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All Technical Committee Conferences (All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MWP | 2021-11-26 13:50 |
Online | Online | [Invited Talk]
R&D for Higher Frequency Bands Radio-over-Fiber Systems Yushi Shirato, Kota Ito, Mizuki Suga, Takuto Arai, Yuta Takahashi, Yasuyoshi Yamamoto, Naoki Kita (NTT)  MWP2021-31 |
In order to enhance the transmission capacity, it is effective to use higher frequency band radio waves with abundant fr... [more] | MWP2021-31 pp.6-11 |
| AP | 2021-10-07 14:25 |
Online | Online | [Poster Presentation]
Experimental Evaluation of Load-modulating Channel Estimation Method for Tunable Reflectarray Shun Sasaki, Kentaro Murata, Naoki Honma (Iwate Univ.), Yuta Takahashi, Yuji Aburakawa, Yoshifumi Morihiro (NTT DOCOMO) AP2021-82 |
[more] | AP2021-82 pp.56-58 |
| NC, MBE (Joint) |
2020-03-04 10:20 |
Tokyo | University of Electro Communications (Cancelled but technical report was issued) |
The relationship between psychiatric diseases and less exploratory behaviors Shuhei Hara (Waseda Univ), Kenji Doya (OIST), Takayuki Koga, Yuta Takahashi, Rieko Osu (Waseda Univ) NC2019-77 |
Less exploratory behaviors are seen in many psychiatric diseases. In our research, healthy subjects completed a behavior... [more] | NC2019-77 pp.9-14 |
| NC, MBE | 2019-12-06 11:00 |
Aichi | Toyohashi Tech | Prediction of EEG Time Series with Reservoir Computing Takayuki Koga, Yuta Takahashi, Rieko Osu (Waseda Univ) MBE2019-48 NC2019-39 |
We applied Reservoir Computing (RC) to predict and generate EEG time-series. In the prediction, 10sec EEG was used for t... [more] | MBE2019-48 NC2019-39 pp.19-24 |
| RCS | 2019-10-25 10:20 |
Kanagawa | Yokosuka Research Park | 28-GHz Band 5G Downlink Throughput Enhancement Using Reflectarray with Variable Phase Shifter Yuta Takahashi (NTT Docomo Inc.), Yuta Takahashi (Iwate Univ.), Junichi Abe, Kazushi Muraoka, Satoshi Suyama, Yuji Aburakawa (NTT Docomo Inc.) RCS2019-194 |
SHF band (3 to 30 GHz) radio waves, used for fifth-generation (5G) mobile communication systems, has an issue to establi... [more] | RCS2019-194 pp.89-94 |
| RCS | 2019-04-18 11:20 |
Hokkaido | Noboribetsu Grand Hotel | 28 GHz-Band Experimental Trial of Downlink Massive MIMO in Urban Railway Environment Kazushi Muraoka, Nobuhide Nonaka, Yuta Takahashi, Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2019-5 |
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which 400 MHz band will be av... [more] | RCS2019-5 pp.23-28 |
| RCS, SR, SRW (Joint) |
2019-03-07 12:25 |
Kanagawa | YRP | [Technology Exhibit]
DOCOMO's Activities in 5G System Trial in Fiscal Year 2018 Nobuhide Nonaka, Tatsuki Okuyama, Yuta Takahashi, Kazushi Muraoka, Noriaki Minamida, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-308 SR2018-129 SRW2018-59 |
Standardization, research, and development activities are conducted for the fifth-generation (5G) mobile communication s... [more] | RCS2018-308 SR2018-129 SRW2018-59 p.145(RCS), p.57(SR), p.25(SRW) |
| NC, MBE (Joint) |
2019-03-05 17:05 |
Tokyo | University of Electro Communications | Detecting the Number of Compartments Using Convolutional Neural Network Takayuki Koga, Yuta Takahashi, Shuntaro Okazaki, Rieko Osu (Waseda Univ.) NC2018-74 |
n this study, we examined the compartment counting ability of Convolutional Neural Network (CNN) using images that are c... [more] | NC2018-74 pp.163-168 |
| WIT, ASJ-H | 2019-02-08 10:30 |
Ehime | Ehime Univ. | Study on sign language recognition using machine learning Yuta Takahashi, Tsutomu Kimura (NITTC), Kazuyuki Kanda (Minpaku) WIT2018-60 |
Our purpose is to recognize kinetic movements in sign language through machine learning which consists of a recurrent ne... [more] | WIT2018-60 pp.59-64 |
