Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SANE |
2024-01-18 11:30 |
Miyagi |
(Primary: On-site, Secondary: Online) |
Drone Flight Guidance Method Using Millimeter Wave Radar Tatsuya Iizuka (NTT), Takuya Sasatani (UT), Naoko Kosaka, Naoto Endo, Hiroshi Matsubara, Masaki Hisada (NTT), Yoshihiro Kawahara (UT) SANE2023-92 |
Drones are used in a variety of fields, including logistics and environmental measurement.
In particular, drones are us... [more] |
SANE2023-92 pp.16-21 |
WIT |
2014-12-11 10:10 |
Tokyo |
AIST Tokyo Waterfront |
A software development for the storytelling assist system on picture books by the visually impaired Hiroshi Matsuba, Masahiko Sato, Kentaro Tani, Yoshinobu Maeda (Niigata Univ.) WIT2014-55 |
[more] |
WIT2014-55 pp.11-16 |
SP, WIT |
2013-06-13 11:00 |
Niigata |
|
Experimental Evaluation of a Speech-Output Type Entertainment Game Hiroshi Matsuba, Kentaro Tani (Niigata Univ), Nao Ito (Toyama National College of Technology), Yoshinobu Maeda (Niigata Univ), Takuya Niikawa (Osaka Electro-Communication Univ) SP2013-32 WIT2013-2 |
Amusement-environment of the disabled persons becomes important to improve their stress. So far, we have developed a ga... [more] |
SP2013-32 WIT2013-2 pp.7-12 |
OFT, OPE, OCS (Joint) [detail] |
2013-03-01 16:15 |
Tokyo |
|
New Tracking Method of Free-Space Laser Beam for Train-to-Ground Communication system using High-Speed Image Sensor Eito Nakamura, Shinichiro Haruyama, Tomoaki Ohtsuki (Keio Univ), Hiroshi Matsubara (RTRI) OCS2012-114 OPE2012-208 |
Services of high-speed communication for passengers in a train are spreading recently. However, existing technologies of... [more] |
OCS2012-114 OPE2012-208 pp.93-98(OCS), pp.113-118(OPE) |
OPE, MW, MWP, EMT, EST, IEE-EMT [detail] |
2011-07-21 14:45 |
Hokkaido |
|
[Invited Talk]
Overview of the Radio communication systems in Railway Systems and an Outlool for the Future Development of Broadband Wireless Communication System for Railways Kunihiro Kawasaki, Hiroshi Matsubara, Kazuki Nakamura (RTRI) |
[more] |
|
RCS, MoNA, SR (Joint) |
2011-03-04 15:50 |
Kanagawa |
YRP |
Fast Handover Method of Free-Space Optical Communication for Trains Based on PSD Sensor Min He, Shinichiro Haruyama, Tomoaki Ohtsuki (Keio Univ.), Hiroshi Matsubara (RTRI) RCS2010-297 |
Recently, as a step of realizing ubiquitous society, high speed communication system between train and ground has been d... [more] |
RCS2010-297 pp.283-288 |
OCS, OFT (Joint) |
2010-08-26 16:30 |
Hokkaido |
Asahikawa Tokiwa Shimin Hall |
A Study on Margin Design of Optical Wireless Train Communication System Based on Results of Rain and Glass Attenuation Experiments Min He, Shinichiro Haruyama, Masao Nakagawa, Tomoaki Ohtsuki, Hideki Urabe (Keio Univ.), Hiroshi Matsubara (RTRI) OCS2010-41 |
Recently, high speed communication system between train and ground has been developed. However, the data rate still cann... [more] |
OCS2010-41 pp.31-36 |
CS, OCS (Joint) |
2010-01-28 17:25 |
Yamaguchi |
Kaikyo Messe Shimonoseki |
A Study on High-Speed Tracking in Optical Wireless Train Communication System Shoichi Ishikawa, Masato Hiruta, Masao Nakagawa, Hideki Urabe, Shinichiro Haruyama (Keio Univ.), Hiroshi Matsubara (RTRI) OCS2009-109 |
A rising demand of the broadband communication in train needs more faster data communication method than wireless LAN. W... [more] |
OCS2009-109 pp.55-60 |
OFT, OCS, IEE-CMN, ITE-BCT (Joint) [detail] |
2009-11-26 16:00 |
Fukushima |
|
