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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation of Interference Suppression Performance of ICA in Time-varying Channel Environment Soma Sumita, Haruya Ikeda (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) |
Research on underwater acoustic communication has been attracting attention in Beyond 5G/6G. Since the speed of sound i... [more] |
|
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Indoor Water Tank Transmission Experiment for Highly Efficient Underwater Acoustic OFDM Transmission Haruya Ikeda, Soma Sumita (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) |
Beyond 5G/6G aims to cover beyond terrestrial communications, e.g., space, underwater, etc. Underwater acoustic communic... [more] | |
| HIP, HCS (Joint) [detail] |
2023-09-11 13:30 |
Ehime | University of Human Environments | Acoustic and Prosodic Entrainment Analysis in Conversation With Elderly People Hiroyuki Sugimoto, Hiroki Tanaka, Satoshi Nakamura (NAIST)  HCS2023-57 HIP2023-47 |
Entrainment is observed in linguistic and non-linguistic features and is related to the quality of communication. In thi... [more] | HCS2023-57 HIP2023-47 pp.1-6 |
| SIP | 2023-08-08 14:40 |
Osaka | Osaka Univ. (Suita) Convention Center (Primary: On-site, Secondary: Online) |
[Invited Talk]
Recent Development on Acoustic Echo Canceller Kenta Iwai (Ritsumeikan Univ.) SIP2023-61 |
In hands-free tele-communication systems, acoustic echo occurs and disturbs the speech communication. To reduce the acou... [more] | SIP2023-61 pp.71-76 |
| LOIS | 2023-03-14 09:45 |
Okinawa | (Primary: On-site, Secondary: Online) |
A study of a method for extracting scenes in which the driver is talking, using the voice recorded by the drive recorder as a clue Manabu Okamoto, Takaya Chijiwa, Shoko Goto (Sojo Univ.) LOIS2022-59 |
In recent years, many commercial vehicles are equipped with drive recorders to record video and audio inside and outside... [more] | LOIS2022-59 pp.89-94 |
| SR, UWT (Joint) |
2023-01-26 15:50 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Differential OFDM Software MODEMs for Underwater Acoustic Communications Taichi Fujita, Kouichi Hashimoto, Hiroshi Kubo (Ritsumeikan Univ.) |
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more] | |
| SR, UWT (Joint) |
2023-01-26 16:15 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Double Differential OFDM Employing Decision-Feedback Multiple Deferential Detection for Time-varying Doppler Shift Koki Toyoda, Hiroshi Kubo (Ritsumeikan Univ.) |
This paper discusses doubly differential orthogonal frequency division multiplexing (D2OFDM) for underwater acoustic com... [more] | |
| IT, RCS, SIP | 2023-01-25 14:10 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Differential OFDM with Parallel Blind Demodulation Employing Different Re-Samplers for Underwater Acoustic Communications Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.) IT2022-63 SIP2022-114 RCS2022-242 |
Underwater acoustic communications (UWAC) suffer from double selectivity, where doubly-selective channels suffer from se... [more] | IT2022-63 SIP2022-114 RCS2022-242 pp.196-201 |
| IN | 2023-01-19 14:30 |
Aichi | Aichi Industry & Labor Center (Primary: On-site, Secondary: Online) |
[Invited Talk]
Research and development on maritime DX Tsuyoshi Takahashi, Kiyohito Yoshihara (KDDI Research) IN2022-59 |
Recent advances in communications such as Internet of Things and high-speed satellite communication have become key driv... [more] | IN2022-59 pp.45-52 |
| SeMI, SeMI (Joint) |
2023-01-19 15:35 |
Tokushima | Naruto grand hotel (Primary: On-site, Secondary: Online) |
[Short Paper]
Comparative Study of Object Localization by mmWave Sensing and Acoustic Wave Sensing Ryosuke Hanahara, Itsuki Yonemura, Koji Yamamoto (Kyoto Univ.), Takuto Arai, Shuki Hideki, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) SeMI2022-84 |
This paper compares sensing of indoor communication environments using the beam search method in millimeter-wave (mmWave... [more] | SeMI2022-84 pp.54-56 |
| AI | 2022-12-21 14:10 |
Fukuoka | Application of artificial intelligence techniques to multi-modal data obtained in cognitive behavioral therapy and clinical assessment
