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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| RCS, SR, SRW (Joint) |
2017-03-02 11:40 |
Tokyo | Tokyo Institute of Technology | Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems
-- Performance Evaluation of UE mobility for Wideband Coordinated MU-MIMO in Field Experiment -- Kotaro Shiizaki, Chiyoshi Akiyama (FUJITSU LABORATORIES), Masafumi Tsutsui, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2016-312 |
In 5G mobile communication systems, an effective high-capacity technology is expected by using high-density small cells.... [more] | RCS2016-312 pp.139-144 |
| 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 |
| RCS | 2016-10-20 10:10 |
Kanagawa | YRP (Yokosuka) | Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems
-- Influence of UE mobility in Field Experiment of Wideband Coordinated MU-MIMO transmission -- Masafumi Tsutsui, Tasashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU), Chiyoshi Akiyama, Kotaro Shiizaki (FUJITSU LABS), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2016-155 |
[more] | RCS2016-155 pp.13-18 |
| RCS | 2016-10-21 12:40 |
Kanagawa | YRP (Yokosuka) | [Invited Lecture]
R&D Activities of Massive MIMO Technologies for 5G Satoshi Suyama, Jun Mashino, Yuki Inoue, Yukihiko Okumura (NTT DOCOMO) RCS2016-183 |
The fifth-generation (5G) mobile communication system has attracted much attention to provide various kinds of mobile se... [more] | RCS2016-183 pp.167-172 |
| SAT, RCS (Joint) |
2016-08-18 11:25 |
Miyagi | Tohoku Gakuin University | [Encouragement Talk]
Research and Development on Dynamic Frequency Control Technologies for High-Capacity Satellite Communications Katsuya Nakahira, Jun-ichi Abe, Jun Mashino (NTT) SAT2016-33 |
[more] | SAT2016-33 pp.1-6 |
| 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 |
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-22 15:25 |
Aichi | R&D Activities for 5G in IEICE Technical Committee on Radio Communication Systems in FY2015
-- Multi-Antenna Technologies and Advanced Modulation/Multiple Access Schemes -- Yukitoshi Sanada (Keio Univ.), Satoshi Denno (Okayama Univ.), Hidekazu Murata (Kyoto Univ.), Toshihiko Nishimura (Hokkaido Univ.), Tomoya Tandai (Toshiba Corp.), Akihiro Okazaki (Mitsubishi Electric Corp.), Satoshi Suyama, Jun Mashino (NTT DOCOMO), Tetsuya Yamamoto (Panasonic), Makoto Taromaru (Fukuoka Univ.) RCS2016-128 |
The fifth generation (5G) mobile communication systems are expected to be launched within several years. This report pro... [more] | RCS2016-128 pp.177-182 |
|
| IN, RCS (Joint) |
2016-05-19 16:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
Radio Access Technologies and Experimental Trials for 5G Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) IN2016-11 RCS2016-33 |
In order to realize various kinds of mobile services and applications, the fifth-generation (5G) mobile communication sy... [more] | IN2016-11 RCS2016-33 p.59(IN), p.53(RCS) |
| IN, RCS (Joint) |
2016-05-20 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Performance Evaluation of Low-SHF-Band Massive MIMO in 5G by Using Actual Propagation Data Tatsuki Okuyama (NTT DOCOMO), Kenichiro Yamazaki (NEC), Satoshi Suyama, Shohei Yoshioka, Jun Mashino, Tatsunori Obara (NTT DOCOMO), Boonsarn Pitakdumrongkija (NEC), Yukihiko Okumura (NTT DOCOMO) RCS2016-41 |
[more] | RCS2016-41 pp.95-100 |
| 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, CCS, SR, SRW (Joint) |
2016-03-02 16:20 |
