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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) |
2018-02-28 10:50 |
Kanagawa | YRP (Kanagawa) | Comparisons on Differential Space-Time Coding Schemes with Channel Prediction for Fast Time-Varying Channels Hiroshi Kubo, Toshiki Mori, Akinobu Murayama, Takuma Yamagashi, Nanase Yumoto (Ritsumeikan Univ.)  RCS2017-330 |
This paper compares differential space-time coding (DSTC) schemes employing channel prediction for fast time-varying cha... [more] | RCS2017-330 pp.75-80 |
| RCS, SR, SRW (Joint) |
2018-02-28 17:50 |
Kanagawa | YRP (Kanagawa) | 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 |
| RCS, SR, SRW (Joint) |
2018-02-28 18:10 |
Kanagawa | YRP (Kanagawa) | Channel Sounders Employing Modified M Sequence for Doubly-Selective Acoustic Channels Hiroshi Kubo, Souichiro Morita, Akinobu Murayama, Nanase Yumoto, Mai Nakatsuka, Kouki Nakatsukasa (Ritsumeikan Univ.) RCS2017-345 |
In order to improve channel sounding performance, this paper discusses channel sounders employing the modified M sequenc... [more] | RCS2017-345 pp.161-166 |
| ITS, WBS, RCC | 2017-12-14 13:30 |
Okinawa | Tiruru/Okinawa Jichikaikan (Okinawa) | [Poster Presentation]
A Channel Simulator Using Modified M Sequence Kouki Nakatsukasa, Masashi Takemura, Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) WBS2017-50 ITS2017-27 RCC2017-66 |
This paper discusses a channel simulator in order to simulate acoustic channels with computer. Acoustic communications s... [more] | WBS2017-50 ITS2017-27 RCC2017-66 pp.85-88 |
| ITS, WBS, RCC | 2017-12-14 13:30 |
Okinawa | Tiruru/Okinawa Jichikaikan (Okinawa) | [Poster Presentation]
Acoustic Communications Employing Differential OFDM Yusuke Matsumoto, Masashi Takemura, Souichiro Morita, Akinobu Murayama, Takuma Yamagishi, Hiroshi Kubo (Ritsumeikan Univ.) WBS2017-51 ITS2017-28 RCC2017-67 |
This paper discusses OFDM (Orthogonal Frequency Division Multiplexing) with differential encoding assuming on acoustic c... [more] | WBS2017-51 ITS2017-28 RCC2017-67 pp.89-93 |
| ITS, WBS, RCC | 2017-12-14 13:30 |
Okinawa | Tiruru/Okinawa Jichikaikan (Okinawa) | [Poster Presentation]
Acoustic Communications Employing Spread Spectrum Using Inaudible Frequency Band Yuuki Yasuda, Masashi Takemura, Mai Nakatsuka, Keiji Yamada, Shota Nagano, Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) WBS2017-52 ITS2017-29 RCC2017-68 |
This paper discusses basic performance of spread spectrum communications for acoustic communications. This spread spectr... [more] | WBS2017-52 ITS2017-29 RCC2017-68 pp.95-99 |
| ITS, WBS, RCC | 2017-12-14 13:30 |
Okinawa | Tiruru/Okinawa Jichikaikan (Okinawa) | [Poster Presentation]
Acoustic Communications Employing Single Carrier Block Transmission Hiroyuki Nakamura, Ryuki Sano, Masashi Takemura, Mai Nakatsuka, Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) WBS2017-53 ITS2017-30 RCC2017-69 |
This paper discusses performance of single carrier block transmission using frequency domain equalization (FDE) for acou... [more] | WBS2017-53 ITS2017-30 RCC2017-69 pp.101-105 |
| RCS | 2017-06-23 09:40 |
Okinawa | Ishigaki Shoukou Kaikan (Okinawa) | An Off-Line Software MODEM Employing Commercial Acoustic Electronic Equipment and its Field Evaluation Results Masashi Takemura, Souichiro Morita, Nanase Yumoto, Akinobu Murayama (Ritsumeikan Univ.), Hiromu Kondo (JR East), Hiroshi Kubo (Ritsumeikan Univ.) RCS2017-78 |
[more] | RCS2017-78 pp.167-172 |
| RCS | 2017-06-23 09:50 |
Okinawa | Ishigaki Shoukou Kaikan (Okinawa) | Performance Improvement Schemes of Channel Sounders Using M Sequences for Acoustic Communications Mai Nakatsuka, Kouki Nakatsukasa, Souichiro Morita, Akinobu Murayama (Ritsumeikan Univ.), Tadashi Kondo (JR East), Hiroshi Kubo (Ritsumeikan Univ.) RCS2017-79 |
[more] | RCS2017-79 pp.173-178 |
| RCS, SR, SRW (Joint) |
2017-03-03 11:15 |
Tokyo | Tokyo Institute of Technology (Tokyo) | A MIMO Channel Sounder for Double Selective Acoustic Communications and its Applications to Channel Simulators Hiroshi Kubo, Akinobu Murayama, Souichirou Morita, Nanase Yumoto, Mai Nakatsuka, Masashi Takemura, Yusuke Matsumoto, Kouki Nakatsukasa (Ritsumeikan Univ.) RCS2016-326 |
This paper discusses channel sounding techniques for acoustic communications. Underwater acoustic communications and lan... [more] | RCS2016-326 pp.205-210 |
