Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
OFT |
2023-01-19 15:35 |
Kyoto |
Campas Plaza Kyoto (Primary: On-site, Secondary: Online) |
Influence of Integral Circuit and AD Converter on Eye Pattern Observation Method of Nyquist WDM Signal Using Optical Correlation Detection Kohei Ikehata (Osaka Prefecture Univ.), Yuji Miyoshi, Hirokazu Kubota (Osaka Metropolitan Univ.) OFT2022-44 |
Optical signals used in optical communications are becoming wider band and faster as communication demand increases. In ... [more] |
OFT2022-44 pp.7-12 |
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 |
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 |
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 |
OCS, ITE-BCT, OFT, IEE-CMN [detail] |
2019-11-21 15:55 |
Yamaguchi |
Kaikyo-Messe-Shimonoseki |
Cut-off frequency dependence of N-OTDM signal de-multiplexing in correlation receiver using AIDD method. Shota Maeda, Yuji Miyoshi, Hirokazu Kubota (Osaka Prefecture Univ.) OCS2019-61 |
Recently, the Nyquist optical time division multiplexing (N-OTDM) transmission method have attracted attention in order ... [more] |
OCS2019-61 pp.25-28 |
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 |
RCS, SR, SRW (Joint) |
2019-03-07 11:20 |
Kanagawa |
YRP |
Iterative Separate Detection for Collided Packets over Space-based AIS Channels Seiya Shimizu, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Daichi Hirahara (JAXA) RCS2018-316 |
Employing satellites makes Automatic Identification System (AIS) signals available across the open oceans. As such a sat... [more] |
RCS2018-316 pp.181-186 |
RCS |
2018-06-21 13:30 |
Nagasaki |
Nagasaki University |
Differential Multi Carrier Modulation Schemes and Decision-Feedback Multiple Differential Detection with Channel Prediction for Underwater Acoustic Communications Yoshiki Tsukamoto, Masashi Takemura, Hiroshi Kubo (Ritsumeikan Univ.) RCS2018-58 |
This paper discusses multi-carrier modulation scheme with channel prediction for underwater acoustic communications (UWA... [more] |
RCS2018-58 pp.137-142 |
RCS |
2018-06-21 13:50 |
Nagasaki |
Nagasaki University |
Differential Orthogonal Frequency Division Multiplexing Employing Reed-Solomon Codes Kotaro Hotta, Hiroshi Kubo, Hiroshi Kubo (Ritsumeikan Univ.) RCS2018-60 |
This paper discusses differential orthogonal frequency-division multiplexing (OFDM) in severe time and frequency selecti... [more] |
RCS2018-60 pp.149-154 |
RCS, SR, SRW (Joint) |
2018-02-28 10:50 |
Kanagawa |
YRP |
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 |
ITS, WBS, RCC |
2017-12-14 13:30 |
Okinawa |
Tiruru/Okinawa Jichikaikan |
[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 |