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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SAT (Joint) |
2010-07-22 13:25 |
Hokkaido | Kitami Inst. Tech. | Experimental study of electrical performance of large reflector antenna using REV method equipped on Engineering Test Satellite VIII Teruaki Orikasa, Masaki Satoh, Kazuyoshi Kawasaki, Yoshiyuki Fujino, Amane Miura (NICT)  AP2010-55 SAT2010-16 |
ETS-VIII was launched at December 2006. Many communication technologies are experimented and evaluated the performances.... [more] | AP2010-55 SAT2010-16 pp.99-104(AP), pp.31-36(SAT) |
| AP, SAT (Joint) |
2010-07-22 13:50 |
Hokkaido | Kitami Inst. Tech. | On Interference Level in Satellite Uplink for Satellite/Terrestrial Integrated Mobile Communication System
-- Evaluation by Using Interference Model from Terrestrial Link for Satellite/Terrestrial Integrated Mobile Communication System Using Population Distribution and Propagation Environment -- Amane Miura, Hiroshi Watanabe, Naokazu Hamamoto, Hiroyuki Tsuji, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) AP2010-56 SAT2010-17 |
[more] | AP2010-56 SAT2010-17 pp.105-110(AP), pp.37-42(SAT) |
| AP | 2010-06-10 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An Experiment of Mobile Phone Transmission Power for Interference Estimation of Satellite/Terrestrial Integrated Mobile Communication System Hiroshi Watanabe, Amane Miura, Naokazu Hamamoto, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) AP2010-35 |
The National Institute of Information and Communications Technology (NICT) has been studying "Satellite/Terrestrial Inte... [more] | AP2010-35 pp.19-24 |
| SAT, SANE (Joint) |
2010-02-26 11:10 |
Tokyo | NICT-Honbu | A study of array feed design with large reflector Takaomi Matsuzaki, Katsunori Hirayama, Yasuhiko Yamasa (NEC TOSHIBA Space Systems, Ltd), Yoichi Koishi (NEC Corp.), Yoshiyuki Fujino, Amane Miura, Naokazu Hamamoto, Ryutaro Suzuki (NICT) SAT2009-56 |
Satllite communication using handy terminal have been operated. This paper describes the array feed design of this antte... [more] | SAT2009-56 pp.13-18 |
| SAT, SANE (Joint) |
2010-02-26 11:30 |
Tokyo | NICT-Honbu | Beam direction variation of large deployable reflector antenna on the satellite orbit Masaki Satoh, Teruaki Orikasa, Yoshiyuki Fujino, Kazuyoshi Kawasaki, Shinichi Yamamoto, Amane Miura, Shinichi Taira (NICT) SAT2009-57 |
[more] | SAT2009-57 pp.19-24 |
| SAT, SANE (Joint) |
2010-02-26 15:20 |
Tokyo | NICT-Honbu | Tradeoff Study on Array-Fed Reflector Antennas for 100-Beam-Class Multibeam Communication Satellite Yoshiyuki Fujino, Naokazu Hamamoto, Amane Miura, Ryutaro Suzuki (NICT), Shin-ichi Yamamoto, Yoshio Inasawa, Izuru Naito, Yoshihiko Konishi, Naoyuki Natori (Mitsubishi Electric Corporation) SAT2009-59 |
Mobile satellite communications systems using 100-beam-class multibeam on-board antenna have been proposed and some of t... [more] | SAT2009-59 pp.31-35 |
| SAT, SANE (Joint) |
2010-02-26 15:40 |
Tokyo | NICT-Honbu | On Interference Level in Satellite Uplink for Satellite/Terrestrial Integrated Mobile Communication System
-- Basic Analysis for Sharing Same Frequency between Multibeam Satellite and Terrestrial Communications Links -- Amane Miura, Hiroshi Watanabe, Naokazu Hamamoto, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) SAT2009-60 |
[more] | SAT2009-60 pp.37-42 |
| SAT | 2009-10-29 16:10 |
Nara | Nara Prefectural New Public Hall | Research and Development on Satellite/Terrestrial Integrated Mobile Communication System for Secured and Safe Society. Yoshiyuki Fujino, Amane Miura, Hiroyuki Tsuji, Hiroshi Watanabe, Naokazu Hamamoto, Ryutaro Suzuki (NICT) SAT2009-28 |
[more] | SAT2009-28 pp.59-61 |
| SANE | 2009-08-28 16:50 |
Kanagawa | JAXA Sagamihara campus | A Study on low Sidelobe Multi-beam Generation for Mobile Communication Satellite Antennas Naokazu Hamamoto, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) SANE2009-63 |
A satellite antenna equipped with a large-scale reflector and a phased-array feeder is indispensable in making multi-bea... [more] | SANE2009-63 pp.59-64 |
| AP, SAT (Joint) |
2009-07-10 13:25 |
Hokkaido | Otaru city, Hokkaido | Interference Measurement Experimentation of Mobile Base Stations Using an Aircraft in Satellite-Terrestrial Integrated Mobile Communication Systems Hiroyuki Tsuji, Yoshiyuki Fujino, Naokazu Hamamoto, Ryutaro Suzuki (NICT) AP2009-70 |
