Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
CQ, CS (Joint) |
2022-05-13 13:50 |
Fukui |
Fukui (Fuku Pref.) (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Analog-RoF and Distributed MIMO Techniques in Higher Frequency Bands for 6G/IOWN Takeshi Onizawa, Naoki Kita, Yushi Shirato, Daisei Uchida, Hideki Toshinaga (NTT) CQ2022-15 |
In this report, we describe analog-radio over fiber (A-RoF) and distributed multiple-input multiple-output (MIMO) techni... [more] |
CQ2022-15 pp.80-85 |
AP |
2021-04-16 11:10 |
Hyogo |
Kinosaki International Arts Center (Primary: On-site, Secondary: Online) |
Design and Experimental Verification of a Quad-Band Branched Monopole Antenna with a Filter Suppressing Higher Order Modes Shingo Yamaura, Kengo Nishimoto, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric) AP2021-2 |
This paper proposes a filter-loaded, branched monopole antenna covering four frequency-bands which are distributed withi... [more] |
AP2021-2 pp.6-11 |
SRW |
2020-08-25 14:40 |
Online |
Online |
[Invited Talk]
DOCOMO's Views and Recent Activities on 5G Evolution & 6G Satoshi Suyama, Yoshihisa Kishiyama, Takahiro Asai (NTT DOCOMO) SRW2020-24 |
A commercial service in fifth-generation (5G) mobile communication system launched in March 2020 at last by using 3.7 GH... [more] |
SRW2020-24 p.71 |
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 |
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) |
SR, SRW, RCS (Joint) (2nd) |
2017-10-23 - 2017-10-24 |
Overseas |
Grand Hotel Palatino, Rome, Italy |
[Invited Talk] 5G Experimental Trials on Massive MIMO Technologies Satoshi Suyama, Jun Mashino, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) |
The fifth-generation (5G) mobile communication system has attracted much attention to provide various kinds of mobile se... [more] |
|
RCS |
2017-10-19 12:50 |
Miyagi |
Tohoku Institute of Technology |
[Invited Lecture]
Overview of DOCOMO's 5G Trials for 5G Realization Satoshi Suyama, Jun Mashino, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) RCS2017-176 |
In order to prepare for the rapid growing of mobile data traffic that the spread of smart phones/tablets and various mob... [more] |
RCS2017-176 pp.49-50 |
MWP |
2017-05-11 13:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Current Status and Perspective of R&D in High Capacity FWS using Microwave and Millimeter-wave Eisaku Sasaki, Masashi Hirabe, Tung Nguyen, Ryuji Zenkyu (NEC) MWP2017-1 |
In this report, we introduce some methods to increase capacity of FWS (Fixed Wireless Systems). In microwave bands, ultr... [more] |
MWP2017-1 pp.1-6 |
RCS, SR, SRW (Joint) |
2017-03-03 09:25 |
Tokyo |
Tokyo Institute of Technology |
Performance of Linear Precoding with Doppler Compensation for Massive MIMO in Higher Frequency Bands Ilmiawan Shubhi, Hidekazu Murata (Kyoto Univ.) RCS2016-322 |
The drastic growth of traffic demand motivates the exploration of the underutilized frequency spectrum on the high frequ... [more] |
RCS2016-322 pp.181-185 |
RCS, SR, SRW (Joint) |
2017-03-03 10:25 |
Tokyo |
Tokyo Institute of Technology |
11GHz-band MIMO Propagation Channel Characteristics in Outdoor Environments Kentaro Saito, Jun-ichi Takada (TiTech), Kim Minseok (Niigata Univ.) SRW2016-98 |
Recently, the research of the fifth-generation mobile communication system (5G) has been the hot topic to accommodate th... [more] |
SRW2016-98 pp.165-170 |
NS, RCS (Joint) |
2016-12-22 16:00 |
Ishikawa |
|
A Study on Beam Selection Rules and Beam Shapes for Hybrid Beamforming Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Daiki Takeda, Yoshihisa Kishiyama (NTT docomo) RCS2016-234 |
