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Committee Date Time Place Paper Title / Authors Abstract Paper #
SANE, SAT
(Joint)
2021-02-18
11:00
Online Online Network operation measures by a laser ground network planning (LGNP) -- Space optical direct communication technology --
Tatsuya Mukai (JAXA), Yoshihisa Takayama (TU), Takashi Asama, Nobuhiro Yagi (TIS) SANE2020-58
Based on OICETS experimental ground system and the IOAG/OLSG report, JAXA conducts the research and development of uniqu... [more] SANE2020-58
pp.1-6
SAT, SANE
(Joint)
2020-02-19
15:15
Okinawa   Development and operations of a transportanble optical ground station (TOGS) for space optical direct communications -- Space optical communications technology --
Tatsuya Mukai (JAXA), Yoshihisa Takayama (TU), Tomohiro Araki (JAXA) SANE2019-105
The data volumes of space communication services connected between space and ground tends to increase more and more and ... [more] SANE2019-105
pp.43-48
RCS, IN, NV
(Joint)
2019-05-16
15:10
Kanagawa Keio University [Invited Talk] Research trend of spatial optical communications with expanding applications
Yoshihisa Takayama (Tokai Univ.) IN2019-7 RCS2019-28
A variety of applications of free-space laser propagation such as measurements, communications, energy transmissions, et... [more] IN2019-7 RCS2019-28
pp.23-28(IN), pp.35-40(RCS)
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
SANE, SAT
(Joint)
2015-02-19
14:30
Okinawa Okinawaken Shichoson Jichikaikan Integration, Final Test and Orbital Initial Operation of SOTA onboard Small Satellite SOCRATES
Maki Akioka, Yoshihisa Takayama, Yoshisada Koyama (NICT), Akira Miyake, Mamoru Yamada (AES) SAT2014-66
SOTA is a experimantal small optical communication instrument for orbital demonstration of 1.5 microns laser communicati... [more] SAT2014-66
pp.91-95
SAT 2014-10-24
11:00
Overseas Hae-un-dae Grand Hotel, Busan, Korea Application of DIMM system to satellite tracking
Tomohiro Watanabe (Tokyo Metropolitan Univ.), Yoshihisa Takayama, Hiroo Kunimori (NICT), Hajime Fukuchi (Tokyo Metropolitan Univ.) SAT2014-43
We study a possibility to share a single camera for both tracking of a received light and measuring atmosphere influence... [more] SAT2014-43
pp.113-116
CAS, SIP, MSS, VLD, SIS [detail] 2014-07-09
16:40
Hokkaido Hokkaido University Dynamic wavefront compensation of signal beam in optical satellite communication system using phase conjugation technique
Kaori Nishimaki, Atsushi Okamoto, Atsushi Shibukawa, Akihisa Tomita (Hokkaido Univ.), Yoshihisa Takayama (NICT) CAS2014-18 VLD2014-27 SIP2014-39 MSS2014-18 SIS2014-18
We propose an optical satellite communication system which can dynamically compensate the signal beam wavefront using ph... [more] CAS2014-18 VLD2014-27 SIP2014-39 MSS2014-18 SIS2014-18
pp.87-92
SAT, WBS
(Joint)
2014-05-15
17:05
Aichi Nagoya Institute of Technology [Special Talk] Status and plans of space laser communications
Yoshihisa Takayama (NICT) WBS2014-4 SAT2014-6
Demonstrations on satellite laser communications are summarized. Besides, project plans of space agencies and the recent... [more] WBS2014-4 SAT2014-6
pp.19-23(WBS), pp.27-31(SAT)
SAT 2013-10-24
13:25
Fukuoka IP CITY HOTEL Fukuoka On very small satellite mission SOCRATES for space optical communication experiment
Maki Akioka, Yoshihisa Takayama, Yoshisada Koyama (NICT), Akira Miyake, Mamoru Yamada (AES) SAT2013-36
We are developing very small satellite mission SOCRATES (Space Optical Communication Research Advanced Technology Satell... [more] SAT2013-36
pp.33-37
AP, SAT
(Joint)
2013-07-24
10:55
Hokkaido Sun Refre Hakodate Concept of terrestrial free-space laser communications network for future airborne- and satellite-based laser communication projects
