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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP (2nd) |
2018-05-30 15:20 |
Overseas | The University of Da nang, University of Science and Technology | Current Rejection Characteristics of Coaxially Fed Antenna with Choke Structure Using Composite Right/Left-Handed Coaxial Line Takatsugu Fukushima, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Naoya Fujimoto (Hitachi Kokusai Electric) |
A coaxially fed antenna with a choke structure composed of a composite right/left-handed coaxial line (CRLH CL) has been... [more] | |
| SR | 2018-05-25 10:00 |
Tokyo | Tokyo big sight | [Technology Exhibit]
Development of Spectrum Usage Measurement System Prototype for Smart Spectrum Access
-- Prediction of Spectrum Occupancy -- Hiroki Iwata, Kenta Umebayashi, Ryo Sato, Kento Yamada, Kohei Okawa, Yoshiki Kasahara (TUAT), Janne Lehtomaki (Univ. of Oulu), Miguel Lopez-Benitez (Univ. of Liverpool)  SR2018-17 |
Smart spectrum access (SSA) can achieve a high-efficient spectrum sharing utilizing the prior information regarding spec... [more] | SR2018-17 pp.99-106 |
| RCS | 2018-04-24 11:15 |
Yamaguchi | Hotel New Tanaka, Yuda Onsen | 90GHz-band Linear Cell Radar System for Runway Surveillance System using Radio over Fiber Technology (I)
-- Advanced Wireless System with Radio over fiber and Millimeter-wave Technology- -- Nobuhiko Shibagaki, Yosuke Sato, Kennichi Kashima (Hitachi Kokusai) RCS2018-19 |
[more] | RCS2018-19 pp.97-102 |
| AP | 2018-04-20 10:55 |
Tokyo | Hachijomachi-Shokokai | Planar Sleeve Antenna Composed of Right/Left-Handed Transmission Line Takatsugu Fukushima, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Naoya Fujimoto (Hitachi Kokusai Electric) AP2018-7 |
A choke structure is necessary to reduce the leakage current of a sleeve antenna, however, the size of the antenna becom... [more] | AP2018-7 pp.33-36 |
| AP | 2018-03-08 13:45 |
Gunma | Hotel Ichii (Kusatsu, Gunma) | Sleeve Antenna Composed of Two Different Configuration of Right/Left-Handed Coaxial Lines Takatsugu Fukushima, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Naoya Fujimoto (Hitachi Kokusai Electric) AP2017-191 |
A small sleeve antenna composed of right/left-handed Coaxial lines (CRLH CLs) is proposed and of which characteristics a... [more] | AP2017-191 pp.1-4 |
| RCS, SR, SRW (Joint) |
2018-03-02 10:50 |
Kanagawa | YRP | Spectrum usage model for Smart Spectrum Access Kento Yamada, Kenta Umebayashi (TUAT), Janne Lehtomaki, Shashika Manosha Kapuruhamy Badalge (Univ. of Oulu) SR2017-133 |
In a smart spectrum access, the statistical information in terms of spectrum usage can enhance a spectrum sharing dramat... [more] | SR2017-133 pp.109-116 |
| RCS, SR, SRW (Joint) |
2018-03-02 16:55 |
Kanagawa | YRP | Development of the small-sized radio equipment for multihop relay VHF band broadband mobile communication systems Kei Yanagisawa, Kiyoshi Yamamoto, Tatsuya Abe, Masayuki Ishizaki, Shota Tobinaga, Nobuto Toguchi, Junya Dosaka, Masahiro Asano, Kazue Kato (Kokusai) RCS2017-404 |
The radio equipment for conventional VHF broadband mobile communication systems needed a plural radio equipment per 1 ba... [more] | RCS2017-404 pp.475-480 |
| SR | 2018-01-26 09:30 |
Fukuoka | Fukuoka univ. | A study on parameter setting of Welch FFT-Energy Detection in Spectrum Measurement Yoshitaka Tamaki, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology), Janne Lehtomaki (Univ. of Oulu), Miguel Lopez-Benitez (Univ. of Liverpool) SR2017-100 |
Dynamic Spectrum Access (DSA) can be enhanced by statistical information of actual spectrum usage. The information is av... [more] | SR2017-100 pp.35-42 |
| RCS | 2017-10-19 09:20 |
Miyagi | Tohoku Institute of Technology | Antenna spacing control for adaptive array antenna based on weight and antenna spacing control Yoshimasa Kimoto, Kenta Umebayashi (TUAT), Antti Tolli (Univ. of Oulu) RCS2017-169 |
[more] | RCS2017-169 pp.7-12 |
| 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 |
| 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 |
|
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-20 15:50 |
Aichi | A Study on Design of Non-uniform Linear Antenna Array based on Antenna Selection Yoshinobu Makino, Kenta Umebayashi (TUAT), Antti Tolli (Univ. of Oulu) RCS2016-99 |
In interference suppression based on beamforming with array antenna, the possible number of interference waves to be sup... [more] | RCS2016-99 pp.29-34 |
|
| 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, RCC, MICT, RCS, SRW (Joint) (2nd) |
2016-05-16 - 2016-05-17 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Requested Talk] Nokia vision on 5G Jari Hulkkonen (Nokia), Olli Liinamaa (Nokia and Univ. of Oulu) |
5G is the new generation of radio systems and network architecture delivering extreme broadband and ultra robust, low la... [more] | |
| SR, SRW (Joint) |
2016-05-16 14:30 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Poster Presentation]
A study on FFT-ED based signal area estimation for spectrum awareness Riki Mizuchi, Kenta Umebayashi (TUAT), Janne Lehtomaki (Univ. of Oulu), Miguel Lopez-Benitez (Univ. of Liverpool) SR2016-9 SRW2016-9 |
For achieving 2-layer smart spectrum access (SSA) which corresponds to feasible strategy of DSA, a development of spectr... [more] | SR2016-9 SRW2016-9 pp.27-34 |
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