García Mollá, Víctor Manuel; Vidal Maciá, Antonio Manuel; González Salvador, Alberto; Roger Varea, Sandra(Elsevier, 2014-05)
Sphere Decoding is a popular Maximum Likelihood algorithm that can be used to detect
signals coming from multiple-input, multiple-output digital communication systems. It is
well known that the complexity required to ...
Zuccarello, Pedro Diego(Universitat Politècnica de València, 2011-10-19)
This master tesis deals with the problem of image retrieval from large image databases. A
particularly interesting problem is the retrieval of all images which are similar to one in the user's mind,
taking into account ...
Simarro, M. Angeles; García Mollá, Víctor Manuel; Martínez Zaldívar, Francisco José; Gonzalez, Alberto(IEEE, 2020-09-03)
[EN] Generalized Spatial Modulation (GSM) is a trans-mission technique used in wireless communications in which only part of the transmitter antennas are activated during each time signaling period. A low complexity Sphere ...
Simarro, M. Angeles; García Mollá, Víctor Manuel; Martínez Zaldívar, Francisco José; Gonzalez, Alberto(Elsevier, 2022-07)
[EN] Generalized Spatial Modulation (GSM) is a recent Multiple-Input Multiple-Output (MIMO) scheme, which achieves high spectral and energy efficiencies. Specifically, soft-output detectors have a key role in achiev-ing ...
García Mollá, Víctor Manuel; Martínez Zaldívar, Francisco José; Simarro, M. Angeles; Gonzalez, Alberto(Elsevier, 2020-10)
[EN] Hard-Output Maximum Likelihood (ML) detection for Generalized Spatial Modulation (GSM) systems involves obtaining the ML solution of a number of different MIMO subproblems, with as many possible antenna configurations ...
García Mollá, Víctor Manuel; Simarro Haro, Mª de los Angeles; Martínez Zaldívar, Francisco José; González Salvador, Alberto; Vidal Maciá, Antonio Manuel(Elsevier, 2016-08)
This paper focuses on the improvement of known algorithms for maximum likelihood
soft-output detection. These algorithms usually have large computational complexity, that
can be reduced by using clipping. Taking two ...
Ramiro Sánchez, Carla(Universitat Politècnica de València, 2015-07-30)
[EN] Nowadays, several communication standards are emerging and evolving, searching
higher transmission rates, reliability and coverage. This expansion is
primarily driven by the continued increase in consumption of mobile ...
Ramiro Sánchez, Carla; Vidal Maciá, Antonio Manuel; Gonzalez, Alberto(Springer, 2015-02)
This paper presents MIMOPack, a set of optimized functions to perform
some of themost complex stages in multiple-input multiple-output (MIMO) communication
systems such as channel coding, preprocessing, precoding and ...
This paper presents a new application of independent component analysis mixture modeling (ICAMM) for prediction of electroencephalographic (EEG) signals. Demonstrations in prediction of missing EEG data in a working memory ...
Ferrer Contreras, Miguel; Diego Antón, María de; Hassani, Amin; Moonen, Marc; Piñero, Gema; Gonzalez, Alberto(Institute of Electrical and Electronics Engineers, 2022)
[EN] In this work we propose a multi-channel active noise equalizer (ANE) that can deal with multi-frequency noise signals and assigns simultaneously different equalization gains to each frequency component at each monitoring ...
Belloch Rodríguez, José Antonio; Gonzalez, Alberto; Martínez Zaldívar, Francisco José; Vidal Maciá, Antonio Manuel(IOS Press, 2013-03)
[EN] Multichannel acoustic signal processing has undergone major development in recent years due to the increased com- plexity of current audio processing applications, which involves the processing of multiple sources, ...
Ramiro Sánchez, Carla; Roger Varea, Sandra; Gonzalez, Alberto; Almenar Terré, Vicenç; Vidal Maciá, Antonio Manuel(Springer-Verlag, 2013)
[EN] Multicore systems allow the efficient implementation of signal processing algorithms for communication systems due to their high parallel processing capabilities. In this paper, we present a high-throughput multicore ...
Belloch, José A.; Badía, José M.; Larios, Diego F.; Personal, Enrique; Ferrer Contreras, Miguel; Fuster Criado, Laura; Lupoiu, Mihaita; Gonzalez, Alberto; León, Carlos; Vidal, Antonio M.; Quintana-Ortí, Enrique S.(Springer-Verlag, 2021-07)
[EN] Many current system-on-chip (SoC) devices are composed of low-power multicore
processors combined with a small graphics accelerator (or GPU) offering a trade-off between computational capacity and low-power consumption. ...
Belloch Rodríguez, José Antonio; Gonzalez, Alberto; Vidal Maciá, Antonio Manuel; Cobos Serrano, Máximo(Elsevier, 2015-08-01)
Sound source localization is an important topic in expert systems involving microphone arrays, such as automatic camera steering systems, human-machine interaction, video gaming or audio surveillance. The Steered Response ...
Belloch Rodríguez, José Antonio; Badia Contelles, J. M.; Igual Peña, Francisco Daniel; Gonzalez, Alberto; Quintana Ortí, Enrique Salvador(Institute of Electrical and Electronics Engineers, 2017-11)
[EN] Numerous signal processing applications are emerging on both mobile and high-performance computing systems. These applications are subject to responsiveness constraints for user interactivity and, at the same time, ...
García Mollá, Víctor Manuel; Simarro, M. Angeles; Martínez Zaldívar, Francisco José; Boratto, Murilo; Alonso-Jordá, Pedro; Gonzalez, Alberto(Springer-Verlag, 2022-04)
[EN] Generalized Spatial Modulation is a recently developed technique that is designed to enhance the efficiency of transmissions in MIMO Systems. However, the procedure for correctly retrieving the sent signal at the ...
Jozsa, Csaba M; Kolumban, Geza; Vidal Maciá, Antonio Manuel; Martínez Zaldívar, Francisco José; González Salvador, Alberto(Wiley, 2015-12-10)
Multiple-input multiple-output (MIMO) systems have attracted considerable attention in wireless communications
because they offer a significant increase in data throughput and link coverage without additional
bandwidth ...
Ramiro Sánchez, Carla; Simarro, M. Angeles; Gonzalez, Alberto; Vidal Maciá, Antonio Manuel(Springer-Verlag, 2019-03)
[EN] The number of transmit and receiver antennas is an important factor that affects the performance and complexity of a MIMO system. A MIMO system with very large number of antennas is a promising candidate technology ...
Belloch Rodríguez, José Antonio(Universitat Politècnica de València, 2014-10-06)
Multichannel acoustic signal processing has undergone major development
in recent years due to the increased complexity of current audio processing
applications. People want to collaborate through communication with ...
Molés-Cases, Vicent; Piñero, Gema; Diego Antón, María de; Gonzalez, Alberto(Institute of Electrical and Electronics Engineers, 2020)
[EN] Personal Sound Zones (PSZ) systems aim to render independent sound signals to multiple listeners within a room by using arrays of loudspeakers. One of the algorithms used to provide PSZ is Weighted Pressure Matching ...