Listar IC - Artículos por título
Mostrando ítems 184-203 de 221
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Self-Organized Fast Routing Protocol for Radial Underwater Networks.
(MDPI, 2018-11-28)An underwater wireless sensor networks (UWSNs) is an emerging technology for environmental monitoring and surveillance. One of the side effects of the low propagation speed of acoustic waves is that routing protocols of ... -
Self-Organizing and Scalable Routing Protocol (SOSRP) for Underwater Acoustic Sensor Networks
(MDPI, 2019-07-16)Underwater Acoustic Sensor Networks (UASN) have two important limitations: a very aggressive (marine) environment, and the use of acoustic signals. This means that the techniques for terrestrial wireless sensor networks ... -
Self-Tuning of Service Priority Parameters for Optimizing Quality of Experience in LTE
(IEEE Xplore, 2017-11-23)Rising user expectations are changing the way mobile operators manage their networks. In this paper, a self-tuning algorithm for adjusting parameters in a multiservice packet scheduler of a Long-Term Evolution base station ... -
Silicon subwavelength modal Bragg grating filters with narrow bandwidth and high optical rejection
(Optical Publishing Group, 2020-10-13)Waveguide Bragg grating filters with narrow bandwidth and high optical rejection are key func- tions for several advanced silicon photonics circuits. Here, we propose and demonstrate a new Bragg grating geometry that ... -
Simplified colorless characterization scheme for coherent receivers in DWDM scenarios using a single interferer
(Elsevier, 2024)Intradyne coherent receivers, capable of detecting an individual wavelength-division multiplexed channel just by tuning the local oscillator frequency, is of great interest for the development of high-capacity flexible ... -
Simplified modeling and optimization of silicon modulators based on free-carrier plasma dispersion effect
(Optical Publishing Group, 2016-11-04)n this paper, a simplified model of silicon phase modulators is presented that enables favorable accuracy together with a substantial reduction in computational effort and without the requirement of semiconductor TCAD ... -
Six-Port-Based Architecture for Phase NoiseMeasurement in the UWB Band
(Hindawi Publishing Corporation, 2014-06)A six-port-based frequency discriminator for phase noise measurement is proposed. This circuit makes use of a delay line discriminator configuration, thus not requiring reference oscillator. Furthermore, the use of a ... -
SLA-Driven Traffic Steering in B5G Systems with Network Slicing
(IEEE, 2024-03-08)In 5G and beyond wireless systems, Network Slicing (NS) feature will enable the coexistence of extremely different services by splitting the physical infrastructure into several logical slices tailored for a specific tenant ... -
SOS Application Under Android: Help Pro
(Springer, 2022-10-08)Information and Communication Technologies are regularly used in medical services and associations around the world. An increasing number of devices running Android as Smartphones, smart TV and tablets, are comprehensively ... -
Statistical Agnostic Mapping: A framework in neuroimaging based on concentration inequalities.
(Elsevier, 2020-09-26)In the 1970s a novel branch of statistics emerged focusing its effort on the selection of a function for the pattern recognition problem that would fulfill a relationship between the quality of the approximation and ... -
Studying the Manifold Structure of Alzheimer’s Disease: A Deep Learning Approach Using Convolutional Autoencoders
(IEEE, 2020-01-01)Many classical machine learning techniques have been used to explore Alzheimer’s Disease, evolving from image decomposition techniques such as Principal Component Analysis towards higher-complexity, non-linear decomposition ... -
Subwavelength engineering and asymmetry: two efficient tools for sub-nanometer-bandwidth silicon Bragg filters
(Optical Publishing Group, 2018-07-02)Bragg filters stand as a key building blocks of the silicon- on-insulator (SOI) photonics platform, allowing the implementation of advanced on-chip signal manipulation. However, achieving narrowband Bragg filters with ... -
Suspended germanium waveguides with subwavelength-grating metamaterial cladding for the mid-infrared band
(Optica Publishing Group, 2021-05-24)In recent years, sensing and communication applications have fueled important developments of group-IV photonics in the mid-infrared band. In the long-wave range, most platforms are based on germanium, which is transparent ... -
Suspended silicon waveguides for long-wave infrared wavelengths
(Optica Publishing Group, 2018-02-09)In this Letter, we report suspended silicon waveguides operating at a wavelength of 7.67 μm with a propagation loss of 3.1±0.3 dB/cm. To our knowledge, this is the first demonstration of low-loss silicon waveguides at such ... -
Synthesis of Dual-Band Bandpass Filters With Short-Circuited Multiconductor Transmission Lines and Shunt Open Stubs
(IEEE, 2019-02-24)The design of dual-band bandpass filters consisting of series short-circuited wire-bonded multiconductor transmission lines and shunt open stubs is thoroughly carried out in this paper. Two different configurations are ... -
The Fluctuating Two-Ray Fading Model: Statistical Characterization and Performance Analysis
(IEEE, 2017)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 the natural ... -
The κ-µ Shadowed Fading Model with Integer Fading Parameters
(IEEE, 2017)We show that the popular and general κ-μ shadowed fading model with integer fading parameters μ and m can be represented as a mixture of squared Nakagami- m̂ (or Gamma) distributions. Thus, its PDF and CDF can be expressed ... -
The κ–μ Shadowed Fading Model: Unifying the κ–μ and η–μ Distributions
(IEEE Transactions on Vehicular Technology, 2016-12)This paper shows that the recently proposed k-μ shadowed fading model includes, besides the k-μ model, the η-μ fading model as a particular case. This has important relevance in practice, as it allows for the unification ... -
Three-Dimensional Fully Metallic Dual Polarization Frequency Selective Surface Design Using Coupled-Resonator Circuit Information.
(IEEE, 2024)This work employs a new approach to analyze coupled-resonator circuits to design and manufacture a fully metallic dual polarization frequency selective surface (FSS). The proposed filtering structure is composed of a series ... -
Throughput/Area-Efficient Accelerator of Elliptic Curve Point Multiplication over GF(2233) on FPGA
(MDPI, 2023-08)This paper presents a throughput/area-efficient hardware accelerator architecture for elliptic curve point multiplication (ECPM) computation over GF(2233). The throughput of the proposed accelerator design is optimized by ...