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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
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Committee Date Time Place Paper Title / Authors Abstract Paper #
ISEC, IT, WBS 2020-03-10
16:10
Hyogo University of Hyogo
(Cancelled but technical report was issued)
[Invited Talk] Development of Path Shadowing Number Model and Prediction of Transmission Capacity in a 5G's Small Cell
Tokio Taga (Kwansei Gakuin Univ.) IT2019-98 ISEC2019-94 WBS2019-47
The standardization and technology development of 5th generation (5G) mobile communication system have been completed an... [more] IT2019-98 ISEC2019-94 WBS2019-47
pp.59-64
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
AP 2018-05-18
13:25
Kumamoto Kumamoto Univ. An estimation of secondary radiation pattern for predicting outdoor to indoor radio propagation characteristics
Keita Okahashi, Tokio Taga (Kwansei Gakuin Univ.) AP2018-30
A numerical method combined ray-tracing technique with geometrical optic approximation is proposed and used for estimati... [more] AP2018-30
pp.95-98
RCS, SR, SRW
(Joint)
2018-03-01
11:10
Kanagawa YRP Performance Evaluation of Digital Beamforming by Outdoor Trials for 5G Massive MIMO in Low SHF Bands
Tatsuki Okuyama (NTT DOCOMO), Kohei Izui, Kenichiro Yamazaki (NEC), Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2017-352
The fifth-generation (5G) mobile communication system has attracted much attention to provide various kinds of mobile se... [more] RCS2017-352
pp.203-208
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-21
11:55
Hokkaido Hokkaido Univ. Propagation Experiment in LOS environment at 28GHz band for High SHF Wide-band Massive MIMO in 5G
Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Kiyoshige Nakamura, Akihiro Okazaki (Mitsubishi Electric), Kei Satoh, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) RCS2017-137
Recently, mobile communication technologies for the fifth generation (5G) in higher frequency bands have been extensivel... [more] RCS2017-137
pp.227-232
RCS 2017-06-21
15:45
Okinawa Ishigaki Shoukou Kaikan Performance Evaluation of Intersite-Coordination Beamforming for 5G Low-SHF-Band Massive MIMO by Outdoor Experimental Results
Tatsuki Okuyama, Shohei Yoshioka (NTT DOCOMO), Kenichiro Yamazaki, Daisuke Nose (NEC), Satoshi Suyama, Jun Mashino (NTT DOCOMO), Yasushi Maruta (NEC), Yukihiko Okumura (NTT DOCOMO) RCS2017-56
The fifth-generation (5G) mobile communication systems introduces Massive MIMO for super high bit rate and large system ... [more] RCS2017-56
pp.37-42
RCS 2017-04-25
14:20
Kagawa Kotohira Onsen Kotosankaku Performance Evaluation of Digital Beamforming by Indoor and Outdoor Propagation Experimental Results for 5G Massive MIMO in Low SHF Band
Tatsuki Okuyama (NTT DOCOMO), Kenichiro Yamazaki, Daisuke Nose (NEC), Satoshi Suyama, Jun Mashino, Shohei Yoshioka (NTT DOCOMO), Yasushi Maruta (NEC), Yukihiko Okumura (NTT DOCOMO) RCS2017-25
The fifth-generation (5G) mobile communication systems introduces Massive MIMO for super high bit rate and large system ... [more] RCS2017-25
pp.131-136
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
SR 2016-01-22
13:45
Nagasaki Fukue-bunka-kaikan Experimental Evaluation of Coverage in 3.5GHz-Band Small Cell Indoor-Outdoor Propagation Environment
Hideki Fukudome, Kohei Akimoto, Surugu Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-86
Recently, it is a serious issue on wireless communication that traffic of cellular network is increasing rapidly. For th... [more] SR2015-86
pp.95-100
AP, WPT
(Joint)
2014-10-17
13:55
Hokkaido Hokkaido University, Clark Memorial Student Center Experimental Investigation of Glass Loss for Indoor-to-outdoor Propagation
Hiromi Matsuno, Toru Kitayabu, Yoshiaki Amano, Masayuki Nakano, Akira Yamaguchi (KDDI R&D Labs) AP2014-125
In this paper, the experimental evaluation of indoor-to-outdoor propagation in 3.5GHz, 2.115GHz, and 870MHz is employed.... [more] AP2014-125
pp.93-97
RCS, SAT
(Joint)
2013-08-29
16:35
Nagano Shinshu Univ. Effect of Reflector Based on 11 GHz Band 8x8 MIMO Outdoor Experiment in LOS Channels and Transmission Simulation
