Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SANE, SAT (Joint) |
2022-07-28 09:25 |
Hokkaido |
Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
A Study on Transmission Power Control for Efficient Two-Way Relay Communication with High-Altitude Platform Station in Space-Air-Ground Integrated Networks Masaki Takahashi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) SAT2022-21 |
Space-air-ground integrated networks (SAGINs) are going to be a key technology of 6G for achieving the goal of global an... [more] |
SAT2022-21 pp.24-29 |
RCS |
2022-06-17 09:30 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
A study on Joint Channel and Data Estimation via Parametric Bilinear Inference for OTFS Transmission Kengo Furuta, Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2022-56 |
In high-speed mobile communication environments, an orthogonal time frequency space (OTFS) scheme with robustness to dou... [more] |
RCS2022-56 pp.188-193 |
RCS, SR, SRW (Joint) |
2021-03-05 10:30 |
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 |
MW, ED |
2021-01-29 13:00 |
Online |
Online |
DC Characteristics and MOS Interface properties of HfSiOx-gate AlGaN/GaN HEMTs Ryota Ochi (Hokkaido Univ.), Erika Maeda (SIT/NIMS), Toshihide Nabatame (NIMS), Koji Shiozaki (IMaSS), Tamotsu Hashizume (Hokkaido Univ/IMaSS) ED2020-31 MW2020-84 |
GaN high-electron-mobility transistors (HEMTs) are very attractive for the fifth generation communication system. To bui... [more] |
ED2020-31 MW2020-84 pp.22-25 |
NS, RCS (Joint) |
2019-12-19 15:15 |
Tokushima |
Tokushima Univ. |
[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. |
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 |
RCS |
2019-06-20 16:15 |
Okinawa |
Miyakojima Hirara Port Terminal Building |
[Invited Lecture]
Performance evaluation on 5G mobile wireless communications in high speed train environment Juho Park, Junghoon Lee, JunHwan Lee (ETRI) RCS2019-79 |
To cope with the ever-increasing mobile data demand and diversifying service requirements, challenges for designing 5G w... [more] |
RCS2019-79 p.255 |
RCS |
2019-04-18 11:20 |
Hokkaido |
Noboribetsu Grand Hotel |
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 |
RCS, AP (Joint) |
2018-11-22 15:50 |
Okinawa |
Okinawa Industry Support Center |
Performance Evaluation of Low-SHF-Band Digital Beamforming in High-Mobility Experimental Trial Tatsuki Okuyama, Kazushi Muraoka (NTT DOCOMO), Daisuke Nose, Tomohiro Kikuma, Yasushi Maruta (NEC), Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-215 |
The fifth-generation (5G) mobile communication system utilizes Massive MIMO using many number of antenna elements in hig... [more] |
RCS2018-215 pp.211-216 |
SAT, RCS (Joint) |
2018-08-09 11:20 |
Iwate |
Iwate University |
Field Trial of 28 GHz Band Downlink Massive MIMO in Railway Environment Yuta Takahashi, Hiroyuki Miyazaki, Tatsuki Okuyama, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-133 |
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which almost 1-GHz band will ... [more] |
RCS2018-133 pp.13-18 |
ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 14:05 |
Hokkaido |
Hakodate Arena |
Outdoor Trial of Beamforming in Ultra-Highly Mobile Environment
-- Downlink Massive MIMO Performance at 28GHz -- Kazushi Muraoka, Yuta Takahashi, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-111 |
Field trials of the fifth-generation (5G) mobile communication system using 28GHz band at which almost 1-GHz band will b... [more] |
RCS2018-111 pp.149-154 |
ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 14:30 |
Hokkaido |
Hakodate Arena |
Outdoor Trial of Beamforming in Ultra-Highly Mobile Environment
-- Uplink Massive MIMO and Handover Performances at 28GHz -- Yuta Takahashi, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-112 |
