Listar IC - Artículos por título
Mostrando ítems 109-128 de 182
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Mapping the global design space of nanophotonic components using machine learning pattern recognition
(Springer Nature, 2019-10-21)Nanophotonics finds ever broadening applications requiring complex components with many parameters to be simultaneously designed. Recent methodologies employing optimization algorithms commonly focus on a single performance ... -
Measurement-based FET analytical modeling using the nonlinear function sampling approach
Martín-Guerrero, Teresa María
; Santarelli, Alberto; Gibiino, Gian Piero; Traverso, Pier Andrea; Camacho-Peñalosa, Carlos; Filicori, Fabio[et al.] (IEEE Microwave and Wireless Components Letters, 2020-12)
A novel and fast method for the measurement-based identification of an analytical FET compact model from large- signal waveforms is presented. Based on a two-tone two-port experiment, a recently published Nonlinear Function ... -
Measuring and estimating Key Quality Indicators in Cloud Gaming services
Baena, Carlos; Peñaherrera-Pulla, Oswaldo Sebastián; Barco-Moreno, Raquel; Fortes-Rodríguez, Sergio (Elsevier, 2023)
The gaming industry has proposed the concept of Cloud Gaming (CG), a paradigm that enhances the gaming experience on reduced hardware devices. However, this paradigm puts a lot of pressure on the communication links that ... -
Methodology for the Design and Evaluation of Self-Healing LTE Networks.
Gómez-Andrades, Ana; Muñoz, Pablo; Jatib Khatib, Emil; De la Bandera Cascales, Isabel; Serrano, Inmaculada; Barco-Moreno, Raquel[et al.] (IEEE, 2015)
Self-healing networks aim to detect cells with service degradation, identify the fault cause of their problem, and execute compensation and repair actions. The development of this type of automatic system presents several ... -
Mid-infrared suspended waveguide platform and building blocks
Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Soler Penadés, Jordi; Ortega-Moñux, Alejandro; Nedeljkovic, Milos; Halir, Robert; El Mokhtari Mimum, Faysal; Xu Cheng, Yolanda; Qu, Zhibo; Khokahr, Ali Z.; Osman, Ahmed; Cao, Wei; Littlejohns, Callum G.; Cheben, Pavel; Mashanovich, Goran Z.; Molina-Fernández, Íñigo[et al.] (Wiley, 2019-04-01)
In this work, the authors present their recent progress in the development of a platform for the mid-infrared wavelength range, based on suspended silicon waveguides with subwavelength metamaterial cladding. The platform ... -
Millimeter-long metamaterial surface-emitting antenna in the silicon photonics platform
Ginel-Moreno, Pablo; Sánchez-Postigo, Alejandro; De-Oliva-Rubio, José; Hadij-ElHouati, Abdelfettah; Ye, Winnie N.; Wanguemert-Pérez, Juan Gonzalo; Molina-Fernández, Íñigo; Schmid, Jens H.; Cheben, Pavel; Ortega-Moñux, Alejandro[et al.] (Optical Publishing Group, 2021-07-28)
Integrated optical antennas are key components for on-chip light detection and ranging technology (LIDAR). In order to achieve a highly collimated far field with reduced beam divergence, antenna lengths on the order of ... -
Modeling amplified arbitrary filtered heterodyne microwave photonic links
Sánchez, Erica; Pérez-López, Daniel; Pérez-Galacho, Diego; Huy-Ho, Tan; Wessel, David; Capmany, José[et al.] (2022-02-14)
We report an end-to-end analytic model for the computation of the figures of nerit (FOMs) of arbitrarily filtered and amplified heterodyne coherent microwave photonics (MWP) links. It is useful for evaluating the performance ... -
Morphological Characterization of Functional Brain Imaging by Isosurface Analysis in Parkinson’s Disease.
