Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, SRW (Joint) |
2024-03-13 13:50 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Performance Improvement for Differential OFDM in Shallow Sea Experiments of Underwater Acoustic Communications Taichi Fujita, Takaaki Shimomura, Kouichi Hashimoto, Takumi Yoshimura, Hiroshi Kubo (Ritsumeikan Univ.) RCS2023-261 |
The authors have been evaluating differential orthogonal frequency division multiplexing (OFDM) by means of the experime... [more] |
RCS2023-261 pp.42-47 |
UWT (2nd) |
2024-01-29 13:25 |
Tokyo |
Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Wideband Differential OFDM for Acoustic Communications on Wideband Acoustic Channel Measurement Takaaki Shimomura, Kouichi Hashimoto, Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.) |
Acoustic communications, e.g., underwater acoustic communications and terrestrial acoustic communications, generally use... [more] |
|
UWT (2nd) |
2024-01-29 14:15 |
Tokyo |
Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Shallow-Water Experimental Evaluation of Differential OFDM Software MODEMs for Underwater Acoustic Communications Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura, Hiroshi Kubo (Ritsumeikan Univ.) |
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more] |
|
SIP, IT, RCS |
2024-01-19 10:55 |
Miyagi |
(Primary: On-site, Secondary: Online) |
Experimental Results of Differential OFDM for Underwater Acoustic Communications in Sharrow Sea Environment Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura, Hiroshi Kubo (Ritsumeikan Univ.) IT2023-59 SIP2023-92 RCS2023-234 |
It is well known that wireless transmission technologies employing spatial combining and adaptive equalization and those... [more] |
IT2023-59 SIP2023-92 RCS2023-234 pp.157-162 |
AP, RCS (Joint) |
2023-11-17 11:25 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Differential OFDM for Underwater Acoustic Communications and its Experimental Results in Sharrow Sea Environment Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) RCS2023-172 |
It is well-known that underwater acoustic communications (UWACs) play an important role for underwater mobile communicat... [more] |
RCS2023-172 pp.101-106 |
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 14:55 |
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, SIP, IT |
2022-01-20 11:20 |
Online |
Online |
A study on application of differential trellis-coded OFDM employing multiple differential detection with channel prediction Kota Iwamoto, Hiroshi Kubo (Ritsumeikan Univ.) IT2021-32 SIP2021-40 RCS2021-200 |
This paper discusses differential orthogonal frequency division multiplexing (OFDM) for severe time and frequency select... [more] |
IT2021-32 SIP2021-40 RCS2021-200 pp.24-29 |
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 |
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 |
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 |