Experimental study of doppler effect for underwater acoustic communication using orthogonal signal division multiplexing

T Ebihara, K Mizutani - Japanese Journal of Applied Physics, 2012 - iopscience.iop.org
This paper is about the underwater acoustic (UWA) communication using orthogonal signal
division multiplexing (OSDM) in shallow water, whose environment is time spread and …

Basic study of orthogonal signal division multiplexing for underwater acoustic communication: A comparative study

T Ebihara, K Mizutani, N Wakatsuki - Japanese Journal of …, 2010 - iopscience.iop.org
Underwater acoustic (UWA) communication in shallow water has been challenging owing to
multipath-induced signal distortion and motion-induced Doppler distortion. In this study, we …

Study of Doppler shift correction for underwater acoustic communication using orthogonal signal division multiplexing

T Ebihara, K Mizutani - Japanese journal of applied physics, 2011 - iopscience.iop.org
In this study, we apply Doppler shift correction schemes for underwater acoustic (UWA)
communication with orthogonal signal division multiplexing (OSDM) to achieve stable …

Field testing of underwater acoustic communication using Doppler-resilient orthogonal signal division multiplexing in coastal area of Suruga Bay

T Ebihara, H Ogasawara, K Mizutani… - Japanese Journal of …, 2019 - iopscience.iop.org
Mobile underwater acoustic (UWA) communication is still challenging, since the mobile
UWA channel is characterized by severe delay and Doppler spreads. In this paper, we …

Experiment of underwater acoustic communication with an orthogonal signal division multiplexing scheme in a harbor

T EBIHARA, H OGASAWARA… - The Journal of the Marine …, 2014 - jstage.jst.go.jp
Underwater acoustic (UWA) communication is still a challenging area of research, as
methods to deal with large intersymbol interference and Doppler spread are needed. We …

Analysis of effects of multipath signal with nonuniform Doppler shift on vertical underwater acoustic communication

M Deguchi, Y Kida, Y Watanabe… - Japanese Journal of …, 2018 - iopscience.iop.org
In this research, effects of a multipath signal with a nonuniform Doppler shift on underwater
acoustic communication between surface and underwater vehicles are investigated by …

Underwater acoustic communication using orthogonal signal division multiplexing with windowing

Y Tabata, T Ebihara, H Ogasawara… - Japanese Journal of …, 2022 - iopscience.iop.org
Underwater acoustic (UWA) communication is an essential technology that supports
underwater surveys by transmitting images and movies wirelessly. However, UWA …

Improvement of power efficiency for underwater acoustic communication using orthogonal signal division multiplexing over multiple transducers

T Ebihara - Japanese Journal of Applied Physics, 2013 - iopscience.iop.org
In underwater acoustic (UWA) communication, power efficiency is one of the important
characteristics. This paper is about multistream transmission using orthogonal signal …

Underwater acoustic communication using orthogonal signal division multiplexing scheme with time diversity

T Ebihara, H Ogasawara… - Japanese Journal of …, 2016 - iopscience.iop.org
In this paper, an underwater acoustic (UWA) communication scheme for mobile platforms is
proposed. The proposed scheme is based on the orthogonal signal division multiplexing …

Performance analysis of acoustic communication using OFDM modulation in underwater

J Han, YJ Son, KM Kim - Journal of Navigation and Port Research, 2010 - koreascience.kr
The performance of underwater communication system is influenced on channel
characteristic. Delay spread cause by reverberation and multi-path happen the ISI (Inter …