Exploració per autor "Pagès Zamora, Alba Maria"
Ara es mostren els items 51-70 de 76
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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 -
Relation between quantum advantage in supervised learning and quantum computational advantage
Pérez Guijarro, Jordi; Pagès Zamora, Alba Maria; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2023-12-26)
Article
Accés obertThe widespread use of machine learning has raised the question of quantum supremacy for supervised learning as compared to quantum computational advantage. In fact, a recent work shows that computational and learning ... -
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 ... -
Source enumeration via Toeplitz matrix completion
Vaibhav, Garg; Giménez Febrer, Pedro Juan; Pagès Zamora, Alba Maria; Santamaria Caballero, Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertThis paper addresses the problem of source enumeration by an array of sensors in the presence of noise whose spatial covariance structure is a diagonal matrix with possibly different variances, referred to non-iid noise ... -
Stochastic and balanced distributed energy-efficient clustering (SBDEEC) for heterogeneous wireless sensor networks
Brahim, Elbhiri; Rachid, Saadane; Pagès Zamora, Alba Maria; Aboutajdine, Driss (2009-09-23)
Article
Accés obertTypically, a wireless sensor network contains an important number of inexpensive power constrained sensors which collect data from the environment and transmit them towards the base station in a cooperative way. Saving ... -
Tema 2. Detecció
Cabrera-Bean, Margarita; Nájar Martón, Montserrat; Pagès Zamora, Alba Maria (Universitat Politècnica de Catalunya, 2017)
Pràctica
Accés obert -
The IST METRA Project
Rodríguez Fonollosa, Javier; Heikkilä, Markku; Kermoal, Jean Philippe; Mestre Pons, Francesc X.; Pagès Zamora, Alba Maria; Pollard, Adam; Schumacher, Laurent; Ylitalo, Juha; Gaspa Maynou, Roger (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2002-07-31)
Article
Accés obertThis article summarizes the main achievements of the Multi-Element Transmit and Receive Antennas (METRA) Project, an IST research and technological development project carried out between January 2000 and June 2001 by ... -
The K-filter: a new architecture to model and design non-linear systems from Kolmogorov's theorem
Pagès Zamora, Alba Maria; Lagunas Hernandez, Miguel A.; Nájar Martón, Montserrat; Pérez Neira, Ana Isabel (1995-07)
Article
Accés obertA new architecture to model and design nonlinear transfer functions is presented using a new formulation for nonlinear systems. This approach follows the guidelines of the mapping theorem due to A. Kolmogorov and it is ... -
The K-filter: a new model of non-linear systems with memory
Pagès Zamora, Alba Maria; Lagunas Hernandez, Miguel A. (1994)
Text en actes de congrés
Accés obert -
The K-filter: design alternatives to model non-linear systems
Pagès Zamora, Alba Maria; Lagunas Hernandez, Miguel A. (1994)
Text en actes de congrés
Accés obertThis paper presents an architecture named K-filter able to model non-linear systems both memoryless and with memory. The most general version of the k-filter applies to any non linearity but sometimes at the cost of holding ...