Tokyo | Tokyo Institute of Technology | BER Performance Degradation due to Hardware Implementation Errors in Ultra Multi-level SSB-DFTs-OFDM Hirokazu Fusayasu, Shigeki Nihei, Masahiro Umehira (Ibaraki Univ.), Junichi Abe, Jun Mashino (NTT) RCS2015-347 |
We have proposed SSB-DFTs-OFDM using ultra multi-level BPSK modulation to further improve spectral efficiency. In the pr... [more] | RCS2015-347 pp.85-90 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-02 17:45 |
Tokyo | Tokyo Institute of Technology | Soft-Decision-Aided Joint Maximum-Likelihood Estimation of Signal Power and Noise Spectral Density Over AWGN Channels Yohei Shibata (Keio Univ.), Haifeng Yuan (NUS), Tomoaki Ohtsuki, Pooi Yuen Kam (Keio Univ.), Jun Mashino (NTT) RCS2015-350 |
The estimation of signal power and noise spectral density is a fundamental problem in communication theory, which is con... [more] | RCS2015-350 pp.103-108 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 16:45 |
Tokyo | Tokyo Institute of Technology | Suppression of Multiple Wideband-Interferences Based on Superposition Probability Yuto Kakizaki, Yohei Shibata, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino (NTT) RCS2015-399 |
Superposed multicarrier transmission is proposed as one of the schemes that improve frequency utilization efficiency. In... [more] | RCS2015-399 pp.387-392 |
| NS, RCS (Joint) |
2015-12-18 11:00 |
Ehime | Matsuyama Community Center | A Consideration on Impact of DC Offset Error in Frequency Domain Equalization of DFTs-OFDM and SSB-DFTs-OFDM Shigeki Nihei, Hirokazu Fusayasu, Masahiro Umehira (Ibaraki Univ.), Junichi Abe, Jun Mashino (NTT) RCS2015-264 |
DFTs-OFDM (DFT spread OFDM) and SSB-DFTs-OFDM (Single Side Band DFTs-OFDM) have lower PAPR than OFDM while maintaining t... [more] | RCS2015-264 pp.121-126 |
| NS, RCS (Joint) |
2015-12-18 11:25 |
Ehime | Matsuyama Community Center | Feasibility Study of Ultra Multi-level Modulation and Demodulation based on SSB-DFTs-OFDM Hirokazu Fusayasu, Shigeki Nihei, Masahiro Umehira (Ibaraki Univ.), Junichi Abe, Jun Mashino (NTT) RCS2015-265 |
This report describes feasibility of ultra multi-level modulation based on SSB-DFTs-OFDM. This report reveals that SSB-D... [more] | RCS2015-265 pp.127-132 |
| SAT | 2015-10-07 13:55 |
Osaka | Osaka University Nakanoshima Center | Experimental Evaluation of Frequency Offset Compensation Method for Direct Spectrum Division Transmission Jun-ichi Abe, Jun Mashino, Tadao Nakagawa (NTT) SAT2015-29 |
This paper introduces a frequency compensation method applicable to multiple access in Direct Spectrum Division Transmis... [more] | SAT2015-29 pp.55-60 |
| RCS, SAT (Joint) |
2015-08-17 15:55 |
Fukuoka | Fukuoka Univ. | [Encouragement Talk]
Overview of R&D Activities for 5G in IEICE Technical Committee on Radio Communication Systems Hidekazu Murata (Kyoto Univ.), Eiji Okamoto (Nagoya Tech), Akihiro Okazaki (Mitsubihi Elec.), Satoshi Suyama (DOCOMO), Takamichi Inoue (NEC), Jun Mashino (NTT), Tetsuya Yamamoto (Panasonic), Makoto Taromaru (Fukuoka Univ.) SAT2015-18 RCS2015-140 |
As the demand for higher transmission rates and spectral efficiency is steadily increasing, the research and developmen... [more] | SAT2015-18 RCS2015-140 pp.41-46(SAT), pp.49-54(RCS) |
| RCS, SAT (Joint) |
2015-08-18 15:55 |
Fukuoka | Fukuoka Univ. | Indoor Experimental Evaluation of Blind Adaptive Array with Subcarrier Transmission Power Assignment in Spectrum Sharing Scenarios Hideya So, Kazuki Maruta, Jun Mashino, Kouhei Suzaki (NTT) RCS2015-155 |
In order to extend the operational Signal-to-Interference power Ratio (SIR) range of the blind adaptive arrays, we previ... [more] | RCS2015-155 pp.135-140 |
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