no code implementations • 19 Apr 2024 • Atsu Kokuvi Angélo Passah, Rodrigo C. de Lamare, Arsenia Chorti
Furthermore, the computational complexity of classical cryptographic approaches based on public key distribution can be a limiting factor for using in simple, low-end Internet of things (IoT) devices.
no code implementations • 28 Jan 2023 • Diana M. V. Melo, Lukas T. N. Landau, Rodrigo C. de Lamare
In this work, we propose a practical waveform design based on the established TI ZX modulation for a multiuser multi-input multi-output (MIMO) downlink scenario with 1-bit quantization and temporal oversampling at the receivers.
no code implementations • 18 Nov 2022 • Ana Beatriz L. B. Fernandes, Zhichao Shao, Lukas T. N. Landau, Rodrigo C. de Lamare
We propose low-resolution multiuser MIMO receivers where the signals are simultaneously processed by 1-bit ADCs and a comparator network, which can be interpreted as additional virtual channels with binary outputs.
no code implementations • 4 Aug 2022 • Yi Yu, Hongsen He, Rodrigo C. de Lamare, Badong Chen
In this paper, we propose a general robust subband adaptive filtering (GR-SAF) scheme against impulsive noise by minimizing the mean square deviation under the random-walk model with individual weight uncertainty.
no code implementations • 25 Jun 2022 • Tao Yu, Rodrigo C. de Lamare, Yi Yu
This paper studies distributed diffusion adaptation over clustered multi-task networks in the presence of impulsive interferences and Byzantine attacks.
no code implementations • 15 May 2022 • Yi Yu, Zongxin Huang, Hongsen He, Yuriy Zakharov, Rodrigo C. de Lamare
This paper proposes a unified sparsity-aware robust normalized subband adaptive filtering (SA-RNSAF) algorithm for identification of sparse systems under impulsive noise.
no code implementations • 19 Mar 2022 • Lu Lu, Yi Yu, Rodrigo C. de Lamare, Xiaomin Yang
We propose a novel M-estimate conjugate gradient (CG) algorithm, termed Tukey's biweight M-estimate CG (TbMCG), for system identification in impulsive noise environments.
no code implementations • 19 Oct 2021 • Lu Lu, Kai-Li Yin, Rodrigo C. de Lamare, Zongsheng Zheng, Yi Yu, Xiaomin Yang, Badong Chen
Most of the literature focuses on the development of the linear active noise control (ANC) techniques.
no code implementations • 1 Oct 2021 • Lu Lu, Kai-Li Yin, Rodrigo C. de Lamare, Zongsheng Zheng, Yi Yu, Xiaomin Yang, Badong Chen
Active noise control (ANC) is an effective way for reducing the noise level in electroacoustic or electromechanical systems.
no code implementations • 14 Aug 2021 • Gang Guo, Yi Yu, Rodrigo C. de Lamare, Zongsheng Zheng, Lu Lu, Qiangming Cai
In addition, an adaptive approach for the choice of the thresholding parameter in the proximal step is also proposed based on the minimization of the mean square deviation.
no code implementations • 23 Jun 2021 • Saeed Mohammadzadeh, Vitor H. Nascimento, Rodrigo C. de Lamare, Osman Kukrer
The DFT coefficients corresponding to the angles within the noise-plus-interference region are used to reconstruct the noise-plus-interference covariance matrix (NPICM), while the desired signal covariance matrix (DSCM) is estimated by identifying and removing the noise-plus-interference component from the SCM.
no code implementations • 7 Jan 2021 • Hamed Bastami, Majid Moradikia, Hamid Behroozi, Rodrigo C. de Lamare, Ahmed Abdelhadi, Zhigou Ding
To satisfy low-latency as one of the main key performance indicators (KPI) required in beyond 5G (B5G) communications, a computationally efficient data-driven approach is developed exploiting a deep learning model to improve the ASR while the computational burden is significantly reduced.
no code implementations • 18 Sep 2020 • Yi Yu, Tao Yang, Hongyang Chen, Rodrigo C. de Lamare, Yingsong Li
In this paper, we propose and analyze the sparsity-aware sign subband adaptive filtering with individual weighting factors (S-IWF-SSAF) algorithm, and consider its application in acoustic echo cancellation (AEC).