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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 48  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
WBS, RCC, SAT, MICT
(Joint) [detail]
2021-05-21
13:00
Online Online (Zoom) A Study on Multi-rate Polar Coding Scheme Using Hybrid Pilot and Frozen Bits in Satellite Laser Communications
Hiroki Ito, Yuma Yamashita, Eiji Okamoto (NITech), Hiroo Kunimori, Morio Toyoshima (NICT) WBS2021-18 RCC2021-18 SAT2021-16
In satellite laser communications, it is necessary to apply strong error-correcting codes to prevent the quality degrada... [more] WBS2021-18 RCC2021-18 SAT2021-16
pp.95-100(WBS), pp.95-100(RCC), pp.83-88(SAT)
OPE, OCS, LQE 2020-10-23
17:05
Online Online Experimental Statistics of Double-pass Free-space Optical Channels using Corner-Cube Retroreflectors
Pham Van Thanh (UoA), Trinh Viet Phuc, Alberto Carrasco-Casado, Dimitar Kolev, Hiroo Kunimori, Morio Toyoshima (NICT), Pham Tuan Anh (UoA) OCS2020-22 OPE2020-45 LQE2020-25
 [more] OCS2020-22 OPE2020-45 LQE2020-25
pp.72-76
SAT, RCS
(Joint)
2020-08-20
10:15
Online Online Performance improvements of polar-code transmission using channel estimation and equalization in terrestrial free-space optical experiments
Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Hiroo Kunimori, Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura (NICT), Ryosuke Shimizu (UEC), Masahide Sasaki, Morio Toyoshima (NICT) SAT2020-13
In satellite laser communications, fluctuations of received optical power induced by atmospheric scintillation cause tra... [more] SAT2020-13
pp.19-24
RCS, SAT
(Joint)
2019-08-22
14:05
Aichi Nagoya University [Invited Lecture] Optical Satellite Communication by Onboard High Speed or Small Equipment
Toshihiro Kubo-oka, Hiroo Kunimori, Kouichi Shiratama, Kenji Suzuki, Tetsuharu Fuse, Yoshihiko Saito, Yasushi Munemasa, Hideki Takenaka, Kolev Dimitar, Alberto Carrasco-Casado, Phuc Trinh, Morio Toyoshima (NICT) SAT2019-26 RCS2019-155
National Institute of Information and Communications Technology (NICT) in JAPAN has conducted research activities on opt... [more] SAT2019-26 RCS2019-155
pp.47-52
AP, SANE, SAT
(Joint)
2019-07-17
16:00
Miyagi Tohoku Univ. Optical Ground Station Facilities for Experiment using 1kg class Optical Communication Transmitter (VSOTA) Onboard Micro Satellite RISESAT
Hiroo Kunimori, Hideki Takenaka, Toshihiro Kubooka, Tetsuharu Fuse, Morio Toyoshima (NICT), Toshinori Kuwahara, Shinya Fujita, Hannah Tomio (Tohoku Univ.) SANE2019-21 SAT2019-8
The 1-kg-class optical transmitter (VSOTA) developed by NICT was mounted on a small satellite (RISESAT) developed by Toh... [more] SANE2019-21 SAT2019-8
pp.13-17(SANE), pp.1-5(SAT)
AP, SANE, SAT
(Joint)
2019-07-17
16:25
Miyagi Tohoku Univ. Preliminary Results and Status of Very Small Optical Transmitter (VSOTA) on Microsatellite RISESAT
Hannah Tomio, Shinya Fujita, Toshinori Kuwahara (Tohoku Univ.), Hiroo Kunimori, Hideki Takenaka, Toshihiro Kubooka, Tetsuharu Fuse, Morio Toyoshima (NICT) SANE2019-22 SAT2019-9
The Rapid International Scientific Experiment Satellite (RISESAT), a 50-kg class Earth observation microsatellite develo... [more] SANE2019-22 SAT2019-9
pp.19-24(SANE), pp.7-12(SAT)
WBS, SAT
(Joint)
2019-05-15
15:15
Aichi MEIJO University (Tempaku campus) Experiment and performance analysis of polar code transmission in terrestrial free space optics
Shingo Fujita, Keita Ito, Eiji Okamoto (NIT), Hideki Takenaka, Hiroo Kunimori, Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Masahide Sasaki, Morio Toyoshima (NICT) SAT2019-1
In recent years, the demand on high speed communication is more rising. Satellite laser communication is one of the infr... [more] SAT2019-1
pp.1-6
SAT 2018-10-12
11:15
Overseas KARI Development of Optical Satellite Communication System
Toshihiro Kubo-ola, Hiroo Kunimori, Yoshisada Koyama, Koichi SHiratama, Kenji Suzuki, Yasushi Munemasa, HIdeki Takenaka, Kolev Dimitar, Carrasco Casado Alberto, Trinh Phuc, Morio Toyoshima (NICT) SAT2018-55
 [more] SAT2018-55
pp.77-81
SAT, RCS
(Joint)
2018-08-10
17:10
Iwate Iwate University A Study on Polar Adaptive Coding Scheme in Free Space Optics
Keita Ito, Okamoto Eiji (NITech), Hideki Takenaka, Hiroo Kunimori, Toyoshima Morio (NICT) SAT2018-47
It is strictly proved that Polar code asymptotically reaches channel capacity with long code length. It is decided that ... [more] SAT2018-47
pp.103-108
SIP, IT, RCS 2018-01-22
13:30
