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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 134  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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.)
 [more]
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.)
 [more]
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 (Ritsumeikan Univ.)
 [more]
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]
RCS, SIP, IT 2022-01-20
10:55
Online Online Terrestrial Acoustic Communications Employing Transmit Precoding and Channel Interpolation
Katsuyoshi Yamamoto, Hiroshi Kubo (Ritsumeikan Univ.) IT2021-31 SIP2021-39 RCS2021-199
This paper proposes 72kbps terrestrial acoustic communications (TRAC) using commercial acoustic electronic equipment and... [more] IT2021-31 SIP2021-39 RCS2021-199
pp.18-23
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
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
MW, WPT 2020-04-23
15:05
Online Online Circuit Theoretical Approach for Basic Characteristics of MRC-/ERC-WPT System -- Influence of the Output Impedance on WPT System --
Tsunayuki Yamamoto (Tsuyama College), Kouta Imanaga, Yoshiki Maekawa, Hiroshi Kubo, Masashi Hotta (Yamaguchi Univ.) WPT2020-7 MW2020-7
 [more] WPT2020-7 MW2020-7
pp.35-39
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)
 Results 1 - 20 of 134  /  [Next]  
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