Dependence of Demodulation Performance on Bandwidth for Underwater Acoustic Communication with a Fast Moving Terminal in Shallow Water, Deguchi, Y. Kida, Y. Watanabe, T. Shimura, and H. Kubo, IEEE Oceans Brest,doi: 10.1109/oceans58557.2025.11104568
Numerical Stability Analysis of RLS-Based Equalization in Underwater Acoustic Channels, M. Deguchi, Y. Kida, Y. Watanabe, T. Shimura, Symposium on Ultrasonic Electronics
Application of a block sparse adaptive equalization to the mobile underwater acoustic communication channel, Y. Kida, M. Deguchi, Y. Watanabe, T. Shimura, Symposium on Ultrasonic Electronics
EVALUATION OF ACOUSTIC POSITIONING OF UNDERWATER VEHICLE FROM SEABED LANDER SYSTEM IN AN OCEAN EXPERIMENT, Y. Watanabe, Y. Maeda, H. Kakami, T. Aso, Proceedings of the ASME 2025 44th International Conference on Ocean, Offshore and Arctic Engineering OMAE2025
Development of High-Rate Underwater Acoustic Communication System for Ultra-Deep-Sea Submersible, Y. Kida, The 19th International Conference on Underwater Networks and System
Development of high-data-rate underwater acoustic communication for ultra-deep-sea exploration systems, Y. Kida, M. Deguchi, Y. Watanabe, T. Shimura, Sixth Joint Meeting Acoustical Society of America and Acoustical Society of Japan
Design and practical use of integrated acoustic communication and positioning system for operation of underwater vehicles in deep water, Y. Watanbe, M. Deguchi, Y. Kida, T. Shimura, Sixth Joint Meeting Acoustical Society of America and Acoustical Society of Japan
Equalization for Mitigating Nonlinear Doppler Shifts and Doppler Spreading in Underwater Acoustic Communication, M. Deguchi, Y. Kida, Y. Watanabe, T. Shimura, Sixth Joint Meeting Acoustical Society of America and Acoustical Society of Japan
Massive MIMO-OFDM for Highly-Efficient Transmission in Underwater Acoustic Communications, K. Maruta, S. Nonaka, D. Hisano, M. Deguchi, Y. Kida, T. Shimura, Sixth Joint Meeting Acoustical Society of America and Acoustical Society of Japan
Experimental demonstration of equalization with phase lock loops against Doppler shifts of multipath signals on underwater acoustic communications, M. Deguchi, Y. Kida and T. Shimura, 2023 IEEE Underwater Technology (UT), Tokyo, Japan, 2023, pp. 1-6, doi: 10.1109/UT49729.2023.10103373.
Experiments for long-range high-rate underwater acoustic MIMO communication using adaptive passive time reversal, Y. Kida, M. Deguchi, Y. Watanabe and T. Shimura, 2023 IEEE Underwater Technology (UT), Tokyo, Japan, 2023, pp. 1-6, doi: 10.1109/UT49729.2023.10103409.
Low-dimensional approximation of recursive least squares algorithm applied to decision feedback equalizer on underwater acoustic communication, M. Deguchi, Y. Kida and T. Shimura, OCEANS 2023 - MTS/IEEE U.S. Gulf Coast, Biloxi, MS, USA, 2023, pp. 1-9, doi: 10.23919/OCEANS52994.2023.10337095.
Experimental demonstration of equalization against Doppler shifts of multipath signals on underwater acoustic communications , Deguchi Mitsuyasu, Kida Yukihiro, Shimura Takuya , The 7th Underwater Acoustics Conference and Exhibition,2023,pp.529-535,
Underwater Acoustic Communication between UUV and USV with Large Relative Velocity, Naruhiro IWAMA, Takaki YAMADA, Yukihiro KIDA, Mitsuyasu DEGUCHI and Takuya SHIMURA, The 43rd Symposium on UltraSonic Electronics (USE2022).
