New results on joint channel and impulsive noise estimation and tracking in underwater acoustic OFDM systems

S Wang, Z He, K Niu, P Chen… - IEEE Transactions on …, 2020‏ - ieeexplore.ieee.org
Impulsive noise can greatly affect the performance of underwater acoustic (UA) orthogonal
frequency-division multiplexing (OFDM) systems. In this paper, by utilizing the sparsity of the …

Message passing-based impulsive noise mitigation and channel estimation for underwater acoustic OFDM communications

X Feng, J Wang, X Kuai, M Zhou… - IEEE Transactions on …, 2021‏ - ieeexplore.ieee.org
The impulsive noise and the time-varying channel are two major detrimental factors which
greatly constrain the performance of underwater acoustic communications (UACs). Utilizing …

Orthogonal projection and distributed compressed sensing based impulsive noise estimation for underwater acoustic OSDM communication

Y Zhou, R Wang, X Yang, F Tong - IEEE Internet of Things …, 2023‏ - ieeexplore.ieee.org
Orthogonal signal division multiplexing (OSDM) is an emerging method for Internet of
Underwater Things (IoUT) networks. The impulsive noise, the carrier frequency offset (CFO) …

Channel Estimation for Underwater Acoustic OFDM Communications: Recent Advances

M Zhou, H Sun, J Wang, Z **e… - Recent Patents on …, 2025‏ - benthamdirect.com
Background To resist the time-variant underwater acoustic (UWA) channel, large amounts of
channel estimation algorithms for the UWA orthogonal frequency division multiplexing …

ADMM-based ℓ1− ℓ1 optimization algorithm for robust sparse channel estimation in OFDM systems

H Vargas, J Ramirez, H Arguello - Signal Processing, 2020‏ - Elsevier
In this paper, an ℓ 1− ℓ 1 optimization algorithm based on the alternating direction method of
multipliers (ADMM) is proposed for robust sparse channel estimation in OFDM systems …

An approximate message passing algorithm for channel and impulsive noise estimation in underwater acoustic OFDM systems

S Wu, S Wang, Z He, K Niu, Y Rong - OCEANS 2019-Marseille, 2019‏ - ieeexplore.ieee.org
An accurate and efficient channel and impulsive noise estimation is an important step in
underwater acoustic (UA) orthogonal frequency-division multiplexing systems. We propose …

Blind modulation identification of underwater acoustic MPSK using sparse Bayesian learning and expectation maximization

T Fang, Z **a, S Liu, X Wu, L Zhang - Applied Sciences, 2020‏ - mdpi.com
This paper presents a likelihood-based algorithm for identifying different phase shift keying
(PSK) modulations, ie, BPSK, QPSK, and 8PSK. This algorithm selects the modulation type …

An impulsive noise mitigation and channel estimation algorithm based on unitary approximate message passing

Z **, X Zhang, S Tan, J **ong… - 2022 2nd International …, 2022‏ - ieeexplore.ieee.org
Impulsive noise and fading channels can severely damage communication system
performance. In this paper, we propose an impulsive noise mitigation and channel …

An impulsive noise mitigation method based on all subcarriers assisted gaussian generalized approximate message passing

Z **, X Zhang, S Tan, J **ong… - 2022 2nd International …, 2022‏ - ieeexplore.ieee.org
In many orthogonal frequency division multiplexing (OFDM) communication scenarios,
impulsive noise can severely degrade communication performance. In this paper, we …