Castillo-Barnes, Diego; Martínez-Murcia, Francisco J.; Ortiz-García, Andrés; Salas-González, Diego; Ramírez, Javier; Górriz-Sáez, Juan Manuel[et al.] (World Scientific, 2020-08-12)
Finding new biomarkers to model Parkinson’s Disease (PD) is a challenge not only to help discerning between Healthy Control (HC) subjects and patients with potential PD, but also as a way to measure quantitatively the loss ... -
Multi-Sensor Fusion for Underwater Vehicle Localization by Augmentation of RBF Neural Network and Error-State Kalman Filter
Shaukat, Nabil; Ali, Ahmed; Javed Iqbal, Muhammad; Moinuddin, Muhammad; Otero-Roth, Pablo (IOAP-MPDI, 2021-02-06)
The Kalman filter variants extended Kalman filter (EKF) and error-state Kalman filter (ESKF) are widely used in underwater multi-sensor fusion applications for localization and navigation. Since these filters are designed ... -
Multinode component carrier management: multiconnectivity in 5G
De la Bandera Cascales, Isabel; Palacios, David; Barco-Moreno, Raquel (IEEE, 2021)
From its conception, 5G has been designed to support a wide variety of service types, ranging from enhanced mobile broadband (eMBB) to ultra-reliable low-latency communications (URLLC). To overcome the disparity of their ... -
Novel approximation of misalignment fading modeled by Beckmann distribution on free-space optical links
Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Castillo-Vázquez, Beatriz; Castillo-Vázquez, Carmen (Optica Publishing Group, 2016)
A novel accurate and useful approximation of the well-known Beckmann distribution is presented here, which is used to model generalized pointing errors in the context of free- space optical (FSO) communication systems. We ... -
Novel Results for the κ–μ Extreme Fading Distribution: Generation of White Samples and Capacity Analysis
López-Martínez, Francisco Javier; Moreno-Pozas, Laureano; Martos-Naya, Eduardo (IEEE Communications Letters, 2015-09)
We provide new analytical results for the κ-μ extreme (κ-μ-E) fading distribution, which is useful to model propagation conditions more severe than Rayleigh fading. First, we calculate a closed-form expression for the ... -
On the Calculation of the Incomplete MGF with Applications to Wireless Communications
López-Martínez, Francisco Javier; Romero-Jerez, Juan Manuel; París-Ángel, José Francisco (IEEE, 2017)
The incomplete moment generating function (IMGF) has paramount relevance in communication theory, since it appears in a plethora of scenarios when analyzing the performance of communication systems. We here present a general ... -
On the Improvement of Cellular Coverage Maps by Filtering MDT Measurements
Sánchez, Joaquín; Toril-Genovés, Matías; Wille, Volker; Gijón, Carolina; Fernández-Navarro, Mariano (IEEE, 2023-07-01)
In cellular systems, network re-planning aims to update network configuration to cope with permanent changes in the environment. In this task, terminal measurements are often used to calibrate performance models integrated ... -
On-Chip Metamaterial Antenna Array with Distributed Bragg Deflector for Generation of Collimated Steerable Beams
Ginel-Moreno, Pablo; Hadij-El-Houati, Abdelfettah; Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Molina-Fernández, Íñigo; Schmid, Jens H.; Cheben, Pavel; Ortega-Moñux, Alejandro[et al.] (WILEY, 2022-07-03)
The generation of collimated steerable beams of light is a fundamental function in optics needed in many applications, including free-space optical communications, remote sensing, and light detection and ranging. Implementing ... -
Online Anomaly Detection System for Mobile Networks
Burgueño Romero, Jesús; De la Bandera Cascales, Isabel; Mendoza, Jessica; Palacios, David; Morillas, Cesar; Barco-Moreno, Raquel[et al.] (MDPI, 2020)
The arrival of the Fifth-Generation (5G) standard has further accelerated the need for operators to improve the network capacity. With this purpose, mobile network topologies with smaller cells are being currently deployed ... -
Optical pump-rejection filter based on silicon sub-wavelength engineered photonic structures
Pérez-Galacho, Diego; Alonso-Ramos, Carlos; Mazeas, Florent; Le Roux, Xavier; Oser, Dorian; Zhang, Weiwei; Marris-Morini, Delphine; Labonté, Laurent; Tanzilli, Sébastien; Cassan, Éric; Vivien, Laurent[et al.] (Optical Publishing Group, 2017-04-04)
The high index contrast of the silicon-on-insulator (SOI) platform allows the realization of ultra-compact photonic circuits. However, this high contrast hinders the implementation of narrow-band Bragg filters. These ... -
Optimal Fair Scheduling in S-TDMA Sensor Networks for Monitoring River Plumes
Luque-Nieto, Miguel Ángel; Moreno-Roldán, José Miguel; Poncela-González, Javier; Otero-Roth, Pablo (Hindawi Publishing Corporation, 2016)
Underwater wireless sensor networks (UWSNs) are a promising technology to provide oceanographers with environmental data in real time. Suitable network topologies to monitor estuaries are formed by strings coming together ... -
Optimal scheduling and fair servicepolicy for STDMA in underwater networks with acoustic communications
Luque-Nieto, Miguel Ángel; Moreno-Roldán, José Miguel; Otero-Roth, Pablo; Poncela-González, Javier (MDPI, 2018-02)
In this work, a multi-hop string network with a single sink node is analyzed. A periodic optimal scheduling for TDMA operation that considers the characteristic long propagation delay of the underwater acoustic channel is ... -
Optimization of 5G Networks for Smart Logistics.
Jatib Khatib, Emil; Barco-Moreno, Raquel (MDPI, 2021-03-22)
Industry 4.0 is generalizing the use of wireless connectivity in manufacturing and logistics. Specifically, in Smart Logistics, novel Industry 4.0 technologies are used to enable agile supply chains, with reduced management, ...