Exploració per altres contribucions "Vázquez Grau, Gregorio"
Ara es mostren els items 1-15 de 15
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Anomaly detection on large data flows
(Universitat Politècnica de Catalunya, 2015-02)
Treball Final de Grau
Accés obert[ANGLÈS] This project studies the anomaly detection problem and proposes two solution approaches for the unsupervised detection problem. These two solutions are based on the fitting of an autoregressive model and the ... -
Compressed sensing and approximate message passing for the single-pixel camera
(Universitat Politècnica de Catalunya, 2018-06)
Treball Final de Grau
Accés obertThis thesis is based on the technology of Compressed Sensing and the study of the algorithms of Approximate Message Passing for the single-pixel camera. This thesis has been developed in the institute of telecommunication ... -
Criterios de teoría de la información en procesado adaptativo de la señal y aplicaciones
(Universitat Politècnica de Catalunya, 1995-06-15)
Tesi
Accés obertEn esta tesis hemos querido básicamente considerar el diseño de funciones de coste para adaptación ciega en un amplio margen de aplicaciones en el ámbito de las comunicaciones digitales, tomando en consideración los ... -
Estimació cega de canal en sistemes OFDM
(Universitat Politècnica de Catalunya, 2012-01-25)
Projecte/Treball Final de Carrera
Accés obertAnglès: This project addresses the problem of the estimation of the transmission channel using non data-aided (NDA) methods for the specific case of data transmission using OFDM (Orthogonal Frequency Division Multiplexing), ... -
Feedback-channel and adaptative mimo coded-modulations.
(Universitat Politècnica de Catalunya, 2006-05-12)
Tesi
Accés obertEn els sistemes de comunicacions on el transmissor disposa de certa informació sobre l'estat del canal (CSI), es possible dissenyar esquemes lineals de precodificació que assignin la potència de manera òptima induint guanys ... -
MIMO-OFDM: an experimental study on underwater acoustic communication
(Universitat Politècnica de Catalunya, 2022-10-06)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatOceans are progressively gaining importance around the globe as nations turn to them as a source of energy and resources. In this context, the development of underwater communications becomes crucial for the proper development ... -
Network topology with imperfect spectral templates on graphs
(Universitat Politècnica de Catalunya, 2018-06)
Treball Final de Grau
Accés obertTraditionally, when talking about the use of graphs for signal processing, its topology has always been supposed known, from which multiple techniques have been developed over the years. Nowadays, a new mentality has ... -
Noise subspace communication: waveform optimization and interference management
(Universitat Politècnica de Catalunya, 2016-07-14)
Treball Final de Grau
Accés obertNowadays, the increasing demand for high data-rate services increases the interest of spectral efficiency. As it is well-known, the spectrum is a limited resource. Thus, those newest techniques should exploit it efficiently. ... -
Opportunistic communications in large uncoordinated networks
(Universitat Politècnica de Catalunya, 2023-01-25)
Tesi
Accés obert(English) The increase of wireless devices offering high data rate services limits the coexistence of wireless systems sharing the same resources in a given geographical area because of inter-system interference. Therefore, ... -
Pilot contamination in context-aware pilot-based opportunistic communications
(Universitat Politècnica de Catalunya, 2018-07)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThe increasing demand of high data-rate services and the unstoppable growth of communicating interfaces are two important features of next-era wireless communications. Albeit some strategies have recently arisen to deal ... -
Prediction methods for statistical inference in graph signal processing
(Universitat Politècnica de Catalunya, 2020-07)
Projecte Final de Màster Oficial
Accés obertThis thesis studies the problem of inferring topology from signal graphs. For this reason, the Master's Thesis is part of the current of thought, growing in recent years, in which the structure of the network is not assumed ... -
Sample Covariance Based Parameter Estimation For Digital Communications
(Universitat Politècnica de Catalunya, 2005-10-01)
Tesi
Accés obertEn aquesta tesi s'estudia el problema d'estimació cega de segon ordre en comunicacions digitals. En aquest camp, els símbols transmesos esdevenen paràmetres no desitjats (nuisance parameters) d'estadística no gaussiana que ... -
SC-EXCELL model upgrade to predict Depolarization
(Universitat Politècnica de Catalunya, 2014-05-02)
Treball Final de Grau
Accés obert
Realitzat a/amb: Politecnico di Milano[ANGLÈS] This TFG is about a attenuation prediction model in an Earth-space path. This model includes three new points: it takes care of the altitude of the cloud, predicts depolarization and introduces the absorption and ... -
Signal graphs and networks
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés obertDue to the technologies improvement, the volume of data generated in any discipline has become massive. All this raw knowledge needs a post-processing in order to discern and identify the embedded information. Hence, it ... -
Wideband cognitive radio: monitoring, detection and sparse noise subspace communication
(Universitat Politècnica de Catalunya, 2014-07-24)
Tesi
Accés obertWe are surrounded by electronic devices that take advantage of wireless technologies, from our computer mice, which require little amounts of information, to our cellphones, which demand increasingly higher data rates. ...