The massive MIMO technology which generates sharp beams in higher frequency bands is known as a promising method to acco... [more] |
RCS2016-234 pp.147-152 |
AP, SAT, SANE (Joint) |
2016-07-22 15:50 |
Hokkaido |
Otaru port marina |
11GHz-band MIMO Channel Propagation Parameters Characteristics in an Outdoor Street Micro-Cell Environment Kentaro Saito, Jun-ichi Takada (TiTech), Minseok Kim (Niigata Univ.) AP2016-65 |
Recently, the fifth-generation mobile communication system (5G) have been hot research topics to accommodate increasing ... [more] |
AP2016-65 pp.155-160 |
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 |
RCS |
2016-06-23 14:50 |
Okinawa |
Univ. of the Ryukyus |
Experimental Evaluation for 26GHz Band under a Crowded Indoor Environment Masashi Iwabuchi, Toshiyuki Shintaku, Mizuki Suga, Takeshi Onizawa, Tetsu Sakata, Masashi Nakatsugawa (NTT) RCS2016-70 |
This report describes the experimental performance of higher-frequency bands which is expected to apply to future wirele... [more] |
RCS2016-70 pp.141-146 |
AP, RCS, WPT, SAT (Joint) |
2015-11-05 15:25 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
[Invited Lecture]
Massive MIMO Technology Using Higher Frequency Bands for 5G Satoshi Suyama, Tatsuki Okuyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) AP2015-137 RCS2015-222 |
In order to tackle rapidly increasing traffic, 5th generation (5G) radio access network in mobile communications introdu... [more] |
AP2015-137 RCS2015-222 pp.155-160(AP), pp.191-196(RCS) |
RCS |
2015-10-02 11:15 |
Kanagawa |
YRP (Yokosuka) |
Performance Evaluation of Beam Selection Schemes for Multiuser Massive MIMO using Hybrid Beamforming in High Frequency Bands Tatsuki Okuyama, Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) RCS2015-181 |
For the realization of a 5G wireless access network with super high bit rate and capacity, massive MIMO is introduced in... [more] |
RCS2015-181 pp.131-136 |
RCS |
2015-06-24 16:35 |
Hokkaido |
Hokkaido Univ. |
Performance Evaluation of Hybrid Beamforming Scheme for Multiuser Massive MIMO Transmission in High Frequency Bands Tatsuki Okuyama, Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) RCS2015-55 |
For the realization of a 5G wireless access network with super high bit rate and capacity, massive MIMO is introduced in... [more] |
RCS2015-55 pp.55-60 |
RCS |
2015-04-17 14:00 |
Oita |
Yufuin, Yufugoukan |
Downlink Transmission Performance of 5G Radio Access Using 15 GHz band in Indoor Small Cell Environment Kiichi Tateishi, Daisuke Kurita, Atsushi Harada, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-19 |
This paper presents the field experimental results on the propagation characteristic and downlink performance with wideb... [more] |
RCS2015-19 pp.101-106 |
RCS, SR, SRW (Joint) |
2015-03-05 09:00 |
Tokyo |
Tokyo Institute of Technology |
Influence of Analog Beamforming Configuration on Massive MIMO with Hybrid Beamforming in High Frequency Bands Satoshi Suyama, Tatsunori Obara, Jiyun Shen, Yukihiko Okumura (NTT DOCOMO) RCS2014-337 |
In order to tackle rapidly increasing traffic, 5th generation (5G) radio access network in mobile communications introdu... [more] |
RCS2014-337 pp.213-218 |
RCS, SR, SRW (Joint) |
2015-03-05 10:15 |
Tokyo |
Tokyo Institute of Technology |
Performance Evaluation of Super High Bit Rate Massive MIMO Transmission using Higher Frequency Bands in Multiuser Environment Tatsuki Okuyama, Satoshi Suyama, Tatsunori Obara, Jiyun Shen, Yukihiko Okumura (NTT DOCOMO) RCS2014-340 |
Towards realization of a 5G wireless access network with super high bit rate and capacity, it is necessary to introduce ... [more] |
RCS2014-340 pp.231-236 |