Exploració per autor "Pagès Zamora, Alba Maria"
Ara es mostren els items 43-62 de 75
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Matrix completion and extrapolation via kernel regression
Giménez Febrer, Pedro Juan; Pagès Zamora, Alba Maria; Giannakis, Georgios B. (2019-10-01)
Article
Accés obertMatrix completion and extrapolation (MCEX) are dealt with here over reproducing kernel Hilbert spaces (RKHSs) in order to account for prior information present in the available data. Aiming at a fast and low-complexity ... -
Matrix completion of noisy graph signals via proximal gradient minimization
Giménez Febrer, Pedro Juan; Pagès Zamora, Alba Maria (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Comunicació de congrés
Accés obertThis paper takes on the problem of recovering the missing entries of an incomplete matrix, which is known as matrix completion, when the columns of the matrix are signals that lie on a graph and the available observations ... -
Mean square convergence of consensus algorithms in random WSNs
Silva Pereira, Silvana; Pagès Zamora, Alba Maria (2010-05)
Article
Accés obertDistributed consensus algorithms for estimation of parameters or detection of events in wireless sensor networks have attracted considerable attention in recent years. A necessary condition to achieve a consensus on the ... -
Memoryless predistortion of nonlinear amplifiers based on Fourier series based models
Pagès Zamora, Alba Maria; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 1996)
Text en actes de congrés
Accés obertIn order to maximise the efficiency of the RF amplifier located in a transmitter, for instance in both analog and digital terrestrial TV links, it is forced to work near saturation thus introducing an undesirable nonlinear ... -
Muestreo aleatorio en frecuencia aplicado a la identificación de sistemas no lineales
Pagès Zamora, Alba Maria; Nájar Martón, Montserrat; Pérez Neira, Ana Isabel (Universidad de Valencia, 1994)
Text en actes de congrés
Accés obert -
Muestreo aleatorio en frecuencia aplicado a la identificación de sistemas no lineales
Pagès Zamora, Alba Maria; Nájar Martón, Montserrat; Pérez Neira, Ana Isabel (Universitat Politècnica de València, 1993)
Text en actes de congrés
Accés obert -
Multitone tracking with coupled EKFs and high order learning
Lagunas Hernandez, Miguel A.; Pagès Zamora, Alba Maria (1992)
Text en actes de congrés
Accés obertA multitone tracker is described using two basic principles in optimum frequency estimation: processing bandwidth depending on the distance from the estimate to the actual frequency values, and parallel estimates with ... -
Nonlinear system inversion applied to random variable generation
Pagès Zamora, Alba Maria; Lagunas Hernandez, Miguel A.; Mestre Pons, Francesc X. (Institute of Electrical and Electronics Engineers (IEEE), 2000)
Text en actes de congrés
Accés obertA method to design random variable (RV) generators with the same probability density function (PDF) as a given RV record is presented. The resulting RV generator is a nonlinear system that when driven by a uniformly ... -
Online EM-based distributed estimation in sensor networks with faulty nodes
Giménez Febrer, Pedro Juan; Pagès Zamora, Alba Maria; López Valcarce, Roberto (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper focuses on the problem of the distributed estimation of a parameter vector based on noisy observations regularly acquired by the nodes of a wireless sensor network and assuming that some of the nodes have faulty ... -
Order estimation via matrix completion for multi-switch antenna selection
Garg, Vaibhav; Pagès Zamora, Alba Maria; Santamaria Caballero, Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2021-10-01)
Article
Accés obertThis letter addresses the problem of order estimation for uniform linear arrays (ULAs) with multi-switch antenna selection in the small-sample regime. Multi-switch antenna selection results in a data matrix with missing ... -
Parameter estimation in wireless sensor networks with faulty transducers: a distributed EM approach
