Ramiro Sánchez, Carla; Simarro Haro, Mª de los Angeles; Martínez Zaldívar, Francisco José; Vidal Maciá, Antonio Manuel; Gonzalez, Alberto(Springer Verlag, 2014-11)
Iterative detection and decoding in communication systems with multiple transmitter and receiver antennas suffer from a significant increase in the computational cost and energy consumption. Nowadays, application of specific ...
High spectral efficiency can be achieved in the downlink of multi-antenna coordinated multi-point systems provided that the multiuser interference is appropriately managed at the transmitter side. For this sake, downlink ...
Ferrer Contreras, Miguel; Diego Antón, María de; Piñero Sipán, María Gemma; González Salvador, Alberto(Elsevier, 2015-02)
This paper presents the implementation of Active Noise Control (ANC) systems over a network of distributed acoustic nodes. For this purpose we define a general acoustic node consisting of one or several microphones and one ...
Lorente Giner, Jorge(Universitat Politècnica de València, 2015-12-02)
[EN] The field of audio signal processing has undergone a major development in recent years. Both the consumer and professional marketplaces continue to show growth in audio applications such as immersive audio schemes ...
García Mollá, Víctor Manuel; Liberos Mascarell, Alejandro; Vidal Maciá, Antonio Manuel; Guillem Sánchez, María Salud; Millet Roig, José; González Salvador, Alberto; Martínez Zaldívar, Francisco José; Climent, Andreu M.(Elsevier, 2014-02)
In this paper we studied the implementation and performance of adaptive step methods for large
systems of ordinary differential equations systems in graphics processing units, focusing on the
simulation of three-dimensional ...
Gonzalez, Alberto; Ferrer Contreras, Miguel; Diego Antón, María de; Piñero Sipán, María Gemma(Elsevier, 2012-07)
It is known that the performance of adaptive algorithms is constrained by their computational cost. Thus, affine projection adaptive algorithms achieve higher convergence speed when the projection order increases, which ...
Roger Varea, Sandra; Gonzalez, Alberto; Almenar Terré, Vicenç; Matz, Gerald(Institute of Electrical and Electronics Engineers (IEEE), 2012-11)
In practical multiple-input multiple-output bit-interleaved-coded-modulation (MIMO-BICM) systems, demodulators have to deliver finite word-length (quantized) log-likelihood-ratios (LLRs). In this letter, we propose an ...
Roger Varea, Sandra; Ramiro Sánchez, Carla; González Salvador, Alberto; Almenar Terré, Vicenç; Vidal Maciá, Antonio Manuel(IOS Press, 2012)
The use of many-core processors such as general purpose Graphic Processing Units (GPUs) has recently become attractive for the efficient implementation of signal processing algorithms for communication systems. This is due ...
[EN] This paper presents a method for assessment of historic structures based on the fusion of data from ground-penetrating radar (GPR), ultrasound, and impact-echo testing. The method consists of the following ...
Antoñanzas-Manuel, Christian; Ferrer Contreras, Miguel; Diego Antón, María de; Gonzalez, Alberto(MDPI, 2016-05)
This work presents a practical active noise control system composed of distributed and collaborative acoustic nodes. To this end, experimental tests have been carried out in a listening room with acoustic nodes equipped ...
Domene Oltra, Fernando; Piñero Sipán, María Gemma; Diego Antón, María de; Gonzalez, Alberto(Institute of Electrical and Electronics Engineers (IEEE), 2015-09)
Multiuser multiple-input-multiple-output (MUMIMO) techniques, such as scheduling and precoding, have shown to improve the spectral efficiency of wireless communication systems. However, these techniques require an accurate ...
Salvo Gutiérrez, David(Universitat Politècnica de València, 2020-10-19)
[ES] En este TFM se presenta un clasificador de sonidos urbanos con una CNN empleando dispositivos de bajo coste. Se emplea una red neuronal CNN para clasificar los eventos, y se implementa el modelo en un dispositivo de ...
Simarro, M. Angeles; Puig, Beatriz; Martínez Zaldívar, Francisco José; Gonzalez, Alberto(Elsevier, 2018-10)
[EN] Applying Multiple-Input Multiple-Output (MIMO) techniques in satellite communications can increase data rates. However, new signal processing elements have to be taken into account to fully exploit the expected ...
Antoñanzas-Manuel, Christian; Ferrer Contreras, Miguel; Diego Antón, María de; Gonzalez, Alberto(John Wiley & Sons, 2017-12-05)
[EN] This paper considers the effect of effort constraints on the behavior of an active noise control (ANC) system over a distributed network composed of acoustic nodes. A distributed implementation can be desirable in ...
Ferrer Contreras, Miguel; Gonzalez, Alberto; Diego Antón, María de; Piñero Sipán, María Gemma(Institute of Electrical and Electronics Engineers (IEEE), 2013-01)
Adaptive filtering schemes exhibit a compromise between convergence speed and steady-state mean square error. Trying to overcome this trade-off, convex combination of adaptive filters have been recently developed for system ...
This paper proposes a nonlinear active noise control (ANC) system based on convex combination of a functional link artificial neural network (FLANN) and a Volterra filter. Simulation study reveals enhanced noise cancelation ...
Mocholí Belenguer, Ferran(Universitat Politècnica de València, 2015-02-04)
El objetivo de este trabajo será la creación de una herramienta gráfica con la cual se recree un sistema espacial de audio mediante la escucha con auriculares o altavoces. Esta inclusión de información espacial permitirá ...
Roger Varea, Sandra(Universitat Politècnica de València, 2012-07-16)
En la última década, uno de los avances tecnológicos más importantes que han hecho culminar la nueva generación de banda ancha inalámbrica es la comunicación mediante sistemas de múltiples entradas y múltiples salidas ...
Ferrer Contreras, Miguel; Gonzalez, Alberto; Diego Antón, María de; Piñero, Gemma(Institute of Electrical and Electronics Engineers, 2017)
[EN] In this paper, we present a distributed affine projection (AP) algorithm for an acoustic sensor network where the nodes are acoustically coupled. Every acoustic node is composed of a microphone, a processor, and an ...