A Study on Optical Wireless Train Communication System using Biaxial Control Mirror Actuator Masato Hiruta, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.), Norio Shibata (Freelance), Hiroshi Matsubara (RTRI), Hideki Urabe, Syoichi Ishikawa (Keio Univ.) OCS2009-88 |
In recent years, for the realization of the ubiquitous society,
the information infrastructure development has been inc... [more] |
OCS2009-88 pp.33-38 |
MW, EMCJ |
2008-10-23 16:20 |
Yamagata |
Yamagata Univ. |
Analysis and experiment on efficiency enhancement of a GaN HEMT power amplifier using 2nd harmonic injection Hiroshi Matsubara (Hokkaido Univ.), Fumitake Kawanabe (Hitachi Kokusai Electric Inc.), Toshio Nojima (Hokkaido Univ.) EMCJ2008-66 MW2008-110 |
[more] |
EMCJ2008-66 MW2008-110 pp.41-46 |
EMCJ, MW |
2007-10-25 13:55 |
Miyagi |
Tohoku University |
Wide-band analog predistortion for UHF amplifiers
-- Compensation of IM in a Terrestrial Digital Broadcasting MCPA -- Ryota Iwai, Hiroshi Matsubara, Toshio Nojima (Hokkaido Univ.) EMCJ2007-60 MW2007-107 |
A novel wide-band linearization technique for Terrestrial Digital Broadcasting multi-channel power amplifiers (MCPA) is ... [more] |
EMCJ2007-60 MW2007-107 pp.41-46 |
MW |
2007-05-22 11:40 |
Hyogo |
University of Hyogo |
Simultaneous 3rd-and-5th-Order Intermodulation Compensation of a 2 GHz Band Power Amplifier by Using Cuber Predistortion and 2nd Harmonics Injection Hiroshi Matsubara (Hokkaido Univ.), Kazuhiro Ishihara, Norihisa Miyadai (Nihon Dengyo Kosaku), Toshio Nojima (Hokkaido Univ.) MW2007-25 |
A new linearization technique is proposed that compensates for 3rd-and-5th-order intermodulation distortion (IM3 and IM5... [more] |
MW2007-25 pp.73-77 |
MW, SCE |
2007-04-27 11:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Wide dynamic range nonlinear distortion measurement of High-Temperature Superconducting microwave devices Masato Furuno, Shunichi Futatsumori, Hiroshi Matsubara, Takashi Hikage, Toshio Nojima (Hokkaido Univ.), Akihiko Akasegawa, Teru Nakanishi, Kazunori Yamanaka (Fujitsu Ltd.) SCE2007-6 MW2007-6 |
Measurement and analytical methods for nonlinear characteristics of HTS microwave devices are investigated. Firstly, com... [more] |
SCE2007-6 MW2007-6 pp.27-30 |
EMCJ, MW |
2006-10-26 13:50 |
Aomori |
Hachinohe Institute of Technology |
A 2GHz Bnad Basic Experiment of Digital Predistortion Using Even Order Distortion Generators Kenichi Wakasugi, Hiroshi Matsubara, Ryota Iwai, Toshio Nojima (Hokkaido Univ.) EMCJ2006-58 MW2006-114 |
A digital predistortion method using even order distortion generators for microwave amplifier is proposed. This method r... [more] |
EMCJ2006-58 MW2006-114 pp.43-46 |
EMCJ, MW |
2006-10-26 14:30 |
Aomori |
Hachinohe Institute of Technology |
Linearization of a Microwave Class-F Amplifier Using an Analog Predistortion Circuit Hiroshi Matsubara (Hokkaido Univ.), Norihisa Miyadai (Nihon Dengyo Kosaku), Toshio Nojima (Hokkaido Univ.) EMCJ2006-59 MW2006-115 |
The class-F amplifier operation mode enables a high efficiency power performance even at microwave frequencies. However,... [more] |
EMCJ2006-59 MW2006-115 pp.47-52 |
MW |
2005-05-20 11:10 |
Shiga |
|
Fundamental circuit design for a high efficiency power amplifier of IMT-2000 booster repeater linearized by the self-adjusting cuber predistortion Hiroshi Matsubara (Hokkaido Univ.), Kazuhiro Ishihara (Nihon Dengyo Kosaku), Toshio Nojima (Hokkaido Univ.) |
In oreder to achieve low power consumption and consequent downsizing, it is effective for booster repeater of mobile com... [more] |
MW2005-26 pp.13-17 |