Listar Grupo de Tecnoloxía Electrónica e Comunicacións (GTEC) por título
Mostrando ítems 137-156 de 229
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Image Transmission: Analog or Digital?
(M D P I AG, 2018-09-18)[Abstract] Evaluation and comparison of analog and digital wireless transmission systems. -
Impact of Time-Modulated Arrays on the BER of Linear Digital Modulations
(Taylor & Francis, 2015-08-21)[Abstract] Time modulation provides a simple way to control the power radiation pattern of an antenna array. By appropriately selecting the parameters of a Time-Modulated Array (TMA) it is possible to obtain a reconfigurable ... -
Implementación de una suite gráfica para reforzar el aprendizaje en representación de contenido multimedia
(2019)[Resumen]: Las prácticas de las asignaturas en los grados de Ingeniería Informática se diseñan habitualmente para que los estudiantes formulen y construyan la solución a un determinado problema usando algún lenguaje de ... -
Inductive loops for traffic control
(2015-09)Inductive Loop Detectors (ILDs) are the most commonly used sensors in traffic management systems. This work provides a system capable of obtaining simultaneous inductive signatures of vehicles traveling on a roadway with ... -
Intelligent Reflective Surfaces for Wireless Networks: An Overview of Applications, Approached Issues, and Open Problems
(MDPI, 2021)[Abstract] An intelligent reflective surface (IRS) is a novel and revolutionizing communication technology destined to enable the control of the radio environment. An IRS is a real-time controllable reflectarray with a ... -
Interference Alignment Testbeds
(Institute of Electrical and Electronics Engineers, 2017)[Abstract]: Interference alignment has triggered high impact research in wireless communications since it was proposed nearly 10 years ago. However, the vast majority of research is centered on the theory of interference ... -
Isolation Number versus Domination Number of Trees
(MDPI, 2021-06)[Abstract] If 𝐺 = (Vɢ,Eɢ) is a graph of order n, we call 𝑆 ⊆ Vɢ an isolating set if the graph induced by Vɢ − Nɢ[𝑆] contains no edges. The minimum cardinality of an isolating set of 𝐺 is called the isolation number of ... -
JSCC-Cast: A Joint Source Channel Coding Video Encoding and Transmission System with Limited Digital Metadata
(MDPI, 2021)[Abstract] This work considers the design and practical implementation of JSCC-Cast, a comprehensive analog video encoding and transmission system requiring a reduced amount of digital metadata. Suitable applications for ... -
Lattice-Based Analog Mappings for Low-Latency Wireless Sensor Networks
(Institute of Electrical and Electronics Engineers, 2023-10-01)[Abstract]: We consider the transmission of spatially correlated analog information in a wireless sensor network (WSN) through fading single-input and multiple-output (SIMO) multiple access channels (MACs) with low-latency ... -
LoRaWAN and Blockchain based Safety and Health Monitoring System for Industry 4.0 Operators
(M D P I AG, 2019-11-14)[Abstract] The latest advances in the different Industry 4.0 technologies have enabled the automation and optimization of complex tasks of production processes thanks to their ability to monitor and track the state of ... -
Low-Complexity Distance-Based Scheduling for Multi-User XL-MIMO Systems
(IEEE, 2021-11)[Abstract]: 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 ... -
Low-Complexity Near-Optimal Decoding for Analog Joint Source Channel Coding Using Space-Filling Curves
(Institute of Electrical and Electronics Engineers, 2013-04)[Abstract]: Analog Joint Source-Channel Coding (JSCC) is a communication strategy that does not follow the separation principle of conventional digital systems but approaches the optimal distortion-cost tradeoff over AWGN ... -
Matrix Pseudo-Inversion Technique for Diagnostics of Planar Arrays
(The Institution of Engineering and Technology, 2005-01-06)[Abstract] It is shown, by means of numerical simulation, that the Moore-Penrose pseudoinverse of a matrix taken from an overdetermined system can be applied to retrieve the excitation distribution of a planar array of ... -
Measurement Effects on Ø-Symmetric Shaped Patterns Generated by Circular Continuous Apertures
(Institute of Electrical and Electronics Engineers, 2003-10)[Abstract] Sidelobe-level and ripple behaviors of Ø-symmetric shaped patterns, generated by circular, real and complex, continuous Taylor distributions, is analyzed as a function of measurement distances. This paper reveals ... -
Measurement-Based Characterization of Train-to-Infrastructure 2.6 GHz Propagation Channel in a Modern Subway Station
(Institute of Electrical and Electronics Engineers, 2018)[Abstract]: Channel characterization is essential when planning wireless communication deployments. We consider the wireless channel characterization in a modern subway station and its corresponding entrance tunnel, a topic ... -
Measuring the physical layer performance of wireless communication systems: Part 33 in a series of tutorials on instrumentation and measurement
(Institute of Electrical and Electronics Engineers & Instrumentation and Measurement Society, 2011-10)[Abstract]: Measuring the physical layer performance of wireless radio communication systems is one important step in clearly understanding their behavior in real-world, that is, non-simulation, environments. Unfortunately, ... -
Mist and Edge Computing Cyber-Physical Human-Centered Systems for Industry 5.0: A Cost-Effective IoT Thermal Imaging Safety System
(MDPI, 2022-11)[Abstract]: While many companies worldwide are still striving to adjust to Industry 4.0 principles, the transition to Industry 5.0 is already underway. Under such a paradigm, Cyber-Physical Human-centered Systems (CPHSs) ... -
Mobile Application for Analysing the Development of Motor Skills in Children
(MDPI AG, 2020-08-26)[Abstract] This work presents a mobile application to complement and reinforce the specific physical activities in children through training prior to such activities and monitoring their progress after it. This experiment ... -
Moving to e-Service Learning in Higher Education
(MDPI, 2022)[Abstract] Service Learning is a methodology in which students achieve academic and transversal competences related to the curriculum of a subject while performing a service for the benefit of the community. With the ... -
Multi-Sensor Accurate Forklift Location and Tracking Simulation in Industrial Indoor Environments
(M D P I AG, 2019-10-12)[Abstract] Location and tracking needs are becoming more prominent in industrial environments nowadays. Process optimization, traceability or safety are some of the topics where a positioning system can operate to improve ...