| SAT, RCS (Joint) |
2016-08-18 10:20 |
Miyagi | Tohoku Gakuin University (Miyagi) | Joint Estimation Schemes of Channel Impulse Responses and Noises Using M Sequences for Underwater Acoustic Channels Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-131 |
This paper proposes a joint estimation scheme of time-varying channel impulse responses (CIR) and noises using M sequenc... [more] | RCS2016-131 pp.13-18 |
| SAT, RCS (Joint) |
2016-08-18 10:45 |
Miyagi | Tohoku Gakuin University (Miyagi) | Spread Spectrum Acoustic Communications Using Water Current Sounds for their Spreading Codes Keiji Yamada, Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-132 |
This paper proposes spread spectrum acoustic communications using natural water current sounds for their spreading codes... [more] | RCS2016-132 pp.19-23 |
| SAT, RCS (Joint) |
2016-08-19 12:40 |
Miyagi | Tohoku Gakuin University (Miyagi) | Multiple Differential Detection Employing First-Order Channel Prediction Based on Per-Survivor Processing for Fast Time-Varying Channels Nanase Yumoto, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-149 |
This paper proposes multiple differential detection based on per-survivor processing (PSP-MDD) employing first-order cha... [more] | RCS2016-149 pp.113-118 |
| SAT, RCS (Joint) |
2016-08-19 13:05 |
Miyagi | Tohoku Gakuin University (Miyagi) | Decision-Feedback Block Differential Detection for M-ary PSK Akinobu Murayama, Nanase Yumoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-150 |
This paper discusses performance of decision-feedback block differential detection (DFBDD) for differential space-time b... [more] | RCS2016-150 pp.119-124 |
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-20 16:15 |
Aichi | (Aichi) | Differential MIMO Spatial Multiplexing Employing PADM Based on Channel Prediction for Fast Time-Varying Channels Toshiki Mori, Takuma Yamagishi, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-100 |
This paper proposes a demodulation scheme based on channel prediction for differential multiple-input multiple-output (M... [more] | RCS2016-100 pp.35-40 |
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-20 16:40 |
Aichi | (Aichi) | Non-Coherent MIMO PADM Transmit Divertity for P-MP Communications on the Fast Time-Varying Beat Interference Takuma Yamagishi, Toshiki Mori, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-101 |
This paper proposes point to multi-point (P-MP) communication systems for beat interference channels with large frequenc... [more] | RCS2016-101 pp.41-46 |
| RCS, IT, SIP | 2016-01-18 13:40 |
Osaka | Kwansei Gakuin Univ. Osaka Umeda Campus (Osaka) | Field Evaluation Results of Inaudible Frequency Band Acoustic Communications in Station Environment Shigetoshi Yoshida, Kazuto Miura, Tetsuya Abe (JR East), Akinobu Murayama, Souichiro Morita, Nanase Yumuto, Takahide Ichikawa, Ritsuko Miyazaki, Hiroshi Kubo (Ritsumeikan Univ.) IT2015-72 SIP2015-86 RCS2015-304 |
This paper discusses field evaluation results of inaudible frequency band ultra-sonic acoustic communications in JR East... [more] | IT2015-72 SIP2015-86 RCS2015-304 pp.143-148 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 10:20 |
Okinawa | Okinawa Prefectural Museum & Art Museum (Okinawa) | Off-Line Field Evaluation Systems Employing Acoustic Electronic Equipments for Under Water Acoustic Communications Souichiro Morita, Akinobu Murayama, Nanase Yumoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2015-227 |
This paper proposes structures of off-line field evaluation systems for under water acoustic communications (UWAC). The ... [more] | RCS2015-227 pp.221-226 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 10:55 |
Okinawa | Okinawa Prefectural Museum & Art Museum (Okinawa) | Channel Sounders for Under Water Acoustic Communications in the Presence of Double Selective Channel Environments Akinobu Murayama, Souichiro Morita, Nanase Yumoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2015-231 |
(To be available after the conference date) [more] | RCS2015-231 pp.245-250 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 11:20 |
Okinawa | Okinawa Prefectural Museum & Art Museum (Okinawa) | 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 |
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