Morio Toyoshima, Yasushi Munemasa, Hideki Takenaka, Yoshihisa Takayama, Yoshisada Koyama, Hiroo Kunimori, Toshihiro Kubo-oka, Kenji Suzuki, Shinichi Yamamoto, Shinichi Taira, Hiroyuki Tsuji, Isao Nakazawa, Maki Akioka (NICT) SAT2013-11
The communication capacity of satellite communications becomes very large because of the higher performance of onboard s... [more] SAT2013-11
pp.1-4
WBS, SAT
(Joint)
2013-05-16
16:35
Tochigi Utsunomiya Univ. [Special Talk] Perspectives of channel coding for satellite laser communications
Eiji Okamoto, Takuma Kyo, Hiroaki Inoue (Nagoya Inst. of Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) WBS2013-6 SAT2013-5
Satellite laser communication, whose transmission channel characteristics are different from those of radio-frequency ch... [more] WBS2013-6 SAT2013-5
pp.31-36(WBS), pp.25-30(SAT)
WBS, SAT
(Joint)
2013-05-17
10:30
Tochigi Utsunomiya Univ. Study on atmospheric turbulence for laser communications for micro-satellites and its applicability to the satellite communications scenario
Morio Toyoshima, Yasushi Munemasa, Hideki Takenaka, Yoshihisa Takayama, Yoshisada Koyama, Toshihiro Kubo-oka, Hiroo Kunimori, Maki Akioka (NICT) SAT2013-6
 [more] SAT2013-6
pp.31-38
WBS, SAT
(Joint)
2013-05-17
10:55
Tochigi Utsunomiya Univ. Optical data transmission demonstration performed from a moving vehicle
Yoshihisa Takayama, Hideki Takenaka, Yoshisada Koyama, Hiroo Kunimori, Morio Toyoshima, Kohei Mizutani (NICT), Motoaki Shimizu, Toshiaki Yamashita (NEC) SAT2013-7
An optical data transmission demonstration performed from a moving vehicle to a fixed optical ground station is introduc... [more] SAT2013-7
pp.39-43
WBS, SAT
(Joint)
2013-05-17
11:20
Tochigi Utsunomiya Univ. Radiation Tolerance Evaluation SH-4A for SOTA (Small Optical TrAnsponder)
Maki Akioka, Yoshisada Koyama, Yoshihisa Takayama (NICT), Hisashi Kitamura (NIRS), Ken Maeda (NEC), Tomohiro Ishiwa, Susumu Mitsuishi (NT Space) SAT2013-8
 [more] SAT2013-8
pp.45-49
SAT, RCS
(Joint)
2012-08-31
10:40
Kochi Kochi City Cultura-Plaza CUL-PORT Multi-rate LDGM block transmission scheme for satellite laser communications
Takuma Kyo, Eiji Okamoto (NIT), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2012-27
A satellite laser communication, which provides high-speed and high-capacity satellite communications, draws much attent... [more] SAT2012-27
pp.55-60
AP, SAT
(Joint)
2012-07-27
09:30
Hokkaido Hokkaido Univ. Studies for simplified optical ground station
Yoshihisa Takayama, Hiroo Kunimori, Hideki Takenaka, Yoshisada Koyama, Morio Toyoshima (NICT) SAT2012-14
 [more] SAT2012-14
pp.37-42
NS 2012-05-17
15:00
Tokyo National Institute of Informatics A Performance Evaluation of TCP-FSO over Free-Space Optical Link
Yohei Hasegawa, Yasuhiro Mizukoshi (NEC Corp.), Yoshihisa Takayama, Morio Toyoshima (NICT) NS2012-19
In this paper, we discuss field test results of TCP-FSO which is a customized transport protocol for Free-Space-Optical ... [more] NS2012-19
pp.17-22
SAT, SANE
(Joint)
2012-02-16
16:25
Mie   Laser transmission demonstration by using the engineering model of the Small Optical Transponder (SOTA-EM)
Yoshihisa Takayama, Takashi Sasaki, Hideki Takenaka, Yoshisada Koyama, Morio Toyoshima (NICT), Takao Yokota (NEC) SAT2011-69
 [more] SAT2011-69
pp.25-29
SAT, SANE
(Joint)
2012-02-16
16:50
Mie   An improvement of rate estimation algorithm in the multi-rate LDGM code for the satellite laser communications
Takuma Kyo, Eiji Okamoto (NIT), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-70
A satellite laser communication, one of the satellite communication techniques providing high-speed and high-capacity co... [more] SAT2011-70
pp.31-36
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