Recursive least-squares algorithms for the identification of low-rank systems

C Elisei-Iliescu, C Paleologu, J Benesty… - … on Audio, Speech …, 2019 - ieeexplore.ieee.org
The recursive least-squares (RLS) adaptive filter is an appealing choice in many system
identification problems. The main reason behind its popularity is its fast convergence rate …

Efficient recursive least-squares algorithms for the identification of bilinear forms

C Elisei-Iliescu, C Stanciu, C Paleologu… - Digital Signal …, 2018 - Elsevier
Due to its fast convergence rate, the recursive least-squares (RLS) algorithm is very popular
in many applications of adaptive filtering, including system identification scenarios …

Robust augmented space recursive least-constrained-squares algorithms

Q Zhang, S Wang, D Lin, Y Zheng, KT Chi - Signal Processing, 2024 - Elsevier
This paper proposes a novel augmented space robust adaptive filter by reusing the errors
for online applications. First, a batched augmented space constrained model (ASCM) is …

An efficient nonlinear dichotomous coordinate descent adaptive algorithm based on random Fourier features

T Chen, S Wang - IEEE Signal Processing Letters, 2020 - ieeexplore.ieee.org
The auxiliary normal equation is proposed to construct an incremental update (IU) system in
which the increment of weight vector rather than the weight itself is optimized at each …

Implementation method of kernel adaptive filter as an add-on for a linear adaptive filter

K Nishikawa, F Albu - 2015 23rd European Signal Processing …, 2015 - ieeexplore.ieee.org
In this paper, we propose a novel structure for implementing a kernel adaptive filter as an
add-on component for a linear adaptive filter. The kernel adaptive filter has been proposed …

Kernel recursive least squares based cancellation of second-order intermodulation distortion

C Auer, T Paireder, O Lang… - 2020 54th Asilomar …, 2020 - ieeexplore.ieee.org
Due to the non-ideal components in the analog front-end of frequency division duplex
transceivers a part of the transmit signal leaks into the receive path. Together with nonlinear …

Adaptive kernel bandwidth method for kernel normalized lms adaptive algorithm

K Nishikawa, F Albu, D Coltuc… - 2017 21st International …, 2017 - ieeexplore.ieee.org
In this paper, an adaptive adjustment method for the kernel parameter used in the kernel
adaptive filters (KAFs) is proposed. The KAF is one of the linear-in-the-parameters (LIP) …

Nonlinear adaptive filtering with a family of kernel affine projection algorithms

F Albu, K Nishikawa - … of Research on Advanced Intelligent Control …, 2015 - igi-global.com
In this chapter, the family of kernel affine projection algorithms with coherence criterion is
presented. The proportionality principle is translated to the kernel-based version. A new …

Consideration on the performance of kernel adaptive filters for the mixture of linear and non-linear environments

K Nishikawa, F Albu - Signal and Information Processing …, 2014 - ieeexplore.ieee.org
In this paper, we consider the characteristics of the kernel adaptive filters for the mixture of
linear and non-linear environments. We first consider employing a linear kernel as one of …

A fixed budget implementation of a new variable step size kernel proportionate NLMS algorithm

F Albu, K Nishikawa - 2014 14th International Conference on …, 2014 - ieeexplore.ieee.org
In this paper, a fixed-budget implementation of the kernel proportionate normalized least
mean square (KPNLMS) algorithm using a variable step size scheme is proposed. The …