Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SAT, KOSST |
2023-10-11 11:15 |
Overseas |
Central Hotel Marianne(Korea, Busan) (Primary: On-site, Secondary: Online) |
An Advanced Proposal for the On-orbit Practical Experiment of LEO Satellite MIMO for 920MHz band IoT Sensing Platform Kiyohiko Itokawa, Daisuke Goto, Yasuyoshi Kojima, Kouhei Suzaki, Kazumitsu Sakamoto, Yousuke Fujino, Fumihiro Yamashita (NTT), Chihaya Kato, Mitsuhiro Nakadai, Masanobu Yajima (JAXA) SAT2023-55 |
[more] |
SAT2023-55 pp.39-44 |
SAT, RCS (Joint) |
2022-08-25 14:45 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
[Invited Lecture]
R&D Trends in Onboard Paylaod toward NTN Shigenori Tani, Michiya Hayama, Futaba Ejima, Hideki Ishihara, Hiroyuki Tanaka (Mitsubishi Electric), Johta Awano, Masanobu Yajima (JAXA) SAT2022-33 RCS2022-108 |
Satellite communications have traditionally been a relatively closed network, but with the standardization of NTNs, a wi... [more] |
SAT2022-33 RCS2022-108 pp.25-29(SAT), pp.61-65(RCS) |
AP, SANE, SAT (Joint) |
2021-07-29 09:50 |
Online |
Online |
Development of intra-satellite wireless communication module using IR-UWB Johta Awano, Ogata Takuto, Masanobu Yajima (JAXA) SANE2021-21 |
We are developing intra satellite wireless communication equipment for the purpose of mass reduction and reconstruction... [more] |
SANE2021-21 pp.36-40 |
SANE |
2020-06-26 14:55 |
Online |
Online |
Study of on-orbit demonstration of VCM technology based on DVB-S2X by the rapid innovative payload demonstration satellite-2 (RAISE-2) Chihaya Kato, Mitsuhiro Nakadai, Masanobu Yajima (JAXA), Tsuyoshi Sasaki, Jin Miyazawa, Michiya Hayama (Mitsubishi Electric Corp.) SANE2020-13 |
With the improved sensor capabilities of Earth observation satellites in low Earth orbit (LEO), the volume of data trans... [more] |
SANE2020-13 pp.25-30 |
AP, SANE, SAT (Joint) |
2019-07-17 17:25 |
Miyagi |
Tohoku Univ. |
[Special Talk]
Latest trends of HTS (High Throughput Satellite) and expected technology for next generation communication satellites Johta Awano, Masanobu Yajima (JAXA) SAT2019-11 |
[more] |
SAT2019-11 pp.19-24 |
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 |
WPT |
2016-03-07 15:45 |
Kyoto |
Kyoto Univ. Uji Campus |
Examination for Improving Microwave Beam-pointing Control Accuracy Applied to Space Solar Power Systems Katsumi Makino, Daisuke Joudoi, Mitsuhiro Nakadai, Masanobu Yajima, Kazuo Ohashi (JAXA), Tomohiro Takahashi, Shuji Nuimura, Yukihiro Homma (MELCO) WPT2015-82 |
JAXA has developed a high-accuracy microwave beam-pointing controller for a wireless power transmission ground test and ... [more] |
WPT2015-82 pp.33-37 |
SANE |
2015-06-18 17:10 |
Ibaraki |
Tsukuba Space Center, JAXA |
Development and Demonstration of the High-Precision Beam Steering Controller for Microwave Power Transmission, which takes account of applying to SSPS(Space Solar Power Systems) Katsumi Makino, Daisuke Joudoi, Mitsuhiro Nakadai, Masanobu Yajima, Kazuo Ohashi (JAXA), Tomohiro Takahashi, Takuro Sasaki, Yukihiro Homma (MELCO) SANE2015-22 |
(To be available after the conference date) [more] |
SANE2015-22 pp.37-42 |
SANE |
2014-06-20 14:45 |
Ibaraki |
Tsukuba Space Center, JAXA |
Development of 20W class X-band Amplifier using GaN
-- The Feasibility Study by the System Evaluation -- Mitsuhiro Nakadai, Johta Awano, Masanobu Yajima (JAXA), Masahiro Funabashi, Tomo Sakata (NTSpace) SANE2014-36 |
Japan Aerospace Exploration Agency (JAXA) has developed a 20W class X-band Solid State Power Amplifier (SSPA) using gall... [more] |
SANE2014-36 pp.75-78 |
SANE |
2014-06-20 15:10 |
Ibaraki |
Tsukuba Space Center, JAXA |
A Study of Optical Data Relay system Tomohiro Araki, Satoshi Ichikawa, Masanobu Yajima (JAXA) SANE2014-37 |
We repot a study results of from 2 Gbps optical data relay system in 2020s to support earth observation satellites and s... [more] |
SANE2014-37 pp.79-83 |
SANE |
2013-06-20 13:00 |