Jiyun Shen, Satoshi Suyama, Yasuhiro Oda, Yukihiko Okumura (NTT DOCOMO) RCS2013-130
Multi-input multi-output (MIMO) transmission system that utilize a higher frequency band and a wider bandwidth is known ... [more] RCS2013-130
pp.43-48
RCS 2013-06-21
09:50
Hokkaido Hokkaido Univ. 11 GHz Band Super High Bit Rate Mobile Communicaion System Employing CoMP and Evaluation by Outdoor Transmission Experiment
Mitsuru Takahashi, Satoshi Suyama, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Tech) RCS2013-64
In order to increase bit-rate, more than 10 Gbps super high bit-rate mobile communications have been studied. For experi... [more] RCS2013-64
pp.159-164
SIP, RCS 2013-02-01
13:50
Hiroshima Viewport-Kure-Hotel (Kure) Outdoor experiments of nonlinear multiuser MIMO transmission with vector perturbation
Satoshi Sonobe, Satoshi Tsukamoto, Takahiro Maeda, Kazuto Yano, Hiroshi Ban, Masahiro Uno, Kiyoshi Kobayashi (ATR) SIP2012-121 RCS2012-278
We have developed an 8×8 multiuser MIMO experimental system based on LTE-advanced with vector perturbation. This paper p... [more] SIP2012-121 RCS2012-278
pp.237-242
AP 2013-01-23
14:25
Miyazaki Hotel Merieges (Miyazaki City) A Experimental Study on Spatio-Temporal Channel Characteristics in Outdoor-to-Indoor Radio Propagation Environment
Tetsuro Imai, Kentaro Saito, Koshiro Kitao, Yukihiko Okumura (NTT DOCOMO) AP2012-129
In heterogeneous networks which are investigated as next generation mobile communication networks, many small-cells such... [more] AP2012-129
pp.43-48
AP 2012-03-15
14:35
Shizuoka Chuo public hall (Atami City) A Study on Path Shadowing Model due to Human Activities in Outdoor to Indoor Radio Propagation Environments
Tokio Taga (Kwansei Gakuin Univ.), Tetsuro Imai (NTT docomo) AP2011-204
Although the propagation characteristics in outdoor region be practically the free space characteristics in a signal tra... [more] AP2011-204
pp.31-36
SR, RCS, SRW
(Joint)
2012-03-07
16:05
Kanagawa YRP Base Station Equipment for Multi-User MIMO Transmission Experiments on 5GHz Band
Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto (Kyoto Univ.), Daisuke Umehara (Kyoto Tech), Satoshi Denno (Okayama Univ.), Masahiro Morikura (Kyoto Univ.) RCS2011-330
MIMO precoding requires precise control of transmit signals from multiple antennas in order to suppress inter-user inter... [more] RCS2011-330
pp.83-88
SIS 2010-12-02
15:35
Nara   Development and Outdoor Propagation Experiment of Wideband MIMO-OFDM Wireless Transmission Equipment
Hisayoshi Kano, Shingo Yoshizawa (Hokkaido Univ.), Takashi Gunji, Shougo Okamoto, Morio Tawarayama (Mitsubishi Electric TOKKI Systems), Yoshikazu Miyanaga (Hokkaido Univ.) SIS2010-46
To deal with speed up and high capacity in wireless communication, the development of IEEE802.11ac has started for a nex... [more] SIS2010-46
pp.65-70
AP 2008-04-17
10:45
Osaka Osaka Electro-Communication University An analysis of radio propagation characteristics using ray-tracing techniques on an outdoor propagation experiment
Toshiteru Hayashi, Atsushi Yamamoto, Koichi Ogawa (Matsushita Electric), Gert F. Pedersen (Aalborg Univ.) AP2008-2
This paper presents radio propagation characteristics at 2.4 GHz in a street micro-cell environment calculated using a t... [more] AP2008-2
pp.7-12
AP 2008-02-07
13:00
Tokyo NHK A Mobile Transmission Experiment of 800MHz-band MIMO System in Urban Area
Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda, Takao Kuki (NHK) AP2007-166
We have been studying MIMO techniques to achieve a higher frequency utilization of the 800MHz-band FPU system, which is ... [more] AP2007-166
pp.17-22
AP 2007-02-08
15:40
Tokyo Kikai-Shinko-Kaikan Bldg. Effectiveness of Polarization and Radiation Pattern Selection in Outdoor Multi-User MIMO System
Naoki Honma, Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Atsushi Ohta, Shuji Kubota (NTT) AP2006-141
This report presents the experimental results of MU-MIMO (Multi-User Multi-Input Multi-Output) channel of an antenna wit... [more] AP2006-141
pp.31-36
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