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) …

Channel prediction using adaptive bidirectional GRU for underwater MIMO communications

X Hu, Y Huo, X Dong, FY Wu… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
As the Internet of Things (IoT) continues to expand and reshape our world, new vertical
application scenarios have emerged, such as underwater communications, leading to …

Efficient adaptive turbo equalization for multiple-input–multiple-output underwater acoustic communications

W Duan, J Tao, YR Zheng - IEEE Journal of Oceanic …, 2017 - ieeexplore.ieee.org
An efficient adaptive turbo equalization (ATEQ) scheme is proposed for multiple-input-
multiple-output underwater acoustic (UWA) communications. The proposed ATEQ scheme …

Temporal correlation and message-passing-based sparse bayesian learning channel estimation for underwater acoustic communications

J Yin, G Zhu, X Han, L Guo, L Li… - IEEE Journal of Oceanic …, 2024 - ieeexplore.ieee.org
To mitigate the error propagation of single-carrier time-domain equalization (SC-TDE) with
insufficient observation data, this article proposes a low-complexity message-passing-based …

Sparse channel estimation of underwater TDS-OFDM system using look-ahead backtracking orthogonal matching pursuit

NUR Junejo, H Esmaiel, M Zhou, H Sun, J Qi… - IEEE …, 2018 - ieeexplore.ieee.org
Time division synchronization orthogonal frequency division multiplexing (TDS-OFDM) has
been attractive due to its fast synchronization and efficient spectral efficiency over …

Shallow underwater acoustic massive MIMO communications

W Wu, X Gao, C Sun, GY Li - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
The potential benefits of massive multiple-input multiple-output (MIMO) make it possible to
achieve high-quality underwater acoustic (UWA) communications. Nevertheless, due to the …

Joint channel estimation and decoding for underwater acoustic communication with a short pilot sequence

X Qin, R Diamant - IEEE Journal of Oceanic Engineering, 2023 - ieeexplore.ieee.org
With the advance of undersea communication technologies, the operation of large numbers
of small submerged devices and their connection, such as the Internet of Underwater Things …

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 …

Soft-decision-driven sparse channel estimation and turbo equalization for MIMO underwater acoustic communications

Y Zhang, YV Zakharov, J Li - IEEE access, 2018 - ieeexplore.ieee.org
Multi-input multi-output (MIMO) detection based on turbo principle has been shown to
provide a great enhancement in the throughput and reliability of underwater acoustic (UWA) …

Exploiting spatial–temporal joint sparsity for underwater acoustic multiple-input–multiple-output communications

Y Zhou, F Tong, A Song… - IEEE Journal of Oceanic …, 2020 - ieeexplore.ieee.org
Multiple-input-multiple-output (MIMO) system offers a promising way for high data rate
communication over bandwidth-limited underwater acoustic channels. However, MIMO …