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Review Article: Multicarrier Communication for Underwater Acoustic Channel
2013
International Journal of Communications, Network and System Sciences
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such as the channel and Doppler shift estimation, video and image transmission throw multicarrier techniques, etc. ...
In this paper, we attempt to provide an overview of the key developments, both theoretical and applied, in the particular topics regarding multicarrier communication for underwater acoustic communication ...
In Section 6, Doppler shift estimation for underwater acoustic communications is studied. ...
doi:10.4236/ijcns.2013.68039
fatcat:b5ma2ie64nc5jcxuu4e4dn24xu
A Survey of Underwater Acoustic Communication and Networking Techniques
2013
Research Journal of Applied Sciences Engineering and Technology
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Consequently, like RF communication, the concept of Multiple-Input Multiple-Out (MIMO) OFDM system has been originated for the underwater acoustic communication for increasing the channel capacity and ...
The main objective of these studies is to establish a standard, low complex and real-time acoustic network having the capabilities to handle the extremely complex and continuously time varying nature of ...
ACKENOWLEDGMENT The author is very thankful to the Chinese Scholarship Council (CSC) for awarding Scholarship, Prof. Qiao Gang for his valuable supervision and Mr. ...
doi:10.19026/rjaset.5.5022
fatcat:yseuvpz7vnbhddcvpiizf2n7oq
Experimental Evaluation of Zp-Ofdm Scheme in Time Varying Underwater Multipath Channel
2013
Research Journal of Applied Sciences Engineering and Technology
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., multipath propagation and Doppler effects) for underwater acoustic communication. ...
In this study, we are presenting the algorithm to rectify the effects of Doppler shifts and to make OFDM technique more robust and more feasible for underwater environments. ...
ACKNOWLEDGMENT The author is very thankful to faculty of Underwater Acoustic lab, Harbin Engineering University for the allowing an experimental setup, Prof. ...
doi:10.19026/rjaset.6.3807
fatcat:5niaqmeoxnaklf4hhfpwacbqni
Multi-carrier synthetic aperture communication in shallow water: Experimental results
2011
Journal of the Acoustical Society of America
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After combining multiple transmissions, an error-free reception is achieved with a low-density parity-check code, confirming the feasibility of coherent synthetic aperture communications using OFDM. ...
In order to attain reliable communications with only a single receive element, a synthetic aperture approach is applied. ...
Willett, "Sparse channel estimation for multicarrier underwater acoustic communication: From subspace ...
doi:10.1121/1.3652855
pmid:22225037
fatcat:5tjvkg3vrbgydl6cp6j5tnf7ye
Investigation of Channel Modeling and Simulation of OFDM Based Communication Near Northern Regions of Arabian Sea
2013
Research Journal of Applied Sciences Engineering and Technology
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Therefore, one of the major problems in OFDM based underwater acoustic communication is the sensitive nature of wideband acoustic subcarriers. ...
Wideband nature of oceanic channel when dealing with multicarrier acoustic subcarriers introduces severe Doppler shifts, little variations may cause overlapping of subcarriers such that entire signal can ...
This heavily noisy channel may also offer strong Doppler shifts and great multipath effect for any underwater acoustic communication. ...
doi:10.19026/rjaset.5.4833
fatcat:jb6ipqevcbfwnhowzft3krlifq
Sea Experimental for Compressive Sensing-Based Sparse Channel Estimation of Underwater Acoustic TDS-OFDM System
2022
Wireless Communications and Mobile Computing
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Moreover, prior to estimating the channel, the received PN sequence is considered in the time domain to compensate for the Doppler shift of the UWA channel. ...
acoustic communication. ...
Research on underwater communication was mainly focused on increasing data rate over the limited acoustic bandwidth and solving acoustic-based problems such as high ambient noise, Doppler shift, and propagation ...
doi:10.1155/2022/2523196
fatcat:lbzrfn543jeplit77fcqwlu53e
Fractional Fourier Based Sparse Channel Estimation for Multicarrier Underwater Acoustic Communication System
2016
2016 Sensor Signal Processing for Defence (SSPD)
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INTRODUCTION Underwater acoustic communication (UWA) [1] suffers from doubly selective (both time and frequency) channel, attributed to long delay spread and serious Doppler spread from high mobility ...
oversampling factor, and is selected as residual Doppler shift after process by FrFT. ...
doi:10.1109/sspd.2016.7590600
fatcat:7oc3ttp6cvev5mhfgs4ycygngy
Energy Harvesting for TDS-OFDM in NOMA-Based Underwater Communication Systems
2022
Sensors
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Thanks to the high spectral efficiency of NOMA, it can be a strong candidate suitable for the limited channel bandwidth of underwater acoustic communication. ...