Kagawa Sunport Hall Takamatsu A Study on Adaptive Coded Transmission Scheme using Polar Code
Keita Ito, Eiji Okamoto (NITech), Hideki Takenaka, Hiroo Kunimori, Morio Toyoshima (NICT) IT2017-68 SIP2017-76 RCS2017-282
Adaptive modulation and coding is one of the important fundamental technologies for wireless communications. It aims to ... [more] IT2017-68 SIP2017-76 RCS2017-282
pp.79-83
AP, SAT, SANE
(Joint)
2017-07-28
08:50
Aichi Nagoya Institute of Technology Study on Frozen Bit Determination Scheme for Polar Codes in Free Space Optical Communications
Keita Ito, Eiji Okamoto (NITech), Hideki Takenaka, Hiroo Kunimori, Morio Toyoshima (NICT) SAT2017-13
In recent years, satellite laser communication is attracting much attention as an important infrastructure, because of i... [more] SAT2017-13
pp.35-40
SAT, RCS
(Joint)
2016-08-18
10:20
Miyagi Tohoku Gakuin University Simulation of communication systems based on single-photon detection over Gamma-Gamma fading channels
Yusuke Kobayashi (SIT), Hiroo Kunimori, Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Toshiyuki Ito, Masahide Sasaki (NICT), Ryosuke Shimizu (UEC), Takao Aoki (Waseda Univ.), Koichi Gyoda (SIT), Morio Toyoshima (NICT) SAT2016-38
(To be available after the conference date) [more] SAT2016-38
pp.31-36
SAT, RCS
(Joint)
2016-08-18
10:45
Miyagi Tohoku Gakuin University Characterization of SSPD receiver at optical communication ground station using test equipment and reception of down link photon from a satellite
Hiroo Kunimori, Shigehito Miki, Taro Yamashita, Hirotaka Terai, Hiroyuki Endo, Mikio Fujiwara, Masahide Sasaki (NICT), Takao Aoki (Waseda Univ.), Yusuke Kobayashi, Koichi Gyoda (SIT), Jun-ich Nakazono (EOS), Morio Toyoshima (NICT) SAT2016-39
A SSPD developed in house NICT is applied as one of the promising detector for the deep space optical communication. The... [more] SAT2016-39
pp.37-42
SAT, RCS
(Joint)
2016-08-18
13:40
Miyagi Tohoku Gakuin University [Invited Lecture] A study on application of Reed-Solomon-Spinal concatenation code for free-space optics
Naoya Saiki, Eiji Okamoto (NITech), Hideki Takenaka, Hiroo Kunimori, Kolev Dimitar, Hiroyuki Endo, Yusuke Kobayashi, Morio Tyoshima, Mikio Hujiwara, Masahide Sasaki (NICT), Takao Aoki (Waseda Univ.), Koichi Gyoda (SIT) SAT2016-40 RCS2016-133
Recently, satellite laser communication is attracting attention as an important infrastructure to achieve increasing dem... [more] SAT2016-40 RCS2016-133
pp.43-48(SAT), pp.25-30(RCS)
SANE 2016-06-24
15:15
Ibaraki Tsukuba Space Center, JAXA Attitude Control and Visibility Prediction for Optical Link Experiment by LIDAR on Asteroid Explorer Hayabusa-2
Naoko Ogawa, Hiroshi Takeuchi, Tomohiro Yamaguchi, Takanao Saiki (JAXA), Hirotomo Noda (NAOJ), Takahide Mizuno (JAXA), Hiroo Kunimori (NICT), Hiroki Senshu (CIT), Noriyuki Namiki (NAOJ), Yuichi Tsuda (JAXA) SANE2016-18
Asteroid Explorer Hayabusa-2, launched in December 2014, is equipped with a laser altimeter LIDAR. The main purpose of ... [more] SANE2016-18
pp.49-54
SAT, SANE
(Joint)
2016-02-16
11:20
Hiroshima Hiroshima Institute of Technology Ranging system operating with 1 um wavelength for optical communication and space debris observation
Hiroo Kunimori, Toshihiro Kubooka, Tetsuharu Fuse, Hiroyuki Endo, Mikio Fujiwara, Masahide Sasaki (NICT), Takao Aoki (Waseda U.) SANE2015-107
The National Institute of Information and Communications Technology (NICT) has developed SLR ( Satellite Laser Ranging )... [more] SANE2015-107
pp.1-5
SAT, SANE
(Joint)
2016-02-16
11:45
Hiroshima Hiroshima Institute of Technology Development of LIDAR for Hayabusa2 and initial health-check with optical link function
Takahide Mizuno (JAXA), Teiji Kase (NEC), Hirotomo Noda (NAOJ), Hiroo Kunimori (NICT), Hiroki Senshu (CIT), Junko Ogawa, Hirshi Takeuchi, Takanao Saiki (JAXA), Noriyuki Namiki (NAOJ), Yuichi Tsuda (JAXA) SANE2015-108
 [more] SANE2015-108
pp.7-12
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
SAT 2015-10-07
16:20
Osaka Osaka University Nakanoshima Center A Proposal of Beaconless Ground to Satellite Laser Communication System by Using GPS Information
Keiichi Yano (SIT), Yoshihisa Takayama (Tokai Univ.), Hiroo Kunimori (NICT), Koichi Gyoda (SIT) SAT2015-33
In a space laser communication between a ground station and a satellite, a beacon laser had been used in acquisition of ... [more] SAT2015-33
pp.81-85
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
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