-- Identification of mental status and estimation of treatment outcomes -- Yuko Shigeeda (NCNP), Takuichi Nishimura (JAIST), Yoshitake Takebayashi (FMU), Jun Kashihara (TU), Seiji Muranaka (OU), Shun Nakajima (NCNP), Shuntaro Aoki (FMU), Chiaki Oshiyama (JAIST), Yoshihiko Kunisato (SU), Daichi Sugawara (ITF), Takumasa Tsuji, Jun'ichi Kotoku (Teikyo), Hitomi Oi, Kaichi Yabe, So Sugita, Noriko Kato, Masaya Ito (NCNP) AI2022-40 |
We are conducting research within the Area of Scientific Transformation (B), "Ultra-high-definition mental health care T... [more] | AI2022-40 pp.42-45 |
|
| RCS, AP, UWT (Joint) |
2022-11-15 14:30 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Channel Sounder for Severe Doubly-Selective Channels of Underwater Acoustic Communications Hiroshi Kubo, Kouichi Hashimoto, Taichi Fujita, Takumi Yoshimura (Ritsumeikan Univ.) RCS2022-161 |
Doubly-selectivity of underwater acoustic communications (UWAC) can be measured by channel sounders, which estimate time... [more] | RCS2022-161 pp.37-42 |
| RCS, AP, UWT (Joint) |
2022-11-15 14:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Differential OFDM for Severe Doubly-Selective Channels of Underwater Acoustic Communications Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) RCS2022-162 |
It is well known that wireless transmission technologies employing spatial combining and adaptive equalization and those... [more] | RCS2022-162 pp.43-48 |
| RCS, AP, UWT (Joint) |
2022-11-16 11:00 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Wireless Transmission Technologies for Severe Doubly-Selective Channels of Underwater Acoustic Communications Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) AP2022-155 RCS2022-166 |
It is well-known that underwater acoustic communications (UWACs) plays an important role for underwater mobile communica... [more] | AP2022-155 RCS2022-166 pp.45-50(AP), pp.67-72(RCS) |
| SIS, ITE-BCT | 2022-10-14 11:25 |
Aomori | Hachinohe Institute of Technology (Primary: On-site, Secondary: Online) |
Fundamental Study of Underwater Acoustic Communication Using a Bidirectional Retrodirective System Takahiro Ishikawa, Shingo Yoshizawa (Kitami Inst. of Tech.) SIS2022-20 |
Beamforming is a technique that concentrates wave energy in a specific direction using multiple element arrays. It can e... [more] | SIS2022-20 pp.49-52 |
| SAT, RCS (Joint) |
2022-08-25 11:15 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Joint Time-Variant Channel Estimation and Signal Detection for Underwater Acoustic MIMO-OFDM Communications Tianhao Dong, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-103 |
In underwater acoustic (UWA) communications, a combination of orthogonal frequency-division multiplexing (OFDM) and mult... [more] | RCS2022-103 pp.36-41 |
| US | 2022-08-22 13:00 |
Tokyo | Tokyo Tech (Ookayama Campus) | [Invited Talk]
Characteristics of sound propagation in underwater acoustic measurement Hiroyuki Hachiya (Tokyo Tech.) US2022-29 |
Underwater sounds are widely used for underwater communication, sonar, and wide-area measurement of ocean temperature an... [more] | US2022-29 pp.1-6 |
| US | 2022-08-22 16:05 |
Tokyo | Tokyo Tech (Ookayama Campus) | Analysis of seismic data obtained with fiber optic distributed acoustic sensor Takahiro Arioka, Kentaro Nakamura (Tokyo Tech) US2022-34 |
Distributed acoustic sensor (DAS) observes the intensity and phase of Rayleigh backscattered light to measure the strain... [more] | US2022-34 pp.29-33 |
| UWT (2nd) |
2022-06-20 15:05 |
Online | Online | Underwater Acoustic Communications from Mobile Radio Communication's Point of View Hiroshi Kubo (Ritsumeikan Univ.) |
This paper discusses channel environments and wireless transmission technologies of underwater acoustic communications (... [more] | |
| RCS, SIP, IT | 2022-01-20 10:55 |
Online | Online | Terrestrial Acoustic Communications Employing Transmit Precoding and Channel Interpolation Katsuyoshi Yamamoto, Hiroshi Kubo (Ritsumeikan Univ.) IT2021-31 SIP2021-39 RCS2021-199 |
This paper proposes 72kbps terrestrial acoustic communications (TRAC) using commercial acoustic electronic equipment and... [more] | IT2021-31 SIP2021-39 RCS2021-199 pp.18-23 |
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