Thanks to efficient synchronization and high energy-spectral efficiency of the time-division synchronization OFDM (TDS-OFDM), it is a significant attractive candidate for underwater multicarrier communication ...
channel using low complex time-domain equalization technique used in single carrier communication systems [1, 4, 5] . ...
doi:10.3390/s22155751
pmid:35957308
pmcid:PMC9371149
fatcat:afvfbk34n5bupdnyl4ljujlqn4
Multicarrier spread spectrum for Covert Acoustic Communications
2008
OCEANS 2008
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A multicarrier modulation scheme is presented to achieve the objective of clandestine acoustic communications. ...
Results are shown for three experiments over ranges of 8, 28, and 52 km, using a prototype acoustic modem as the transmitter and a hydrophone at the receiving end. ...
CONCLUDING REMARKS A multicarrier spread-spectrum modulation is presented for acoustic communication at low SNR. ...
doi:10.1109/oceans.2008.5151841
fatcat:dnohyslz5fbtjpqlrbx2msca24
Further results on multicarrier MFSK based underwater acoustic communications
2016
Physical Communication
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Multicarrier M -ary frequency shift keying (MFSK), a parallel transmission of multiple MFSK data streams, is one basic reference scheme for underwater acoustic communications due to lowcomplexity incoherent ...
Specifically, we adopt an OFDM based representation, develop a residual Doppler shift compensation approach at the receiver, and present different ways of computing the soft likelihood information for ...
Introduction The underwater acoustic channel is commonly regarded as one of the most challenging channels for communication [1] . ...
doi:10.1016/j.phycom.2015.12.001
fatcat:lgv3gxu22fdljfpuzii5ywk77u
Frame Boundary Detection and Deep Learning-based Doppler Shift Estimation for FBMC/OQAM Communication System in Underwater Acoustic Channels
2022
IEEE Access
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Underwater acoustic (UWA) communication is the only option for underwater long-distance wireless communication. ...
Stacked autoencoders were adopted for Doppler scale estimation and the performance of the proposed CNN-based Doppler scale estimation method was compared with the stacked autoencoders based Doppler scale ...
Underwater long-distance wireless communication is possible only with acoustic waves. As acoustic waves are at low frequencies, the available bandwidth is low. ...
doi:10.1109/access.2022.3148410
fatcat:u7jta7cztng73j2vcc6z2fngt4
Multicarrier Communication Over Underwater Acoustic Channels With Nonuniform Doppler Shifts
2008
IEEE Journal of Oceanic Engineering
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Index Terms-Multicarrier modulation, orthogonal frequencydivision multiplexing (OFDM), underwater acoustic (UWA) communication, wideband channels. ...
These results suggest that OFDM is a viable option for high-rate communications over wideband UWA channels with nonuniform Doppler shifts. ...
ACKNOWLEDGMENT The authors would like to thank the reviewers for their thoughtful comments. ...
doi:10.1109/joe.2008.920471
fatcat:rimlpdbiczeihh5vezm7kn3ywi
Detection, Synchronization, and Doppler Scale Estimation with Multicarrier Waveforms in Underwater Acoustic Communication
2008
IEEE Journal on Selected Areas in Communications
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In this paper, we propose a novel method for detection, synchronization and Doppler scale estimation for underwater acoustic communication using orthogonal frequency division multiplex (OFDM) waveforms ...
More importantly, the proposed approach avoids the need of buffering the whole data packet before data demodulation, which enables online receiver operation for multicarrier underwater acoustic communications ...
estimated residual Doppler shift. ...
doi:10.1109/jsac.2008.081204
fatcat:cumeaihxeng5tlnncnvyd6bnau
Detection, Synchronization, and Doppler Scale Estimation with Multicarrier Waveforms in Underwater Acoustic Communication
2008
OCEANS 2008 - MTS/IEEE Kobe Techno-Ocean
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In this paper, we propose a novel method for detection, synchronization and Doppler scale estimation for underwater acoustic communication using orthogonal frequency division multiplex (OFDM) waveforms ...
More importantly, the proposed approach avoids the need of buffering the whole data packet before data demodulation, which enables online receiver operation for multicarrier underwater acoustic communications ...
estimated residual Doppler shift. ...
doi:10.1109/oceanskobe.2008.4531077
fatcat:a3gydcvjevclrbshha2lnlzm5m
Doppler-Resistant Orthogonal Chirp Division Multiplexing With Multiplex Resampling for Mobile Underwater Acoustic Communication
2022
IEEE Access
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INDEX TERMS Time-varying Doppler shifts, orthogonal chirp division multiplexing, multiplex resampling, underwater acoustic communication. ...
In this paper, we propose a new method for handling time-varying Doppler shifts by adding multiplex resampling to OCDM communications. ...
They are grateful to Hui Wu and American Journal Experts (AJE) for language editing, which has improved the manuscript. ...
doi:10.1109/access.2022.3176824
fatcat:hymwwyfdcbdtdlscxad7yvts5a
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