Dipòsit Digital de Documents de la UAB 10 registres trobats  La cerca s'ha fet en 0.01 segons. 
1.
15 p, 550.1 KB GPU-oriented architecture for an end-to-end image/video codec based on JPEG2000 / de Cea Dominguez, Carlos (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Moure López, Juan Carlos (Universitat Autònoma de Barcelona. Departament d'Arquitectura de Computadors i Sistemes Operatius) ; Bartrina Rapesta, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Aulí Llinàs, Francesc (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
Modern image and video compression standards employ computationally intensive algorithms that provide advanced features to the coding system. Current standards often need to be implemented in hardware or using expensive solutions to meet the real-time requirements of some environments. [...]
2020 - 10.1109/ACCESS.2020.2985859
IEEE Access, Vol. 8 (April 2020) , p. 68474-68487
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11 p, 2.1 MB Branch line couplers with small size and harmonic suppression based on non-periodic step impedance shunt stub (SISS) loaded lines / Coromina, Jan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Bonache Albacete, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Martín, Ferran (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
This paper presents branch line couplers with compact size and harmonic suppression based on non-periodic reactively loaded artificial lines. The reactive loading elements of the lines are step impedance shunt stubs (SISSs). [...]
2020 - 10.1109/ACCESS.2020.2985569
IEEE Access, Vol. 8 (2020) , p. 67310-67320  
3.
13 p, 3.1 MB A novel rate-control for predictive image coding with constant quality / Bartrina Rapesta, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Marcellin, Michael W. (University of Arizona. Department of Electrical and Computing Engineering) ; Serra-Sagristà, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Hernández-Cabronero, Miguel (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
Predictive image coding systems yield a high-compression performance at low computational complexity, and are therefore popular in standards and prominent coding techniques for both lossless and near-lossless compression. [...]
2019 - 10.1109/ACCESS.2019.2931442
IEEE Access, Vol. 7 (July 2019) , p. 103918-103930  
4.
14 p, 8.9 MB Fast in-band position-aided beam selection in millimeter-wave MIMO / Garcia, Gabriel E. (Chalmers University of Technology. Department of Electrical Engineering) ; Garcia, Nil (Chalmers University of Technology. Department of Electrical Engineering) ; Seco Granados, Gonzalo (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ; Karipidis, Eleftherios (Ericsson Research) ; Wymeersch, Henk (Chalmers University of Technology. Department of Electrical Engineering)
Millimeter-wave (mm-wave) and massive multiple-input-multiple-output technologies appear as key enablers in future emerging wireless communication systems. Propagation in mm-wave communications is well described by geometric channel models, where a clear relation between communication and positioning arises. [...]
2019 - 10.1109/ACCESS.2019.2944579
IEEE Access, Vol. 7 (2019) , p. 142325-142338  
5.
14 p, 7.2 MB A methodology to perform air traffic complexity analysis based on spatio-temporal regions constructed around aircraft conflicts / Koca, Thimjo (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ; Piera, Miquel Angel (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ; Radanovic, Marko (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes)
One of the main missions of air traffic management is to guarantee en route safety. This safety is quantified through some minimum separation distance between pairs of flying aircraft. Current systems are human-based, i. [...]
2019 - 10.1109/ACCESS.2019.2928355
IEEE Access, Vol. 7 (July 2019) , p. 104528-104541  
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12 p, 8.2 MB Collision Avoidance Method for Self-Organizing Unmanned Aerial Vehicle Flights / Huang, Yang (College of Systems Engineering. National University of Defense Technology) ; Tang, Jun (Universitat Autònoma de Barcelona. Clúster d'Innovació Tecnològica en Gestió Aeronàutica) ; Lao, S. (College of Systems Engineering. National University of Defense Technology)
Autonomous unmanned aerial vehicle (UAV) swarm flights have been investigated widely. In the presence of a high airspace density and increasingly complex flight conditions, collision avoidance between UAV swarms is very important; however, this problem has not been fully addressed, particularly among self-organizing flight clusters. [...]
2019 - 10.1109/ACCESS.2019.2925633
IEEE Access, Vol. 7 (2019) , p. 85536-85547  
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14 p, 1.8 MB LSTM-Based Wastewater Treatment Plants Operation Strategies for Effluent Quality Improvement / Pisa, Ivan (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ; Santín López, Ignacio (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ; Morell Pérez, Antoni (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ; López Vicario, José (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ; Vilanova i Arbós, Ramon (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes)
Wastewater Treatment Plants (WWTPs) are facilities devoted to managing and reducing the pollutant concentrations present in the urban residual waters. Some of them consist in nitrogen and phosphorus derived products which are harmful for the environment. [...]
2019 - 10.1109/access.2019.2950852
IEEE Access, Vol. 7 (October 2019) , p. 159773-159786  
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12 p, 2.7 MB An Intelligent Scheduling of Non-Critical Patients Admission for Emergency Department / Bruballa Vilas, Eva ; Wong, Álvaro (Universitat Autònoma de Barcelona. Departament d'Arquitectura de Computadors i Sistemes Operatius) ; Rexachs del Rosario, Dolores Isabel (Universitat Autònoma de Barcelona. Departament d'Arquitectura de Computadors i Sistemes Operatius) ; Luque, Emilio (Universitat Autònoma de Barcelona. Departament d'Arquitectura de Computadors i Sistemes Operatius)
The combination of the progressive growth of an aging population, increased life expectancy and a greater number of chronic diseases all contribute significantly to the growing demand for emergency medical care, and thus, causing saturation in Emergency Departments (EDs). [...]
2019 - 10.1109/ACCESS.2019.2963049
IEEE Access, Vol. 8 (december 2019) , p. 9209-9220  
9.
13 p, 7.6 MB Prediction of energy consumption by checkpoint/restart in HPC / Morán, Marina (Universidad Nacional del Comahue. Facultad de Informática) ; Balladini, Javier (Universidad Nacional del Comahue. Facultad de Informática) ; Rexachs del Rosario, Dolores Isabel (Universitat Autònoma de Barcelona. Departament d'Arquitectura de Computadors i Sistemes Operatius) ; Luque, Emilio (Universitat Autònoma de Barcelona. Departament d'Arquitectura de Computadors i Sistemes Operatius)
The fault tolerance method most used today in high-performance computing (HPC) is coordinated checkpointing. This, like any other fault tolerance method, adds additional energy consumption to that of the execution of the application. [...]
2019 - 10.1109/ACCESS.2019.2919970
IEEE Access, Vol. 7 (2019) , p. 71791-71803  
10.
15 p, 2.2 MB Highly-sensitive microwave sensors based on open complementary split ring resonators (OCSRRs) for dielectric characterization and solute concentration measurement in liquids / Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Grenier, Katia (Centre national de la recherche scientifique. Laboratory of Analysis and Architecture of Systems) ; Mata Contreras, Francisco Javier (Universidad de Málaga. Departamento de Ingeniería de Comunicaciones) ; Dubuc, David (Centre national de la recherche scientifique. Laboratory of Analysis and Architecture of Systems) ; Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Differential permittivity sensors based on a pair of uncoupled microstrip lines, each one loaded with an open complementary split ring resonator (OCSRR), are proposed in this paper. The sensing principle is based on the measurement of the cross-mode insertion loss, very sensitive to asymmetric loading. [...]
2018 - 10.1109/ACCESS.2018.2867077
IEEE Access, Vol. 6 (2018) , p. 48324-48338  

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