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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, SANE (Joint) |
2016-02-16 15:25 |
Hiroshima | Hiroshima Institute of Technology | The Experiments of 505 Mbps Downlink Communication from the 50 kg Class Satellite using 64APSK and Future Plans Tomoya Fukami, Hiromi Watanabe (UTokyo), Atsushi Tomiki, Takahide Mizuno, Hirobumi Saito (JAXA), Naohiko Iwakiri (NICT), Takahiro Shinke, Kaname Kojima (Addnics), Koichi Kawamoto (Kawamoto), Osamu Shigeta, Hitoshi Nunomura (AI Electronics), Yasuaki Kanda (Antenna Giken)  SANE2015-111 |
A high-speed downlink communication system is required to meet various applications for nano/small satellites. Therefore... [more] | SANE2015-111 pp.25-30 |
| SAT | 2015-10-07 15:55 |
Osaka | Osaka University Nakanoshima Center | Initial Overview of Satellite-ground Laser Communication Experiment using Small Optical TrAnsponder (SOTA) Yasushi Munemasa, Hideki Takenaka, Dimitar Kolev, Naohiko Iwakiri, Maki Akioka, Yoshisada Koyama, Hiroo Kunimori, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2015-32 |
Small Optical TrAnsponder (SOTA) has been launched and injected into 650 km-SSO on 24th May 2014, which is developed by ... [more] | SAT2015-32 pp.75-79 |
| RCS, SAT (Joint) |
2015-08-17 11:45 |
Fukuoka | Fukuoka Univ. | Demonstration of Image transmission using Small Optical TrAnsponder (SOTA) Hideki Takenaka, Maki Akioka, Yoshisada Koyama, Kolev Dimitar, Yasushi Munemasa, Naohiko Iwakiri, Hiroo Kunimori (NICT), Eiji Okamoto (NIT), Morio Toyoshima (NICT) SAT2015-12 |
We promoted a study for the practical use of space optical communication in NICT and developed SOTA is loaded on 50kg-cl... [more] | SAT2015-12 pp.7-9 |
| SANE, SAT (Joint) |
2015-02-18 15:50 |
Okinawa | Okinawaken Shichoson Jichikaikan | [Special Talk]
On-Orbit Demonstration of the X-band 348 Mbps Communication System for the Nano Satellite: Hodoyoshi-4 Tomoya Fukami, Hiromi Watanabe (UTokyo), Atsushi Tomiki, Takahide Mizuno, Hirobumi Saito (JAXA), Naohiko Iwakiri (NICT), Takahiro Shinke, Kaname Kojima (Addnics), Koichi Kawamoto (Kawamoto), Osamu Shigeta, Hitoshi Nunomura (AI Electronics), Yasuaki Kanda (Antenna Giken) SANE2014-132 SAT2014-58 |
A high-speed downlink communication system is required to meet various applications for nano/small satellites. Therefore... [more] | SANE2014-132 SAT2014-58 pp.25-30(SANE), pp.43-48(SAT) |
| SANE | 2014-10-22 10:00 |
Overseas | Ramada Plaza Melaka, Malacca, Malaysia | High speed down link experiment from small satellite Hodoyoshi 4 Hirobumi Saito (JAXA), Tomoya Fukami, Hiromi Watanabe (Univ. of Tokyo), Takahide Mizuno, Atsushi Tomiki (JAXA), Naohiko Iwakiri (NICT) SANE2014-66 |
A high-speed downlink communications system is required to meet various applications for nano/small satellites. It is es... [more] | SANE2014-66 pp.11-16 |
| SAT, SANE (Joint) |
2014-02-21 10:30 |
Yamaguchi | Hotel Kamefuku (Yamaguchi) | Ipplication of Small satellite: High speed downlink communication system
-- High efficiency GaN-HEMT power amplifier -- Hiromi Watanabe, Tomoya Fukami (Univ. of Tokyo), Hirobumi Saito (JAXA), Naohiko Iwakiri (Univ. of Tokyo), Atsushi Tomiki (JAXA) SANE2013-137 |
