; De la Bandera Cascales, Isabel; Trujillo, José Antonio; Palacios, David; Barco-Moreno, Raquel (2021-09)
Unlike previous generations of mobile communications, 5G is intended to cover a wide variety of scenarios and services with different characteristics and requirements. In this context, the network management team tasks are ... -
Sistema IoT de sensorización, almacenamiento y representación de datos para espacios universitarios
Cantizani Estepa, Juan; Pineda, Andrés; Fortes-Roman, Francisco Javier; Baena-Martinez, Eduardo; García-Marín, Alberto (2020-10-08)
In the past years, the concept of Smart City has been a main paradigm for public developments, with the objective of improving the well-being of the citizens, and the performance of public services by means of a detailed ... -
Sistema para la detección y clasificación de patrones de celdas en redes móviles
Trujillo, José Antonio; De la Bandera Cascales, Isabel; Palacios, David; Barco-Moreno, Raquel (2020-09-18)
The new 5th generation (5G) mobile networks will bring multiple services and heterogeneous scenarios that will provide large amount of data. In this context, automatic solutions to analyze such amount of data will allow ... -
Small Size Dual-band Bandpass Filters with Multiconductor Transmission Lines and Shunt Open Stubs
A dual-band bandpass filter consisting of multiconductor transmission lines (MTL) and shunt stubs has been designed. The used topology, based on the interconnection of two identical MTL and a shunt open stub, has a frequency ... -
Smartphone-based traffic estimation in Smart Cities
(2019-10-25)Measuring traffic in real time is one of the main functionalities of Smart Cities. To reduce the costs of deployment and operation, traffic measurement with mobile devices has been widely studied. In this paper, a traffic ... -
Sonda experimental de monitorización de redes móviles para eventos
Moreno-Sancho, Alejandro; Baena-Martinez, Eduardo; Fortes-Rodriguez, 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, Ruben; Rico-Pinazo, Pedro; Castillo-Vazquez, 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.; Gomez-Paredes, Gerardo; Aguayo-Torres, Maria 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-Genoves, Matias; 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-Gonzalez, Javier (2014-12-22)
Experiencias sobre calidad subjetiva percibida en redes acústicas submarinas