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All Technical Committee Conferences (Searched in: All Years)
| 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 |
In underwater acoustic communication, the Doppler shifts can degrade demodulation performance more severely than that in... [more] | RCS2023-259 pp.30-35 |
| 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] | |
| 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 | 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 |
| RCS, SIP (Joint) |
2006-01-27 09:40 |
Fukuoka | Kyusyu Univ. | A Study on 600Mbps Wireless LAN Systems using a Group Layered Space-Time Coding Yoshitaka Watanabe, Yuhei Nagao, Masayuki Kurosaki, Hiroshi Ochi (KIT) |
This paper reports a 600Mbps wireless LAN system using the GLST MIMO technology which combines the LST system, in which ... [more] | RCS2005-157 pp.11-16 |
| RCS, AP, WBS, MW, MoNA | 2005-03-03 13:20 |
Kanagawa | Yokosuka Research Park | A Study on Channel Estimation Methods for MIMO-STBC System Yoshitaka Watanabe (Kyutech), Shigenori Kinjo (Que-Wave), Hiroshi Ochi (Kyutech) |
In this paper, we introduce the modulation of OFDM system and the encoding technique of STBC, setting up multi antennas ... [more] | WBS2004-113 AP2004-294 RCS2004-381 MoMuC2004-164 MW2004-291 pp.87-92 |
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