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All Technical Committee Conferences (Searched in: All Years)
| 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 |
| EMM, EA, ASJ-H | 2021-11-16 09:00 |
Online | Online | [Poster Presentation]
Mode-matching with energy constraint of loudspeakers based on analytical approach Yuki Kawasaki, Makoto Otani (Kyoto Univ.) EA2021-49 EMM2021-76 |
Higher-Order Ambisonics (HOA) is a method of sound field reproduction, which usually uses mode matching to control expan... [more] | EA2021-49 EMM2021-76 pp.128-133 |
| MI, MICT [detail] | 2021-11-05 12:45 |
Online | Online | [Invited Talk]
Iris Authentication using Higher-Order Spectral Features Keisuke Kameyama (Univ. Tsukuba) MICT2021-35 MI2021-33 |
This report summarizes the works on the use of higher-order spectral (HOS) features for iris authentication. Initially, ... [more] | MICT2021-35 MI2021-33 pp.31-36 |
| 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 |
| SeMI | 2021-01-20 13:20 |
Online | Online | A Study of Online Training Method for Image-based Wireless Link Quality Prediction Sohei Itahara (Kyoto Univ), Takayuki Nishio (Tokyo Tech), Masahiro Morikura, Koji Yamamoto (Kyoto Univ) SeMI2020-44 |
Machine-learning-based prediction of future wireless link quality is an emerging technique that can potentially improve ... [more] | SeMI2020-44 pp.7-9 |
| 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 |
| MWP | 2020-05-28 14:30 |
Online | Online | Experimental Evaluation of Remote Beamforming Scheme for Higher Frequency Band Radio-over-Fiber Systems Kota Ito, Mizuki Suga, Yushi Shirato, Naoki Kita (NTT) MWP2020-2 |
We have proposed remote beamforming scheme for higher frequency band, which can remotely control the beam direction of b... [more] | MWP2020-2 pp.7-12 |
| 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 | 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 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Vehicle-to-Pedestrian Connectivity on High Frequency Band Vehicle-Installed Access Points for Adaptive Mobile Network Kazuki Maruta (Chiba Univ.), Yu Nakayama (Aoyama Gakuin Univ.), Kazuaki Honda (Keio Univ.), Daisuke Hisano (Osaka Univ.), Ken Tanaka (neko 9 Lab.), Chang-Jun Ahn (Chiba Univ.) RCS2018-167 |
We previously conceived a concept of adaptive mobile network to track the demand traffic fluctuation via vehicle-install... [more] | RCS2018-167 pp.89-94 |
| RCS | 2018-06-22 10:10 |
Nagasaki | Nagasaki University | BER Performance of OFDM-based 1024/4096-QAM in Multipath Fading Conditions Ruxiao Tian, Hiroyuki Otsuka (Kogakuin Univ.) RCS2018-67 |
Higher-order modulation is promising technique of 5th-generation mobile systems to increase data rate within a limited b... [more] | RCS2018-67 pp.191-194 |
| 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) |
| SIP, IT, RCS | 2018-01-22 15:20 |
Kagawa | Sunport Hall Takamatsu | Performance evaluation on beam shapes and number of selected beams in a massive MIMO system Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yoshihisa Kishiyama, Daiki Takeda (NTT DOCOMO) IT2017-76 SIP2017-84 RCS2017-290 |
In massive MIMO systems, there have already been several studies on 2-step beamforming that forms a precoder in a subspa... [more] | IT2017-76 SIP2017-84 RCS2017-290 pp.125-130 |
| 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 |
| RCS | 2017-06-21 15:20 |
Okinawa | Ishigaki Shoukou Kaikan | Performance Evaluation on Beam Selection Rules and Beam Shapes of a Massive MIMO System in Time-varying Environments Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Daiki Takeda, Yoshihisa Kishiyama (NTTDocomo) RCS2017-55 |
In massive MIMO systems, there have already been a number of papers on 2-step beamforming that forms a precoder in a bea... [more] | RCS2017-55 pp.31-36 |
| RCS | 2017-06-23 09:30 |
Okinawa | Ishigaki Shoukou Kaikan | A Multiple Differential Detection Based on Channel Prediction Employing Soft-Output Per-Survivor Processing Kazuki Shimomura, Toshiki Mori, Hiroshi Kubo (Ritsumeikan Univ.) RCS2017-77 |
In order to improve tracking capability for fast time-varying channels, this paper proposes demodulation schemes employi... [more] | RCS2017-77 pp.161-166 |
| 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 |
| SP, SIP, EA | 2017-03-01 12:40 |
Okinawa | Okinawa Industry Support Center | [Poster Presentation]
Indoor-environmental sound identification based on deep neural network with higher-dimensional features Sakiko Mishima, Yukoh Wakabayashi, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2016-87 SIP2016-142 SP2016-82 |
Surveillance systems with a video camera have been utilized for the safety of people. It is important to identify the in... [more] | EA2016-87 SIP2016-142 SP2016-82 pp.31-36 |
| 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 |
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