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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-17 14:00 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Study of throughput stabilization using multiple terminal cooperation in 5G millimeter wave access Tomoya Kageyama, Takayuki Yamada, Riichi Kudo (NTT), Yuya Aoki, Yoshifumi Morihiro (NTT DOCOMO)  RCC2024-20 NS2024-43 RCS2024-89 SR2024-31 SeMI2024-17 |
[more] | RCC2024-20 NS2024-43 RCS2024-89 SR2024-31 SeMI2024-17 pp.15-19(RCC), pp.15-19(NS), pp.20-24(RCS), pp.32-36(SR), pp.21-25(SeMI) |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study of wireless access technique using multiple terminal cooperation Tomoya Kageyama, Takayuki Yamada, Riichi Kudo (NTT), Yuya Aoki, Yoshifumi Morihiro (NTT DOCOMO) |
With increases in demand for mobile traffic, high-frequency bands such as millimeter waves (mmWave) are being utilized. ... [more] | |
| RCS, SAT (Joint) |
2023-09-01 14:30 |
Nagano | Naganoken Nokyo Building, and online (Nagano, Online) (Primary: On-site, Secondary: Online) |
5G Experimental Trial Using Autonomous Mobile Robots at a Manufacturing Site Atsuya Nakamura, Satoshi Suyama, Takayuki Yamada (NTT DOCOMO), Shinji Kobayashi, Hiroaki Yamada (OMRON), Goro Ikeda (Nokia) RCS2023-127 |
The 5th generation mobile communication system has already been commercially introduced worldwide, and commercial servic... [more] | RCS2023-127 pp.131-136 |
| AP, SANE, SAT (Joint) |
2023-07-14 16:50 |
Hokkaido | The Citizen Activity Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
6G Simulator using Real Environment Model based on Point Cloud Data Koshiro Kitao, Satoshi Suyama, Mitsuki Nakamura, Takahiro Tomie, Kiichi Tateishi, Takayuki Yamada (NTT DOCOMO) AP2023-65 |
[more] | AP2023-65 pp.187-191 |
| RCS | 2023-06-16 09:40 |
Hokkaido | Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Considerations on Self-Interference Canceller using DMRS in Full-Duplex Mobile Communications Takumi Yasaka (Kogakuin Univ.), Takayuki Yamada, Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2023-66 |
Full-duplex mobile communications have been discussed as one of the duplex technologies to increase the spectral efficie... [more] | RCS2023-66 pp.224-228 |
| RCS | 2023-06-16 16:00 |
Hokkaido | Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
28 GHz-Band Experimental Trial Using Multiple Transmissive Metasurfaces and Beamforming Kenta Goto, Satoshi Suyama, Takayuki Yamada (DOCOMO), Keisuke Arai, Osamu Kagaya (AGC) RCS2023-78 |
Toward 5G Evolution & 6G, “New Radio Network Topology (NRNT)” which is distributed in the spatial domain is considered t... [more] | RCS2023-78 pp.294-299 |
| RCS, SR, SRW (Joint) |
2023-03-01 14:50 |
Tokyo | Tokyo Institute of Technology, and Online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Transmission performance improvement of terminal-collaborated MIMO reception based on subband-based terminal selection Ryosuke Kanda, Hidekazu Murata (Yamaguchi Univ.), Satoshi Suyama, Takayuki Yamada (NTT DOCOMO, INC.) RCS2022-259 |
In terminal-collaborated MIMO (Multiple-Input Multiple-Output) reception, where reception is performed collaboratively w... [more] | RCS2022-259 pp.72-76 |
| RCS, SR, SRW (Joint) |
2023-03-01 16:40 |
Tokyo | Tokyo Institute of Technology, and Online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
A Study of Cross-Link Interference Mitigation with Cell Clustering on Dynamic TDD system Kiichi Tateishi, Takayuki Yamada, Satoshi Suyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-263 |
[more] | RCS2022-263 pp.94-99 |
| RCS | 2022-10-28 12:10 |
Ehime | Ehime University, and online (Ehime, Online) (Primary: On-site, Secondary: Online) |
Concept and Issues of New Radio Network Topology for 5G Evolution & 6G Masashi Iwabuchi (NTT), Satoshi Suyama (NTT DOCOMO), Takuto Arai (NTT), Mitsuki Nakamura, Kenta Goto (NTT DOCOMO), Riku Ohmiya, Daisei Uchida (NTT), Takayuki Yamada (NTT DOCOMO), Tomoaki Ogawa (NTT) RCS2022-148 |
[more] | RCS2022-148 pp.101-106 |
| ED, THz [detail] | 2019-12-23 15:40 |
Miyagi | (Miyagi) | [Invited Talk]
Orbital Angular Momentum Multiplexing Technology
-- High Capacity Wireless Communication and Device Perspectives -- Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Tomoki Semoto, Takayuki Yamada, Jun Mashino, Takashi Shimizu (NTT) ED2019-81 |
