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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, SANE
(Joint)		 2016-02-16
15:00		 Hiroshima Hiroshima Institute of Technology Evaluation of Nonlinear Phase Distortion in X-band GaAs and GaN Power Amplifiers for Small Satellite Communication and its Effect to Multi-level Modulation
Masafmi Morimoto, Tomoya Fukami, Hiromi Watanabe (UTokyo), Hirobumi Saito (JAXA) SANE2015-110		 In this paper, in order to understand AM-PM characteristics, we simulated AM-PM using equivalent circuit of FET. In addi... [more] SANE2015-110
pp.19-24
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
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 2013-12-03
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 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 2012-06-29
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
 Results 1 - 9 of 9  /   
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