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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) |
2018-03-02 17:35 |
Kanagawa | YRP | Multihop relay field experiment using the VHF band broadband mobile communication system Masayuki Ishizaki, Kei Yanagisawa, Tatsuya Abe, Kiyoshi Yamamoto, Katsunori Ikeda, Yusuke Takahashi, Ryutaro Togashi, Junya Dosaka, Takamitsu Higano, Masahiro Asano, Kazue Kato (Kokusai), Hiroshi Harada, Takeshi Matsumura, Keiichi Mizutani, Takuya Habara (Kyoto univ.)  RCS2017-406 |
[more] | RCS2017-406 pp.487-492 |
| 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 |
| RCS | 2017-10-20 17:10 |
Miyagi | Tohoku Institute of Technology | Wireless Systems using Radio over Fiber Technology and 90GHz-band millimeter wave Nobuhiko Shibagaki, Yosuke Sato, Katsuya Yanatori, Ryoki Haramoto, Kennichi Kashima (Hitachi Kokusai) RCS2017-203 |
[more] | RCS2017-203 pp.193-198 |
| PEM (2nd) |
2017-09-04 14:55 |
Miyagi | Tohoku Univ. | [Invited Talk]
Evaluation for Radar Cross Section of Runway Lights Using 90GHz-band Linear Cell Radar System
-- Advanced Wireless System with Radio over fiber and millimeter-wave Technology -- Nobuhiko Shibagaki, Yousuke Sato, Kenichi Kashima (Hitachi Kokusai) |
[more] | |
| MWP | 2017-05-11 13:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
VHF-band Broadband Fixed Wireless systems to Resolve Digital Divides Masahiro Asano, Jyunya Dosaka, Kenichi Kashima, Nobuhiko Shibagaki, Kazue Kato (Hitachi Kokusai) MWP2017-2 |
[more] | MWP2017-2 pp.7-11 |
| RCS | 2017-04-24 14:25 |
Kagawa | Kotohira Onsen Kotosankaku | [Invited Lecture]
W-Band Next Generation Railway Radiocommunication System for High-Speed Train and Their International Standardization Activities
-- Advanced Wireless System with Radio over fiber and millimeter-wave Technology -- Nobuhiko Shibagaki, Yousuke Sato, Kyosuke Ishikawa, Kennichi Kashima (Hitachi Kokusai) RCS2017-10 |
[more] | RCS2017-10 pp.45-50 |
| OPE, MW, EMT, MWP, EST, IEE-EMT [detail] | 2016-07-21 11:35 |
Hokkaido | [Invited Talk]
10GbE Data Connectivity over a Converged Radio-over-Fiber and Millimeter-wave Links Abdelmoula Bekkali, Takashi Kobayashi, Kosuke Nishimura (KDDI Labs.), Nobuhiko Shibagaki (Hitachi Ltd.), Kenichi Kashima, Yosuke Sato (Hitachi Kokusai Electric) EMT2016-9 MW2016-40 OPE2016-21 EST2016-10 MWP2016-11 |
[more] | EMT2016-9 MW2016-40 OPE2016-21 EST2016-10 MWP2016-11 pp.19-23 |
|
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-20 15:25 |
Aichi | Studies on Intersystem Cooperation for Smart Radio Keigo Hasegawa, Masahiro Asano, Manabu Nakamura (Hitachi Kokusai Electric) SR2016-32 |
Smart radio is a technology similar to cognitive radio which can efficiently utilize limited radio resource and satisfy ... [more] | SR2016-32 pp.23-27 |
|
| AP, SAT, SANE (Joint) |
2016-07-21 14:25 |
Hokkaido | Otaru port marina | Sleeve Antenna with Left-handed Choke Structure Takatsugu Fukushima, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Naoya Fujimoto (Hitachi Kokusai Electric) AP2016-50 |
In this paper, the composite right/left-handed (CRLH) transmission line has been applied to a choke structure of the sle... [more] | AP2016-50 pp.79-82 |
| SR, SRW (Joint) (2nd) |
2015-10-27 09:30 |
Tokyo | KKE | [Poster Presentation]
Achieving Cooperation in Inter-operator Infrastructure Sharing Keigo Hasegawa (Hitachi Kokusai Electric/Univ. of Oulu), Zaheer Khan (Univ. of Oulu), Kenta Umebayashi (TUAT), Alhussein Abouzeid (RPI/Univ. of Oulu), Matti Latva-aho (Univ. of Oulu) |
Infrastructure sharing is considered a potential cost-effective solution for solving the overflow demand problem in cell... [more] | |
| RCS | 2015-06-24 13:20 |
Hokkaido | Hokkaido Univ. | Multihop relay field experiment using the VHF band broadband mobile communication system in rural area Kei Yanagisawa, Tatsuya Abe, Yoshihiro Kawashima, Kiyoshi Yamamoto, Masayuki Takekawa, Masayuki Ishizaki, Tomohiro Nozaki, Junya Dosaka, Masahiro Asano, Kazue Kato (Hitachi Kokusai), Hiroshi Harada, Keiichi Mizutani (Kyoto Univ.) RCS2015-48 |
