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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SANE | 2010-10-27 18:00 |
Overseas | Ramada Hotel, Jeju-do, Korea | Measurement Experiment of Interference From Mobile Terminals and Base Stations Using an Airship Hiroyuki Tsuji, Amane Miura, Yoshiyuki Fujino, Naokazu Hamamoto, Ryutaro Suzuki (NICT)  SANE2010-89 |
The interference from terrestrial base-stations or mobile terminals to satellite systems is one of the important issues ... [more] | SANE2010-89 pp.123-127 |
| AP, MW (Joint) |
2010-09-09 14:55 |
Tokyo | Tokyo Inst. tech. | A Fundamental Experiment of Outdoor/Indoor Propagation for Interference Estimation in Satellite/Terrestrial Integrated Mobile Communication System
-- Evaluation Using Cellular Phone and Pseudo Satellite -- Amane Miura, Hiroshi Watanabe, Naokazu Hamamoto, Hiroyuki Tsuji, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) AP2010-70 |
[more] | AP2010-70 pp.17-22 |
| SAT, RCS (Joint) |
2010-08-27 10:50 |
Kagoshima | Kagoshima Univ. | Excitation Condition of Array-Fed Reflector Antennas for 100-Beam-Class Multibeam Communications Satellite Yoshiyuki Fujino, Naokazu Hamamoto, Amane Miura, Teruaki Orikasa, Ryutaro Suzuki (NICT), Shin-ichi Yamamoto, Yoshio Inasawa, Izuru Naito, Masahiko Funada, Naoyuki Natori (Mitsubishi Electric Corp.) SAT2010-36 |
Mobile satellite communications systems using 100-beam-class multibeam on-board antenna have been proposed and some of t... [more] | SAT2010-36 pp.41-46 |
| SAT, RCS (Joint) |
2010-08-27 15:10 |
Kagoshima | Kagoshima Univ. | Demonstration of Real-time Communications via Wideband Internetworking Engineering Test and Demonstration Satellite "KIZUNA"(WINDS) with Wireless Mesh Networks for Disaster Areas Yoshihisa Kondo (ATR), Ryutaro Suzuki, Naoko Yoshimura, Takehiro Terada (NICT), Shinji Yamaguchi (ATR), Hiroyuki Yomo (Kansai Univ.), Ryu Miura, Sadao Obana (ATR) SAT2010-41 |
The Wideband InterNetworking engineering test and Demonstration Satellite “KIZUNA” (WINDS) provides broadband Internet c... [more] | SAT2010-41 pp.69-74 |
| EMT, OPE, MW, IEE-EMT [detail] | 2010-07-29 09:45 |
Hokkaido | Hokkaido Univ. | Research and Development of Scanning Variable Spot Beam Antenna Using Optically Controlled Beam Forming Network
-- Adaptive Satellite Communications System to improve Ka-band Availability -- Akira Akaishi, Ryutaro Suzuki, Yoshiyuki Fujino, Yozo Shoji (NICT), Tomohiro Akiyama, Takehito Iguchi (Mitsubishi Electric Corp.) MW2010-38 OPE2010-23 |
For the improvement of the communications operating ratio due to the Ka-band rain attenuation， we propose an adaptive sa... [more] | MW2010-38 OPE2010-23 pp.7-12 |
| EMT, OPE, MW, IEE-EMT [detail] | 2010-07-29 10:10 |
Hokkaido | Hokkaido Univ. | Multiple-Beam Optically Controlled Beamformer Using Spatial Light Modulators Tomohiro Akiyama, Hirofumi Matsuzawa, Hideo Sumiyoshi, Takehito Iguchi (Mitsubishi Electric Corp.), Yozo Shoji, Akira Akaishi, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) MW2010-39 OPE2010-24 |
We propose an optically controlled multiple-beam phased array antenna employing spatial light modulators. We have devel... [more] |
MW2010-39 OPE2010-24 pp.13-18 |
| AP, SAT (Joint) |
2010-07-22 09:25 |
Hokkaido | Kitami Inst. Tech. | Research and Development of Scanning Variable Spot Beam Antenna for Adaptive Satellite Communications
