Time reversal acoustic communication using filtered multitone modulation

L Sun, B Chen, H Li, T Zhou, R Li - Sensors, 2015 - mdpi.com
The multipath spread in underwater acoustic channels is severe and, therefore, when the
symbol rate of the time reversal (TR) acoustic communication using single-carrier (SC) …

Multiple-input multiple-output passive time reversal acoustic communication using filtered multitone modulation

H Li, L Sun, W Du, T Zhou, B Chen - Applied Acoustics, 2017 - Elsevier
Passive time reversal (PTR) technique can be exploited to reduce inter-symbol interference
(ISI) span and co-channel interference (CCI) span to some extent in the multiple-input …

Passive time reversal acoustics for horizontal shallow water acoustic communication to mitigate the effect of intersymbol interference

A Malarkodi, G Latha, S Srinivasan - Applied Acoustics, 2021 - Elsevier
Open ocean shallow water channels are characterized to be time varying, dispersive and
multipath environment causes severe Inter Symbol Interference (ISI). Passive time reversal …

Channel equalization using passive time reversal mirror in underwater acoustic communication

Y Jingwei, H Junying, G Longxiang… - 2006 International …, 2006 - ieeexplore.ieee.org
The shallow-water acoustic channel differs from radio channels in many aspects. Two
fundamental mechanisms of multipath formation are reflection at the boundaries and ray …

An underwater time reversal communication method using symbol-based Doppler compensation with a single sound pressure sensor

A Zhao, C Zeng, J Hui, L Ma, X Bi - Sensors, 2018 - mdpi.com
Due to the significant multipath and Doppler effects in the underwater acoustic (UWA)
channel, the quality of the received signal is degraded, which seriously affects the …

Time reversal communications in a time-varying sparse channel

HC Song - The Journal of the Acoustical Society of America, 2011 - pubs.aip.org
Recently, time reversal (TR) communications has been extended to time-varying channels.
The basic idea is to implement it on a block-by-block basis such that within each block the …

Performance analysis of time reversal underwater acoustic communication

N Nath, S Chouhan - OCEANS 2023-Limerick, 2023 - ieeexplore.ieee.org
In this paper, the bit error rate (BER) performance of time reversal (TR)-underwater acoustic
communication (UAC) and non-TR-UAC is evaluated, considering channel degradation …

Passive time reversal communication with cyclic shift keying over underwater acoustic channels

C He, Q Zhang, J Huang - Applied Acoustics, 2015 - Elsevier
Many advanced channel estimation and equalization algorithms have been proposed for
high-rate coherent underwater acoustic communications. However, these algorithms are …

[HTML][HTML] Time reversal communication in a time-varying sparse channel

HC Song - The Journal of the Acoustical Society of America, 2011 - pubs.aip.org
Recently time reversal (TR) communications has been extended to time-varying channels.
The basic idea is to implement it on a block-by-block basis such that within each block the …

[HTML][HTML] Time reversal acoustic communication for multiband transmission

A Song, M Badiey - The Journal of the Acoustical Society of America, 2012 - pubs.aip.org
In this letter, multiband acoustic communication is proposed to access a relatively wide
frequency band. The entire frequency band is divided into multiple separated sub-bands …