| SAT, RCS (Joint) |
2018-08-09 11:20 |
Iwate | Iwate University | Field Trial of 28 GHz Band Downlink Massive MIMO in Railway Environment Yuta Takahashi, Hiroyuki Miyazaki, Tatsuki Okuyama, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-133 |
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which almost 1-GHz band will ... [more] | RCS2018-133 pp.13-18 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 14:05 |
Hokkaido | Hakodate Arena | Outdoor Trial of Beamforming in Ultra-Highly Mobile Environment
-- Downlink Massive MIMO Performance at 28GHz -- Kazushi Muraoka, Yuta Takahashi, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-111 |
Field trials of the fifth-generation (5G) mobile communication system using 28GHz band at which almost 1-GHz band will b... [more] | RCS2018-111 pp.149-154 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 14:30 |
Hokkaido | Hakodate Arena | Outdoor Trial of Beamforming in Ultra-Highly Mobile Environment
-- Uplink Massive MIMO and Handover Performances at 28GHz -- Yuta Takahashi, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-112 |
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which almost 1-GHz band will ... [more] | RCS2018-112 pp.155-160 |
| 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 |
| HPB (2nd) |
2018-02-21 16:15 |
Tokyo | Analysis of Tourist's Unconscious Gesture Toward Inner State Estimation During Sightseeing Yuta Takahashi (NAIST), Yuki Matsuda (NAIST/JSPS research fellow DC1), Dmitrii Fedotov (UULM), Yutaka Arakawa (NAIST/JST PRESTO), Wolfgang Minker (UULM), Keiichi Yasumoto (NAIST) |
As the demand for "smart tourism" increases, various tourism information becomes available, but the existing tourist inf... [more] | ||
| CQ (2nd) |
2018-01-20 12:50 |
Tokyo | Nishiwaseda Campus, Waseda Univ. | [Poster Presentation]
Transient characteristics and stabilization of reservation control scheme for disaster congestion Yuki Arai, Yuta Takahashi, Takefumi Hiraguri, Hideaki Yoshino (NIT) |
When a disaster such as an earthquake occurs, telephone traffic to the disaster area increases rapidly for mainly safety... [more] | |
| 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 |
| SANE | 2016-06-24 15:40 |
Ibaraki | Tsukuba Space Center, JAXA | Ionosphere Sounding Satellite HATO SATs Takuma Ishikawa, Hiroki Kurasaki, Yoshinari Kimura, Yuta Takahashi, Mikiya Kobayashi, Keita Tanak, Masanobu Shimada (Tokyo Denki Univ) SANE2016-19 |
An anomalous microwave propagation in the ionosphere affects the space communication and earth remote sensing using the ... [more] | SANE2016-19 pp.55-60 |
| SS | 2016-03-10 16:30 |
Okinawa | CodeConcierge: A Programming Environment Based on Crowd Knowledge Yuta Takahashi, Takuya Fukamachi, Naoyasu Ubayashi, Shintaro Hosoai, Yasutaka Kamei (Kyushu Univ.) SS2015-90 |
In software development，many developers turn to crowd knowledge database，e.g., Q&A sites, OSS repositories and online do... [more] | SS2015-90 pp.85-90 |
|
| RCS, SR, SRW (Joint) |
2015-03-06 15:25 |
Tokyo | Tokyo Institute of Technology | Iterative Reception Employing Sparse Channel Estimation for OFDM Systems Yuta Takahashi, Kazuhiko Fukawa, Hiroshi Suzuki, Yuyuan Chang (Tokyo Tech) RCS2014-372 |
OFDM transmission schemes are adopted for the integrated services digital broadcasting-terrestrial (ISDB-T) and the down... [more] | RCS2014-372 pp.423-428 |
| OPE, LQE | 2014-06-20 15:50 |
Tokyo | Low Driving Voltage Electro-absorption Modulator Laterally Integrated with VCSEL Hamed Dalir, Yuta Takahashi, Fumio Koyama (Tokyo Inst. of Tech.) OPE2014-19 LQE2014-24 |
[more] | OPE2014-19 LQE2014-24 pp.31-34 |
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