An experiment of 400 kbps • km Class Underwater Acoustic MIMO Communication in Shallow Sea, Yukihiro Kida, Mitsuyasu Deguchi, and Takuya SHIMURA, The 43rd Symposium on UltraSonic Electronics (USE2022).
Demonstration of high rate MIMO communication with adaptive time reversal in tank experiment, Takuya SHIMURA, Yukihiro KIDA and Mitsuyasu DEGUCHI, The 38th Symposium on UltraSonic Electronics (USE2018).
Effect of transmitter movement on multiuser communication with time reversal, Takuya SHIMURA, Yukihiro KIDA, Mitsuyasu DEGUCHI and Yoshitaka WATANABE, 2018 Proceedings of Meeting of the Marine Acoustics Society of Japan, pp. 63-64.
Basic research on MIMO underwater communication using adaptive time reversal, Takuya SHIMURA, Yukihiro KIDA and Mitsuyasu DEGUCHI, The proceeding of IEEE Oceans'18 Aberdeen.
High-rate underwater acoustic communication system for SHINKAI6500, Takuya SHIMURA, Yukihiro KIDA and Mitsuyasu DEGUCHI, The proceedings of 2018 IEEE/OES Autonomous Underwater Vehicle Workshop (AUV).
Multiuser communication with moving targets using adaptive time reversal,
Takuya SHIMURA,Yukihiro KIDA and Mitsuyasu DEGUCHI,
The 38th Symposium on UltraSonic Electronics (USE2017).
Vertical multiuser communication using adaptive time reversal, Takuya SHIMURA, Yukihiro KIDA and Mitsuyasu DEGUCHI, The Journal of the Acoustical Society of America, Vol. 141, No.5, pp. 3990 (2017).
Time reversal for multiuser and MIMO communication,
Takuya SHIMURA, Yukihiro KIDA, Mitsuyasu DEGUCHI and Yoshitaka WATANABE,
2017 Proceedings of Meeting of the Marine Acoustics Society of Japan, pp. 35-36.
位相共役を用いたMIMO通信、マルチユーザ通信の研究［招待講演］,
志村拓也、出口充康、樹田行弘、渡邊佳孝、越智寛, 日本音響学会 2017年 春季研究発表会 講演論文集 pp. 1317-1318.
Time reversal MIMO or multiuser communication in underwater acoustics, Takuya SHIMURA, Mitsuyasu DEGUCHI and Yukihiro KIDA, The proceedings of the 26th Ocean Engineering Symposium (2017).
2016
Conference Proceedings 学会発表等
Multiuser and multiple-input-multiple-output underwater acoustic communication using time reversal, Takuya SHIMURA, Yukihiro KIDA, Mitsuyasu DEGUCHI, Kohji Meguro, Yoshitaka WATANABE and Hiroshi OCHI, The 5th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan, The Journal of the Acoustical Society of America, Vol. 140, No. 4, pp. 3230.
MIMO underwater acoustic communication using adaptive time reversal in deep ocean, Takuya SHIMURA, Mitsuyasu DEGUCHI, Yukihiro KIDA and Hiroshi OCHI, The 37th Symposium on UltraSonic Electronics (USE2016).
Recent experiment results of long-range time reversal communication in deep water, Takuya SHIMURA, Yukihiro KIDA, Mitsuyasu DEGUCHI, Yoshitaka WATANABE, Hiroshi OCHI, International Hydroacoustic Workshop (IHW2015).
2014
Conference Proceedings 学会発表等
Multiuser communication by adaptive time reversal in deep ocean, Takuya SHIMURA, Mitsuyasu DEGUCHI, Yukihiro KIDA, Takami MORI, Yoshitaka WATANABE, Hiroshi OCHI, The 2nd International Conference and Exhibition on Underwater Acoustics (UA2014), pp. 1191-1197 (2014).
