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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 55  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SRW, SeMI, CNR
(Joint)
2020-11-26
09:40
Online Online A Fundamental Evaluation of Dynamic-Duplex Cellular System on 5G NR Downlink in High SHF Band
Yuya Arakawa, Kazuki Nishikori, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SRW2020-27
IBFD (In-Band Full-Duplex) has been studied on its application to the beyond 5G (5th Generation) since IBFD enables a si... [more] SRW2020-27
pp.13-18
MWP 2020-10-21
16:10
Online Online Transmission Characteristics of 28-GHz Band Analog Radio over Fiber Employing Single-Mode/Multi-Mode VCSEL
Hiroki Yasuda, Takamitsu Aiba, Hiroshi Ishida, Tomohiro Wakabayashi (Yazaki), Tetsuya Kawanishi (Waseda Univ.) MWP2020-29
In 28-GHz band, we would have many radio-wave signal insensitive areas due to shadowing effect by building walls. Radio ... [more] MWP2020-29
pp.15-19
RCS, SR, SRW
(Joint)
2020-03-06
09:00
Tokyo Tokyo Institute of Technology
(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)
2019-12-20
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
AP, RCS
(Joint)
2019-11-20
11:20
Saga Saga Univ. [Encouragement Talk] Low-Complexity User Selection Algorithm for High SHF-Band Multiuser Massive MIMO Using Hybrid Beamforming
Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2019-205
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] RCS2019-205
pp.13-18
MW 2019-11-14
16:00
Okinawa Minami Daido Villa. Tamokuteki Koryu Center High Efficiency Doherty Amplifier Using T-Shaped Stabs with Spurius Suppression and Impedance Conversion Function
Yuki Takagi, Naoki Hasegawa, Yoshichika Ota (SB), Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2019-107
In recent years, various types of wireless stations such as a base station used on quasi-millimeter wave band have been ... [more] MW2019-107
pp.41-46
RCS, SR, SRW
(Joint)
2019-03-08
10:30
Kanagawa YRP 5G R&D Activities for High Capacity Technologies with Ultra High-Density Multi-Band and Multi-Access Layered Cells
Morihiko Minowa, Hiroyuki Seki (Fujitsu), Yukihiko Okumura, Satoshi Suyama (NTT DOCOMO), Jun Terada, Satoshi Shigematsu, Yasushi Takatori (NTT), Hiroaki Asano (Panasonic), Yukio Hirano (Mitsubishi Electric), Yasushi Yamao (UEC), Fumiyuki Adachi, Masataka Nakazawa (Tohoku Univ.) RCS2018-323
In this paper, we make a summary report of our 5G R&D activities for “High Capacity Technologies with Ultra High-Density... [more] RCS2018-323
pp.207-212
RCS, SR, SRW
(Joint)
2019-03-08
16:30
Kanagawa YRP [Encouragement Talk] System Development on 16-beam Spatial-Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroki Iura, Hiroshi Nishimoto, Tasuku Kuriyama, Hideyuki Nakamizo, Daichi Uchino, Naofumi Iwayama, Akihiro Okazaki (Mitsubishi Electric), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino, Yasunori Suzuki, Tetsuro Imai (NTT docomo), Atsushi Okamura (Mitsubishi Electric), Yukihiko Okumura (NTT docomo) RCS2018-332
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2018-332
pp.261-266
RCS, SR, SRW
(Joint)
2019-03-08
17:20
Kanagawa YRP Evaluation of Beam Control Technology for High SHF Wide-band Massive MIMO using Outdoor Radio Measurement Results
Daichi Uchino, Kazuaki Ishioka, Keijiro Take, Atsushi Okamura (Mitsubishi Electric) RCS2018-334
Massive MIMO(Multiple-Input Multiple-Output) in 5th generation radio communication system offers high antenna gain and h... [more] RCS2018-334
pp.273-278
AP 2019-02-22
13:00
Osaka Sumitomo Electric Industries (Osaka Works) [Invited Lecture] Development of High SHF Wide-band Massive MIMO Antenna RF Frontend Module in 5G
Hikaru Watanabe, Satoshi Yamaguchi, Hideki Morishige, Yasuo Morimoto, Nakamizo Hideyuki, Koji Tsutsumi, shintaro Shinjo, Akihiro Okazaki, Tasuku Kuriyama, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric) AP2018-180
In the 5th generation mobile communication system, high system capacity, low latency and massive connection will be prov... [more] AP2018-180
pp.59-64
RCS, AP
(Joint)
2018-11-22
15:30
Okinawa Okinawa Industry Support Center Low Complexity User Selection Algorithm for High SHF Band Multi-User Massive MIMO Using Hybrid Beamforming
Nobuhide Nonaka, Kazushi Muraoka, Satosi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-214
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] RCS2018-214
pp.205-210
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
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
RCS 2018-10-19
14:20
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Lecture] Experimental Trial on 16-beam Spatial-Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroki Iura, Manabu Sakai, Nobuhide Nonaka, Naofumi Iwayama, Akihiro Okazaki (Mitsubishi Electric Corp.), Nobuhide Suyama, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric Corp.), Yukihiko Okumura (NTT DOCOMO) RCS2018-173
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2018-173
pp.121-124
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
10:30
Kanagawa YRP Field Experimental Evaluation of MIMO Transmission Performance in Quad-directional UE Antenna Configuration for 5G Radio Access System
Yuta Takahashi, Yuki Inoue, Shohei Yoshioka, Yoshihisa Kishiyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO, INC.) RCS2017-350
This paper presents field experiments on the downlink performance of a 5G radio access system employing higher rank MIMO... [more] RCS2017-350
pp.191-196
RCS, SR, SRW
(Joint)
2018-03-01
11:50
Kanagawa YRP [Technology Exhibit] Indoor Experimental Verification of Multi-beam Spatial Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroshi Nishimoto, Manabu Sakai, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Satoshi Yamaguchi, Hideyuki Nakamizo, Yoshitaka Murata, Kuniyuki Suzuki, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-354 SR2017-120 SRW2017-74
Recently, the fifth-generation mobile communications system (5G) in higher frequency bands has been extensively studied.... [more] RCS2017-354 SR2017-120 SRW2017-74
pp.215-216(RCS), pp.55-56(SR), pp.41-42(SRW)
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, NS
(Joint)
2017-12-14
13:40
Hiroshima Aster Plaza Performance Evaluation of Massive MIMO Transmission Using Analog Beamforming in a High SHF Band
Yuta Takahashi, Hiroyuki Miyazaki, Tatsuki Okuyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2017-254
The fifth-generation (5G) mobile communication systems introduces Massive MIMO for super high bit rate and large system ... [more] RCS2017-254
pp.25-30
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
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