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Deep transfer learning-based variable Doppler underwater acoustic communications.
Journal of the Acoustical Society of America, 2023This paper proposes a deep transfer learning (DTL)-based variable Doppler frequency-hopping binary frequency-shift keying underwater acoustic communication system.
Yufei Liu +5 more
semanticscholar +1 more source
Research and Implementation on a Real-Time OSDM MODEM for Underwater Acoustic Communications
IEEE Sensors Journal, 2023With the increasing demand for marine-sensing information, more and more research has been investigated on underwater wireless sensor networks (UWSNs). Underwater acoustic communication (UWAC) modulators & demodulators (MODEMs) that are used to exchange ...
Xiaoyu Yang +3 more
semanticscholar +1 more source
Synchronization techniques for underwater acoustic communications
International Journal of Communication Systems, 2023Underwater acoustic channel is a challenging medium for communication due to the presence of significant multipath, high noise, frequency‐dependent propagation loss, and high and non‐uniform Doppler spread.
T. P. S. Babu +2 more
semanticscholar +1 more source
OTFS underwater acoustic communications based on passive time reversal
Applied Acoustics, 2022Orthogonal time-frequency-space (OTFS) is a new two-dimensional (2D) modulation technique that offers reliable communications over time-varying channels.
Lianyou Jing +5 more
semanticscholar +1 more source
IEEE Transactions on Communications, 2022
A joint energy and correlation detection aided orthogonal frequency division multiplexing differential chaos shift keying (JECD-OFDM-DCSK) system is presented in this paper, where the reference and information-bearing signals of JECD-OFDM-DCSK are ...
Xiangming Cai +3 more
semanticscholar +1 more source
A joint energy and correlation detection aided orthogonal frequency division multiplexing differential chaos shift keying (JECD-OFDM-DCSK) system is presented in this paper, where the reference and information-bearing signals of JECD-OFDM-DCSK are ...
Xiangming Cai +3 more
semanticscholar +1 more source
Machine Learning for Underwater Acoustic Communications
IEEE wireless communications, 2022Energy-efficient and link-reliable underwater acoustic communication (UAC) systems are of vital importance to both marine scientific research and oceanic resource exploration.
Lihuan Huang +5 more
semanticscholar +1 more source
OTFS for Underwater Acoustic Communications: Practical System Design and Channel Estimation
OCEANS 2022, Hampton Roads, 2022Recently, orthogonal time frequency space (OTFS), a two-dimensional modulation technique designed in delay-Doppler domain, has received significant attention.
S. Hang, Wei Li
semanticscholar +1 more source
UW-CTSM: Circular Time Shift Modulation for Underwater Acoustic Communications
Wireless on Demand Network Systems and Service, 2022Pulse Position Modulation (PPM) has shown great advantages by being non-coherently implementable. However, PPM suffers from the high multipath delay in underwater acoustic channels.
Z. Qi, D. Pompili
semanticscholar +1 more source
Resilient Underwater Acoustic Communications in the Presence of Interference and Jamming
OCEANS 2022, Hampton Roads, 2022Acoustic communication is a key enabler for underwater Internet of Things networks between autonomous underwater platforms. Underwater Internet of Things networks face a harsh communications environment and limited energy resources which makes them ...
D. Jakubisin +2 more
semanticscholar +1 more source
IEEE Journal of Oceanic Engineering, 2021
Reliable acoustic communication between submersibles and surface vessels plays a critical role in deep-sea exploration. Adaptive turbo equalization can effectively combat the selective fading of underwater acoustic channels, thereby becoming one of the ...
Junyi Xi, Shefeng Yan, Lijun Xu, C. Hou
semanticscholar +1 more source
Reliable acoustic communication between submersibles and surface vessels plays a critical role in deep-sea exploration. Adaptive turbo equalization can effectively combat the selective fading of underwater acoustic channels, thereby becoming one of the ...
Junyi Xi, Shefeng Yan, Lijun Xu, C. Hou
semanticscholar +1 more source