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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2023-10-11 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) |
(To be available after the conference date) [more] | |
| NS, IN, CS, NV (Joint) |
2023-09-07 13:00 |
Miyagi | Tohoku University (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Challenges and Measures for Acoustic Detection and Underwater Communications in Extremely Shallow Waters Kazuhiko Ohta (KIT)  NS2023-50 IN2023-28 CS2023-59 |
Recently, offshore wind turbines are promoted in coastal areas, however concerns arise regarding how much sound radiated... [more] | NS2023-50 IN2023-28 CS2023-59 pp.1-4 |
| 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 |
| 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) |
| 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 |
| CS | 2022-07-14 13:55 |
Kagoshima | Yakushima Environmental and Cultural Village Center (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
An Underwater Positioning System based on Wireless Acoustic OFDM Communication for multiple AUVs team operation Tomohisa Wada (Ryukyu Univ.) CS2022-24 |
This paper proposes a new underwater positioning system which does not use INS in order to realize a compact and lower c... [more] | CS2022-24 p.46 |
| 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] | |
| MIKA (3rd) |
2021-10-28 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study of Relaying Arrangement Considering Traffic of Sensors in Submarine Optical Wireless Networks Nagisa Iwami, Tomotaka Kimura, Jun Cheng (Doshisha Univ.) |
In recent years, seafloor optical wireless networks have been attracting attention as a means of enabling high-capacity ... [more] | |
| RCS | 2021-06-24 13:30 |
Online | Online | Comparison of Differential OFDM Systems Employing Multiple Differential Detection with Channel Prediction in Doubly Selective Channels Taichi Fujita, Kota Iwamoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2021-56 |
In this paper, we compare the performance of differential orthogonal frequency division multiplexing (OFDM) for underwat... [more] | RCS2021-56 pp.163-168 |
| RCS | 2021-06-24 13:40 |
Online | Online | A Transmission Efficiency Improvement Scheme for Software Acoustic MODEMs of Differential OFDM Koki Toyoda, Hiroshi Kubo (Ritsumeikan Univ.) RCS2021-57 |
This paper discusses differential orthogonal frequency division multiplexing (DOFDM) software modems for underwater acou... [more] | RCS2021-57 pp.169-174 |
| RCS, AP, UWT (Joint) |
2020-11-27 09:25 |
Online | Online | Differential OFDM Employing Joint Detection for Underwater Acoustic Communications Hiroshi Kubo, Yuka Tanaka, Yui Nakai, Tetsuro Kubo, Haruka Toyota, Yoshitaka Yamamoto, Kouki Toyoda (Ritsumeikan Univ.) AP2020-89 RCS2020-131 |
his paper discusses differential orthogonal frequency division multiplexing (OFDM) employing joint detection (JD) for un... [more] | AP2020-89 RCS2020-131 pp.84-89(AP), pp.116-121(RCS) |
| IT, SIP, RCS | 2020-01-24 12:35 |
Hiroshima | Hiroshima City Youth Center | Differential Orthogonal Frequency-Division Multiplexing Employing AFC for Time-Varying Doppler Shifts in Underwater Acoustic Communications Yui Nakai, Yuka Tanaka, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-70 SIP2019-83 RCS2019-300 |
This paper proposes differential orthogonal frequency division multiplexing (OFDM) employing automatic frequency control... [more] | IT2019-70 SIP2019-83 RCS2019-300 pp.197-202 |
| IT, SIP, RCS | 2020-01-24 13:00 |
Hiroshima | Hiroshima City Youth Center | Performance of Doubly Differential OFDM Employing an Intercarrier Interference Self-Canceller for Underwater Acoustic Communications Yuka Tanaka, Yui Nakai, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-71 SIP2019-84 RCS2019-301 |
This paper proposes doubly differential orthogonal frequency division multiplexing (OFDM) for underwater acoustic commun... [more] | IT2019-71 SIP2019-84 RCS2019-301 pp.203-208 |
| NS, RCS (Joint) |
2019-12-19 16:05 |
Tokushima | Tokushima Univ. | Optimal Relay Placement for Seafloor Optical Wireless Networks Yoshiaki Inoue (Osaka Univ.), Takahiro Kodama (Kagawa Univ.), Tomotaka Kimura (Doshisha Univ.) NS2019-147 RCS2019-250 |
For underwater communications, acoustic wireless channels have conventionally been regarded as main media because of the... [more] | NS2019-147 RCS2019-250 pp.69-74 |
| AP, RCS (Joint) |
2019-11-22 15:45 |
Saga | Saga Univ. | [Invited Lecture]
Wireless Transmission Technologies for Underwater Acoustic Communications and Thier Performance Comparison in Acoustic Experimental Pool and Shallow-Sea Environment Hiroshi Kubo, Yoshiki Tsukamoto, Rintaro Yoshii, Takuya Takahashi, Ryuki Sano (Ritsumeikan Univ.) AP2019-140 RCS2019-235 |
This paper discusses feature's comparison and experimental evaluation results of wireless transmission technologies for ... [more] | AP2019-140 RCS2019-235 pp.187-192(AP), pp.181-186(RCS) |
| AP, RCS (Joint) |
2019-11-22 16:10 |
Saga | Saga Univ. | A MIMO Channel Simulator Employing Ray Tracing Methods for Underwater Acoustic Communications Yoshiki Tsukamoto, Hiroshi Kubo (Ritsumeikan Univ.) AP2019-141 RCS2019-236 |
This paper proposes a MIMO (multiple-input multiple-output) channel simulator for underwater acoustic communications (UW... [more] | AP2019-141 RCS2019-236 pp.193-198(AP), pp.187-192(RCS) |
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