Robust and sparsity-aware adaptive filters: A review

K Kumar, R Pandey, MLNS Karthik, SS Bhattacharjee… - Signal Processing, 2021 - Elsevier
An exhaustive review of adaptive signal processing schemes which are robust, sparsity-
aware and robust as well as sparsity-aware has been carried out in this paper. Conventional …

Channel estimation strategies for underwater acoustic (UWA) communication: An overview

MR Khan, B Das, BB Pati - Journal of the Franklin Institute, 2020 - Elsevier
Underwater wireless communication techniques have played the most important role in the
exploration of oceans and other aquatic environments. Underwater acoustic (UWA) …

Neglected infrastructures for 6G—Underwater communications: How mature are they?

NN Dao, NH Tu, TT Thanh, VNQ Bao, W Na… - Journal of Network and …, 2023 - Elsevier
In recent years, we have witnessed a major expansion of wireless communications,
extending from terrestrial to aerial spaces to facilitate novel user services. While aerial …

A robust diffusion recursive generalized modified Blake-Zisserman algorithm for distributed estimation under an adaptive kernel width

AN Sadigh - Signal Processing, 2023 - Elsevier
In adaptive networks, the performance of distributed estimation is degraded in the presence
of non-Gaussian noises. A number of robust criteria for diffusion approaches, such as …

A robust diffusion algorithm using logarithmic hyperbolic cosine cost function for channel estimation in wireless sensor network under impulsive noise environment

BP Mishra, T Panigrahi, AM Wilson, SL Sabat - Digital Signal Processing, 2022 - Elsevier
In a wireless sensor network (WSN), the performance of the error-squared based adaptive
channel estimation algorithm degrades in the presence of impulsive noise. Robust methods …

Positioning of leakages in underwater natural gas pipelines for time-varying multipath environment

Y Mahmutoglu, K Turk - Ocean Engineering, 2020 - Elsevier
Underwater natural gas pipelines (UNGPs) used to typically transport natural gas, which is a
very important energy resource, can be punctured due to various reasons such as corrosion …

Channel modelling in underwater media: a wireless communication technique perspective

SK Gupta, RCS Chauhan, V Kumar - Physica Scripta, 2024 - iopscience.iop.org
With a broad scope of exploration and utilization of marine resources, the field of underwater
wireless communication (UWC) is attracting the growing interest of researchers. Due to the …

An improved sparsity‐aware normalized least‐mean‐square scheme for underwater communication

A Kumar, P Kumar - ETRI Journal, 2023 - Wiley Online Library
Underwater communication (UWC) is widely used in coastal surveillance and early warning
systems. Precise channel estimation is vital for efficient and reliable UWC. The sparse direct …

Underwater acoustic sparse channel estimation based on DW-SACoSaMP reconstruction algorithm

J Wang, Z Yan, W Shi, X Yang - IEEE Communications Letters, 2019 - ieeexplore.ieee.org
The compressive sampling matching pursuit (CoSaMP) algorithm is widely used in
orthogonal frequency division multiplexing (OFDM) underwater acoustic (UWA) sparse …

Underwater acoustic signal denoising based on sparse TQWT and wavelet thresholding

J Yang, S Yan, LL Mao, Z Sui, W Wang, D Zeng - Digital Signal Processing, 2024 - Elsevier
The time-varying characteristics of the underwater environment lead to complicated
background noise in collected signals. To reduce the negative impact of noise, this paper …