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] | ED2019-81 p.21 |
| RCS, SAT (Joint) |
2019-08-22 13:30 |
Aichi | Nagoya University (Aichi) | [Invited Lecture]
Orbital Angular Momentum Multiplexing Technology
-- High Capacity Point-to-Point Wireless Communication Perspective -- Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Takashi Shimizu (NTT) SAT2019-25 RCS2019-154 |
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] | SAT2019-25 RCS2019-154 p.45 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 10:40 |
Osaka | I-Site Nanba（Osaka） (Osaka) | [Poster Presentation]
An Experiment of 200 Gbps, 21 Streams Wireless Transmission Using OAM-MIMO Multiplexing with Polarization in 28 GHz Band Yasunori Yagi, Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Takashi Shimizu (NTT) RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39 |
The orbital angular momentum (OAM) multiplexing has been drawing much attention in wireless transmission systems. The OA... [more] | RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39 pp.99-100(RCC), pp.125-126(NS), pp.121-122(RCS), pp.131-132(SR), pp.113-114(SeMI) |
| SR | 2019-05-31 10:30 |
Tokyo | Tokyo Big Sight (Tokyo) | [Invited Talk]
Toward terabit-class wireless transmission: OAM wireless multiplexing technology Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Takashi Shimizu (NTT) SR2019-11 |
[more] | SR2019-11 p.69 |
| RCS, SR, SRW (Joint) |
2019-03-08 11:20 |
Kanagawa | YRP (Kanagawa) | [Invited Lecture]
Experimental Investigation of OAM-MIMO multiplexing technique for ultra high capacity wireless transmission Hirofumi Sasaki, Yasunori Yagi, Yakana Kaho, Takayuki Yamada, Doohwan Lee, Takashi Shimizu (NTT) SR2018-140 |
Recently, communication systems using beams that carry orbital angular momentum (OAM) have gathered much attention for u... [more] | SR2018-140 pp.111-116 |
| CQ | 2016-05-24 10:50 |
Fukuoka | Kyushu University (Fukuoka) | Model Based Radio Environment Recognition and Prediction Techniques for Quality Management Wireless Communication System in Spectrum Sharing Scenarios Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Tadao Nakagawa (NTT) CQ2016-14 |
[more] | CQ2016-14 pp.9-14 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 14:30 |
Tokyo | Tokyo Institute of Technology (Tokyo) | [Invited Lecture]
Broadband Spectrum Sensing Platform based on Received Waveform Cross-correlation using Distributed Sensors Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Takana Kaho, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2015-117 |
Rapid increase in mobile traffic due to the spread of smartphones will cause the frequency shortage. Frequency range fro... [more] | SR2015-117 p.171 |
| SRW | 2015-10-28 14:15 |
Tokyo | Kikai-Sinko-Kaikan Bldg. (Tokyo) (Tokyo) | A Statistical Radio Environment Recognition Technique Based on State Transition Model in Heterogeneous Wireless Network Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Tadao Nakagawa (NTT) SRW2015-52 |
[more] | SRW2015-52 pp.7-12 |
| SR | 2015-05-28 15:15 |
Hyogo | Akashi-Sangyou-Koryu-Center (Hyogo) | Rario Environment Statistical Recognition Based on State Transition Model with Considering of Intersystem Interference in Spectrum Sharing Scenarios Hirofumi Sasaki, Takayuki Yamada, Jun Mashino, Takatoshi Sugiyama (NTT) SR2015-6 |
In heterogeneous wireless networks with spectrum sharing, radio wave collisions often occur randomly by not only intra-s... [more] | SR2015-6 pp.31-38 |
| SR | 2015-05-29 13:25 |
Hyogo | Akashi-Sangyou-Koryu-Center (Hyogo) | Performance Evaluation of Waveform Cross-Correlation Based Cooperative Sensing under Multipath Fading Environments Takayuki Yamada, Doohwan Lee, Yo Yamaguchi, Tadao Nakagawa (NTT) SR2015-12 |
[more] | SR2015-12 pp.73-78 |
| SR | 2014-10-31 13:00 |
Overseas | I2R, Singapore (Overseas) | [Technology Exhibit]
Broadband Spectrum Sensing Platform Based on Received Waveform Cross-correlation using Distributed Sensors Takayuki Yamada, Doohwan Lee, Hiroyuki Shiba, Yo Yamaguchi, Takana Kaho, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2014-88 |
Rapid increase in mobile traffic due to the spread of smartphones will cause the frequency shortage. Frequency range fro... [more] | SR2014-88 pp.169-170 |
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