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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT | 2024-03-14 09:55 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
System Evaluation of the Ground-Based Integrated Power Generation and Transmission Panel Aimed at Realizing Space Solar Power System Akihito Ogawa, Naohiro Tanaka, Shinichi Okamoto (IA)  WPT2023-36 |
Various models are proposed globally for the future of Space Solar Power System. One such model, the USEF2006 model, pro... [more] | WPT2023-36 pp.7-11 |
| RCS, SR, SRW (Joint) |
2024-03-15 09:45 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Consideration of Space Network Utilization in 6G Eiji Okamoto (NITech) RCS2023-282 SR2023-105 SRW2023-69 |
Non-terrestrial networks (NTNs) are expected to be an effective means of “super coverage extension” to remote areas on t... [more] | RCS2023-282 SR2023-105 SRW2023-69 p.131(RCS), p.63(SR), p.96(SRW) |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 13:00 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals at Multiple-Antenna AF Relay Station Considering Direct Link Asuka Kakehashi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-91 |
In this study, assuming downlink amplify-and-forward (AF)-type relaying of multiple-input multiple-output (MIMO)-orthogo... [more] | RCS2023-91 pp.58-63 |
| PN, NS, OCS (Joint) |
2021-06-24 10:45 |
Online | Online | Study of underwater optical wireless communication system using data-rate adaptive time-domain hybrid PAM Kobori Fumiya, Muhamad Aizat, Keita Tanaka (Kagawa Univ.), Yoshiaki Inoue (Osaka Univ.), Tomotaka Kimura (Doshisha Univ.), Masahiko Jinno, Takahiro Kodama (Kagawa Univ.) PN2021-4 |
To increase the variable transmission capacity of the underwater optical wireless communication system using the visible... [more] | PN2021-4 pp.1-6 |
| SAT | 2018-10-11 13:55 |
Overseas | KARI | Signal Space Theory and Applications to Communications
-- Communication is recovery of the original vector in the signal space -- Osamu Ichiyoshi (HNB21C) SAT2018-49 |
This paper gives the conclusive chapters in the Signal Space theory and its applications to communications described in ... [more] | SAT2018-49 pp.11-16 |
| RCS, SR, SRW (Joint) |
2018-03-02 16:35 |
Kanagawa | YRP | Uplink Transmission Performance Applying Beam Space Channel Estimation to Massive MIMO Systems Kazushi Muraoka, Jun Shikida, Naoto Ishii (NEC) RCS2017-391 |
The 5th generation (5G) mobile communication systems are expected to be applied in new fields like security, telemedicin... [more] | RCS2017-391 pp.399-404 |
| SAT | 2017-10-26 11:00 |
Okinawa | Okinawa Cellular Telephone Company | A Signal Space Theory of Interferences Cancellation Systems Osamu Ichiyoshi (HNB21C) SAT2017-41 |
Interferences among signals from different sources are universal problems in communication networks. In general the dir... [more] | SAT2017-41 pp.17-22 |
| MWP, OPE, EMT, MW, EST, IEE-EMT [detail] | 2017-07-20 15:05 |
Hokkaido | Obihiro Chamber of Commerce and Industry | Heterogeneous Wireless Communication Systems Utilizing Photonic Technologies for 5G Mobile Systems in Big Stadium Hiroshi Murata, Toshiyuki Inoue (Osaka Univ.), Kensuke Ikeda (CRIEPI), Yasuyuki Kakubari, Naruto Yonemoto (ENRI), Hiroyuki Toda (Doshisha Univ.), Nobuhiko Shibagaki (Hitachi), Hiroshi Mano (Koden Techno) EMT2017-18 MW2017-43 OPE2017-23 EST2017-20 MWP2017-20 |
We have been making research and development of next generation (5G) wireless communication systems in dense user enviro... [more] | EMT2017-18 MW2017-43 OPE2017-23 EST2017-20 MWP2017-20 pp.65-69 |
| RCS, SR, SRW (Joint) |
2017-03-01 09:25 |
Tokyo | Tokyo Institute of Technology | Blind Selected Mapping Technique for Space-Time Block Coded Transmit Diversity with Transmit Frequency-Domain Equalization Amnart Boonkajay, Fumiyuki Adachi (Tohoku Univ.) RCS2016-290 |
