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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) |
2024-03-13 13:35 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Propagation Channel Measurement in the Air by UAV-based Channel Sounder Kentaro Saito (Tottori Univ.), Sora Kojima (Tokyo Denki Univ.)  SRW2023-53 |
Recently, Unmanned Aerial Vehicles (UAVs) have been widely utilized for inspections and management of social infrastruct... [more] | SRW2023-53 p.40 |
| RCS, SR, SRW (Joint) |
2023-03-03 10:30 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Trends in 5G Policies Yuji Nakamura (MIC) RCS2022-287 SR2022-96 SRW2022-58 |
The services of 5th generation mobile communication system (5G) launched in 2020, and 5G has been spreading as social an... [more] | RCS2022-287 SR2022-96 SRW2022-58 pp.219-221(RCS), pp.54-56(SR), pp.70-72(SRW) |
| RCS, SR, SRW (Joint) |
2022-03-02 17:10 |
Online | Online | [Invited Talk]
Effectiveness of collaboration between elemental technologies for Beyond 5G wireless communications Fumiaki Maehara (Waseda Univ.) RCS2021-262 SR2021-90 SRW2021-69 |
From first generation (1G) to 4G, mobile communication systems evolve every 10 years, creating new multiple access techn... [more] | RCS2021-262 SR2021-90 SRW2021-69 p.61(RCS), p.26(SR), p.12(SRW) |
| AP, RCS (Joint) |
2021-11-12 13:35 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Examination of user selection method by simple channel capacity estimation using determinant in Coordinated MU-MIMO Shotaro Sasaki, Mitoshi Fujimoto (Univ. Fukui) AP2021-127 RCS2021-173 |
In this report, a user selection method based on determinant considering interference between base stations is proposed.... [more] | AP2021-127 RCS2021-173 pp.137-141(AP), pp.159-163(RCS) |
| EMCJ | 2020-07-02 14:15 |
Online | Online | Design of an electromagnetic scattering wall applying array antenna theory
-- Reduction of the thickness with metamaterial structures -- Yasutaka Murakami, Jerdvisanop Chakarothai, Katsumi Fujii (NICT) EMCJ2020-13 |
5G wireless communications use electromagnetic (EM) waves in 28 GHz band. High-directivity(gain) antennas are actually u... [more] | EMCJ2020-13 pp.13-17 |
| AP | 2020-03-27 09:40 |
Fukui | Fukui College (Cancelled but technical report was issued) |
Propagation Characteristics Analysis of 20GHz Band in Multiple LOS Urban Street Cell Environment Koyo Tategami, Mitoshi Fujimoto (Univ. Fukui), Koshiro Kitao, Satoshi Suyama (NTT DOCOMO) AP2019-204 |
For 5th generation mobile communication system (5G), utilization of band of 6 to 100 GHz is investigated to increase the... [more] | AP2019-204 pp.41-46 |
| AP | 2020-02-20 13:30 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | [Invited Lecture]
Downlink Performance and Signal Reception Characteristics using Distributed Vehicle Glass Mounted Antenna for 28 GHz Band in Urban Environment Minoru Inomata, Tetsuro Imai, Daisuke Kitayama, Takahiro Asai (NTT DOCOMO, INC), Hideaki shoji, Shoichi Takeuchi, Kiyoshi Nobuoka, Toshiki Sayama, Takeshi Motegi, Osamu Kagaya (AGC) AP2019-181 |
In fifth generation mobile communications system (5G), 28 GHz band is used and the application for cellular-V2X using 5G... [more] | AP2019-181 pp.1-6 |
| AP | 2020-02-21 13:25 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | [Invited Lecture]
Doppler Spectrum Characteristics of 4.7 and 28 GHz in High-Speed Moving Environment exceeding 280 km/h Nobuaki Kuno, Wataru Yamada, Yusuke Asai, Yasushi Takatori (NTT), Minoru Inomata, Satoshi Suyama (NTT DOCOMO), Ichiro Nakagawa, Masanori Ichinose (NTT Communications) AP2019-192 |
In Japan, 5G System Integrated Verification Trial have been conducted by the Ministry of Internal Affairs and Communicat... [more] | AP2019-192 pp.63-68 |
| AP, WPT (Joint) |
2020-01-24 10:15 |
Kagawa | Sunport Hall Takamatsu | [Invited Lecture]
Vehicle Penetration Loss Characteristics for the shinkansen from 2GHz to 28GHz Bands Minoru Inomata, Tetsuro Imai, Kazushi Muraoka, Nobuhide Nonaka, Satoshi Suyama, Koshiro Kitao, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO, INC), Yoshihiro Matsumura (Central Japan Railway Company) AP2019-168 |
Mobile telephone operators around the world are now working hard to introduce 5G services. With 5G, 3.7, 4.5, 28 GHz ban... [more] | AP2019-168 pp.99-103 |