-- Adaptive Communications System to improve Ka-band operating ratio -- Akira Akaishi, Ryutaro Suzuki, Yoshiyuki Fujino, Yozo Shoji (NICT), Hideo Sumiyoshi, Hirofumi Matsuzawa (Mitsubishi Electric Corp.) SAT2010-12 |
For the improvement of the communications operating ratio due to the Ka-band rain attenuation， we propose an adaptive sa... [more] | SAT2010-12 pp.7-12 |
| AP, SAT (Joint) |
2010-07-22 09:50 |
Hokkaido | Kitami Inst. Tech. | Development of Optically Controlled Beam Forming Network for Variable Spot Scanning Antenna Hirofumi Matsuzawa, Tomohiro Akiyama, Hideo Sumiyoshi, Takehito Iguchi, Masateru Nagase (Mitsubishi Electric Corp.), Yozo Shoji, Yoshiyuki Fujino, Akira Akaishi, Ryutaro Suzuki (NICT) SAT2010-13 |
We proposed and developed the prototype of the OBFN that possesses a capacity of amplitude and phase of 2 optical beams ... [more] | SAT2010-13 pp.13-18 |
| 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 |
| WBS, SAT (Joint) |
2010-06-10 13:25 |
Okinawa | Okinawa-ken-Seinen-Kaikan | Evaluation of an RF signal Direct-Processing Receiver for Reconfigurable Communication Equipment Midori Kato, Shiro Yoshikawa, Tamio Okui, Tetsuya Watanabe (NEC), Masayoshi Yoneda (NTSpace), Kenji Suzuki, Ryutaro Suzuki (NICT) SAT2010-2 |
This paper describes an evaluation of an RF signal Direct-Processing Receiver that samples the RF signal directly and ma... [more] | SAT2010-2 pp.7-10 |
| WBS, SAT (Joint) |
2010-06-11 14:50 |
Okinawa | Okinawa-ken-Seinen-Kaikan | Survivability Applications via Wideband Internetworking Engineering Test and Demonstration Satellite "KIZUNA" (WINDS) Ryutaro Suzuki, Takashi Takahashi (NICT), Yoshihisa Kondo (ATR), Osamu Takizawa, Naoko Yoshimura (NICT), Shinji Yamaguchi (ATR), Maki Akioka, Mitsugu Ohkawa, Toshio Asai, Akira Akaishi, Takehiro Terada (NICT) SAT2010-10 |
“Survivability application experiment” was begun as one of the applications that effectively used the broadband communic... [more] | SAT2010-10 pp.51-56 |
| 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 15:00 |
Tokyo | NICT-Honbu | A study of flexible repeater for future satellite communications Masayoshi Yoneda, Takeo Kumagai (NEC TOSHIBA Space Systems, Ltd), Yoichi Koishi (NEC Corp.), Ryutaro Suzuki (NICT) SAT2009-58 |
The mission life of the communication satellite is reached to fifteen years. Meanwhile, standard communication style mov... [more] | SAT2009-58 pp.25-30 |
| 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, SANE (Joint) |
2010-02-26 17:15 |
Tokyo | NICT-Honbu | [Invited Talk]
Current Status and Plan of WINDS Basic Experiments in NICT Ryutaro Suzuki, Takashi Takahashi, Naoko Yoshimura, Mitsugu Ohkawa, Kazuyoshi Kawasaki, Akira Akaishi, Toshio Asai (NICT) SANE2009-171 SAT2009-63 |
[more] | SANE2009-171 SAT2009-63 pp.69-76(SANE), pp.55-62(SAT) |
| RCS, SAT (Joint) |
2009-12-17 14:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Future Satellite Communications
-- Toward a Japan's Next Project -- Takashi Iida (Tokyo Metropolitan Univ.), Naoto Kadowaki, Ryutaro Suzuki, Naoko Yoshimura, Yoshihisa Takayama (NICT) SAT2009-47 |
[more] | SAT2009-47 pp.1-6 |
| SANE | 2009-11-02 09:40 |
Overseas | Fudan University (Shanghai) | [Invited Talk]
NICT's Research and Development Plan in Space Communications Technology Naoto Kadowaki, Ryutaro Suzuki (NICT) SANE2009-84 |
[more] | SANE2009-84 pp.9-14 |
| 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 |
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