The National Institute of Information and Communications Technology (NICT) has been studying a new mobile communication ... [more] | AP2009-70 pp.153-158 |
| AP | 2009-02-12 14:15 |
Tokyo | Tokyo University of Agriculture and Technology | Low Profile Feed For Wide Scan Flat Plate Reflector Antennas
-- potential alternative 45GHz antennas for civilian airliners -- Derek Gray, Hiroyuki Tsuji, Yoshiyuki Fujino (NICT) AP2008-198 |
[more] | AP2008-198 pp.55-60 |
| RCS, SAT (Joint) |
2008-12-18 16:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Talk]
Satellite/Terrestrial Integrated mobile Communication System Yoshiyuki Fujino, Naokazu Hamamoto, Tadashi Minowa, Ryutaro Suzuki, Masato Tanaka (NICT) SAT2008-55 |
[more] | SAT2008-55 pp.13-16 |
| SAT | 2008-11-07 17:20 |
Overseas | Riviera Hotel Pusan | A study of the mobile satellite communication using large reflector
-- communication capacity analysis using on board beam reconfiguration -- Yoshiyuki Fujino, Masato Tanaka, Naokazu Hamamoto (NICT), Yoichi Koishi, Yoshiaki Suzuki (NEC) SAT2008-52 |
The future mobile satellite system communication aiming at communications to small and low price mobile could be perfect... [more] | SAT2008-52 pp.229-234 |
| AP | 2008-09-11 11:10 |
Kanagawa | National Defense Academy | Simulation Analysis Using Finite Element Method and Experiment for Frequency Response of Permeability of Radio Wave Shutter Kyoichi Iigusa, Hiroshi Harada, Yoshiyuki Fujino (NICT) AP2008-79 |
[more] | AP2008-79 pp.25-30 |
| OPE, EMT, MW | 2008-07-24 10:50 |
Hokkaido | [Invited Talk]
Experimental study of millimeter-wave optically controlled array antenna sharing optical phase shifters for transmission and reception Wataru Chujo (Meijo Univ.), Wataru Ohuchi (Ibaraki Univ.), Yoshiyuki Fujino (NICT), Yahei Koyamada (Ibaraki Univ.) MW2008-51 OPE2008-34 |
We have carried out the experiments of WDM-based optically controlled array antenna with wideband true-time-delay charac... [more] | MW2008-51 OPE2008-34 pp.25-30 |
|
| OPE, EMT, MW | 2008-07-24 11:25 |
Hokkaido | [Invited Talk]
Fundamental experiment of optical phased array antenna for satellite communication using optical switch Yoshiyuki Fujino, Masaki Satoh, Masato Tanaka, Shinichi Taira (NICT), Noriaki Obara (Robotista), Ryuichi Iwamoto (NTT Electronics) MW2008-52 OPE2008-35 |
Onboard antennas are being enlarged as satellites are being enlarged. The weight of the feedline that sends the signal t... [more] | MW2008-52 OPE2008-35 pp.31-36 |
|
| AP | 2008-04-17 13:50 |
Osaka | Osaka Electro-Communication University | Experimental evaluation of 20-40 GHz true-time-delay characteristics for receiving optically controlled multibeam array antenna Wataru Chujo (Meijo Univ.), Wataru Ohuchi (Ibaraki Univ.), Yoshiyuki Fujino (NICT), Yahei Koyamada (Ibaraki Univ.) AP2008-6 |
In addition to the experiments of WDM-based optically controlled transmitting array antenna we have ever studied, optica... [more] | AP2008-6 pp.29-32 |
| OPE, OFT | 2008-03-07 15:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Experimental study on applicability of optical fiber to optically controlled array antenna Wataru Chujo (NICT), Wataru Ohuchi (Ibaraki Univ.), Yoshiyuki Fujino (NICT), Yahei Koyamada (Ibaraki Univ.) OFT2007-72 OPE2007-191 |
Research of optically controlled, microwave/millimeter-wave phased array antenna consists of optical feed circuit is cur... [more] | OFT2007-72 OPE2007-191 pp.57-60 |
| SANE, SAT (Joint) |
2008-02-28 14:55 |
Ibaraki | Kashima Space Research Center (NICT) | Experimental Study of millimeter-wave optically controlled array antenna sharing with Ku- and Ka-band frequencies Wataru Chujo (NICT), Wataru Ohuchi (Ibaraki Univ.), Yoshiyuki Fujino (NICT), Yahei Koyamada (Ibaraki Univ.) SAT2007-62 |
Research of millimeter-wave satellite communications is currently under development to realize broadband satellite commu... [more] | SAT2007-62 pp.7-10 |
| AP | 2008-02-07 10:55 |
Tokyo | NHK | Experimental study of beam pointing accuracy of WDM based optically controlled array antenna Wataru Chujo (NICT), Wataru Ohuchi (Ibaraki Univ.), Yoshiyuki Fujino (NICT), Yahei Koyamada (Ibaraki Univ.) AP2007-164 |
WDM-based optically controlled array antenna with wideband true-time-delay characteristics is currently under developmen... [more] | AP2007-164 pp.7-10 |
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