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Now showing items 11-20 of 149

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Hybrid Channel Estimation Strategy for MIMO Systems with Decision Feedback Equalizer 

Pérez-Iglesias, Héctor J.; Dapena, Adriana; Castro-Castro, Paula-María; García-Naya, José A. (Springer, 2010)
[Abstract] We propose to combine supervised and unsupervised algorithms in order to improve the performance of multiple-input multiple-output digital communication systems which make use of differential feedback equalizers ...
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Utilization of Blind Source Separation Algorithms for MIMO Linear Precoding 

Castro-Castro, Paula-María; Pérez-Iglesias, Héctor J.; Dapena, Adriana; Castedo, Luis (Springer, 2006)
[Abstract] In this paper we investigate the application of Blind Source Separation (BSS) algorithms for the decoding of linearly precoded MIMO communication systems and for the design of limited feedback channels that send ...
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Aplicación web para evaluación y seguimiento del rendimiento de asignaturas y titulaciones universitarias 

Dapena, Adriana; García-Naya, José A.; Castro-Castro, Paula-María; Pan, Christopher (Universidade de Vigo, Facultade de Ciencias da Educacion, 2010)
[Summary] The adaptation of the university studies to the current European Higher Education Area (EHEA) requires the set up of mechanisms, which allow performance evaluation of the subjects compounding the new university ...
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A low-cost decision-aided channel estimation method for Alamouti OSTBC 

Castro-Castro, Paula-María; Dapena, Adriana; García-Naya, José A.; Labrador, Josmary (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 ...
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Robust Precoding with Limited Feedback Design based on Precoding MSE for MU-MISO Systems 

Joham, Michael; Castro-Castro, Paula-María; Utschick, Wolfgang; Castedo, Luis (Institute of Electrical and Electronics Engineers, 2012-06)
[Abstract] For the separation of the signals in the vector broadcast channel (BC), some information about the channel state is necessary at the transmitter. In many cases, this channel state information (CSI) must be fed ...
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Performance of MIMO systems in measured indoor channels with transmitter noise 

Castro-Castro, Paula-María; González-Coma, José P.; García-Naya, José A.; Castedo, Luis (Springer, 2012)
This study analyzes the impact of transmitter noise on the performance of multiple-input multiple-output (MIMO) systems with linear and nonlinear receivers and precoders. We show that the performance of MIMO linear and ...
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A Practical Evaluation of a High-Security Energy-Efficient Gateway for IoT Fog Computing Applications 

Suárez-Albela, Manuel; Fernández-Caramés, Tiago M.; Fraga-Lamas, Paula; Castedo, Luis (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 ...
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A fog computing based cyber-physical system for the automation of pipe-related tasks in the Industry 4.0 shipyard 

Fernández-Caramés, Tiago M.; Fraga-Lamas, Paula; Suárez-Albela, Manuel; Díaz Bouza, Manuel A. (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, ...
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A practical evaluation on RSA and ECC-based cipher suites for IoT high-security energy-efficient Fog and mist computing devices 

Suárez-Albela, Manuel; Fraga-Lamas, Paula; Fernández-Caramés, Tiago M. (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, ...
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Transmission of Still Images Using Low-Complexity Analog Joint Source-Channel Coding 

Balsa, José; Domínguez-Bolaño, Tomás; Fresnedo, Óscar; García-Naya, José A.; Castedo, Luis (M D P I AG, 2019-07-03)
[Abstract] An analog joint source-channel coding (JSCC) system designed for the transmission of still images is proposed and its performance is compared to that of two digital alternatives which differ in the source encoding ...
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AuthorFernández-Caramés, Tiago M. (49)Fraga-Lamas, Paula (49)Castedo, Luis (37)Castro-Castro, Paula-María (35)Brégains, Julio (34)Dapena, Adriana (33)García-Naya, José A. (29)Ares Pena, F. J. (25)Moreno Piquero, E. (16)Vázquez Araújo, Francisco Javier (13)... View MoreSubjectIoT (23)Antenna radiation patterns (18)Industry 4.0 (14)Antenna arrays (13)Blockchain (11)Fog computing (10)Linear antenna arrays (9)Wireless sensor networks (8)Augmented reality (6)Edge computing (6)... View MoreDate Issued2020 - 2022 (52)2010 - 2019 (67)2002 - 2009 (26)
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