[more] | SANE2013-137 pp.31-36 |
| SANE | 2013-12-02 16:50 |
Overseas | VAST/VNSC(2nd Dec.) & Melia Hotel (3rd Dec), Hanoi, Vietnam | Hardware implementation and laboratory performances of X-band nano satellite high-speed downlink receiver based on turbo equalizer/decoder Naohiko Iwakiri (Tokyo Univ.), Hirobumi Saito (JAXA), Shinichi Nakasuka (Tokyo Univ.) SANE2013-93 |
[more] | SANE2013-93 pp.127-132 |
| SANE | 2013-12-03 12:05 |
Overseas | VAST/VNSC(2nd Dec.) & Melia Hotel (3rd Dec), Hanoi, Vietnam | Development of the X-band High Speed Downlink Transmitter for Nano Satellite Tomoya Fukami, Hiromi Watanabe (The Univ. of Tokyo), Atsushi Tomiki (JAXA), Naohiko Iwakiri (The Univ. of Tokyo), Hirobumi Saito (JAXA), Shinichi Nakasuka (Tokyo Univ.) SANE2013-102 |
Recently small satellites start playing important roles in earth observation missions. It, however, is true that small s... [more] | SANE2013-102 pp.179-184 |
| SANE | 2013-04-25 13:00 |
Nagano | Usuda Deep Space Center, JAXA | Evaluation of the X-band High Speed Downlink Transmitter with GaN-HEMT amplifier for Nano Satellite Tomoya Fukami, Hiromi Watanabe (Univ. of Tokyo), Atsushi Tomiki (JAXA), Naohiko Iwakiri (Univ. of Tokyo), Hirobumi Saito (JAXA), Shinichi Nakasuka (Univ. of Tokyo) SANE2013-1 |
Recently small satellites start playing important roles in earth observation missions. It, however, is true that small s... [more] | SANE2013-1 pp.1-6 |
| SANE | 2013-04-25 13:25 |
Nagano | Usuda Deep Space Center, JAXA | Nonlinear channel modeling of GaN HPA with two stage PSB model and its impact on performances of X-band nano-satellite high-speed communication system Naohiko Iwakiri (Univ. of Tokyo), Hirobumi Saito (JAXA), Shinichi Nakasuka (Univ. of Tokyo) SANE2013-2 |
[more] | SANE2013-2 pp.7-12 |
| SANE | 2012-10-11 14:40 |
Overseas | The SONGDO CONVENSIA, Incheon Korea | Developments of high-efficiency GaN RF amplifier and pre-distortion technique for nano/small satellite downlink system Hiromi Watanabe, Tomoya Fukami (Univ. of Tokyo), Atsushi Tomiki, Hirobumi Saito, Naohiko Iwakiri (JAXA) SANE2012-83 |
A high-speed downlink communication system is required to meet different applications for nano/small satellites. Therefo... [more] | SANE2012-83 pp.153-158 |
| SANE | 2012-10-11 15:00 |
Overseas | The SONGDO CONVENSIA, Incheon Korea | Turbo equalizer/decoder performances of nonlinear channels due to different classes of GaN HPAs for X-band nano satellite high-speed downlink system Naohiko Iwakiri (Univ. of Tokyo), Hirobumi Saito (JAXA), Shinichi Nakasuka (Univ. of Tokyo) SANE2012-71 |
[more] | SANE2012-71 pp.83-88 |
| SANE | 2012-06-29 16:10 |
Ibaraki | Tsukuba Space Center, JAXA | Measurement and digital predistortion on high-efficiency GaN based power amplifier for nano/small satellite high-speed communication system Hiromi Watanabe (Tokyo University), Atsushi Tomiki (JAXA), Naohiko Iwakiri, Tomoya Fukami (Tokyo University), Hirobumi Saito (JAXA), Shinichi Nakasuka (Tokyo University) SANE2012-40 |
A high-speed downlink communication system is required to meet different applications for nano/small satellites. Theref... [more] |
