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New Methods for Adaptive Equalization Based on Information Theoretic Learning

Grant number: 13/14185-2
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): December 01, 2013
Effective date (End): March 31, 2017
Field of knowledge:Engineering - Electrical Engineering - Telecommunications
Principal researcher:Romis Ribeiro de Faissol Attux
Grantee:Denis Gustavo Fantinato
Home Institution: Faculdade de Engenharia Elétrica e de Computação (FEEC). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):15/23424-6 - Nonlinear Blind Source Separation for Statistically Dependent Sources, BE.EP.DR


The problem of adaptive equalization is classically solved using supervised and unsupervised methods that employ certain classes of moments associated with the signal of interest and the observed signal. Information theoretic learning (ITL) methodologies, however, was responsible for establishing new approaches both to the supervised and the unsupervised cases. These approaches have in common the use of criteria based on the (implicit or explicit) estimation of the probability density functions of the signals of interest, which, in practical scenarios characterized by nonlinearity / nongaussianity, can allow a wider exploration of the available statistical information in the process of optimization of the filter parameters. In this project, two aspects of the problem of ITL-based equalization will be addressed. The first is related to the deconvolution of signals that present statistical dependence between samples (i.e. "colored signals"). The second concerns the extension of the ITL-based equalization paradigm to encompass IIR filters, which will give rise to a general optimal filtering framework and to efficient adaptive methodologies.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FANTINATO, D. G.; SILVA, D. G.; ATTUX, R.; NEVES, A. Multivariate Shannon's entropy for adaptive IIR filtering via kernel density estimators. ELECTRONICS LETTERS, v. 55, n. 15, p. 859+, JUL 25 2019. Web of Science Citations: 0.
FANTINATO, DENIS G.; NEVES, ALINE; ATTUX, ROMIS. Analysis of a Novel Density Matching Criterion Within the ITL Framework for Blind Channel Equalization. CIRCUITS SYSTEMS AND SIGNAL PROCESSING, v. 37, n. 1, p. 203-231, JAN 2018. Web of Science Citations: 1.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FANTINATO, Denis Gustavo. Novas metodologias de aprendizado baseado na Teoria da Informação para equalização adaptativa. 2017. Doctoral Thesis - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação.

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