Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2021-04-23 13:00 |
Online |
Online |
[Invited Lecture]
Evaluation of propagation characteristics of millimeter wave band along the railway. Yoshihiro Matsumura, Tomoyuki Tange, Eishi Sasaki (JR-Central), Koki Iwamoto, Kazuki Nakamura (RTRI), Yukitoshi Sanada (Keio Univ.) RCS2021-14 |
Relatively low-speed communications such as voice communication and data communication of a few Mbps have been used for ... [more] |
RCS2021-14 pp.66-71 |
RCS |
2021-04-23 13:45 |
Online |
Online |
[Invited Talk]
Utilization of Radio Communication System for Train Operation Kazuki Nakamura, Takayasu Kitano (RTRI) RCS2021-15 |
In railways, wireless communication systems are indispensable for the transmission of information related to train opera... [more] |
RCS2021-15 pp.72-77 |
RCS, AP, UWT (Joint) |
2020-11-26 15:40 |
Online |
Online |
Measures result and simulation evaluation of 45GHz band millimeter wave propagation characteristics in the curve section of railway Yoshihiro Matsumura, Tomoyuki Tange, Takeshi Nishiyama (JR-Central.), Hiroyuki Igura, Tomoki Arakawa (NEC), Kouki Iwamoto, Kazuki Nakamura (RTRI), Yukitoshi Sanada (Keio Univ.) RCS2020-129 |
For mobile communication between ground and vehicles on railways, voice channel and several Mbps data transmission by wi... [more] |
RCS2020-129 pp.104-109 |
NS |
2020-10-07 10:20 |
Online |
Online |
A priority control method in integrated information network for train operation Satoko Ryuo, Akio Hada, Izumi Kurita, Kazuki Nakamura, Kunihiro Kawasaki (RTRI) NS2020-56 |
[more] |
NS2020-56 pp.13-18 |
NS |
2020-10-07 14:05 |
Online |
Online |
[Invited Talk]
Research and Development of Information and Telecommunication Systems in Railway Kazuki Nakamura (RTRI) NS2020-61 |
In Japan, the railway communication systems have been introduced for safely operating trains since the opening of the ra... [more] |
NS2020-61 pp.35-40 |
SANE |
2020-08-28 15:10 |
Online |
Online |
[Special Talk]
Research and development on obstacle detection in railways Kazuki Nakamura (RTRI) SANE2020-25 |
[more] |
SANE2020-25 pp.25-28 |
SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-10 13:55 |
Online |
Online |
Field Trial of Millimeter Wave Local Network System based on RoF Technology in Railway Environment Hikaru Kawasaki, Kazuo Ibuka, Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT), Daiki Shibahara, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima, Shimpei Toyoda, Youichi Watanabe, Takashi Sugawara (JR-EAST), Shogo Ogawa, Daisuke Yamaguchi, Koki Iwamoto, Kazuki Nakamura (RTRI) RCS2020-75 |
For mobile vehicles like trains and automobiles, it is important for local operators to efficiently deploy linear cells ... [more] |
RCS2020-75 pp.99-104 |
RCS |
2020-04-23 10:35 |
Online |
Online |
Demonstration Experiment of Virtual Pre-Connection Scheme for Trains with Millimeter Wave Railway Linear Cell Kazuo Ibuka, Hikaru Kawasaki, Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT), Daiki Shibahara, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima (JR-EAST), Shogo Ogawa, Daisuke Yamaguchi, Koki Iwamoto, Kazuki Nakamura (RTRI) RCS2020-2 |
In the fifth generation mobile communication system (5G), the use of small cells in the super high frequency (SHF) band ... [more] |
RCS2020-2 pp.7-11 |
NS, IN (Joint) |
2020-03-05 09:50 |
Okinawa |
Royal Hotel Okinawa Zanpa-Misaki (Cancelled but technical report was issued) |
Throughput Performance Evaluation of SP-MAC based on the Synchronization Phenomena of Coupled Oscillators in Wireless Multi-hop Environment Considering Capture Effect Kazuki Nakamura, Yoshiki Miura, Hiroyasu Obata, Chisa Takano, Kenji Ishida (Hiroshima City Univ.) IN2019-78 |
In order to avoid data frame collisions, a media access control method based on synchronized phenomena of coupled oscill... [more] |
IN2019-78 pp.13-18 |
CPM |
2019-11-07 15:00 |
Fukui |
Fukui univ. |
Annealing effects on the properties of nitrogen doped DLC films Hiroya Osanai, Kazuki Nakamura, Haruto Koriyama, Yasuyuki Kobayashi, Yoshiharu Enta, Yushi Suzuki (Hirosaki Univ.), Maki Suemitsu (Tohoku Univ.), Hideki Nakazawa (Hirosaki Univ.) CPM2019-46 |
We have prepared nitrogen doped diamond-like carbon (N-DLC) films by plasma-enhanced chemical vapor deposition using H2 ... [more] |
CPM2019-46 pp.9-14 |
RCS |
2019-04-18 15:20 |
Hokkaido |
Noboribetsu Grand Hotel |
[Invited Lecture]
