Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 09:00 |
Tokyo |
TOKYO BIG SIGHT (Primary: On-site, Secondary: Online) |
Software-Defined Radio Receiver for Satellite Hiroshi Nagasaki, Hiromichi Yoshiga, Shunsuke Kawasaki (NECSpace) SAT2023-4 MICT2023-4 |
(To be available after the conference date) [more] |
SAT2023-4 MICT2023-4 pp.16-19 |
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 13:30 |
Tokyo |
TOKYO BIG SIGHT (Primary: On-site, Secondary: Online) |
[Special Talk]
Development history of RF components for satellite communication Shunsuke Okada, Chihiro Sakakibara, Hiruta Masaki (NECSpace) SAT2023-8 MICT2023-8 |
NECSpace have developed on-board equipment for satellite from the very beginning of space development history in Japan. ... [more] |
SAT2023-8 MICT2023-8 pp.38-41 |
ED |
2022-12-09 14:35 |
Aichi |
12/8 Nagoya University, 12/9 WINC AICHI |
Optimal Design of Attenuator for Helix-TWTs by Using 3D Numerical Simulations Kenji Nakajima (GSST/NECSpace/NETS), Kunio Tsutaki (RIE Shizuoka Univ.), Yoichiro Neo, Hidenori Mimura (RIE Shizuoka Univ./GSST Shizuoka Univ.) ED2022-66 |
With the recent advancement of communication capacity and speed, traveling wave tubes (TWT), that are used as final stag... [more] |
ED2022-66 pp.51-54 |
ED |
2021-12-09 14:20 |
Online |
Online |
Optimal Design of Pillbox Window and Electron Gun for TWTs by Using 3D Numerical Simulations Kenji Nakajima (GSST Shizuoka Univ./NECSpace/NETS), Naofumi Kosugi (NETS), Kunio Tsutaki (RIE Shizuoka Univ.), Hidenori Mimura (RIE Shizuoka Univ./GSST Shizuoka Univ.) ED2021-44 |
Conventionally, the optimal design of TWT has been carried out by 2D axisymmetric simulation based on the theory of TWT ... [more] |
ED2021-44 pp.32-37 |
DC |
2019-02-27 16:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Reliability evaluation of the optical navigation electronics of HAYABUSA2
-- Onboard demonstration of a high reliability system with limited resources -- Hiroki Hihara (NECSpace/NEC), Junpei Sano (NECSpace), Tetsuya Masuda (NEC), Hisashi Otake, Tatsuaki Okada, Naoko Ogawa, Yuichi Tsuda (JAXA) DC2018-84 |
The optical navigation camera digital electronics of HAYABUSA2 asteroid probe was developed to fulfill the reliability a... [more] |
DC2018-84 pp.77-82 |
SANE |
2018-06-22 16:05 |
Ibaraki |
Tsukuba Space Center, JAXA |
Development of spread spectrum command receiver for space use Mitsuhiro Nakadai, Chihaya Kato, Masanobu Yajima (JAXA), Hideto Okada, Masanobu Ohtake, Chihiro Sakakibara (NEC Space) SANE2018-20 |
Although the spread spectrum achieves stable communication by suppressing interferer by spreading process, since the sat... [more] |
SANE2018-20 pp.39-44 |
RCS, SAT (Joint) |
2017-08-18 15:20 |
Niigata |
Niigata Univ. |
[Encouragement Talk]
16QAM Communication System using the Concealed Data Recovery Method Kenji Suzuki (NICT), Mitsuhisa Yamaji, Masanobu Otake, Yuichi Yamaguchi, Masayoshi Yoneda (NEC Space), Morio Toyoshima (NICT) SAT2017-35 |
We have proposed the novel method for secure security in a satellite communication. A third person can not to demodulat... [more] |
SAT2017-35 pp.75-80 |
AP, SAT, SANE (Joint) |
2016-07-21 13:00 |
Hokkaido |
Otaru port marina |
16QAM Communication System using the Concealed Data Recovery Method Kenji Suzuki (NICT), Mitsuhisa Yamaji, Masanobu Otake, Yuichi Yamaguchi, Masayoshi Yoneda (NEC Space Technologies), Morio Toyoshima (NICT) SAT2016-15 |
We have proposed the novel method for secure security in a satellite communication. A third person can not to demodulat... [more] |
SAT2016-15 pp.23-28 |
SAT |
2015-10-07 09:10 |
Osaka |
Osaka University Nakanoshima Center |
A system performance study on reducing power consumption of DBF/channelizer for communication satellite Teruaki Orikasa, Amane Miura (NICT), Naoki Kobayashi (NEC Space Technologies), Shinji Senba (AXIS) SAT2015-26 |
We have been researching and developing a digital Beam Former and Digital Channelizer (DBF/channelizer) for communicatio... [more] |
SAT2015-26 pp.1-6 |
SAT |
2015-10-08 11:15 |
Osaka |
Osaka University Nakanoshima Center |
Simulation and Measurement results of BER Performance and Spectrum Distortion under High-order Modulation with the X-band GaN SSPA Mitsuhiro Nakadai (JAXA), Masahiro Funabashi, Toshihumi Inome (NEC Space) SAT2015-39 |
Japan Aerospace Exploration Agency (JAXA) has developed a 20W class X-band Solid State Power Amplifier (SSPA) using gall... [more] |
SAT2015-39 pp.123-127 |
SAT |
2015-10-08 13:20 |
Osaka |
Osaka University Nakanoshima Center |
16APSK/16QAM-OFDM 3.2Gbps RF Signal Direct-Processing Transmitter and Receiver Communication Experiments Using WINDS Satellte Kenji Suzuki (NICT), Masatomo Yahata, Midori Kato, Tetsuya Watanabe, Kenichi Hoshi, Tamio Okui, Shiro Yoshikawa (NEC), Masayoshi Yoneda (NEC Space Technorogies), Yoshiki Arakawa, Toshio Asai, Takashi Takahashi, Morio Toyoshima (NICT) SAT2015-40 |
The National Institute of Information and Communications Technology (NICT) has experimented using a 1,244 Mbps high-spee... [more] |
SAT2015-40 pp.137-140 |
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 |
SANE, SAT (Joint) |
2015-02-19 09:50 |
Okinawa |
Okinawaken Shichoson Jichikaikan |
A study of flexible payload for future satellite communications
-- The change of service area by flexible payload -- Yoichi Koishi, Hiroshi Ooshima, Kunio Endoh (NEC), Takaomi Matsuzaki (NTSS) SAT2014-62 |
[more] |
SAT2014-62 pp.67-71 |