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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, CS (Joint) |
2023-01-13 09:25 |
Fukuoka | CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
Phase compensation method in core-selective switch for few-mode multi-core fiber using spatial light modulator Ryo Watanabe, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.)  OCS2022-63 |
In order to realize Dence SDM transmission using Few-Mode Multi-Core Fiber(FM-MCF), a switching device adapted to spatia... [more] | OCS2022-63 pp.18-21 |
| 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, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) AP2022-155 RCS2022-166 |
It is well-known that underwater acoustic communications (UWACs) plays an important role for underwater mobile communica... [more] | AP2022-155 RCS2022-166 pp.45-50(AP), pp.67-72(RCS) |
| AP, SANE, SAT (Joint) |
2022-07-29 11:15 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Evaluation of Secure Transmission Performance of Spatially-Selective Modulation in an Indoor Environment Hitoro Yonawa, Yuka Morishima, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2022-57 |
As a physical layer security technique, we have proposed spatially-selective modulation (SSM) which consists of multiple... [more] | AP2022-57 pp.129-134 |
| RCS | 2021-06-24 13:10 |
Online | Online | A Study on Gaussian Belief Propagation Detector for High-Dimensional OTFS Modulation Yuya Ito, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.), Noboru Osawa, Kosuke Yamazaki, Yoji Kishi (KDDI Research) RCS2021-54 |
This paper proposes a demodulation (detection) scheme via Gaussian belief propagation (GaBP) for orthogonal time frequen... [more] | RCS2021-54 pp.151-156 |
| 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 |
| 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) |
| 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 |
| OPE, LQE, OCS | 2018-10-19 10:55 |
Saga | Mode Crosstalk Analysis for Active-MMI Mode-Selective Light Source Tomotaka Mori, Bingzhou Hong, Haisong Jiang, Kiichi Hamamoto (Kyushu Univ.) OCS2018-43 OPE2018-79 LQE2018-68 |
Due to recent advancing of AI and big data, interconnection of supercomputer may exceed transmission capacity over Tbps ... [more] | OCS2018-43 OPE2018-79 LQE2018-68 pp.81-86 |
|
| RCS, SR, SRW (Joint) |
2018-02-28 16:50 |
Kanagawa | YRP | Digital Transmission Analysis from Propagation Viewpoint Yoshio Karasawa RCS2017-341 |
In order to investigate the physical limit of digital transmission in multipath environments, in our previous reports, w... [more] | RCS2017-341 pp.137-142 |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2016-11-11 10:45 |
Nagasaki | Nagasaki Shoko Kaigi Sho | Study on selective mode utilization in the large effective area few-mode fiber Takayoshi Mori, Taiji Sakamoto, Masaki Wada, Azusa Urushibara, Takashi Yamamoto, Kazuhide Nakajima (NTT) OCS2016-62 |
In this paper, the selective mode use of a few-mode fiber is proposed. We design and fabricate a few-mode fiber with a l... [more] | OCS2016-62 pp.43-48 |
| OFT | 2012-01-19 16:30 |
Kagawa | PCF single-mode launch device for ultra-wideband WDM transmission in multi-mode fiber Lin Ma, Nobutomo Hanzawa, Kyozo Tsujikawa, Shigeru Tomita (NTT) OFT2011-61 |
We proposed a center launching technique using endlessly single-mode photonic crystal fibers. This method can be used fo... [more] | OFT2011-61 pp.27-31 |
|
| MW | 2010-11-26 10:20 |
Okinawa | Tiruru | Design of Waveguide Filter with Multiple Attenuation Poles Using FSS Resonators at Input and Output Coaxial Ports Masataka Ohira, Zhewang Ma (Saitama Univ.), Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) MW2010-116 |
This paper proposes a novel coaxial-excited waveguide filter, of which the resonator is a new planar resonator called th... [more] | MW2010-116 pp.65-70 |
| AN, USN, SR, RCS (Joint) |
2010-10-27 15:00 |
Osaka | Osaka University | Analytical Study of Service Availability Improvement in Heterogeneous Radio Networks
-- Experimental measurement of transmission quality and analysis of quality improvement -- Kanshiro Kashiki, Tadayuki Fukuhara, Akira Yamaguchi, Toshinori Suzuki (KDDI Labs) SR2010-46 |
From the viewpoint of service availability, which is an important evaluation factor in communication quality, we analyti... [more] | SR2010-46 pp.41-48 |
| SR | 2009-07-30 11:45 |
Tokyo | Tokyo institute of technology | Transmission Schemes of Cognitive Radio System with Power Control over Rayleigh Fading Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-43 |
This paper addresses the transmission schemes of cognitive radio system (CRS) with power control. An adaptive power cont... [more] | SR2009-43 pp.131-138 |
| RCS, NS (Joint) |
2008-07-18 14:50 |
Kyoto | Kyoto University | A Study on Transmission Mode Selection for OFDM ISI Suppression Scheme using Periodic Signals Tatsuya Fukui, Fumiaki Maehara (Waseda Univ.) RCS2008-46 |
OFDM has become one of the most promising techniques because of its high bandwidth efficiency as well as its robustnes... [more] |
RCS2008-46 pp.85-90 |
| CS | 2004-10-29 11:05 |
Hokkaido | Lake Akan, Hokkaido | Delay Analysis of the Selective-Repeat ARQ with the Per Flow Re-sequencing Toshihiro Shikama (Mitsubishi Electric Corp.), Takashi Watanabe, Tadanori Mizuno (Shizuoka Univ.) |
SR (Selective-Repeat) ARQ (Automatic Repeat reQuest) is used to recover packet errors on a satellite channel effectively... [more] | CS2004-95 pp.43-48 |
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