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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 21 - 40 of 60 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
SAT 2011-12-13
13:55
Aichi Nagoya University Acquisition and tracking in inter-satellite communication with dynamically reconfigurable optical device
Kaori Nishimaki, Atsushi Okamoto, Yuta Wakayama, Akihisa Tomita (Hokkaido Univ.), Yoshihisa Takayama (NICT) SAT2011-62
We propose an innovative acquisition and tracking system using a dynamically reconfigurable optical device for optical i... [more] SAT2011-62
pp.137-140
SAT 2011-12-13
14:20
Aichi Nagoya University Effective Deployment of the Optical Ground Stations in Satellite-Ground Laser Communications -- Mitigation of the Clouds Influence by the Site-Diversity Scheme --
Hirotsugu Ninomiya (Tokyo Metropolitan Univ.), Yoshihisa Takayama (NICT), Hajime Fukuchi (Tokyo Metropolitan Univ.) SAT2011-63
The effective deployment of the optical ground stations (OGSs) for future laser communication network construction is pr... [more] SAT2011-63
pp.141-146
SAT 2011-12-13
14:45
Aichi Nagoya University Studies for simplified optical ground stations by using multimodes fibers
Yoshihisa Takayama, Yoshisada Koyama, Morio Toyoshima (NICT) SAT2011-64
 [more] SAT2011-64
pp.147-151
OCS, OFT, ITE-BCT, IEE-CMN
(Joint) [detail]
2011-11-18
12:15
Shimane Shimane Univ. Evaluation of Maximal-Ratio-Combining Algorithm for single-polarization QPSK format with Elliptic polarization
Kazuomi Endo, Yoichi Hashimoto, Takeyoshi Tanaka, Toru Takamichi, Kiyoshi Fukuchi (NEC), Morio Toyoshima, Yoshihisa Takayama (NICT) OCS2011-101
Single Polarization high-speed optical transmission is important for bidirectional free-space optical communication syst... [more] OCS2011-101
pp.49-54
RCS, SAT
(Joint)
2011-08-25
09:00
Niigata Niigata Univ. [Requested Talk] LEO-to-ground optical link channel model and the performance improvement by LDGM code
Eiji Okamoto, Takuma Kyo (Nagoya Inst.Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-16 RCS2011-111
Satellite laser communication is expected as one of the next generation wireless systems because it enables to construct... [more] SAT2011-16 RCS2011-111
pp.1-6
RCS, SAT
(Joint)
2011-08-25
09:30
Niigata Niigata Univ. A multi-hop cooperative transmission scheme using LDGM codes for deep space-to-ground optical link
Takuma Kyo, Eiji Okamoto (NIT), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-17 RCS2011-112
A multi-hop cooperative network is one of transmission systems which have been studied with forward error
correction (F... [more]
SAT2011-17 RCS2011-112
pp.7-12
RCS, SAT
(Joint)
2011-08-25
09:55
Niigata Niigata Univ. A study on multi-rate transmission using LDGM code for satellite-to-ground laser communications
Eiji Okamoto, Hirotaka Matsuo, Takuma Kyo (Nagoya Inst.Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-18 RCS2011-113
In satellite laser communications, a long round-trip delay occurs due to the long distance of the satellite altitude fro... [more] SAT2011-18 RCS2011-113
pp.13-17
SANE 2011-06-24
13:15
Ibaraki Tsukuba Space Center (JAXA) Development of a small optical transponder and recent discussions on space laser communications
Yoshihisa Takayama, Morio Toyoshima, Yoshisada Koyama, Hideki Takenaka, Maki Akioka (NICT), Koichi Shiratama (NTSpace), Ichiro Mase, Osamu Kawamoto (NEC) SANE2011-37
 [more] SANE2011-37
pp.117-121
SANE, SAT
(Joint)
2011-02-25
14:55
Hyogo NICT Kobe Research Laboratories Studies on operation algorithms for triaxial optical ground station
Yoshihisa Takayama, Yoshisada Koyama, Yozo Shoji, Morio Toyoshima (NICT) SAT2010-91
An approach to control the pointing direction of a telescope in which one more rotation axis is added to the conventiona... [more] SAT2010-91
pp.91-95
SANE, SAT
(Joint)
2011-02-25
15:30
Hyogo NICT Kobe Research Laboratories Study on high speed mobile laser communications and secure global quantum key distribution technology
Morio Toyoshima, Takashi Sasaki, Hideki Takenaka, Yoshihisa Takayama, Mikio Fujiwara, Masahiro Takeoka, Masahide Sasaki, Zhen Wang, Shigehito Miki, Taro Yamashita, Hidema Tanaka, Atsushi Waseda, Seiho Uratsuka, Toshihiko Umehara, Jyunpei Uemoto (NICT) SANE2010-167
National Institute of Information and Communications Technology (NICT) successfully developed the quantum entanglement s... [more] SANE2010-167
pp.49-51
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