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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 10:25 |
Tokyo | Tokyo Institute of Technology | Effect of Intersite Coordination Control for 5G Low-SHF-Band Massive MIMO with Digital Beamforming Shohei Yoshioka, Satoshi Suyama, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2016-309 |
(To be available after the conference date) [more] | RCS2016-309 pp.121-126 |
| RCS, SR, SRW (Joint) |
2017-03-02 10:50 |
Tokyo | Tokyo Institute of Technology | Development and Basic Characteristics of Low-SHF-Band Massive Element Active Antenna System for 5G Daisuke Nose, Kazuo Tanada, Toshifumi Sato, Yasushi Maruta, Takuji Mochizuki, Masashi Hirabe, Makoto Hayakawa (NEC), Tatsuki Okuyama, Jun Mashino, Satoshi Sumaya, Yukihiko Okumura (NTT DOCOMO) RCS2016-310 |
Capacity enhancement is desired to deal with rapid increase of data traffic as one of key requirements for 5G. We focus ... [more] | RCS2016-310 pp.127-132 |
| 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 |
| IT, SIP, RCS | 2017-01-19 10:50 |
Osaka | Osaka City Univ. | Performance Evaluation of 5G Low-SHF-Band Massive MIMO with Digital Beamforming Using Two-Stage Channel Estimation Shohei Yoshioka, Satoshi Suyama, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) IT2016-48 SIP2016-86 RCS2016-238 |
The fifth-generation (5G) mobile communication system will utilize higher frequency bands with wider bandwidth for super... [more] | IT2016-48 SIP2016-86 RCS2016-238 pp.13-18 |
| EMCJ, IEE-EMC, MW, EST [detail] | 2016-10-20 11:20 |
Miyagi | Tohoku Univ. | An RF Frontend Amplifier Module for High SHF Wide-band Massive MIMO in 5G Keigo Nakatani, Shintaro Shinjo, Yuji Komatsuzaki, Jun Kamioka, Ryota Komaru, Hideyuki Nakamizo, Miyawaki Katsumi, Koji Yamanaka (Mitsubishi Electric) EMCJ2016-64 MW2016-96 EST2016-60 |
A highly integrated RF frontend module including a three-stage power amplifier (PA), a two-stage low noise amplifier (LN... [more] | EMCJ2016-64 MW2016-96 EST2016-60 pp.25-30 |
| SAT, RCS (Joint) |
2016-08-19 13:05 |
Miyagi | Tohoku Gakuin University | Throughput Performance on 5G Ultra High-Density Distributed Antenna System using Digital FBCP at Low SHF band Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2016-143 |
In order to tackle rapidly increasing traffic, ultra high-density distributed antenna system has been proposed for the f... [more] | RCS2016-143 pp.77-82 |
| SAT, RCS (Joint) |
2016-08-19 13:30 |
Miyagi | Tohoku Gakuin University | Effect of Generating Unequal Spacing Beam Candidates for 5G Low-SHF-Band Massive MIMO with Digital Beamforming Shohhei Yoshioka, Tatsuki Okuyama, Inoue Yuki, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2016-144 |
Toward 5th generation (5G) radio access network in mobile communications, in low-SHF-band, full digital Massive MIMO tec... [more] | RCS2016-144 pp.83-88 |
| OPE, MW, EMT, MWP, EST, IEE-EMT [detail] | 2016-07-21 17:05 |
Hokkaido | EMT2016-17 MW2016-48 OPE2016-29 EST2016-18 MWP2016-19 |
In recent years, traffic demand for mobile communications continues to increase, which causes the necessity of developin... [more] | EMT2016-17 MW2016-48 OPE2016-29 EST2016-18 MWP2016-19 pp.67-70 |
|
| IN, RCS (Joint) |
2016-05-20 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Optimization of Number of Beams for 5G Low-SHF-Band Massive MIMO with Digital Beamforming in View of Insertion Loss of Pilot Signals Shohei Yoshioka, Satoshi Suyama, Tatsunori Obara, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2016-42 |
Toward 5th generation (5G) radio access network in mobile communications for super high bit rate and large system capaci... [more] | RCS2016-42 pp.101-106 |
| RCS | 2016-04-22 10:35 |
Aomori | Romantopia, A Landscape of Forest and Stars, Hirosaki City | Coverage Evaluation of 5G Massiive MIMO Transmission with Digital Beamforming in Low SHF Band Tatsuki Okuyama, Shohei Yoshioka, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2016-14 |
In order to tackle rapidly increasing traffic, 5th generation (5G) radio access network in mobile communications introdu... [more] | RCS2016-14 pp.77-82 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 11:15 |
Tokyo | Tokyo Institute of Technology | Performance Evaluation of Massive MIMO with Digital Beamforming in Low SHF Bands for 5G Shohei Yoshioka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-378 |
To realize the fifth generation mobile communications system (5G) with super high bit rate and capacity, NTT docomo is a... [more] | RCS2015-378 pp.261-266 |
| NS, RCS (Joint) |
2015-12-17 13:00 |
Ehime | Matsuyama Community Center | [Invited Lecture]
5G R&D Activities for High Data Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMO Yukihiko Okumura, Satoshi Suyama (NTT DOCOMO), Toshifumi Sato, Yasushi Maruta (NEC), Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric), Akihiro Otaka, Jun Terada (NTT) NS2015-133 RCS2015-249 |
In this report, we introduce our 5G R&D activities for “High Data Rate and Low-Power-Consumption Radio Access Technologi... [more] | NS2015-133 RCS2015-249 pp.37-42(NS), pp.35-40(RCS) |
| RCS | 2015-10-01 16:15 |
Kanagawa | YRP (Yokosuka) | [Invited Lecture]
Activities on High Capacity 5G Wireless Access Yasushi Maruta, Toshifumi Sato, Yoshikazu Kakura (NEC) RCS2015-173 |
With rapid increase of data traffic of broadband mobile service and diversity of mobile services, capacity enhancement w... [more] | RCS2015-173 pp.89-94 |
| AP, RCS (Joint) |
2012-11-16 15:40 |
Tokyo | Tokyo Denki University | A Study on Time-Spatial Propagation Model for Low Antenna Height Base Station
-- Delay Profile Model -- Teruya Fujii, Yoshichika Ohta, Hideki Omote, Yosuke Sugita (SBM) AP2012-114 |
In order to develop higher capacity cellular system, a system designing considering both frequency characteristics in tr... [more] | AP2012-114 pp.121-126 |
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