Peak-to-average power ratio (PAPR) reduction is still an important issue in the next-generation mobile communication net... [more] | RCS2016-290 pp.7-12 |
| RCS, SR, SRW (Joint) |
2017-03-01 13:35 |
Tokyo | Tokyo Institute of Technology | Study on Scheduling for Large-Scale Distributed Antenna Small-Cell Network Using STBC Transmit Diversity Tomoyuki Saito, Fumiyuki Adachi (Tohoku Univ.) RCS2016-296 |
To realize the fifth generation (5G) mobile communication systems, we proposed cooperative distributed antenna transmiss... [more] | RCS2016-296 pp.43-48 |
| WPT | 2016-03-07 16:45 |
Kyoto | Kyoto Univ. Uji Campus | [Special Talk]
Valuation of a Transmitting Antenna or Spacetenna in a Solar Power Satellite and its Development Strategy Tadashi Takano (Nihon Univ.) WPT2015-84 |
In this presentation, first, the importance of a transmitting antenna (spacetenna) is clarified in a solar power satelli... [more] | WPT2015-84 pp.45-50 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 11:45 |
Okinawa | Okinawa Prefectural Museum & Art Museum | An Analysis of Generation Method of OFDM Modulation Wave Using Spatial Composite of Quasi-constant Envelope Modulation Wave Shuzo Mizoguchi, Hideichi Sasaoka, Hisato Iwai (Doshisha Univ.) RCS2015-236 |
This paper proposed the system which combined quasi-constant envelope modulation waves transmitted from multiple antenna... [more] | RCS2015-236 pp.275-280 |
| CPM, EE | 2012-02-10 11:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Fundamental study of lithium-ion cell using ionic liquid as electrolyte Kei Nisihkawa, Tetsuya Ojima, Makoto Kawase, Hitoshi Naito (JAXA) EE2011-53 CPM2011-169 |
Li-ion battery is in practical use as the power storage device in the space vehicles, especially in satellites. A space... [more] | EE2011-53 CPM2011-169 pp.9-12 |
| EE | 2012-01-26 10:20 |
Nagasaki | Dynamic characteristics model of Bi-Directional DC-DC Converter using state-space-averaging method Sihun Yang, Kenta Goto, Junpei Mutsuro, Masahito Shoyama (Kyushu Univ.) EE2011-46 |
In the field of use of clean energy such as EV, wind power generation and solar power generation, the bi-directional DC-... [more] | EE2011-46 pp.87-90 |
|
| EE, IEE-SPC | 2011-07-29 13:45 |
Hokkaido | Development of High Performance Large-sized Lithium-ion Cells for Space Application Makoto Kawase, Hitoshi Naito (JAXA), Hiroaki Yoshida, Masazumi Segawa (GYT) EE2011-15 |
The specific advantages of lithium-ion battery in energy density and working voltage offer the possibility of huge reduc... [more] | EE2011-15 pp.97-100 |
|
| RCS, NS (Joint) |
2010-07-15 10:50 |
Hokkaido | Abashiri Public Auditorium | A Study on Subcarrier Mapping for SC-FDMA System in Relay Communications Yu Hemmi, Koichi Adachi, Tomoaki Ohtsuki (Keio Univ.) RCS2010-52 |
Single-carrier frequency-division multiple-access (SC-FDMA) has been attracting attention as an access scheme for uplink... [more] | RCS2010-52 pp.25-30 |
| NLP | 2008-12-09 15:50 |
Ishikawa | Analysis of almost periodic and periodic oscillations in three-phase circuit using symmetry Shouta Ukai, Takashi Hisakado (Kyoto Univ.) NLP2008-74 |
Symmetric three-phase circuit is a basic model of electric power systems. Single phase mode and two phase mode in whic... [more] |
NLP2008-74 pp.23-28 |
|
| OPE, LQE, CPM, EMD | 2005-08-26 15:15 |
Hokkaido | Fabrication of semiconductor-based single photon emitters for efficient quantum key distribution Hidekazu Kumano, Satoshi Kimura (Hokkaido Univ.), Ikuo Suemune (JST) |
For an efficient quantum key distribution, highly pure single-photon generation from a semiconductor quantum dot was dem... [more] | EMD2005-56 CPM2005-84 OPE2005-64 LQE2005-44 pp.55-60 |
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