Browsing Grupo de Tecnoloxía Electrónica e Comunicacións (GTEC) by Title
Now showing items 1-20 of 146
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60-GHz Millimeter-Wave Propagation Inside Bus: Measurement, Modeling, Simulation, and Performance Analysis
(Institute of Electrical and Electronics Engineers, 2019)[Abstract] Millimeter-wave (mmWave) transmission over the unlicensed 60-GHz spectrum is a potential solution to realize high-speed internet access, even inside mass transit vehicles. The solution involves communication ... -
A Bluetooth 5 Opportunistic Edge Computing System for Vehicular Scenarios
(MDPI, 2022-11-01)[Abstract]: The limitations of many IoT devices in terms of storage, computing power and energy consumption require them to be connected to other devices when performing computationally intensive tasks, as happens with IoT ... -
A Collaborative Augmented Reality Application for Training and Assistance during Shipbuilding Assembly Processes
(MDPI AG, 2020-08-18)[Abstract] This paper presents the development of a novel Microsoft HoloLens collaborative application that allows shipyard operators to interact with a virtual clutch during its assembly in a real Turbine workshop. Such ... -
A Comparative Study of Low Cost Open Source EEG Devices
(MDPI AG, 2019-08-05)[Abstract] A comparison of two open source electroencephalography devices designed to acquire signals associated to the brain activity is presented in this work. The experiments are developed considering the task of ... -
A Comparison of Optimization Techniques for Power Patterns with Low Sidelobes Generated by Linear Arrays with Efficient Excitation Distributions
(John Wiley & Sons, Inc., 2005-04-05)[Abstract] Equispaced linear arrays that have uniformly excited central elements and monotonically decreasing flanking segments have been shown to yield low-sidelobe patterns with specified constraints on the effective ... -
A cost-effective IoT system for monitoring Indoor radon gas concentration
(M D P I AG, 2018-07-08)[Abstract] Radon is a noble gas originating from the radioactive decay chain of uranium or thorium. Most radon emanates naturally from the soil and from some building materials, so it can be found in many places around the ... -
A Deep Learning-Based Strategy to Predict Self-Interference in SFN DTT
(MDPI, 2021)[Abstract] A deep learning-based strategy for the analysis of the self-interference in single frequency networks (SFNs) for digital terrestrial television (DTT) broadcasting is considered. Several laboratory measurements ... -
A Fog Computing and Cloudlet Based Augmented Reality System for the Industry 4.0 Shipyard
(MDPI AG, 2018)[Abstract] Augmented Reality (AR) is one of the key technologies pointed out by Industry 4.0 as a tool for enhancing the next generation of automated and computerized factories. AR can also help shipbuilding operators, ... -
A fog computing based cyber-physical system for the automation of pipe-related tasks in the Industry 4.0 shipyard
(M D P I AG, 2018-06-17)[Abstract] Pipes are one of the key elements in the construction of ships, which usually contain between 15,000 and 40,000 of them. This huge number, as well as the variety of processes that may be performed on a pipe, ... -
A low-cost decision-aided channel estimation method for Alamouti OSTBC
(Springer, 2013-11)[Abstract] In wireless communication systems, channel state information (CSI) acquisition is typically performed at the receiver side every time a new frame is received, without taking into account whether it is really ... -
A MATLAB Interface for Analyzing Conformal Arrays Composed of Polarized Heterogeneous Elements
(Institute of Electrical and Electronics Engineers, 2011-10)[Abstract] As an extension and improvement of a previous work, this paper presents a graphical interface designed with MATLAB®, which is capable of representing both the spatial and electrical configurations of a conformal ... -
A MATLAB Tool for Visualizing the 3D Polar Power Patterns and Excitations of Conformal Arrays
(Institute of Electrical and Electronics Engineers, 2010-08)[Abstract] This paper describes the implementation of a MATLAB® tool to plot the three-dimensional polar radiation diagram generated by a conformal antenna array. A related tool has also been developed for visualizing the ... -
A Novel Hybrid Approach to Improve Performance on Frequency Division Duplex Systems with Linear Precoding
(Springer, 2010)[Abstrtact] Linear precoding is an attractive technique to combat interference in multiple-input multiple-output systems because it reduces costs and power consumption in the receiver equipment. Most of the frequency ... -
A Novel Strategy for Improving the Quality of Embedded Zerotree Wavelet Images Transmitted over Alamouti Coding Systems
(Springer, 2011)[Abstract] This work deals with the transmission of images, previously coded using the Embedded Zerotree Wavelet (EZW) transform, over wireless systems in which Space-Time Coding (STC) is used. It is shown how the system ... -
A plug-and-play human-centered virtual TEDS architecture for the web of things
(M D P I AG, 2018-06-27)[Abstract] This article presents a Virtual Transducer Electronic Data Sheet (VTEDS)-based framework for the development of intelligent sensor nodes with plug-and-play capabilities in order to contribute to the evolution ... -
A Practical Evaluation of a High-Security Energy-Efficient Gateway for IoT Fog Computing Applications
(M D P I AG, 2017-08-29)[Abstract] Fog computing extends cloud computing to the edge of a network enabling new Internet of Things (IoT) applications and services, which may involve critical data that require privacy and security. In an IoT fog ... -
A practical evaluation on RSA and ECC-based cipher suites for IoT high-security energy-efficient Fog and mist computing devices
(M D P I AG, 2018-11-10)[Abstract] The latest Internet of Things (IoT) edge-centric architectures allow for unburdening higher layers from part of their computational and data processing requirements. In the specific case of fog computing systems, ... -
A Prototype of EEG System for IoT
(World Scientific Publishing Co. Pte. Ltd., 2020-05-04)[Abstract] In this work, we develop open source hardware and software for eye state classification and integrate it with a protocol for the Internet of Things (IoT). We design and build the hardware using a reduced number ... -
A Review on Internet of Things for Defense and Public Safety
(Multidisciplinary Digital Publishing Institute, 2016)[Abstract], The Internet of Things (IoT) is undeniably transforming the way that organizations communicate and organize everyday businesses and industrial procedures. Its adoption has proven well suited for sectors that ... -
A Review on IoT Deep Learning UAV Systems for Autonomous Obstacle Detection and Collision Avoidance
(M D P I AG, 2019-09-14)[Abstract] Advances in Unmanned Aerial Vehicles (UAVs), also known as drones, offer unprecedented opportunities to boost a wide array of large-scale Internet of Things (IoT) applications. Nevertheless, UAV platforms still ...
