A journey toward modeling and resolving doppler in underwater acoustic communications

F Qu, Z Wang, L Yang, Z Wu - IEEE Communications Magazine, 2016 - ieeexplore.ieee.org
Underwater acoustic (UWA) communications is the only reliable method for long-distance
communications underwater, and is widely used in commercial, scientific, and military …

Adoption of hybrid time series neural network in the underwater acoustic signal modulation identification

Y Wang, H Zhang, L Xu, C Cao, TA Gulliver - Journal of the Franklin …, 2020 - Elsevier
The deep learning methods powerfully enhance the identification performance by retrieving
the deep data features in many fields, which can be used in automatic modulation …

Striking the right balance: Three-dimensional ocean sound speed field reconstruction using tensor neural networks

S Li, L Cheng, T Zhang, H Zhao, J Li - The Journal of the Acoustical …, 2023 - pubs.aip.org
Accurately reconstructing a three-dimensional (3D) ocean sound speed field (SSF) is
essential for various ocean acoustic applications, but the sparsity and uncertainty of sound …

Learning data distribution of three-dimensional ocean sound speed fields via diffusion models

S Li, L Cheng, J Li, Z Wang, J Li - The Journal of the Acoustical Society …, 2024 - pubs.aip.org
The probability distribution of three-dimensional sound speed fields (3D SSFs) in an ocean
region encapsulates vital information about their variations, serving as valuable data-driven …

Frequency-domain turbo equalization with iterative channel estimation for MIMO underwater acoustic communications

Z Chen, J Wang, YR Zheng - IEEE Journal of Oceanic …, 2016 - ieeexplore.ieee.org
This paper proposes a new iterative receiver for single-carrier multiple-input-multiple-output
(SC-MIMO) underwater acoustic (UWA) communications, which utilizes frequency-domain …

Tensor-based basis function learning for three-dimensional sound speed fields

L Cheng, X Ji, H Zhao, J Li, W Xu - … Journal of the Acoustical Society of …, 2022 - pubs.aip.org
Basis function learning is the step** stone towards effective three-dimensional (3D) sound
speed field (SSF) inversion for various acoustic signal processing tasks, including ocean …

Joint message-passing-based bidirectional channel estimation and equalization with superimposed training for underwater acoustic communications

G Yang, Q Guo, H Ding, Q Yan… - IEEE Journal of Oceanic …, 2021 - ieeexplore.ieee.org
Acquiring accurate channel state information and mitigating severe intersymbol interference
are challenging for underwater acoustic communications with moving transceivers due to …

Zero-shot reconstruction of ocean sound speed field tensors: A deep plug-and-play approach

S Li, L Cheng, X Fu, J Li - The Journal of the Acoustical Society of …, 2024 - pubs.aip.org
Reconstructing a three-dimensional ocean sound speed field (SSF) from limited and noisy
measurements presents an ill-posed and challenging inverse problem. Existing methods …

Frequency domain direct adaptive turbo equalization based on block normalized minimum-SER for underwater acoustic communications

T Zheng, L **g, C Long, C He, H Yin - Applied Acoustics, 2023 - Elsevier
The equalization based on the mean square error (MSE) criterion has been widely used in
underwater acoustic (UWA) communication and has shown promising results. MSE is …

Multi-body modelling and analysis of the motion platform for underwater acoustic dynamic communication

S Li, Y Wang, S Wu, W Niu, S Yang, S Lan - Applied Mathematical …, 2022 - Elsevier
With the development of marine science, the dynamic underwater acoustic network
composed of many underwater and surface nodes has become an active research field of …