Ibaraki |
Tsukuba Space Center, JAXA |
A Study on Ka-band High Speed Transmission System for Earth Exploration Satellites
-- Study on LDPC codes and VCM/ACM System -- Yoshiyuki Tashima, Kazuya Inaoka, Tomohiro Araki, Masaaki Shimada, Masanobu Yajima (JAXA) SANE2013-16 |
Corresponding to the increasing of the data transmission speed from Earth exploration satellites, the Japan Aerospace Ex... [more] |
SANE2013-16 pp.11-16 |
SANE |
2012-06-29 16:35 |
Ibaraki |
Tsukuba Space Center, JAXA |
Study on improvement of L-SSPS utilization rates by site diversity (II) Hiroyuki Nagayama (MRI), Katsuto Kisara, Hiroyuki Yoshida, Masanobu Yajima (JAXA) SANE2012-24 |
(To be available after the conference date) [more] |
SANE2012-24 pp.23-26 |
SANE |
2011-06-23 10:10 |
Ibaraki |
Tsukuba Space Center (JAXA) |
Null Beam Forming by Amplitude and Phase Control for Multiple-Beam Phased Array Antennas Takayuki Nakanishi, Kazunari Kihira, Toru Takahashi, Toshihiko Aoki, Ichiro Inamori, Yoshihiko Konishi (Mitsubishi Electric Corp.), Masanobu Yajima, Toshihiro Sezai, Johta Awano (JAXA) SANE2011-19 |
Multiple access technologies have been required for intersatellite communications between low earth orbit (LEO) satellit... [more] |
SANE2011-19 pp.11-16 |
SANE |
2011-06-24 16:05 |
Ibaraki |
Tsukuba Space Center (JAXA) |
Study on improvement of LSSPS utilization rates by site diversity Hiroyuki Nagayama (MRI), Katsuto Kisara, Hiroyuki Yoshida, Masanobu Yajima, Susumu Sasaki (JAXA) SANE2011-44 |
LSSPS is pointed out that the influence of the cloud and the atmosphere is large.
In the examination in JAXA, the atmo... [more] |
SANE2011-44 pp.159-162 |
SANE |
2011-04-22 10:10 |
Nagano |
Usuda Deep Space Center, JAXA |
Health check experiments of active phased array antenna on KIZUNA (WINDS) by two stations simultaneous measurement Masanobu Yajima, Takafumi Horiuchi, Masahiro Nakao (JAXA), Akira Akaishi, Mitsugu Ohkawa, Takashi Takahashi (NICT) SANE2011-7 |
(To be available after the conference date) [more] |
SANE2011-7 pp.43-48 |
AP, SAT (Joint) |
2010-07-22 15:15 |
Hokkaido |
Kitami Inst. Tech. |
Communication Experiment Results of APAA for KIZUNA (WINDS) Satellite Masanobu Yajima, Tomonori Kuroda, Masaaki Shimada, Masahiro Nakao (JAXA) AP2010-59 SAT2010-20 |
Active Phased Array Antennas have attracted attention for use as hopping spot beam antennas that might be used as electr... [more] |
AP2010-59 SAT2010-20 pp.123-128(AP), pp.55-60(SAT) |
SANE |
2010-06-25 13:40 |
Ibaraki |
Tsukuba Space Center (JAXA) |
Null Beam Forming for Multiple-Beam Phased Array Antennas on GEO Satellites Toru Takahashi, Narihiro Nakamoto, Tamotsu Nishino, Toshihiko Aoki, Yoshihiko Konishi, Isamu Chiba (Mitsubishi Electric), Masanobu Yajima, Johta Awano, Ichirou Inamori (JAXA) SANE2010-42 |
Multiple access technologies have been required for intersatellite communications between low earth orbit (LEO) satellit... [more] |
SANE2010-42 pp.151-156 |
SANE |
2010-06-25 14:20 |
Ibaraki |
Tsukuba Space Center (JAXA) |
Development of Multi-mode Integrated Transponder Prototype Model Masanobu Yajima, Johta Awano, Masashi Shirakura, Noboru Takata (JAXA) SANE2010-44 |
(To be available after the conference date) [more] |
SANE2010-44 pp.163-168 |
MW |
2009-11-19 13:00 |
Kagoshima |
Tanegashima |
Development and On-board Evaluation Results of Active Phased Array Antenna for KIZUNA (WINDS) Satellite Masanobu Yajima, Tomonori Kuroda, Masaaki Shimada (JAXA) MW2009-128 |
(To be available after the conference date) [more] |
MW2009-128 pp.1-6 |
SANE |
2009-11-02 10:05 |
Overseas |
Fudan University (Shanghai) |
On-board Evaluation and Commuication Experiment Results of Active Phased Array Antenna for KIZUNA (WINDS) Satellite Masanobu Yajima, Tomonori Kuroda, Masaaki Shimada (JAXA) SANE2009-85 |
Phased Array Antennas have attracted attention for use as hopping spot beam antennas that might be used as electronicall... [more] |
SANE2009-85 pp.15-20 |