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Detection of channel variations to improve channel estimation methods 

Dapena, Adriana; Castro-Castro, Paula-María; García-Naya, José A.; Zarzoso, Vicente (Springer, 2014-08)
[Abstract] In current digital communication systems, channel information is typically acquired by supervised approaches that use pilot symbols included in the transmit frames. Given that pilot symbols do not convey user ...
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Testbed-Assisted Learning for Digital Communications Courses 

García-Naya, José A.; Castro-Castro, Paula-María; González-López, Miguel; Dapena, Adriana (John Wiley & Sons, 2013-09)
[Abstract] We introduce testbed-assisted learning as an effective means for teaching digital communications. Laboratory teaching activities of digital communications courses benefit very much from utilizing a hardware ...
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Robust Precoding with Bayesian Error Modeling for Limited Feedback MU-MISO Systems 

Joham, Michael; Castro-Castro, Paula-María; Castedo, Luis; Wolfgang, Utschick (IEEE, 2010)
[Abstract] We consider the robust precoder design for multiuser multiple-input single-output (MU-MISO) systems where the channel state information (CSI) is fed back from the single antenna receivers to the centralized ...
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A Novel Strategy for Improving the Quality of Embedded Zerotree Wavelet Images Transmitted over Alamouti Coding Systems 

Labrador, Josmary; Castro-Castro, Paula-María; Pérez-Iglesias, Héctor J.; Dapena, Adriana (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 ...
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Hybrid Supervised-Unsupervised Channel Estimation Scheme with Dynamic Transmission of Pilots 

Dapena, Adriana; Castro-Castro, Paula-María; García-Naya, José A. (Springer, 2011-02)
[Abstract] Multiple-Input Multiple-Output (MIMO) digital communications standards typically include pilot symbols in the definition of the transmit signals with the purpose of acquiring the Channel State Information (CSI) ...
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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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Castro-Castro, Paula-María (35)
Dapena, Adriana (29)Vázquez Araújo, Francisco Javier (13)García-Naya, José A. (11)Iglesia, Daniel I. (8)Castedo, Luis (6)Laport López, Francisco (6)González-Coma, José P. (3)Lamas-Seco, José J. (3)Pérez-Iglesias, Héctor J. (3)... View MoreSubjectChannel estimation (5)Electroencephalography (4)Linear precoding (4)Blind source separation (3)Inductive loop detector (3)MIMO (3)Service-learning (3)Alamouti code (2)Beam squint (2)Complex networks (2)... View MoreDate Issued2020 - 2022 (12)2010 - 2019 (22)2006 - 2009 (1)
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