Experiments of long-range time-reversal communication in the deep ocean, Takuya SHIMURA, Hiroshi OCHI, and Yoshitaka WATANABE, The 11th European Conference on Underwater Acoustics (ECUA2012), pp.726-730 (2012).
Recent experiment results of long-range time-reversal communication in deep ocean, Takuya SHIMURA, Hiroshi OCHI, and Yoshitaka WATANABE, The spring meeting of the Acoustical Society of America, JASA Vol. 131 (4), pp.3277 (2012).
2011
Conference Proceedings 学会発表等
Results of basic experiments for long-range communication in the deep ocean, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The Proc. of UAM2011 (4th International Conference and Exhibition on Underwater Acoustic Measurements : Technologies and Results), pp. 1417-1422 (2011).
Time-reversal communication in deep ocean - results of recent experiments -, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, International Symposium on Underwater Technology 2011 (2011).
Feasibility study on long horizontal time-reversal communication with AUV in the deep ocean, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The 10th European Conference on Underwater Acoustics (ECUA2010), Vol. 2, pp. 643-648 (2010).
Feasibility study on time-reversal communication in the deep ocean with a long cruising AUV, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The spring meeting of the Japan Society of naval architects and ocean engineering (2010).
Experiment Results of Time-Reversal Communication in the Outer Ocean, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, Proceedings of Meeting of the Marine Acoustics Society of Japan, pp. 39-40 (2010).
2009
Journal Papers 査読付き論文
Basic Study on Flow-Induced Effect to Time-Reversal Communication, Takuya SHIMURA, Hiroshi OCHI, Yoshitaka WATANABE, and Takehito HATTORI, Japanese Journal of Applied Physics, Vol. 48, No.7, 07GL02 (2009).
Conference Proceedings 学会発表等
Experiment of time-reversal communication at the range of 300 km, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The Proc. of the 30th Symposium on Ultrasonic Electronics, pp. 369-370 (2009).
Experiment results of time-reversal communication in the deep ocean at the range of 300 km, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The Autumn meeting of the acoustical society of America, JASA Vol. 126 (4), pp. 2252-2252 (2009).
Recent results of research on time-reversal communication in the deep ocean, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, IEICE Technical Report (US), Vol. 109 (180), pp. 1-5 (2009).
Recent experiment results of time-reversal communication in the deep ocean, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The 21st Ocean Engineering Symposium 2009 (2009).
Experiment results of time-reversal communication in the deep ocean at the range of 300 km, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The Proc. the 3rd International Conference and Exhibition on Underwater Acoustic Measurements : Technologies and Results, pp. 1309-1314 (2009).
Basic research on time-reversal communication with a moving source-receiver, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI, and Takehito HATTORI, The spring meeting of the acoustical society of America, JASA Vol. 125 (4), pp. 2580-2580 (2009).
2008
Journal Papers 査読付き論文
Time-Reversal Communication in Deep Ocean: Result of Second At-Sea Experiment, Takuya SHIMURA, Hiroshi OCHI, and Yoshitaka WATANABE, Japanese Journal of Applied Physics, Vol. 47, No. 5B, pp.4360-4365 (2008).
Conference Proceedings 学会発表等
Basic Study on Effect of Current Flow to Time-Reversal Communication, Takuya SHIMURA, Hiroshi OCHI, Yoshitaka WATANABE, and Takehito HATTORI, The Proceedings of the 29th Symposium on Ultrasonic Electronics, pp.117-118 (2008).
Basic at-sea experiment for long horizontal time-reversal communication in deep ocean, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI and Takehito HATTORI, The 9th European Conference on Underwater Acoustics (ECUA) (Organized in the framework of the Acoustics'08 Paris Conference) pp. 699-704 (2008).
Results of Basic At-Sea Experiments on Time-Reversal Communication in the Deep Ocean, Takuya SHIMURA, Yoshitaka WATANABE, Hiroshi OCHI and Takehito HATTORI, Oceans '08 MTS / IEEE Kobe-Techno-Ocean '08 (2008).
