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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SAT (Joint) |
2015-08-18 14:05 |
Fukuoka | Fukuoka Univ. | [Encouragement Talk]
16APSK/16QAM-OFDM 3.2Gbps RF Signal Direct-Processing Transmitter and Receiver Communication Experiment with Uncompressed 4K UHDTV for Reconfigurable Communication Equipment Using "KIZUNA" (WINDS) Masatomo Yahata, Tetsuya Watanabe, Kenichi Hoshi, Shiro Yoshikawa, Tamio Okui, Midori Kato (NEC), Masayoshi Yoneda (NST), Kenji Suzuki, Yoshiki Arakawa, Toshio Asai, Takashi Takahashi, Ryutaro Suzuki, Morio Toyoshima (NICT)  SAT2015-24 |
[more] | SAT2015-24 pp.77-81 |
| SAT, RCS (Joint) |
2014-08-19 09:25 |
Kochi | Kochi City Cultura-Plaza CUL-PORT | 16APSK-OFDM 3.2Gbps RF Signal Direct-Processing Transmitter and Receiver Communication Experiment with Uncompressed 4K UHDTV for Reconfigurable Communication Equipment Using "KIZUNA" (WINDS) Masatomo Yahata, Midori Kato, Tetsuya Watanabe, Kenichi Hoshi, Tamio Okui, Shiro Yoshikawa (NEC), Masayoshi Yoneda (NTSpace), Kenji Suzuki, Yoshiki Arakawa, Toshio Asai, Takashi Takahashi, Ryutaro Suzuki, Morio Toyoshima (NICT) SAT2014-25 |
Experiment by reconfigurable communication equipment is planned in order to develop the smaller and more efficient satel... [more] | SAT2014-25 pp.1-4 |
| AP, SAT (Joint) |
2012-07-27 09:50 |
Hokkaido | Hokkaido Univ. | Communication Experiment with WINDS by RF signal Direct-Processing Transmitter and Receiver in high-efficiency modulation for Reconfigurable Communication Equipment Masatomo Yahata, Midori Kato, Shiro Yoshikawa, Tamio Okui, Tetsuya Watanabe (NEC), Masayoshi Yoneda (NTSPACE), Kenji Suzuki, Ryutaro Suzuki, Morio Toyoshima (NICT) SAT2012-15 |
Experiment by reconfigurable communication equipment is planned in order to develop the smaller and more efficient satel... [more] | SAT2012-15 pp.43-47 |
| SAT | 2011-12-13 13:30 |
Aichi | Nagoya University | Development of Optically Controlled Beam-Forming Network Akira Akaishi, Takashi Takahashi, Yoshiyuki Fujino, Mitsugu Ohkawa, Toshio Asai, Ryutaro Suzuki (NICT), Hirofumi Matsuzawa (Mitsubishi Electric) SAT2011-59 |
NICT has been developing a test model of an optically controlled beam-forming network(OBFN) for a future multiple-beam a... [more] | SAT2011-59 pp.119-124 |
| RCS, SAT (Joint) |
2011-08-26 10:20 |
Niigata | Niigata Univ. | Evaluation of a 16APSK RF signal Direct-Processing Transmitter and Receiver in high-efficiency modulation for Reconfigurable Communication Equipment in a small experiment satellite Midori Kato, Shiro Yoshikawa, Tamio Okui, Tetsuya Watanabe (NEC), Masayoshi Yoneda (NTSpace), Kenji Suzuki, Ryutaro Suzuki (NICT) SAT2011-31 |
This paper describes an evaluation of a 16APSK RF signal Direct-Processing Transmitter and Receiver designed for the Rec... [more] | SAT2011-31 pp.81-86 |
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-21 15:40 |
Hokkaido | High efficiency optically controlled beam former by beam shaping optics Tomohiro Akiyama, Hirofumi Matsuzawa, Eisuke Haraguchi, Hideo Sumiyoshi, Toshiyuki Ando (Mitsubishi Electric Corp.), Akira Akaishi, Takashi Takahashi, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) MW2011-48 OPE2011-35 EST2011-34 MWP2011-16 |
