Listar IC - Artículos por título
Mostrando ítems 91-110 de 182
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High-Performance Bimodal Evanescent-Field Sensor with Coherent Phase Readout
Torres-Cubillo, Antonia; Luque-González, José Manuel; Sánchez-Postigo, Alejandro; Fernández-Gavela, Adrián; Wanguemert-Pérez, Juan Gonzalo
; Molina-Fernández, Íñigo; Halir, Robert[et al.] (IEEE, 2023-12-13)
By comparing optical signals travelling through a sensing and a reference arm, interferometric photonic sensors achieve remarkable sensitivities and detection limits using sim- ple single-wavelength laser sources. Sensors ... -
Hybrid genetic algorithm for clustering IC topographies of EEGs
Munilla-Fajardo, Jorge; Al-Safi, Haedar E. S.; Ortiz-García, Andrés; Luque-Vilaseca, Juan Luis (Springer, 2023)
Clustering of independent component (IC) topographies of Electroencephalograms (EEG) is an effective way to find brain-generated IC processes associated with a population of interest, particularly for those cases where ... -
Identifying HRV patterns in ECG signals as early markers of dementia
Arco, Juan E.; Gallego-Molina, Nicolás J.; Ortiz-García, Andrés; Arroyo-Alvis, Katy; López-Pérez, P. Javier (Elsevier, 2023-12-15)
The appearance of Artificial Intelligence (IA) has improved our ability to process large amount of data. These tools are particularly interesting in medical contexts, in order to evaluate the variables from patients’ ... -
Impact of nonzero boresight pointing error on ergodic capacity of MIMO FSO communication systems
Boluda-Ruiz, Rubén; Castillo-Vázquez, Beatriz; Castillo-Vázquez, Carmen; García-Zambrana, Antonio (Optica Publishing Group, 2016)
A thorough investigation of the impact of nonzero boresight pointing errors on the ergodic capacity of multiple-input/multiple-output (MIMO) free-space optical (FSO) systems with equal gain combining (EGC) reception under ... -
Implementation of Tools for Lessening the Influence of Artifacts in EEG Signal Analysis.
Molina-Molina, Mario; Tardón-García, Lorenzo José; Barbancho-Pérez, Ana María; Barbancho-Pérez, Isabel (MDPI, 2024-01-23)
This manuscript describes an implementation of scripts of code aimed at reducing the influence of artifacts, specifically focused on ocular artifacts, in the measurement and processing of electroencephalogram (EEG) ... -
Improving Cell Outage Management Through Data Analysis
De la Bandera Cascales, Isabel; Muñoz, Pablo; Serrano, Inmaculada; Barco-Moreno, Raquel (IEEE, 2017-02-13)
Self-Organizing Networks (SON) is an important feature for network management automation in the new generation of mobile communications. While SON have been considered as part of the recent 3rd Generation Partnership ... -
Improving the Learning of Superheterodyne Demodulation of Frequency-Division Multiplexing Signals via the Educational Software Tool DOSHER.
(MDPI, 2023-08-08)The knowledge of signal demodulation processes using superheterodyne receivers is of great importance in the field of telecommunications. Superheterodyne receivers receive the current focus of many scientists in a wide ... -
Integrated Microwave Photonics Coherent Processor for Massive-MIMO Systems in Wireless Communications
Martínez-Carrasco Romero, Pablo; Rausell-Campo, José Roberto; Pérez-Galacho, Diego; Li, Xu; Qing, Ting; Wang, Tiangxiang; Pérez-López, Daniel[et al.] (2023-04-05)
Massive-MIMO systems can achieve high capacities and data rates by increasing the number of operational antennas in the base station. As more antenna elements are introduced, the complexity of the signal processing operations ... -
Integrated Polarization Beam Splitter for 100/400 GE Polarization Multiplexed Coherent Optical Communications
Pérez-Galacho, Diego; Zhang, Ruiyong; Ortega-Moñux, Alejandro; Halir, Robert; Alonso-Ramos, Carlos A.; Runge, Patrick; Janiak, Klemens; Zhou, Gan; Bach, Heinz-Gunter; Steffan, Andreas G.; Molina-Fernández, Íñigo[et al.] (IEEE, 2013-12-04)
Monolithically integrated polarization management is a key objective for the next generation of high speed optical co- herent receivers, and will enable transmission rates up to 400 Gbps. In this work we present a ... -
Integrated polarization beam splitter with relaxed fabrication tolerances
Pérez-Galacho, Diego; Halir, Robert; Ortega-Moñux, Alejandro; Alonso-Ramos, Carlos A.; Zhang, R.; Runge, Patrick; Janiak, Klemens; Bach, Heinz-Gunter; Steffan, Andreas G.; Molina-Fernández, Íñigo[et al.] (Optical Publishing Group, 2013-06-06)
Polarization handling is a key requirement for the next generation of photonic integrated circuits (PICs). Integrated polarization beam splitters (PBS) are central elements for polarization management, but their use in ... -
IoMT innovations in diabetes management: Predictive models using wearable data
(Elsevier, 2023-10-09)Diabetes Mellitus (DM) represents a metabolic disorder characterized by consistently elevated blood glucose levels due to inadequate pancreatic insulin production. Type 1 DM (DM1) constitutes the insulin-dependent manifestation ... -
Joint Parameter Estimation for the Two-Wave with Diffuse Power Fading Model.
