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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2022-03-03 10:45 |
Online | Online (Online) | Radio Video Transmission Experiments Using Shinkansen Test Train Running at 360 km/h toward 5G Evolution Nobuhide Nonaka, Satoshi Suyama, Tatsuki Okuyama, Hama yuto, Daisuke Kitayama, Takahiro Asai (NTT DOCOMO), Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima (JR East)  RCS2021-273 |
[more] | RCS2021-273 pp.120-125 |
| RCS, NS (Joint) |
2021-12-16 13:25 |
Nara | Nara-ken Bunka Kaikan and Online (Nara, Online) (Primary: On-site, Secondary: Online) |
Performance Evaluations of Transmitter and Receiver Hybrid Beamforming in Massive MIMO at 100 GHz-band Nobuhide Nonaka, Satoshi Suyama, Tatsuki Okuyama, Takahiro Asai (NTT DOCOMO) RCS2021-179 |
[more] | RCS2021-179 pp.24-29 |
| RCS, NS (Joint) |
2021-12-16 13:50 |
Nara | Nara-ken Bunka Kaikan and Online (Nara, Online) (Primary: On-site, Secondary: Online) |
Issues of Sub-Terahertz-Band Radio Access Technologies for 6G Hayato Fukuzono (NTT), Satoshi Suyama (NTT DOCOMO), Doohwan Lee, Daisei Uchida (NTT), Tatsuki Okuyama (NTT DOCOMO), Masashi Iwabuchi, Jun Mashino (NTT), Yoshihisa Kishiyama (NTT DOCOMO) RCS2021-180 |
One of the requirements for the sixth generation mobile communication system (6G) is extreme high data rate and capacity... [more] | RCS2021-180 pp.30-34 |
| AP, RCS (Joint) |
2021-11-12 09:30 |
Nagasaki | NBC-Bekkan (Nagasaki) (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Experimental Trials Using Shinkansen Test Train Running at 360 km/h toward 5G Evolution Nobuhide Nonaka, Satoshi Suyama, Tatsuki Okuyama, Yuto Hama, Daisuke Kitayama, Takahiro Asai (NTT DOCOMO), Shoji Itoh (Ericsson Japan), Anders Carlsson, Johan Furuskog, Magnus Wikstrom, Qiang Zhang (Ericsson), Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima (JR EAST) RCS2021-166 |
[more] | RCS2021-166 pp.118-123 |
| RCS | 2021-10-22 11:15 |
Online | Online (Online) | Performance Evaluation of Two Directions in Base Station Antennas by 28 GHz-Band Outdoor Experiments of Base Station Cooperation Technology in High-Mobility Environments Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO) RCS2021-134 |
[more] | RCS2021-134 pp.82-87 |
| RCS | 2021-10-22 15:00 |
Online | Online (Online) | [Poster Presentation]
NTT DOCOMO's Activities for 5G Evolution & 6G Satoshi Suyama, Tatsuki Okuyama, Nobuhide Nonakaka, Takahiro Asai (NTT DOCOMO) RCS2021-142 |
[more] | RCS2021-142 p.126 |
| RCS | 2021-06-25 14:35 |
Online | Online (Online) | Outdoor Experimental Trials of 28 GHz-Band Base Station Cooperation Technologies in High-Mobility Environments with Mobile Stations Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO) RCS2021-74 |
[more] | RCS2021-74 pp.261-266 |
| RCS, IN, NV (Joint) |
2021-05-27 16:00 |
Online | Online (Online) | 6G System-Level Simulators in 100 GHz Band Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO) RCS2021-22 |
[more] | RCS2021-22 pp.35-40 |
| RCS, SR, SRW (Joint) |
2021-03-05 10:30 |
Online | Online (Online) | Performance Evaluation of Base Station Cooperation Technologies in Millimeter-Wave Bands at Variable Base Station Deployments under High-Mobility Environments Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO) RCS2020-249 |
Commercial services of 5th generation mobile communication system (5G) are expanding. In 5G, Massive MIMO -based beamfor... [more] | RCS2020-249 pp.207-211 |
| NS, RCS (Joint) |
2020-12-18 11:15 |
Online | Online (Online) | A Study of 6G Radio Access Technologies for Achieving 100 Gbps Data Rate by Extreme Wideband Transmission Using Higher Frequency Bands Satoshi Suyama, Tatsuki Okuyama, Yoshihisa Kishiyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO) RCS2020-146 |
In sixth-generation (6G) mobile communication system, it is expected that a extreme hgih data rate coomunication with a ... [more] | RCS2020-146 pp.66-71 |
| RCS | 2020-06-26 14:30 |
Online | Online (Online) | 5G Evolution Experimental Trial on Base Station Cooperation Technologies using 28GHz-Band Digital BF High-Mobility Environments Tatsuki Okuyama, Nobuhide Nonaka, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO) RCS2020-48 |