We propose and demonstrate an optically controlled multiple-beam phased array antenna employing spatial light modulator.... [more] | MW2011-48 OPE2011-35 EST2011-34 MWP2011-16 pp.61-66 |
|
| AP, SAT (Joint) |
2011-07-15 09:25 |
Nagano | Fac. Eng., Shinshu Univ. | Transmission Characteristics of Variable Scanning Spot Antenna using Optical Beam Forming Network Hirofumi Matsuzawa, Tomohiro Akiyama, Hideo Sumiyoshi, Toshiyuki Ando, Masateru Nagase (MELCO), Akira Akaishi, Takashi Takahashi, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) SAT2011-13 |
[more] | SAT2011-13 pp.31-36 |
| SANE | 2011-06-24 15:45 |
Ibaraki | Tsukuba Space Center (JAXA) | Experimental results of multiple-beam optically controlled beamformer using spatial light modulators Tomohiro Akiyama, Hirofumi Matsuzawa, Eisuke Haraguchi, Hideo Sumiyoshi (Mitsubishi Electric Corp.), Akira Akaishi, Takashi Takahashi, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) SANE2011-43 |
[more] | SANE2011-43 pp.153-158 |
| WBS, SAT (Joint) |
2011-05-10 09:55 |
Okinawa | Okinawa Subtropical Environment Remote-Sensing Center | Development of wideband digital channelizer and adaptive regenerative transponder Hideto Okada, Minoru Kobayashi, Masayoshi Yoneda (NTSpace), Toshio Asai, Mitsugu Ohkawa, Takashi Takahashi, Ryutaro Suzuki (NICT) SAT2011-4 |
One of the solutions to operate Ka-band satellite under rainy condition is application of adaptive satellite communicati... [more] | SAT2011-4 pp.17-22 |
| AP, MW (Joint) |
2011-03-04 09:25 |
Ibaraki | Ibaraki Univ. | Outdoor/Indoor Propagation Experiment for Interference Estimation in Satellite/Terrestrial Integrated Mobile Communication System
-- Evaluation Using Cellular Phone, CW Transmitter and Pseudo Satellite -- Amane Miura, Hiroshi Watanabe, Naokazu Hamamoto, Hiroyuki Tsuji, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) AP2010-187 |
[more] | AP2010-187 pp.83-88 |
| SANE, SAT (Joint) |
2011-02-25 14:30 |
Hyogo | NICT Kobe Research Laboratories | A mobile phone output power measurement in low population density region for interference etimation of satellite/terrestrial integrated mobile communication system Hiroshi Watanabe, Amane Miura, Naokazu Hamamoto, Yoshiyuki Fujino, Ryutaro Suzuki (NICT) SAT2010-90 |
The National Institute of Information and Communications Technology (NICT) has been studying "Satellite/Terrestrial Inte... [more] | SAT2010-90 pp.85-90 |
| SAT | 2010-10-28 11:00 |
Overseas | Kyonju（Korea） | Present Status of NICT's Satellite Communications Experiments Hiromitsu Wakana, Ryutaro Suzuki, Naoto Kadowaki (NICT) SAT2010-44 |
NICT’s recent experimental achievements using experimental communication satellites of the Engineering Test Satellite VI... [more] | SAT2010-44 pp.7-12 |
| SAT | 2010-10-28 13:40 |
Overseas | Kyonju（Korea） | Satellite Communications System for Next Generation Marine Observation Naoto Kadowaki, Ryutaro Suzuki, Hiromitsu Wakana, Takashi Takahashi (NICT), Hiroshi Yoshida, Takafumi Kasaya, Kenichi Asakawa, Yasuhisa Ishihara (JAMSTEC) SAT2010-48 |
Importance of marine observations has been increasingly recognized as a key to many grand challenges of human beings suc... [more] | SAT2010-48 pp.33-38 |
| 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 |
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