| AP, SANE, SAT (Joint) |
2019-07-17 15:00 |
Miyagi | Tohoku Univ. | [Invited Lecture]
Doppler Spectrum Evaluation on V2V Communication for Platooning Koichi Serizawa, Kazuma Tomimoto, Masayuki Miyashita, Ryo Yamaguchi (SoftBank) AP2019-28 |
R&D on 5th generation mobile communication (5G) has been actively conducted in recent years. We focus on "Ultra-Reliable... [more] | AP2019-28 pp.39-42 |
| RCS, SR, SRW (Joint) |
2019-03-06 14:10 |
Kanagawa | YRP | Filtered Time Window to Reduce Implementation Complexity of UF-OFDM Transmitter Yuji Mizutani, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SRW2018-56 |
New waveforms enabling high out-of-band emission (OOBE) suppression and high spectrum efficiency are required for beyond... [more] | SRW2018-56 pp.7-12 |
| RCS, SR, SRW (Joint) |
2019-03-07 12:25 |
Kanagawa | YRP | [Technology Exhibit]
DOCOMO's Activities in 5G System Trial in Fiscal Year 2018 Nobuhide Nonaka, Tatsuki Okuyama, Yuta Takahashi, Kazushi Muraoka, Noriaki Minamida, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-308 SR2018-129 SRW2018-59 |
Standardization, research, and development activities are conducted for the fifth-generation (5G) mobile communication s... [more] | RCS2018-308 SR2018-129 SRW2018-59 p.145(RCS), p.57(SR), p.25(SRW) |
| RCS, AP (Joint) |
2018-11-22 16:40 |
Okinawa | Okinawa Industry Support Center | Study on Using Vehicle Glass Windows as Mounting Locations for 28GHz Band Antennas Toshiki Sayama, Osamu Kagaya, Hideaki Shoji, Shoichi Takeuchi, Kiyoshi Nobuoka (AGC), Minoru Inomata, Tetsuro Imai (NTT DOCOMO) AP2018-142 |
Due to high radio wave attenuation, directional antenna is widely studied in 28 GHz band which is considered to be a pro... [more] | AP2018-142 pp.227-232 |
| RCS | 2018-10-18 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
DOCOMO's 5G Trial for 5G Enhancement Satoshi Suyama, Jun Mashino, Kazushi Muraoka, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-160 |
In order to cope with recent growth of mobile data traffic and emerging of various services, world-wide system trials fo... [more] | RCS2018-160 pp.57-59 |
| SRW | 2018-06-08 12:50 |
Tokyo | Shibaura Institute of Technology | Evaluation of Dynamic-duplex Cellular System on LTE Uplink under Micro-cell Environment Kyoya Teramae, Hiroto Kuriki, Keiich Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SRW2018-4 |
In recent years, in-band full-duplex (IBFD), which simultaneously allocate uplink (UL) and downlink (DL) to the frequenc... [more] | SRW2018-4 pp.15-20 |
| AP | 2018-05-18 16:15 |
Kumamoto | Kumamoto Univ. | A Study on Radio Propagation Paths of 28 GHz band in Urban Street Microcell Environment Tetsuro Imai, Minoru Inomata, Koshiro Kitao, Yukihiko Okumura (NTT DOCOMO) AP2018-36 |
In 5G mobile communication system (or 5G), which has been actively investigated, high frequency bands (6 - 100 GHz) are ... [more] | AP2018-36 pp.129-132 |
| RCS, SR, SRW (Joint) |
2018-03-01 11:50 |
Kanagawa | YRP | [Technology Exhibit]
NTT DOCOMO's 5G Trials for 5G Realization Hiroyuki Miyazaki, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT docomo) RCS2017-358 SR2017-124 SRW2017-78 |
Recently, mobile data traffic is rapidly growing due to the spread of smartphone/tablets and various mobile application ... [more] | RCS2017-358 SR2017-124 SRW2017-78 p.225(RCS), p.65(SR), p.51(SRW) |
| 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 |
| SR | 2018-01-25 13:25 |
Fukuoka | Fukuoka univ. | Development of Shared Base Station Supporting Millimeter Wave Bands for Network Sharing Scenario in 5G System Takeshi Matsumura, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) SR2017-94 |
In the 5G and beyond cellular networks, micro-cells using mmW (millimeter Wave) bands will be densely deployed to en-han... [more] | SR2017-94 pp.1-8 |
| SR | 2018-01-26 15:15 |
Fukuoka | Fukuoka univ. | Evaluation of Channel Capacity for Downlink Non-Orthogonal Multiple Access (NOMA) with Imperfect SIC Kenta Mayama, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2017-109 |
Non-orthogonal multiple access (NOMA) has recently been considered as downlink multiple access scheme to realize large-c... [more] | SR2017-109 pp.91-96 |
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