M Zhou, J Wang, X Feng, H Sun, J Qi, R Lin - Remote Sensing, 2023 - mdpi.com
The performance of the underwater acoustic (UWA) orthogonal frequency division multiplexing (OFDM) system is often restrained by time-varying channels with large delays …
H Zhao, C Yang, Y Xu, F Ji, M Wen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
It is challenging to design an equalizer for the complex time-frequency doubly-selective channel. In this paper, we employ the deep unfolding approach to establish an equalizer for …
M Gümüş, TM Duman - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
We consider orthogonal frequency division multiplexing over rapidly time-varying multipath channels, for which performance of standard channel estimation and equalization …
Y Zhang, H Wang, C Li, F Meriaudeau - The Journal of the Acoustical …, 2022 - pubs.aip.org
In this paper, a data augmentation aided complex-valued network is proposed for underwater acoustic (UWA) orthogonal frequency division multiplexing (OFDM) channel …
W Huang, J Wang, X Chen, Q Peng… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
Deep learning (DL) has exhibited notable effectiveness in channel estimation for orthogonal frequency division multiplexing (OFDM) systems. However, most existing neural networks …
H Zhao, M Wen, F Ji, Y Liang, H Yu, C Yang - Digital Communications and …, 2024 - Elsevier
Abstract The Underwater Acoustic (UWA) channel is bandwidth-constrained and experiences doubly selective fading. It is challenging to acquire perfect channel knowledge …
D Wang, Y Zhang, L Wu, Y Tai, H Wang… - Journal of Marine …, 2024 - mdpi.com
In recent years, the study of deep learning techniques for underwater acoustic channel estimation has gained widespread attention. However, existing neural network channel …
Y Zhang, H Wang, C Li… - OCEANS 2022-Chennai, 2022 - ieeexplore.ieee.org
In this work, a complex-valued deep neural network (ℂ-DNN) aided channel tracking approach is proposed for underwater acoustic (UWA) orthogonal frequency division …
Developing a reliable and robust underwater acoustic communication system is a difficult task due to the complicated nature of the underwater channel, non‐stationary noise, and …