Silva Pereira, Silvana; López Valcarce, Roberto; Pagès Zamora, Alba Maria (2018-03-01)
Article
Accés obertWe address the problem of distributed estimation of a vector-valued parameter performed by a wireless sensor network in the presence of noisy observations which may be unreliable due to faulty transducers. The proposed ... -
Passive sampling in reproducing kernel Hilbert spaces using leverage scores
Giménez Febrer, Pedro Juan; Pagès Zamora, Alba Maria; Santamaria Caballero, Ignacio (2022-10-01)
Article
Accés restringit per política de l'editorialThis paper deals with the selection of the training dataset in kernel-based methods for function reconstruction, with a focus on kernel ridge regression. A functional analysis is performed which, in the absence of noise, ... -
Portable kit for detecting trapped and buried people in ruins and avalanches, RESCUECELL: D2.3 Report and source code of final MT location
Silva Pereira, Silvana; Giménez Febrer, Pedro Juan; Fontdevila Olivé, Roger; Atzeni, Italo; Pagès Zamora, Alba Maria; Vidal Manzano, José (2014-04-29)
Report de recerca
Accés restringit per política de l'editorialRESCUECELL. Seventh Framework Programme Research for the Benefit of the SMEs. Grant Agreement Number 315007 Deliverable: D2.3 Report and source code of final MT location -
Portable kit for detecting trapped and buried people in ruins and avalanches, RESCUECELL: D6.1 Report of final validation in collapsed structures
Giménez Febrer, Pedro Juan; Pagès Zamora, Alba Maria (2015-01-22)
Report de recerca
Accés restringit per política de l'editorialRESCUECELL. Seventh Framework Programme Research for the Benefit of the SMEs. Grant Agreement Number 315007. Deliverable: D6.1 Report of final validation in collapsed structures. -
Quantum multiple hypothesis testing based on a sequential discarding scheme
Pérez Guijarro, Jordi; Pagès Zamora, Alba Maria; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2022-01-14)
Article
Accés obertWe consider the quantum multiple hypothesis testing problem, focusing on the case of hypothesis represented by pure states. A sequential adaptive algorithm is derived and analyzed first. This strategy exhibits a decay rate ... -
Random-Walk laplacian for frequency analysis in periodic graphs
Boukrab, Rachid; Pagès Zamora, Alba Maria (Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-11)
Article
Accés obertThis paper presents the benefits of using the random-walk normalized Laplacian matrix as a graph-shift operator and defines the frequencies of a graph by the eigenvalues of this matrix. A criterion to order these frequencies ... -
Randomized transmission power for accelerated consensus in asymmetric WSNs
Silva Pereira, Silvana; Pagès Zamora, Alba Maria (2009)
Text en actes de congrés
Accés obertThe total energy consumed in a wireless sensor network until reaching a consensus is proportional to the product of the sum of the transmission power of each node and the convergence time. In a network where the nodes are ... -
Real deployment of consensus algorithm on self-organized wireless sensor networks
Brahim, Elbhiri; Pagès Zamora, Alba Maria; Aboutajdine, Driss (2009)
Text en actes de congrés
Accés obertReaching consensus on a self-organized wireless sensor networks through totally decentralized algorithms is a topic that has attracted considerable attention. The average consensus method is the most popular algorithm ... -
REAVALUACIÓ
Nájar Martón, Montserrat; Pagès Zamora, Alba Maria; Riba Sagarra, Jaume; Vázquez Grau, Gregorio (Universitat Politècnica de Catalunya, 2022-07-05)
Examen
Accés restringit a la comunitat UPC -
Robust clustering of data collected via crowdsourcing
Pagès Zamora, Alba Maria; Giannakis, Georgios B.; López Valcarce, Roberto; Giménez Febrer, Pedro Juan (2017)
Text en actes de congrés
Accés obertCrowdsourcing approaches rely on the collection of multiple individuals to solve problems that require analysis of large data sets in a timely accurate manner. The inexperience of participants or annotators motivates well ...