Lorente Giner, Jorge; Ferrer Contreras, Miguel; Belloch Rodríguez, José Antonio; Piñero, Gema; Diego Antón, María de; Gonzalez, Alberto; Vidal Maciá, Antonio Manuel(Instituto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), 2012)
[EN] Graphics Processing Units (GPUs) have been recently used as coprocessors capable of performing tasks that are not necessarily related to graphics processing in order to optimize computing resources. The use of GPUs ...
Belloch Rodríguez, José Antonio; Gonzalez, Alberto; Martínez Zaldívar, Francisco José; Vidal Maciá, Antonio Manuel(Springer Verlag (Germany), 2011-12)
[EN] Massive convolution is the basic operation in multichannel acoustic signal processing. This field has experienced a major development in recent years. One reason for this has been the increase in the number of sound ...
Alvarruiz Bermejo, Fernando(Universitat Politècnica de València, 2016-03-14)
[EN] Computer simulation of water distribution networks by means of mathematical models is nowadays an indispensable tool for the design and exploitation of those networks. Simulation is used not only for the design of new ...
Puig Borrás, Vicente(Universitat Politècnica de València, 2011-07-28)
En la presente tesis se realiza un estudio de todo el proceso de una comunicación
en un sistema MIMO, desde la estimación de las condiciones del canal, hasta la decodificación de la señal, utilizando algoritmos de ...
Simarro, M. Angeles; García Mollá, Víctor Manuel; Vidal Maciá, Antonio Manuel; Martínez Zaldívar, Francisco José; Gonzalez, Alberto(Elsevier, 2018)
[EN] Achieving optimal detection performance with low complexity is
one of the major challenges, mainly in multiple-input multiple-output
(MIMO) detection. This paper presents three low-complexity Soft-Output
MIMO detection ...
Ganchev, Galimir(Universitat Politècnica de València, 2012-07-16)
The task of the project is to develop a software program, with which different code's efficiency can be tested. This software will be open-source testing program. After running the program the code will be tested by forming ...
Vidal Maciá, Antonio Manuel; Alonso-Jordá, Pedro(Elsevier, 2012-11-01)
More than 20 years ago, Rojo published [1] an algorithm for solving linear systems where the matrix is tridiagonal symmetric Toeplitz and diagonal dominant. The technique proposed by Rojo is very efficient, O(n), and has ...
Belloch Rodríguez, José Antonio; Bank, Balazs; Igual Peña, Francisco Daniel; Quintana Ortí, Enrique Salvador; Vidal Maciá, Antonio Manuel(Springer Verlag (Germany), 2017-01)
TheWeighted Least Squares algorithm (WLS) is applied to numerous optimization
problems, but requires the use of high computational resources, especially
when complex arithmetic is involved. This work aims to accelerate ...
Vidal Pantaleoni, Ana(Universitat Politècnica de València, 2013-07-08)
La mejora en términos de e¿ciencia en problemas de análisis de dispositivos pasivos de microondas y la dispersión de objetos es un tema
de creciente interés. Pese a que el avance de la tecnología de computadores permite ...
García Mollá, Víctor Manuel; Gonzalez, Alberto; González García, Cristina Yenixe; Martínez Zaldívar, Francisco José; Ramiro Sánchez, Carla; Roger Varea, Sandra; Vidal Maciá, Antonio Manuel(Instittuto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), 2011)
[EN] This paper presents a meaningful practical performance comparison between the last generation
of Graphics Processing Units (GPUs) and the last generation multi-core CPUs when they are
used to solve given Signal ...
Alonso-Jordá, Pedro; Vidal Maciá, Antonio Manuel(Springer-Verlag, 2005)
[EN] Many algorithms exist that exploit the special structure of
Toeplitz matrices for solving linear systems. Nevertheless, these algorithms
are difficult to parallelize due to its lower computational cost and
the great ...
Martínez Zaldívar, Francisco José; Vidal Maciá, Antonio Manuel; González Salvador, Alberto; Almenar Terré, Vicenç(Springer Verlag (Germany), 2011-12)
[EN] In this paper, we describe a parallel algorithm for LDPC (Low Density Parity Check codes) decoding on a GPU (Graphics Processing Unit) using CUDA (Compute Unified Device Architecture). The strategy of the kernel grid ...
López Espín, José Juan; Vidal Maciá, Antonio Manuel; Giménez ., Domingo(Elsevier, 2012-09)
This paper analyzes the solution of simultaneous equations models. Efficient algorithms for the two-stage least squares method using QR-decomposition are developed and studied. The reduction of the execution time when the ...
San Juan Sebastián, Pablo; Vidal Maciá, Antonio Manuel; García Mollá, Víctor Manuel(Elsevier, 2016-12-08)
The Non-Negative Matrix Factorization (NNMF) is a recent numerical tool that, given a nonnegative
data matrix, tries to obtain its factorization as the approximate product of two
nonnegative matrices. Nowadays, this ...