[more] | RCS2020-48 pp.151-156 |
| RCS | 2020-06-26 14:55 |
Online | Online (Online) | Guaranteed Mobile Communications Using Massive MIMO with Hybrid Beamforming for 5G Evolution Nobuhide Nonaka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO) RCS2020-49 |
[more] | RCS2020-49 pp.157-162 |
| RCS, SR, SRW (Joint) |
2020-03-04 12:35 |
Tokyo | Tokyo Institute of Technology (Tokyo) (Cancelled but technical report was issued) |
[Technology Exhibit]
DOCOMO's Activities Looking to 5G Evolution and 6G Tatsuki Okuyama, Daisuke Kitayama, Nobuhide Nonaka, Satoshi Suyama, Yoshihisa Kishiyama, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO) RCS2019-330 SR2019-114 SRW2019-60 |
(To be available after the conference date) [more] | RCS2019-330 SR2019-114 SRW2019-60 p.55(RCS), p.7(SR), p.7(SRW) |
| RCS, SR, SRW (Joint) |
2020-03-06 09:00 |
Tokyo | Tokyo Institute of Technology (Tokyo) (Cancelled but technical report was issued) |
Millimeter-Wave Base Station Cooperation Technologies in High-Mobility Environments Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO) RCS2019-383 |
Commercial services in 5G have already started all over the world. The initial 5G introduces analog beamforming (BF) by ... [more] | RCS2019-383 pp.323-328 |
| NS, RCS (Joint) |
2019-12-19 15:15 |
Tokushima | Tokushima Univ. (Tokushima) | [Invited Lecture]
Radio Access Network Exploiting Higher Frequency Bands for 5G Evolution and Beyond Satoshi Suyama, Tatsuki Okuyama, Nobuhide Nonaka, Takahiro Asai, Yukihiko Okumura (NTT DOCOMO) NS2019-145 RCS2019-248 |
A commercial service in fifth-generation (5G) mobile communication system will finally start from spring in 2020 by usin... [more] | NS2019-145 RCS2019-248 p.61 |
| NS, RCS (Joint) |
2019-12-20 14:55 |
Tokushima | Tokushima Univ. (Tokushima) | 28GHz Band 5G Experimental Trial in High Mobility Environment Using the Shinkansen Nopbuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO), Yoshihiro Matsumura (JR Central) RCS2019-264 |
Commercial services in fifth-generation (5G) mobile communication system will start by using 3.7 GHz, 4.5 GHz, and 28 GH... [more] | RCS2019-264 pp.145-150 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 10:00 |
Osaka | I-Site Nanba（Osaka） (Osaka) | Performance Evaluation of Downlink Multi-user MIMO with Moving User Equipment using Low-SHF-Band C-RAN Massive MIMO System Jiang Yi, Kohei Izui, Kenichiro Yamazaki (NEC), Tatsuki Okuyama, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO, INC.) RCS2019-111 |
In order to tackle rapid increase of data traffic and diversification of mobile service, 5G wireless access system intro... [more] | RCS2019-111 pp.57-62 |
| RCS | 2019-06-21 16:25 |
Okinawa | Miyakojima Hirara Port Terminal Building (Okinawa) | Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems
-- Verification of coordinated radio resource scheduling algorithm in up to 32 multi-stream transmission -- Takaharu Kobayashi, Shinya Kumagai, Masafumi Tsutsui, Chiyoshi Akiyama, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (Fujitsu), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (DOCOMO) RCS2019-99 |
In 5G mobile communication systems, an effective high-capacity technology is expected by using high-density small cells.... [more] | RCS2019-99 pp.365-370 |
| RCS | 2019-04-18 10:55 |
Hokkaido | Noboribetsu Grand Hotel (Hokkaido) | Performance Evaluation of Intersite Coordination Scheme under High Speed Transportation Environment Tatsuki Okuyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (DOCOMO) RCS2019-4 |
[more] | RCS2019-4 pp.17-22 |
| RCS | 2019-04-18 11:20 |
Hokkaido | Noboribetsu Grand Hotel (Hokkaido) | 28 GHz-Band Experimental Trial of Downlink Massive MIMO in Urban Railway Environment Kazushi Muraoka, Nobuhide Nonaka, Yuta Takahashi, Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2019-5 |
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which 400 MHz band will be av... [more] | RCS2019-5 pp.23-28 |
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