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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 27  /  [Next]  
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
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