JAMSTEC > 技術開発部 > メンバー > 志村 拓也

技術開発部

水中音響通信の研究

発表論文等

解説記事等

2024
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • 出口充康、樹田行弘、渡邊佳孝、志村拓也” 水中音響通信におけるドップラーシフトの同期性能への影響,”BI-5、2024年電子情報通信学無線通信システム研究会 (信学技報, vol. 123, no. 434, RCS2023-259,pp. 30-35, 2024年3月.)
  • 樹田 行弘、出口 充康、志村 拓也"長遅延マルチパス環境下におけるMIMOによる長距離水中音響通信の高速化:Adaptive Time ReversalとDFEによるアプローチ,"BI-5-03、2024年電子情報通信学会総合大会
  • 出口充康、樹田行弘、志村拓也”水中音響通信における帯域幅に依存した非定常ドップラーシフトの影響とその抑制,”BI-5-04、2024年電子情報通信学会総合大会
2023
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • High-Rate Underwater Acoustic MIMO Communication Using Adaptive Passive Time Reversal: Demonstrations in Shallow Water Channel,
    Yukihiro Kida, Takuya Shimura, Kenjiro Okadome and Mitsuyasu Deguchi, The 10th Forum Acousticum 2023.
  • Frequency Offset Estimation for High Data Rate Acoustic MIMO-OFDM Systems,
    Zhengnan Li, Diego A. Cuji, Yukihiro Kida, Mitsuyasu Deguchi, Takuya Shimura and Milica Stojanovic,
    IEEE/MTS Oceans'23 Limerick.
  • Experimental Demonstration of High Spectral Efficiency MIMO Underwater Acoustic Communication using Adaptive Passive Time Reversal on the Continental Shelf in Mid Latitude,
    Yukihiro Kida, Mitsuyasu Deguchi, Kenjiro Okadome, Yoshitaka Watanabe and Takuya Shimura,
    IEEE/MTS Oceans'23 Limerick.
  • M. Deguchi, Y. Kida and T. Shimura, "Experimental demonstration of equalization with phase lock loops against Doppler shifts of multipath signals on underwater acoustic communications," 2023 IEEE Underwater Technology (UT), Tokyo, Japan, 2023, pp. 1-6, doi: 10.1109/UT49729.2023.10103373.
  • Y. Kida, M. Deguchi, Y. Watanabe and T. Shimura, "Experiments for long-range high-rate underwater acoustic MIMO communication using adaptive passive time reversal," 2023 IEEE Underwater Technology (UT), Tokyo, Japan, 2023, pp. 1-6, doi: 10.1109/UT49729.2023.10103409.
  • M. Deguchi, Y. Kida and T. Shimura, "Low-dimensional approximation of recursive least squares algorithm applied to decision feedback equalizer on underwater acoustic communication," OCEANS 2023 - MTS/IEEE U.S. Gulf Coast, Biloxi, MS, USA, 2023, pp. 1-9, doi: 10.23919/OCEANS52994.2023.10337095.
  • 樹田行弘、出口充康、志村拓也、岩間成裕、"浅海域における水中音響高速移動体間通信試験の報告 ~ 相対速度10ノット以上の通信を達成 ~"第10回UWT研究会
  • 出口充康、樹田行弘、渡邊佳孝、志村拓也、"水中音響通信におけるZadoff-Chu信号 ~ MIMO通信の利用効率向上の検討," 第10回UWT研究会
  • 出口 充康、樹田 行弘、 渡邊 佳孝、 志村 拓也,”水中音響通信における遅延波位相補正処理による復調性能の改善 ,"BI-11-5, 2023年電子情報通信学会ソサイエティ大会
  • Deguchi Mitsuyasu, Kida Yukihiro, Shimura Takuya ”Experimental demonstration of equalization against Doppler shifts of multipath signals on underwater acoustic communications ,” The 7th Underwater Acoustics Conference and Exhibition,2023,pp.529-535,
2022
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • 水中音響通信用のcoherent OFDMとdifferential OFDMの比較検討,
    2023年電子情報通信学会総合大会, B-5-71,
    吉村拓真, 藤田太一, 樹田行弘, 出口充康, 志村拓也, 久保博嗣.
  • MIMO-OFDM Over a 10km Acoustic Link: An Experimental Study at the Suruga Bay, Japan,
    Zhengnan Li, Diego A. Cuji, Yukihiro Kida, Mitsuyasu Deguchi, Takuya SHIMURA and Milica Stojanovic,
    IEEE/MTS Oceans'22 Hampton Roads.
  • Frequency Offset Compensation for Vertical Underwater Acoustic Communication with a Deep Submersible,
    Diego A Cuji, Zhengnan Li, Yukihiro Kida, Mitsuyasu Deguchi, Takuya SHIMURA and Milica Stojanovic,
    The 16th ACM International Workshop on Underwater Networks (WUWNeT’22).
  • 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).
2021
Journal Papers 査読付き論文
2020
Journal Papers 査読付き論文
2019
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
2018
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • 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).
  • Time reversalによる水中音響通信の研究 ~ 空間多重通信への適用とOFDMとの性能比較~
    志村拓也、樹田行弘、出口充康、
    電子情報通信学会技術研究報告、Vol. 117, No. 190, US2017-52, pp. 31-36.
2017
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • 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).
2015
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • 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).
2013
Journal Papers 査読付き論文
2012
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • 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).
2010
Journal Papers 査読付き論文 Conference Proceedings 学会発表等
  • 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).

関連リンク 研究者総覧