Field test of Railway Radiocommunication Systems between Train and Trackside with 100 GHz-band Millimeter-wave Kazuki Nakamura, Nagateru Iwasawa, Nariya Iwaki, Keiichi Takeuchi, Kunihiro Kawasaki (RTRI), Nobuhiko Shibagaki, Katsuya Yanatori, Yosuke Sato, Masato Fujii, Kenichi Kashima (Hitachi Kokusai), Atsushi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (NICT/Waseda Univ.) RCS2019-10 |
Recently, the broadband communications between train and trackside are required. Therefore, the authors are developing a... [more] |
RCS2019-10 p.45 |
MWP |
2018-11-26 14:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Utilization of Microwave Millimeter wave and Photonics Technology in Railway Kazuki Nakamura, Kunihiro Kawasaki (RTRI) MWP2018-43 |
In Japan, the railway communication systems have been introduced for safely operating trains since the opening of the ra... [more] |
MWP2018-43 pp.1-4 |
CPM, IEE-MAG |
2018-11-02 14:25 |
Niigata |
Machinaka campus Nagaoka |
Thermal stability of silicon and nitrogen doped DLC thin films Hideki Nakazawa, Kazuki Nakamura, Hiroya Osanai, Haruto Koriyama, Yasuyuki Kobayashi, Yoshiharu Enta, Yushi Suzuki (Hirosaki Univ.), Maki Suemitsu (Tohoku Univ.) CPM2018-52 |
We have investigated the effects of post-annealing on the properties of silicon and nitrogen doped diamond-like carbon (... [more] |
CPM2018-52 pp.99-104 |
CPM |
2018-08-09 14:30 |
Aomori |
Hirosaki Univ. |
Effects of nitrogen doping on the properties of Si-doped DLC films Kazuki Nakamura, Haruka Oohashi (Hirosaki Univ.), Tai Yokoyama, Kei-ichiro Tajima, Norihumi Endo, Maki Suemitsu (Tohoku Univ.), Yoshiharu Enta, Yasuyuki Kobayashi, Yushi Suzuki, Hideki Nakazawa (Hirosaki Univ.) CPM2018-8 |
We have investigated the effects of nitrogen (N) doping on the chemical bonding states and the electrical, optical, and ... [more] |
CPM2018-8 pp.1-6 |
SSS |
2018-06-20 13:35 |
Tokyo |
|
Development of Train Control System for Secondary Lines Natsuki Terada, Yuto Ono, Hideki Arai, Kazuki Nakamura (RTRI), Satoru Kishimoto, Muneyuki Harada, Masako Hisanaga (JR Kyushu), Kazuhiro Tanaka, Osamu Watanabe (Nippon Signal) SSS2018-8 |
We developed a new train control system for secondary line, based on position recognition function of ATS(Automatic Trai... [more] |
SSS2018-8 pp.5-8 |
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] |
2018-01-25 15:35 |
Hyogo |
|
[Invited Talk]
Utilization of the Radio over Fiber Technology in Railway Kazuki Nakamura, Kunihiro Kawasaki (RTRI) PN2017-77 EMT2017-114 OPE2017-155 LQE2017-137 EST2017-113 MWP2017-90 |
In the radio communication systems using railway, it is necessary to transmit information at the long distance from base... [more] |
PN2017-77 EMT2017-114 OPE2017-155 LQE2017-137 EST2017-113 MWP2017-90 pp.231-234 |
R |
2017-12-15 14:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Securement of safety in train control system in the case of sharing transmission device with non-safety related applications. Akihiro Gion, Kazuki Nakamura, Koji Iwata (RTRI) R2017-57 |
Up to now, a dedicated communication device has been used for data transmission of a train control system. However, due ... [more] |
R2017-57 pp.7-11 |
RCS, NS (Joint) |
2017-12-14 15:20 |
Hiroshima |
Aster Plaza |
[Invited Lecture]
Wi-SUN Monitoring System for Railway Facilities
-- Applied for Railway Earth Structure -- Michiko Nozue, Kazuki Nakamura, Satoko Ryuo, Nagateru Iwasawa, Nariya Iwaki, Tomoki Kawamura (RTRI), Yusuke Kinoshita (Mitsubishi Electric), Toru Kabe (ISB) NS2017-131 RCS2017-257 |
We have installed and evaluated the prototype of Wi-SUN-based condition monitoring system which we have developed for ra... [more] |
NS2017-131 RCS2017-257 pp.29-34(NS), pp.41-46(RCS) |
RCS |
2017-10-20 16:10 |
Miyagi |
Tohoku Institute of Technology |
Development of the ground-to-train communication system using 90GHz band Millimeter-wave Kazuki Nakamura, Kunihiro Kawasaki, Nagateru Iwasawa (RTRI), Nobuhiko Shibagaki, Yosuke Sato, Kenichi Kashima (Hitachi Kokusai) RCS2017-200 |
Recently, broadband communications such as the video transmission and Internet service are required between the ground a... [more] |
RCS2017-200 pp.177-180 |
RCS |
2017-10-20 16:50 |
Miyagi |
Tohoku Institute of Technology |
Propagation characteristics for viaduct and tunnel environments in 90 GHz band Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima, Hiroyo Ogawa (NICT), Kazuki Nakamura, Nagateru Iwasawa, Kouki Iwamoto, Kunihiro Kawasaki (RTRI), Nobuhiko Shibagaki (Hitachi Kokusai) RCS2017-202 |
[more] |
RCS2017-202 pp.187-192 |