SANE2012-40 pp.111-116 |
| SANE | 2012-04-27 09:40 |
Nagano | Usuda Deep Space Center, JAXA | Suggestion for Selection Methods of Pre-distortion with Low Consumption Power Amplifier for High-Speed Communication on Small Satellites Mitsuhiro Nakadai, Naohiko Iwakiri (Tokyo Univ.), Hirobumi Saito (JAXA) SANE2012-6 |
Multi-level modulation is useful for Efficient use of frequency band to achieve the high-speed communications on small s... [more] | SANE2012-6 pp.29-34 |
| SANE | 2012-04-27 10:05 |
Nagano | Usuda Deep Space Center, JAXA | Performance Evaluation of X-band Nano Satellite High-Speed Communication System Equipped with Nonlinearity Compensation Techniques Naohiko Iwakiri (Tokyo Univ.), Hirobumi Saito (JAXA), Shinichi Nakasuka (Tokyo Univ.) SANE2012-7 |
A high-speed downlink communication system is required to meet different applications for nano/small satellites. Therefo... [more] | SANE2012-7 pp.35-40 |
| SANE | 2011-10-17 11:40 |
Overseas | Udayana University, Bali, Indonesia | Performance Analysis of SCCC Turbo Equalization with Nonlinear Satellite Channel Compensation Techniques for Nano/Small Satellite High-Speed Communication Systems Naohiko Iwakiri (Univ. of Tokyo), Atsushi Tomiki, Takahide Mizuno, Hirobumi Saito (JAXA), Shinichi Nakasuka (Univ. of Tokyo) SANE2011-66 |
[more] | SANE2011-66 pp.17-22 |
| SANE | 2011-10-18 10:35 |
Overseas | Udayana University, Bali, Indonesia | Estimation of Angle of Arrival and Resolvable Multipath Components of an Ultra-Wideband Monopulse Radar Natsuki Hashimoto, Hiromitsu Aoki (Tokyo Denki Univ.), Naohiko Iwakiri (Univ. of Tokyo), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2011-82 |
High range resolution is inherently provided with Ka-band ultra-wideband (UWB) vehicular radars. The authors have dev... [more] | SANE2011-82 pp.105-110 |
| SANE | 2011-04-22 09:45 |
Nagano | Usuda Deep Space Center, JAXA | SCCC turbo equalization with nonlinear satellite channel compensation techniques for nano/small satellite high-speed communication system Naohiko Iwakiri (Tokyo Univ.), Takahide Mizuno, Hirobumi Saito (JAXA), Shinichi Nakasuka (Tokyo Univ.) SANE2011-6 |
[more] | SANE2011-6 pp.37-42 |
| SANE | 2010-11-26 14:50 |
Kanagawa | JAXA Sagamihara campus | Evaluation of Nano/Small Satellite High-Speed Communication System and Turbo Equalization for Nonlinear Satellite Channel Naohiko Iwakiri (Tokyo Univ.), Takahide Mizuno, Hirobumi Saito (JAXA), Shinichi Nakasuka (Tokyo Univ.) SANE2010-121 |
In recent years, small/nano satellites have been developed by universities and companies to utilize space environments. ... [more] | SANE2010-121 pp.25-30 |
| SANE | 2010-10-29 09:40 |
Overseas | Ramada Hotel, Jeju-do, Korea | Evaluation of a UWB Phase-Comparison Monopulse Short-Range Radar Hironori Enkouji, Natsuki Hashimoto, Hiromitsu Aoki, Naohiko Iwakiri, Takehiko Kobayashi (Tokyo Denki Univ.) SANE2010-115 |
Ultra wideband (UWB) vehicular radars, less expensive than conventional millimeter-wave radars, have attracted attention... [more] | SANE2010-115 pp.267-272 |
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