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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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) |
| SAT, RCS (Joint) |
2020-08-21 14:55 |
Online | Online | Differential Multi-Carrier Modulation Schemes for Severe Doubly-Selective Channels Hiroshi Kubo, Kouta Iwamoto, Tetsuro Kubo, Yuuka Tanaka, Yui Nakai (Ritsumeikan Univ.) RCS2020-88 |
This paper discusses differential multi-carrier (MC) modulation schemes on severe time and frequency selective channels,... [more] | RCS2020-88 pp.49-54 |
| SAT, RCS (Joint) |
2020-08-21 15:35 |
Online | Online | Differential trellis-coded OFDM employing multiple differential detection with channel prediction for severe doubly-selective environment Kota Iwamoto, Tetsuro Kubo, Hiroshi Kubo (Ritsumeikan Univ.) RCS2020-89 |
This paper proposes differential trellis-coded orthogonal frequency division multiplexing (OFDM) for severe time and fre... [more] | RCS2020-89 pp.55-60 |
| SAT, RCS (Joint) |
2020-08-21 16:00 |
Online | Online | Basic characteristics of Differential OFDM Employing Decision-Feedback Multiple Differential Detection with Channel Prediction Hiroaki Osafune, Hiroshi Kubo (Ritsumeikan Univ.) RCS2020-90 |
OFDM (orthogonal frequency division multiplexing) is discussed as effective system for frequency selectivity. However, i... [more] | RCS2020-90 pp.61-67 |
| SAT, RCS (Joint) |
2020-08-21 16:25 |
Online | Online | Multi-level QAM Single Carrier Block Transmission Scheme for Acoustic Communications and Consideration of the Frame Structure Katsuyoshi Yamamoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2020-91 |
This paper discusses effective frame structure for single carrier block (SCB) transmission in a double selectivity envir... [more] | RCS2020-91 pp.69-74 |
| IT, SIP, RCS | 2020-01-23 10:15 |
Hiroshima | Hiroshima City Youth Center | Experimental Evaluation Results of Acoustic Spread Spectrum Communications Employing Orthogonal Gold Sequences Haruka Toyota, Yuiti Shirasu, Ryuki Sano, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-38 SIP2019-51 RCS2019-268 |
This paper proposes code division multiple access (CDMA) acoustic spread spectrum communications for uplink terrestrial ... [more] | IT2019-38 SIP2019-51 RCS2019-268 pp.13-18 |
| IT, SIP, RCS | 2020-01-24 09:55 |
Hiroshima | Hiroshima City Youth Center | Multi-Carrier Differential Trellis-Coded Modulation/Demodulation Employing Multiple Differential Detection with Channel Prediction Tetsuro Kubo, Takuya Takahashi, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-61 SIP2019-74 RCS2019-291 |
This paper proposes a modulation scheme employing multi-carrier (MC) differential trellis-coded modulation (DTCM) and mu... [more] | IT2019-61 SIP2019-74 RCS2019-291 pp.143-148 |
| 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 |
| 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) |
| RCS | 2019-06-21 09:40 |
Okinawa | Miyakojima Hirara Port Terminal Building | Differential Orthogonal Frequency-Division Multiplexing Employing Short-Time AFC for Underwater Acoustic Communications Yui Nakai, Yuka Tanaka, Hiroshi Kubo (Ritsumeikan Univ.) RCS2019-83 |
This paper discusses differential orthogonal frequency division multiplexing (OFDM) for underwater acoustic communicatio... [more] | RCS2019-83 pp.267-272 |
| RCS | 2019-06-21 09:50 |
Okinawa | Miyakojima Hirara Port Terminal Building | RCS2019-84 |
This paper proposes code division multiple access (CDMA) acoustic spread spectrum communications for uplink terrestrial ... [more] | RCS2019-84 pp.273-278 |
| RCS | 2019-06-21 10:00 |
Okinawa | Miyakojima Hirara Port Terminal Building | Double Differential OFDM Employing an Intercarrier Interference Self-Canceller for Underwater Acoustic Communications Yuka Tanaka, Yui Nakai, Hiroshi Kubo (Ritsumeikan Univ.) RCS2019-85 |
This paper proposes doubly differential orthogonal frequency division multiplexing (OFDM) for underwater acoustic commun... [more] | RCS2019-85 pp.279-284 |
| RCS | 2019-06-21 10:10 |
Okinawa | Miyakojima Hirara Port Terminal Building | Differential Trellis-Coded Modulation Employing Multiple Differential Detection with Channel Prediction Tetsuro Kubo, Takuya Takahashi, Hiroshi Kubo (Ritsumeikan Univ.) RCS2019-86 |
This paper discusses transmission technologies with good tracking capability and good required signal to noise ratio (SN... [more] | RCS2019-86 pp.285-290 |
| CQ | 2019-05-31 14:25 |
Hiroshima | Hiroshima City University | Wireless Transmission Technologies for Severely Doubly Selective Channels
-- Towards Reliable Mobile Underwater Acoustic Communications -- Hiroshi Kubo (Ritsumeikan Univ.) CQ2019-30 |
This paper discusses wireless transmission technologies for severe time- and frequnecy-selective channels, i.e., doubly ... [more] | CQ2019-30 pp.95-100 |
| RCS, SR, SRW (Joint) |
2019-03-07 10:55 |
Kanagawa | YRP | Experimental Performance Evaluation Results of Underwater Acoustic Communication MODEMs
-- Performance Comparison in Acoustic Experimental Pool and Shallow-Sea Acoustic Environment -- Hiroshi Kubo, Masashi Takemura, Yoshiki Tsukamoto, Rintaro Yoshii, Takuya Takahashi, Ryuki Sano (Ritsumeikan Univ.) RCS2018-306 |
This paper discusses experimental evaluation results of underwater acoustic communication (UWAC) MODEMs, where UWAC MODE... [more] | RCS2018-306 pp.133-138 |
| RCS, SR, SRW (Joint) |
2019-03-07 11:20 |
Kanagawa | YRP | A Doubly-Selective Channel Simulator for Underwater Acoustic Communication Channels
-- Carrier Frequency Band Sampling Performance Bench-Mark Channel Model -- Hiroshi Kubo, Yoshiki Tsukamoto, Masashi Takemura (Ritsumeikan Univ.) RCS2018-307 |
This paper proposes a doubly-selective channel simulator for underwater acoustic communications (UWAC), where doubly-sel... [more] | RCS2018-307 pp.139-144 |
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