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which almost 1-GHz band will ... [more] |
RCS2018-112 pp.155-160 |
IN, RCS, NV (Joint) |
2018-05-10 15:40 |
Kanagawa |
Keio University |
[Invited Lecture]
3GPP standardization activities for relay based high speed scenario for 5G Fumihiro Hasegawa, Akinori Taira (Mitsubishi Electric Corp.), Gosan Noh, Bing Hui (ETRI), Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.), Junhwan Lee, Ilgyu Kim (ETRI) IN2018-3 RCS2018-28 |
In 3GPP NR (New Radio), high speed train (HST) is considered as one of the essential verticals in 5G applications. In th... [more] |
IN2018-3 RCS2018-28 pp.13-18(IN), pp.37-42(RCS) |
RCS, NS (Joint) |
2017-12-15 15:10 |
Hiroshima |
Aster Plaza |
Mobility Evaluation of Massive MIMO with Linear/Nonlinear Precoding Based on SINR Heatmap in a Serving Cell Hiroshi Nishimoto, Akinori Taira, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-267 |
Multiuser multiple-input multiple-output (MU-MIMO) over massive MIMO is one of the key enablers in the fifth generation ... [more] |
RCS2017-267 pp.95-100 |
RCS, SR, SRW (Joint) |
2017-03-02 11:15 |
Tokyo |
Tokyo Institute of Technology |
Performance Evaluation of Antenna Configuration by Indoor and Outdoor Propagation Experimental Results for 5G Ultra High-Density Distributed Antenna System in Low SHF Bands Tatsuki Okuyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO), Kotaro Shiizaki, Chiyoshi Akiyama (FUJITSU LABS), Masafumi Tsutsui, Hiroyuki Seki, Moriiko Minowa (FUJITSU) RCS2016-311 |
In order to tackle rapidly increasing traffic, distributed Massive MIMO (DM-MIMO) has been proposed for fifth-generation... [more] |
RCS2016-311 pp.133-138 |
RCS, SR, SRW (Joint) |
2017-03-02 11:40 |
Tokyo |
Tokyo Institute of Technology |
Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems
-- Performance Evaluation of UE mobility for Wideband Coordinated MU-MIMO in Field Experiment -- Kotaro Shiizaki, Chiyoshi Akiyama (FUJITSU LABORATORIES), Masafumi Tsutsui, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2016-312 |
In 5G mobile communication systems, an effective high-capacity technology is expected by using high-density small cells.... [more] |
RCS2016-312 pp.139-144 |
RCS |
2016-06-23 14:25 |
Okinawa |
Univ. of the Ryukyus |
Indoor Experiment on 5G Radio Access Using Beam Tracking at 15 GHz Band Kiichi Tateishi, Daisuke Kurita, Atsushi Harada, Yoshihisa Kishiyama (NTT DOCOMO) RCS2016-69 |
In order to rapidly increasing traffic, 5G radio access network in mobile communications introduces higher frequency ban... [more] |
RCS2016-69 pp.135-140 |
SAT, RCS (Joint) |
2014-08-20 15:50 |
Kochi |
Kochi City Cultura-Plaza CUL-PORT |
Evaluation of Super High Bit Rate Massive MIMO Transmission Using Higher Frequency Bands by Link Budget Jiyun Shen, Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) RCS2014-155 |
In order to realize the 5th generation (5G) mobile network with super high bit rate and capacity, we employee small cell... [more] |
RCS2014-155 pp.97-102 |
RCS, NS (Joint) |
2013-12-19 13:40 |
Kagawa |
Sunport Hall Takamatsu |
Future Radio Access and Mobile Optical Network
-- Part I -- Yukihiko Okumura, Takehiro Nakamura (NTT DOCOMO) NS2013-143 RCS2013-231 |
In this report, towards realization of a future mobile network with super high bit rate and capacity, a new radio access... [more] |
NS2013-143 RCS2013-231 pp.55-60(NS), pp.149-154(RCS) |
RCS, NS (Joint) |
2013-12-19 14:05 |
Kagawa |
Sunport Hall Takamatsu |
Future Radio Access and Mobile Optical Network
-- Part II -- Yukihiko Okumura, Takehiro Nakamura (NTT DOCOMO) NS2013-144 RCS2013-232 |
In this report, towards realization of a future mobile network with super high bit rate and capacity, a new radio access... [more] |
NS2013-144 RCS2013-232 pp.61-66(NS), pp.155-160(RCS) |