[HTML][HTML] Review of underwater sensing technologies and applications

K Sun, W Cui, C Chen - Sensors, 2021 - mdpi.com
As the ocean development process speeds up, the technical means of ocean exploration
are being upgraded. Due to the characteristics of seawater and the complex underwater …

On the effect of channel knowledge in underwater acoustic communications: Estimation, prediction and protocol

A Petroni, G Scarano, R Cusani, M Biagi - Electronics, 2023 - mdpi.com
Underwater acoustic communications are limited by the following channel impairments: time
variability, narrow bandwidth, multipath, frequency selective fading and the Doppler effect …

Acoustic dual-function communication and echo-location in inaudible band

G Allegro, A Fascista, A Coluccia - Sensors, 2022 - mdpi.com
Acoustic communications are experiencing renewed interest as alternative solutions to
traditional RF communications, not only in RF-denied environments (such as underwater) …

Experimental and simulation study of a LoRaWAN-assisted relay for IoUT communication

J Bolboli, M Salman, RP Naik… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A low-power, low-latency, and long-range (LoRa) relay is developed using mixed-frequency
underwater wireless communication systems (UWCSs) for LoRa wide-area network. First …

[HTML][HTML] Authentication of underwater assets

BZ Téglásy, E Wengle, JR Potter, S Katsikas - Computer Networks, 2024 - Elsevier
Secure digital wireless communication in the acoustic domain has become a key issue as
underwater operations shift towards employing a heterogeneous mix of robotic assets and …

Reinforcement learning-based adaptive modulation scheme over underwater acoustic OFDM communication channels

X Cui, Z Zhang, J Li, B Jiang, S Li, J Liu - Physical Communication, 2023 - Elsevier
The conventional adaptive modulation (AM) technology is restricted in its effectiveness
within the rapidly changing time-space-frequency of the underwater acoustic (UWA) …

Design and performance evaluation of SEANet, a software-defined networking platform for the Internet of Underwater Things

D Unal, S Falleni, K Enhos, E Demirors, S Basagni… - Computer Networks, 2024 - Elsevier
This paper presents the design and performance evaluation of the SEANet platform, a
software-defined acoustic modem designed for enhancing underwater networking and …

Deep reinforcement learning-based adaptive modulation for OFDM underwater acoustic communication system

X Cui, P Yan, J Li, S Li, J Liu - EURASIP Journal on Advances in Signal …, 2023 - Springer
Due to the time-varying and space-varying characteristics of the underwater acoustic
channel, the communication process may be seriously disturbed. Thus, the underwater …

Dual-band filtering and enhanced directional via tunable acoustic metamaterial antennas

J Xiao, X Ding, H Pan, Y Zhang, Q He… - Smart Materials and …, 2024 - iopscience.iop.org
The detection of acoustic signals in strong background noise plays a crucial role in industrial
non-destructive, mechanical equipment health monitoring and acoustic communication. The …

[HTML][HTML] Reinforcement learning-based automated modulation switching algorithm for an enhanced underwater acoustic communication

T Sweta, S Ruthrapriya, J Sneka, JSR Alex… - Results in …, 2024 - Elsevier
Acoustic communication is the preferred method for underwater communication due to its
superior propagation characteristics, including longer range, lower attenuation, better …