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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 |
| HCS | 2024-03-03 09:20 |
Shizuoka | Tokoha University(Shizuoka-Kusanagi Campus) | Environment Recognition System for Visually Impaired People Using LIDAR Mounted on User's Head
-- Improvements of Distance Measurement/Acoustic Signal Conversion and Experimental Evaluation -- Liqi Zhu, Tetsuo Tsujioka, Shigeyoshi Nakajima, Hitoshi Watanabe, Ikuo Oka (Osaka Metropolitan Univ.) HCS2023-103 |
LIDAR technology is often used to detect surrounding environment around users. For visually impaired people, a system th... [more] | HCS2023-103 pp.86-91 |
| US | 2024-02-27 15:50 |
Tokyo | Tokyo Metropolitan Industrial Technology Research Institute (TIRI) | Improvement of time reversal acoustic focusing applied with modulated signal Ayumu Takahashi, Hideyuki Nomura (UEC) US2023-79 |
Time reversal focusing uses multiple transducers in non-destructive testing. Although focusing efficiency decreases, a s... [more] | US2023-79 pp.29-31 |
| OFT | 2024-01-19 09:30 |
Hyogo | (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
A Simultaneous Audio and Temperature Sensing System Employing In-Line Mach-Zehnder Interferometer Sensor Jian Geng, Naoto Kishi (UEC) OFT2023-59 |
A simultaneous audio and temperature sensing system employing the in-line Mach-Zehnder interferometer (IMZI) sensor with... [more] | OFT2023-59 pp.17-22 |
| US | 2023-06-16 14:35 |
Kyoto | Muromachi Campus, Doshisha University | Application of transient vibration response excited by acoustic radiation force to imaging of metal foil Koko Kitamura, Hideyuki Nomura (UEC) US2023-12 |
Vibro-acoustography visualizes the mechanical properties of an object with the vibration or acoustic emission induced by... [more] | US2023-12 pp.15-19 |
| US | 2022-08-22 14:30 |
Tokyo | Tokyo Tech (Ookayama Campus) | Doppler tolerance of signals generated by combining multiple linear chirp signals and M-sequence Shota Urakawa, Eri Sato, Takanobu Kuroyama, Hanako Ogasawara, Kazuyoshi Mori (NDA) US2022-31 |
A multi-source Multi Static Sonar (MSS) of which the detection volume is larger than that of the conventional MSS has be... [more] | US2022-31 pp.13-18 |
| US | 2019-06-17 14:55 |
Tokyo | Akihabara satellite campus, Tokyo Metropolitan University | Signal Coding Method for Acoustic Sensing in Occlusion Area Using Super-directional Sound Source Seiji Kouyama, Kan Okubo, Norio Tagawa (TMU) US2019-22 |
Acoustic sensing is sensing in air using sound waves. As sensing technology, various kinds of signals such as light, ra... [more] |
US2019-22 pp.15-19 |
| OFT | 2018-10-11 14:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Observation of GAWBS noise and development of its compensation technique in digital coherent optical transmission Naoya Takefushi, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OFT2018-29 |
Guided acoustic-wave Brillouin scattering (GAWBS) noise is an optical phase fluctuation that occurs coherently with ther... [more] | OFT2018-29 pp.79-83 |
| RCS | 2018-06-21 13:30 |
Nagasaki | Nagasaki University | Differential Multi Carrier Modulation Schemes and Decision-Feedback Multiple Differential Detection with Channel Prediction for Underwater Acoustic Communications Yoshiki Tsukamoto, Masashi Takemura, Hiroshi Kubo (Ritsumeikan Univ.) RCS2018-58 |
This paper discusses multi-carrier modulation scheme with channel prediction for underwater acoustic communications (UWA... [more] | RCS2018-58 pp.137-142 |
| RCS, SR, SRW (Joint) |
2018-02-28 17:50 |
Kanagawa | YRP | An Off-Line Software Modem for Multi-Carrier Acoustic Communications Hiroshi Kubo, Masashi Takemura, Akinobu Murayama, Souichiro Morita, Nanase Yumoto, Toshiki Mori, Takuma Yamagishi (Ritsumeikan Univ.) RCS2017-344 |
This paper discusses an off-line software modem for multi-carrier acoustic communications. Acoustic communications, e.g.... [more] | RCS2017-344 pp.155-160 |
| IN, RCS (Joint) |
2016-05-20 09:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Underwater Acoustic OFDM Communication Using Data Selective Rake Reception in Multipath Environment beyond Guard Interval Shingo Yoshizawa, Hiroshi Tanimoto (Kitami Inst. of Tech.), Takashi Saito (Mitsubishi TOKKI) RCS2016-36 |
Recent underwater acoustic communication has adopted OFDM for countermeasure of multipath. If a delay spread of multipat... [more] | RCS2016-36 pp.67-72 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 11:20 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Bit Error Rate Performance of Single Carrier Differential QPSK/Differential Detection in Actual Under Water Acoustic Communications Environment Nanase Yumoto, Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2015-232 |
This paper discusses bit error rate (BER) performance of underwater acoustic communications (UWAC) in actual under water... [more] | RCS2015-232 pp.251-256 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 11:45 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Under Water Environment Acoustic Signal Detection Schemes Employing Dual-Loop Adaptive Noise Cancelling Based on Analog Network Coding Shota Nagano, Shohei Kawai, Hiroshi Kubo (Ritsumeikan Univ.) RCS2015-233 |
This paper proposes under water environment acoustic signal detection schemes employing dual-loop adaptive noise canceli... [more] | RCS2015-233 pp.257-262 |
| US | 2012-08-28 10:00 |
Overseas | Pukyong National University | Performance of QPSK with Convolutional Code in Highly Reverberant Channel Woo Yang, Chulwon Seo, Jihyun Park, Kyu-Chil Park, Jong Rak Yoon (Pukyong National Univ.) US2012-46 |
In underwater acoustic (UWA) communication with high-speed, due to the initial situation of the channel, signal will ine... [more] | US2012-46 pp.65-68 |
| US | 2011-07-28 14:10 |
Kyoto | Kyoto Electronics Manufacturing Co., Ltd. | Three-dimensional focus scanning by a liquid lens using acoustic radiation force Daisuke Koyama, Ryoichi Isago, Kentaro Nakamura (Tokyo Tech) US2011-28 |
A liquid lens was fabricated whose focal point can be varied in the axial and radial directions. We have been developin... [more] |
US2011-28 pp.33-38 |
| 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 |
|
| RCS | 2006-09-01 14:30 |
Miyagi | Tohoku Univ. | Compensation of sampling frequency shift for Acoustic OFDM Yusuke Nakashima, Hosei Matsuoka, Takeshi Yoshimura (NTT DoCoMo) RCS2006-127 |
In this paper, we propose a compensation method of sampling frequency shift for Acoustic OFDM. Acoustic OFDM is a data t... [more] | RCS2006-127 pp.133-138 |
| RCS, NS (Joint) |
2006-07-20 13:40 |
Hokkaido | Hokkaido Univ. | Aerial Transmission Characteristics of Acoustic OFDM Yusuke Nakashima, Hosei Matsuoka, Takeshi Yoshimura (NTT DoCoMo) RCS2006-82 |
In this paper, we present an aerial transmission characteristics of Acoustic OFDM. Acoustic OFDM is a data transmission ... [more] | RCS2006-82 pp.139-144 |
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