Listar por autor "Castro-Castro, Paula-María"

Mostrando ítems 21-40 de 56

    • Eye State Detection Using Frequency Features from 1 or 2-Channel EEG 

      Laport López, Francisco; Dapena, Adriana; Castro-Castro, Paula-María; Iglesia, Daniel I.; Vázquez Araújo, Francisco Javier (World Scientific Publishing, 2023)
      [Abstract]: Brain–computer interfaces (BCIs) establish a direct communication channel between the human brain and external devices. Among various methods, electroencephalography (EEG) stands out as the most popular choice ...

    • Eye State Identification Based on Discrete Wavelet Transforms 

      Laport López, Francisco; Castro-Castro, Paula-María; Dapena, Adriana; Vázquez Araújo, Francisco Javier; Fresnedo, Óscar (MDPI, 2021)
      [Abstract]: We present a prototype to identify eye states from electroencephalography signals captured from one or two channels. The hardware is based on the integration of low-cost components, while the signal processing ...

    • FDD Channel Estimation Via Covariance Estimation in Wideband Massive MIMO Systems 

      González-Coma, José P.; Suárez-Casal, Pedro; Castro-Castro, Paula-María; Castedo, Luis (M D P I AG, 2020-02-10)
      [Abstract] A method for channel estimation in wideband massive Multiple-Input Multiple-Output systems using hybrid digital analog architectures is developed. The proposed method is useful for Frequency-Division Duplex at ...

    • Herramientas útiles para una experiencia de aprendizaje y servicio virtual. Una nueva forma social de aprendizaje 

      Ares-Pernas, Ana; Dapena, Adriana; Castro-Castro, Paula-María (Universidade da Coruña, Servizo de Publicacións, 2021)
      [Resumen] En este trabajo se presentan herramientas metodológicas que permitieron continuar las experiencias de aprendizaje-servicio en modalidad online durante la crisis producida por la COVID-19. Las experiencias fueron ...

    • 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 ...

    • 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) ...

    • Incorporación de Trabajos Fin de Grado breves en la docencia 

      Dapena, Adriana; Castro-Castro, Paula-María; Vázquez Araújo, Francisco Javier; Laport López, Francisco (Universidade da Coruña, Cufie, 2019)
      [Resumen] Los autores de esta ponencia participamos de forma activa tanto en la dirección de Trabajos Fin de Grado (TFG) como en los tribunales que los evalúan. Nuestra experiencia nos indica que, en general, los estudiantes ...

    • Inductive loops for traffic control 

      Lamas-Seco, José J.; Castro-Castro, Paula-María; Dapena, Adriana; Vázquez Araújo, Francisco Javier (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 ...

    • Mobile Application for Analysing the Development of Motor Skills in Children 

      Moreno-Naya, David; Vázquez Araújo, Francisco Javier; Castro-Castro, Paula-María; Vivas-Costa, Jamile; Dapena, Adriana; González Doniz, Luz (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 

      Dapena, Adriana; Castro-Castro, Paula-María; Ares-Pernas, Ana (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 ...

    • New Computation of Resolving Connected Dominating Sets in Weighted Networks 

      Dapena, Adriana; Iglesia, Daniel I.; Vázquez Araújo, Francisco Javier; Castro-Castro, Paula-María (M D P I AG, 2019-11-29)
      [Abstract] In this paper we focus on the issue related to finding the resolving connected dominating sets (RCDSs) of a graph, denoted by G. The connected dominating set (CDS) is a connected subset of vertices of G selected ...

    • O modelado e a simulación como recursos para a aprendizaxe 

      Castro-Castro, Paula-María; Dapena, Adriana; Pereira Sáez, María José; Vázquez Araújo, Francisco Javier (Universidade da Coruña, Cufie, 2018)
      [Resumo] A combinación da aprendizaxe visual e conceptual é máis efectiva que o modelo tradicional de aprendizaxe, onde as definicións, os teoremas, as demostracións ou os exercicios se presentan nas clases dun xeito ...

    • 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 ...

    • PICTOTEMPO: An App for Personal Organization in Autism Spectrum Disorders 

      Vila-Muñoz, Noé; Castro-Castro, Paula-María; Fresnedo, Óscar (MDPI, 2021)
      [Abstract] In this work, we develop a mobile application which allows to create digital schedules for children with autism spectrum disorder. These schedules comprise a sorted sequence of tasks or activities which facilitates ...

    • PreLectO: An App for Cognitive Stimulation through Games in Early Childhood 

      Nogueiras, Pedro; Castro-Castro, Paula-María; Dapena, Adriana (MDPI, 2021)
      [Abstract] The goal of this work was to develop a mobile application for Android devices, with the objective of stimulating the cognitive skills of children from 0 to 6 years old who are suffering from learning disabilities, ...

    • Proposals and Comparisons from One-Sensor EEG and EOG Human-Machine Interfaces 

      Laport López, Francisco; Iglesia, Daniel I.; Dapena, Adriana; Castro-Castro, Paula-María; Vázquez Araújo, Francisco Javier (MDPI AG, 2021-03-22)
      [Abstract] Human-Machine Interfaces (HMI) allow users to interact with different devices such as computers or home elements. A key part in HMI is the design of simple non-invasive interfaces to capture the signals associated ...

    • QoS constrained power minimization in the MISO broadcast channel with imperfect CSI 

      González-Coma, José P.; Joham, Michael; Castro-Castro, Paula-María; Castedo, Luis (Elsevier, 2017-02)
      [Abstract]: In this paper we consider the design of linear precoders and receivers in a Multiple-Input Single-Output (MISO) Broadcast Channel (BC). We aim to minimize the transmit power while meeting a set of per-user ...

    • QoS constrained power minimization in the multiple stream MIMO broadcast channel 

      González-Coma, José P.; Joham, Michael; Castro-Castro, Paula-María; Castedo, Luis (Elsevier, 2018-02)
      [Abstract]: This work addresses the design of optimal linear transmit filters for the Multiple Input-Multiple Output (MIMO) Broadcast Channel (BC) when several spatial streams are allocated to each user. We further consider ...

    • Reinforcement and Homework Control for Children with ASD using a Mobile Application for Apple Watch 

      Vila-Muñoz, Noé; Castro-Castro, Paula-María; Dapena, Adriana (Universidade da Coruña, Servizo de Publicacións, 2023)
      [Abstract] The article shows the design and development of a pair of mobile applications for Apple Watch and iPhone devices to reinforce and control tasks for children with autism disorders. This work takes advantage of ...

    • 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 ...