This paper describes results of relay connection test using a single frequency channel relay system in NLoS (Non-Line-of... [more] | RCS2015-48 pp.13-18 |
| RCS, IN (Joint) |
2015-05-22 15:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Field experiments of VHF-band broadband mobile communication system in rural area Hiroshi Harada, Keiichi Mizutani (Kyoto Univ.), Masayuki Takekawa, Kei Yanagisawa (HiKE) RCS2015-45 |
[more] | RCS2015-45 pp.119-124 |
| AP | 2015-02-20 10:25 |
Hyogo | Chusho-kigyou center at Amagasaki-City | [Invited Lecture]
Field experiments of broadband communication using VHF band TV white space in Indonesia Keigo Hasegawa, Tatsuya Abe, Kanta Sakamaoto, Yoshihiro Kawashima, Keat-Beng Toh, Kei Yanagisawa, Masayuki Takekawa, Junya Dosaka, Masahiro Asano (Hitachi Kokusai Electric) AP2014-200 |
This paper describes field experiments of broadband communication using VHF (Very High Frequency) band TV (Television) w... [more] | AP2014-200 pp.75-80 |
| SSS | 2014-03-13 15:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg | HOW to catch Medical Commonplace must-be Quality Hirotaka Shimizu (Hitachi Kokusai Electric) SSS2013-37 |
When we analyze medical accidents, we can find common ill factors from medical work-flow parts. Systematic management pr... [more] | SSS2013-37 pp.13-16 |
| RCS, SR, SRW (Joint) |
2014-03-04 09:40 |
Tokyo | Waseda Univ. | Field Experiment of Long-distance Broadband Communications in TV White Space Kentaro Ishizu (NICT), Keigo Hasegawa (Hitachi Kokusai Electric), Keiichi Mizutani, Hirokazu Sawada (NICT), Kei Yanagisawa, Keat-Beng Toh, Masayuki Takekawa, Seishi Sasaki, Masahiro Asano (Hitachi Kokusai Electric), Homare Murakami, Hiroshi Harada (NICT) SR2013-105 |
[more] | SR2013-105 pp.61-68 |
| SR | 2013-10-24 13:00 |
Osaka | Osaka Univ. | [Technology Exhibit]
White Space Communication Network with IEEE 802.11af/IEEE 802.22 Capable of Primary User Protection and Secondary User Coexistence Kentaro Ishizu (NICT), Keigo Hasegawa, Masayuki Takekawa (Hitachi Kokusai Electric), Keiichi Mizutani, Zhou Lan, Ha Nguyen Tran, Stanislav Filin, Takeshi Matsumura (NICT), Kei Yanagisawa, Keat-Beng Toh (Hitachi Kokusai Electric), Homare Murakami (NICT), Seishi Sasaki, Masahiro Asano (Hitachi Kokusai Electric), Hiroshi Harada (NICT) SR2013-58 |
[more] | SR2013-58 pp.21-28 |
| MW, AP (Joint) |
2013-09-13 15:00 |
Tokyo | NHK Science Tech. Research Lab. | Prototype Development of IEEE 802.22 Radio Transmission Equipment Keigo Hasegawa, Masayuki Takekawa, Kei Yanagisawa, Keat-Beng Toh, Seishi Sasaki, Masahiro Asano (Hitachi Kokusai Electric) MW2013-96 |
White space utilization in TV band has drawn much attention in many countries as one of the solutions to solve the frequ... [more] | MW2013-96 pp.47-52 |
| AP, MW (Joint) |
2012-09-27 13:00 |
Saitama | KDDI R&D LABS | The overseas propagation characteristic of the 5-GHz space diversity which has arranged the antenna to negative correlation Kanemi Sasaki, Hiroyuki Murakami, Shinya Kobayashi, Kenya Tomaru (Hitachi Kokusai Electric) AP2012-85 |
In this report, as a method being suitable for long-range oversea propagation, we propose a configuration method of spac... [more] | AP2012-85 pp.19-24 |
| IN, NV (Joint) |
2011-07-21 11:05 |
Hokkaido | Hokkaido University | A Anycast Routing Protocol Design and Implementation in the IPv6 Network Mu Yuan (Hiroshima Kokusai Gakuin Univ.), Guanghe Cui (Aki Information System), Yue Zhao (Hiroshima Institute of Tech.), Noriaki Minami (Hiroshima Kokusai Gakuin Univ.) IN2011-46 |
In this paper, we used PIA-SM method and CBT method triggered Anycast Server search's analysis to propose a method of se... [more] | IN2011-46 pp.5-9 |
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