Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, SRW (Joint) |
2024-03-13 13:00 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Effects of the Doppler shift on synchronization in underwater acoustic communication Mitsuyasu Deguchi, Yukihiro Kida, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC) RCS2023-259 |
[more] |
RCS2023-259 pp.30-35 |
RCS, SR, SRW (Joint) |
2024-03-13 13:25 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Underwater Acoustic Communication Between Autonomous Surface Vehicle and Autonomous Underwater Vehicle in Shallow Sea Channel
-- Experimental Demonstration of the Mobile Communication Between High Speed Vehicles Using a Multi-channel Decision Feedback Equalizer Approach -- Yukihiro Kida, Mitsuyasu Deguchi, Takuya Shimura (JAMSTEC), Narihiro Iwama (ATLA) RCS2023-260 |
Underwater acoustic communication is known for one of the most severe doubly selective propagation environment with sign... [more] |
RCS2023-260 pp.36-41 |
UWT (2nd) |
2023-11-27 15:50 |
Shiga |
Ritsumeikan University Biwako-Kusatsu Campus (BKC) |
[Invited Lecture]
utilization of Zadoff-Chu signals on underwater acoustic communication
-- improving efficiecy of MIMO communication -- Mitsuyasu Deguchi, Yukihiro Kida, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC) |
[more] |
|
UWT (2nd) |
2023-11-27 16:15 |
Shiga |
Ritsumeikan University Biwako-Kusatsu Campus (BKC) |
[Invited Lecture]
An experiment of underwater acoustic communication between fastly moving vehicles in shallow sea.
-- A demonstration of a mobile underwaetr communication in the relative velocity of higher than 10 kt -- Yukihiro Kida, Mitsuyasu Deguchi, Takuya Shimura (JAMSTEC), Narihiro Iwama (ATLA) |
[more] |
|
RCS, AP, UWT (Joint) |
2020-11-26 11:20 |
Online |
Online |
[Invited Lecture]
Adaptive digital down-conversion for underwater acoustic communication Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC) AP2020-86 RCS2020-125 |
In underwater acoustic communication, effects of the Doppler shift is much larger than that of the radio communication i... [more] |
AP2020-86 RCS2020-125 pp.72-77(AP), pp.87-92(RCS) |
AP, RCS (Joint) |
2019-11-22 15:05 |
Saga |
Saga Univ. |
[Invited Lecture]
Study on Underwater Acoustic Communication using Time-Reversal DFE
-- Application for MIMO and Multiuser Communication -- Takuya Shimura, Mitsuyasu Deguchi, Yukihiro Kida, Yoshitakawa Watanabe (JAMSTEC) AP2019-139 RCS2019-234 |
In underwater acoustic communication, effects of multipath interferences and Doppler shift are much larger than those in... [more] |
AP2019-139 RCS2019-234 pp.181-186(AP), pp.175-180(RCS) |
US |
2019-08-28 15:45 |
Tokyo |
|
Research and Development of High-Rate Underwater Acoustic Communication
-- Research on Time-Reversal MIMO Acoustic Communication and Development of Acoustic Communication System for Manned Submersible SHINKAI6500 -- Takuya Shimura, Mitsuyasu Deguchi, Yukihiro Kida, Yoshitaka Watanabe (JAMSTEC) US2019-43 |
In underwater acoustic communication, effects of multipath interferences and Doppler shift are much larger than those in... [more] |
US2019-43 pp.33-38 |
US |
2017-08-31 13:50 |
Kanagawa |
|
Research on time reversal underwater acoustic communication
-- Application for spatial division multiplexing in comparison with OFDM -- Takuya Shimura, Yukihiro Kida, Mitsuyasu Deguchi (JAMSTEC) US2017-52 |
Time reversal is an effective method for channel equalization in underwater acoustic communication. Its temporal and spa... [more] |
US2017-52 pp.31-36 |
US |
2011-08-30 14:45 |
Ibaraki |
NRIFE |
An Ocean Experiment of Long Range Acoustic Positioning for Underwater Vehicle Yoshitaka Watanabe, Hiroshi Ochi, Takuya Shimura (JAMSTEC) US2011-44 |
In this paper, an ocean experiment on long range acoustic positioning for long range cruising autonomous underwater vehi... [more] |
US2011-44 pp.17-20 |
US |
2009-08-28 13:00 |
Tokyo |
|
Recent results of research on time-reversal communication in the deep ocean. Takuya Shimura, Hiroshi Ochi, Yoshitaka Watanabe (JAMSTEC), Takehito Hattori (NME) US2009-29 |
We have researched on time-reversal communication in the deep ocean and have proposed a method of combining time reversa... [more] |
US2009-29 pp.1-5 |
US |
2009-08-28 13:25 |
Tokyo |
|
Results of the High Speed Acoustic Communication Experiment at Deep Sea in February 2009 Hiroshi Ochi, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC), Takehito Hattori (NME) US2009-30 |
[more] |
US2009-30 pp.7-10 |
US |
2008-08-29 15:45 |
Tokyo |
Jamstec |
An SSBL Acoustic Positioning of AUV with DSSS Data Transmission Yoshitaka Watanabe, Hiroshi Ochi, Takuya Shimura (JAMSTEC), Takehito Hattori (Nippon Marine Enterprises Ltd.) US2008-30 |
Recently precious observations of the sea bottom have been implemented in the world. An AUV is typically navigated by an... [more] |
US2008-30 pp.21-26 |
US |
2008-08-29 16:15 |
Tokyo |
Jamstec |
A Characteristic Measurement for the Number of the Receiving Channels of the QPSK Demodulator Hiroshi Ochi, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC), Takehito Hattori (NME) US2008-31 |
[more] |
US2008-31 pp.27-32 |
US |
2007-08-24 10:30 |
Kanagawa |
The Port and Airport Research Institute |
Results of an Underwater Communication Experiment at Deep Sea Using QPSK and 8PSK Hiroshi Ochi, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC) US2007-28 |
In JAMSTEC, short-range (up to 500 m) high speed (over 64 kbps) acoustic communication system for deep sea environment h... [more] |
US2007-28 pp.1-5 |