Listar IC - Artículos por título
Mostrando ítems 121-140 de 182
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On the Calculation of the Incomplete MGF with Applications to Wireless Communications
(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
(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
(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
(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
(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
(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
(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.
(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, ... -
Outage Performance of Exponentiated Weibull FSO Links Under Generalized Pointing Errors.
(IEEE, 2017)Even in clear conditions, free-space optical (FSO) links are impaired by scintillation and dynamic misalignment which result in a slow fading channel. This paper presents the first characterization of outage performance ... -
Parameters characterization of dielectric materials samples in microwave and millimeter-wave bands
(IEEE Transactions on Microwave Theory and Techniques, 2021-03-06)In this work, an optimized broadband method using multilayer transmission lines to characterize dielectric permittivity and loss tangent of material samples is presented. For this purpose, a microstrip line loaded with a ... -
PCA filtering and Probabilistic SOM for Network Intrusion Detection.
(Elsevier, 2015-09-21)The growth of the Internet and, consequently, the number of interconnected computers, has exposed significant amounts of information to intruders and attackers. Firewalls aim to detect violations according to a predefined ... -
Perfectly vertical surface grating couplers using subwavelength engineering for increased feature sizes.
(Optica, 2020-06-29)We present perfectly vertical grating couplers for the 220 nm silicon-on-insulator platform incorporating subwavelength metamaterials to increase the minimum feature sizes and achieve broadband low back-reflection. Our ... -
Performance Evaluation of Broadband Characterization of Coupled Transmission Lines Even- and Odd-Mode Propagation Constants Using Differential and Common Mode S-Parameters
(IEEE Journal of Microwaves, 2023)This work encompasses some relevant issues that arise when using a broadband method to characterize the even and odd mode propagation constants of symmetric microstrip coupled lines using four-port pure-mode differential ... -
Physical Layer Security of Large Reflecting Surface Aided Communications with Phase Errors.
(IEEE, 2020-10-09)The physical layer security (PLS) performance of a wireless communication link through a large reflecting surface (LRS) with phase errors is analyzed. Leveraging recent results that express the LRS-based composite channel ... -
Polarization insensitive metamaterial engineered multimode interference coupler in a 220 nm silicon-on-insulator platform
(Elsevier, 2023)High-index contrast silicon waveguides exhibit strong birefringence that hinders the development of polarization-insensitive devices, especially for sub-micrometer silicon layer thickness. Here a polarizationindependent 2 ... -
Polarization splitting directional coupler using tilted subwavelength gratings
(Optica Publishing Group, 2020)On-chip polarization splitters are key elements for coherent optical communication systems and polarization diversity circuits. These devices are often implemented with directional couplers that are symmetric for one ... -
Preprocessing for Lessening the Influence of Eye Artifacts in EEG Analysis.
(MDPI, 2019-04-27)We dealt with the problem of artifacts in EEG signals in relation to the usage of lengthy trials. Specifically, we considered eye artifacts found in EEG signals, their influence in the analysis of the data and alternatives ... -
Proactive dual connectivity for automated guided vehicles in outdoor industrial environment
(IEEE, 2022)5G communication systems are one of the major enabling technologies to meet the needs of Industry 4.0. This paper focuses on the use case of automated guided vehicles (AGVs) in an outdoor industrial scenario. To meet the ... -
Probabilistic and explainable modeling of Phase–Phase Cross-Frequency Coupling patterns in EEG. Application to dyslexia diagnosis
(Elsevier, 2024)This work explores the intricate neural dynamics associated with dyslexia through the lens of Cross-Frequency Coupling (CFC) analysis applied to electroencephalography (EEG) signals evaluated from 48 seven-year-old Spanish ... -
Probabilistic Combination of Non-Linear Eigenprojections For Ensemble Classification.
(IEEE, 2022-10-10)The emergence of new technologies has changed the way clinicians perform diagnosis. Medical imaging play a crucial role in this process, given the amount of information that they usually provide as non-invasive techniques. ...