2007
Journal Papers 査読付き論文
First Experiment Result of Time-Reversal Communication in Deep Ocean, Takuya SHIMURA, Hiroshi OCHI, and Yoshitaka WATANABE, Japanese Journal of Applied Physics, Vol. 46, No. 7B, pp.4956-4960 (2007).
Conference Proceedings 学会発表等
Time-Reversal Communication in Deep Ocean - The result of the second at-sea experiment -, Takuya SHIMURA, Yoshitaka WATANABE and Hiroshi OCHI, The Proceedings of the 28th Symposium on Ultrasonic Electronics, pp. 185-186 (2007).
Research on long horizontal time-reversal communication in deep ocean, Takuya SHIMURA, Yoshitaka WATANABE and Hiroshi OCHI, The proceedings of UAM2007 (2nd International Conference ＆ Exhibition on "Underwater Acoustic Measurements: Technologies ＆ Results"), pp. 1365-1370 (2007).
2006
Journal Papers 査読付き論文
Basic study on time-reversal communication in shallow water with high frequency, Takuya SHIMURA, Hiroshi YOSHIDA and Lindsay Dhugal, Techno-Ocean 2006 /19th JASNAOE Ocean Engineering Symposium (2006).
Time-Reversal Communication with Moving Source-Receiver in Shallow Water, Takuya SHIMURA, Hiroshi OCHI and Yoshitaka WATANABE, Japanese Journal of Applied Physics, Vol. 45, No. 5B, pp.4847-4852 (2006).
Conference Proceedings 学会発表等
Research on Doppler Effect to Time-Reversal Communication, Takuya SHIMURA, Yoshitaka WATANABE and Hiroshi OCHI, The 8th European Conference on Underwater Acoustics (ECUA) pp.879-884 (2006)
2005
Journal Papers 査読付き論文
Basic study on active time reversal communication in shallow water, Takuya SHIMURA, Yoshitaka WATANABE and Hiroshi OCHI, Acoustical Science and Technology, Vol. 26, No.6, pp. 526-529 (2005).
Active Time Reversalによる音響通信の基礎研究、 志村 拓也、越智 寛、渡邊 佳孝、 海洋音響学会誌、Vol. 32 No. 4, pp. 16-25 (2005).
Conference Proceedings 学会発表等
A fundamental study on the application of passive time reversal to acoustic communication, Takuya SHIMURA, Hiroshi OCHI and Yoshitaka WATANABE, The Proceeding of Forum Acousticum 2005, Budapest, pp. 267-171 (2005).
2004
Journal Papers 査読付き論文
A study on the focusing property of time reversal waves, Takuya SHIMURA, Acoustical Science and Technology, Vol. 25, No. 5, pp. 364-372 (2004).
Convergence Property of Time Reversal Waves under Noisy Environment, Takuya SHIMURA, Hiroshi OCHI and Yoshitaka WATANABE, Japanese Journal of Applied Physics, Vol. 43, No. 5B, pp. 3180-3185 (2004).
Conference Proceedings 学会発表等
A Basic Research on the Long Horizontal Active Time Reversal Communication, Takuya SHIMURA, Hiroshi OCHI and Yoshitaka WATANABE, MTS/IEEE Oceans 2004, Kobe, pp. 2220-2224 (2004)
Research on the Focusing Property of Time Reversal Waves with Various Array Configurations, Takuya SHIMURA, Yoshitaka WATANABE and Hiroshi OCHI, The 18th International Congress on Acoustics (ICA2004), Kyoto, pp. 371-374 (2004).
Research on Acoustic Positioning and Estimation of Sound Velocity Profile Using Time Reversal Waves, Takuya SHIMURA, Yoshitaka WATANABE and Hiroshi OCHI, The 7th European Conference on Underwater Acoustics (ECUA), pp. 249-254 (2004).