López-Fernández, Jesús Manuel; Moreno-Pozas, Laureano; López-Martínez, Francisco Javier; Martos-Naya, Eduardo (MDPI, 2016-06-30)
Wireless sensor networks deployed within metallic cavities are known to suffer from a very severe fading, even in strong line-of-sight propagation conditions. This behavior is well-captured by the Two-Wave with Diffuse ... -
Label Aided Deep Ranking for the Automatic Diagnosis of Parkinsonian Syndromes.
Ortiz-García, Andrés; Martínez-Murcia, Francisco Jesús; Munilla-Fajardo, Jorge; Górriz-Sáez, Juan Manuel; Ramírez, Javier (Elsevier, 2018-10-16)
Parkinsonism is the second most common neurodegenerative disease in the world. Its diagnosis usually relies on visual analysis of Emission Computed Tomography (SPECT) images acquired using 123I − io f lupane radiotracer. ... -
Largest eigenvalue distribution of noncircularly symmetric Wishart-type matrices with application to Hoyt-faded MIMO communications
Moreno-Pozas, Laureano; Morales-Jimenez, David; Mckay, Matthew R.; Martos-Naya, Eduardo (Institute of Electrical and Electronics Engineers, 2018-03)
This paper is concerned with the largest eigenvalue of the Wishart-type random matrix W = XX† (or W = X†X), where X is a complex Gaussian matrix with unequal variances in the real and imaginary parts of its entries, i.e., ... -
Linearization of a Dual-Parallel Mach-Zehnder Modulator Using Optical Carrier Band Processing
Torrijos-Morán, Luis; Catalá-Lahoz, Cristina; Pérez-López, Daniel; Xu, Li; Tianxiang, Wang; Pérez-Galacho, Diego[et al.] (IEEE, 2023-05-15)
The linearization of a microwave photonic link based on a dual-parallel Mach-Zehnder modulator is theoretically de- scribed and experimentally demonstrated. Up to four different radio frequency tones are considered in the ... -
Link abstraction models for multicarrier systems: A logistic regression approach
Carreras Mesa, Alberto; Aguayo-Torres, María del Carmen; Martín-Vega, Francisco-Javier; Gómez-Paredes, Gerardo; Blánquez-Casado, Francisco; Delgado-Luque, Isabel-María; Entrambasaguas-Muñoz, José Tomás[et al.] (Wiley, 2017-09)
Evaluation of complex wireless systems through simulations is commonly tackled with an abstraction of physical link behavior. This procedure is performed in 2 phases: Firstly, training is performed at the link level, ... -
Low voltage 25Gbps silicon Mach-Zehnder modulator in the O-band
Pérez-Galacho, Diego; Baudot, Charles; Hirtzlin, Tifenn; Messaoudène, Sonia; Vulliet, Nathalie; Crozat, Paul; Boeuf, Frederic; Vivien, Laurent; Marris-Morini, Delphine[et al.] (Optical Publishing Group, 2017-05-04)
In this work, a 25 Gb ps silicon push-pull Mach-Zehnder modulator operating in the O-Band (1260 nm - 1360 nm) of optical communications and fabricated on a 300 mm platform is presented. The measured modulation efficiency ... -
Low-Complexity Distance-Based Scheduling for Multi-User XL-MIMO Systems.
(IEEE, 2021-08-02)We introduce Distance-Based Scheduling (DBS), a new technique for user selection in downlink multi-user communications with extra-large (XL) antenna arrays. DBS categorizes users according to their equivalent distance ... -
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 ...