Adaptive projected subgradient method for asymptotic minimization of sequence of nonnegative convex functions

I Yamada, N Ogura - 2005 - Taylor & Francis
This paper presents an algorithm, named adaptive projected subgradient method that can
minimize asymptotically a certain sequence of nonnegative convex functions over a closed …

An adaptive projected subgradient approach to learning in diffusion networks

RLG Cavalcante, I Yamada… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
We present an algorithm that minimizes asymptotically a sequence of nonnegative convex
functions over diffusion networks. In the proposed algorithm, at each iteration the nodes in …

The adaptive projected subgradient method over the fixed point set of strongly attracting nonexpansive mappings

K Slavakis, I Yamada, N Ogura - Numerical functional analysis and …, 2006 - Taylor & Francis
This paper presents an algorithmic solution, the adaptive projected subgradient method, to
the problem of asymptotically minimizing a certain sequence of non-negative continuous …

Adaptive parallel quadratic-metric projection algorithms

M Yukawa, K Slavakis, I Yamada - IEEE transactions on audio …, 2007 - ieeexplore.ieee.org
This paper indicates that an appropriate design of metric leads to significant improvements
in the adaptive projected subgradient method (APSM), which unifies a wide range of …

Steady-state mean-square performance analysis of a relaxed set-membership NLMS algorithm by the energy conservation argument

N Takahashi, I Yamada - IEEE Transactions on Signal …, 2009 - ieeexplore.ieee.org
This paper presents an analysis of the steady-state mean-square error (MSE) of the set-
membership normalized least-mean square (SM-NLMS) algorithm with relaxation and …

Pairwise optimal weight realization—Acceleration technique for set-theoretic adaptive parallel subgradient projection algorithm

M Yukawa, I Yamada - IEEE transactions on signal processing, 2006 - ieeexplore.ieee.org
The adaptive parallel subgradient projection (PSP) algorithm was proposed in 2002 as a set-
theoretic adaptive filtering algorithm providing fast and stable convergence, robustness …

Robust Online Multiuser Detection: A Hybrid Model-Data Driven Approach

DA Awan, RLG Cavalcante, M Yukawa… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We study the problem of robust online multiuser detection in the context of non-orthogonal
multiple access. The optimal multiuser detector (in terms of the uncoded bit error rate) is the …

Efficient blind MAI suppression in DS/CDMA systems by embedded constraint parallel projection techniques

M Yukawa, RLG Cavalcante… - IEICE transactions on …, 2005 - search.ieice.org
This paper presents two novel blind set-theoretic adaptive filtering algorithms for
suppressing" Multiple Access Interference (MAI)," which is one of the central burdens in …

Robust reduced-rank adaptive algorithm based on parallel subgradient projection and Krylov subspace

M Yukawa, RC De Lamare… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
In this paper, we propose a novel reduced-rank adaptive filtering algorithm exploiting the
Krylov subspace associated with estimates of certain statistics of input and output signals …

[PDF][PDF] Efficient fast stereo acoustic echo cancellation based on pairwise optimal weight realization technique

M Yukawa, N Murakoshi, I Yamada - EURASIP Journal on Advances in …, 2006 - Springer
In stereophonic acoustic echo cancellation (SAEC) problem, fast and accurate tracking of
echo path is strongly required for stable echo cancellation. In this paper, we propose a class …