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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 147  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, KOSST 2023-10-10
13:40
Overseas Central Hotel Marianne(Korea, Busan)
(Primary: On-site, Secondary: Online)
[Special Talk] Space Laser Communication Technology in Non-Terrestrial Networks
Dimitar Kolev, Hideaki Kotake, Alberto Carrasco-Casado, Koichi Shiratama, Yoshihiko Saito, Yasuhiro Takahashi, Toshihiro Kubooka, Fumie Ono, Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2023-48
 [more] SAT2023-48
pp.1-5
RCS, SAT
(Joint)
2023-08-31
15:55
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
[Encouragement Talk] Seasonal Performance Comparison of Ground-to-Satellite Optical Communication Using LUCAS Onboard the Optical Data Relay Satellite
Hideaki Kotake, Yuma Abe, Yasuhiro Takahashi, Go Otsuru, Tomoshige Kan, Dimitar Kolev, Yoshihiko Saito (NICT), Yohei Sato, Takamasa Itahashi, Shiro Yamakawa (JAXA), Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2023-41
 [more] SAT2023-41
pp.35-40
AP, SANE, SAT
(Joint)
2023-07-12
14:20
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
Construction of high-efficient information reconciliation method using fixed bit polar codes for continuous-variable quantum key distribution
Kensuke Yamaura (Nitech), Hiroyuki Endo (NICT), Eiji Okamoto (Nitech), Morio Toyoshima, Mikio Fujiwara, Masahide Sasaki (NICT) SAT2023-11
Continuous Variable Quantum Key Distribution (CV-QKD) is being studied for various applications, including satellite-to-... [more] SAT2023-11
pp.7-12
AP, SANE, SAT
(Joint)
2023-07-12
14:40
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
Improvement of key generation efficiency of free-space optical physical layer cryptography using polar code
Ryuto Terada (Nitech), Hiroyuki Endo (NICT), Kensuke Yamaura, Eiji Okamoto (Nitech), Mitsuo Kitamura (NICT), Ryosuke Shimizu (UEC), Morio Toyoshima, Mikio Hujiwara, Masahide Sasaki (NICT) SAT2023-12
Quantum key distribution is known as a secure key sharing technology against all physically possible attacks. However, t... [more] SAT2023-12
pp.13-18
SANE, SAT
(Joint)
2023-03-03
14:40
Okinawa
(Primary: On-site, Secondary: Online)
Development of 38GHz-band Wireless Communication System Using High Altitude Platform Station (HAPS) for 5G Network -- Basic evaluation of the lens antenna of 38GHz-band ground station antenna system --
Takuya Okura, Hiroyuki Tsuji, Ryu Miura, Tomoshige Kan, Takashi Matsuda, Morio Toyoshima (NICT), Jun Suzuki (SKY Perfect JSAT), Yoshihisa Kishiyama (NTT DOCOMO) SAT2022-69
 [more] SAT2022-69
pp.75-80
SAT, KOSST 2022-10-07
13:15
Fukuoka
(Primary: On-site, Secondary: Online)
[Special Talk] R&D for Satellite Communications and Non-terrestrial Networks toward Beyond-5G in NICT
Hiroyuki Tsuji, Amane Miura, Alberto Carrasco-Casado, Morio Toyoshima (NICT) SAT2022-52
In the Beyond 5G/6G era, it is expected to expand from terrestrial communications to a three dimensional (3D) communicat... [more] SAT2022-52
pp.42-44
SAT, RCS
(Joint)
2022-08-26
13:20
Hokkaido
(Primary: On-site, Secondary: Online)
[Special Talk] Activities and Future Prospects of Space ICT Promotion Initiative Forum (SPIF)
Morio Toyoshima, Yasuhiro Takahashi, Amane Miura (NICT), Hisanori Tsuji (Astroterrace), Akihiro Nakao, Shinichi Nakasuka (Univ. Tokyo) SAT2022-38 RCS2022-125
Activities on space communications and ICT have become very active and the number of companies related to the space ICT ... [more] SAT2022-38 RCS2022-125
pp.54-59(SAT), pp.161-166(RCS)
SAT, RCS
(Joint)
2022-08-26
15:20
Hokkaido
(Primary: On-site, Secondary: Online)
First Experimental Results on Ground-to-Satellite Optical Communications Using LUCAS Onboard Optical Data Relay Satellite
Hideaki Kotake, Yuma Abe, Yasuhiro Takahashi, Takuya Okura, Tetsuharu Fuse (NICT), Yohei Sato, Takamasa Itahashi, Shiro Yamakawa (JAXA), Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2022-41
The National Institute of Information and Communications Technology (NICT) and the Japan Aerospace Exploration Agency (J... [more] SAT2022-41
pp.65-70
SAT, RCS
(Joint)
2022-08-26
15:45
Hokkaido
(Primary: On-site, Secondary: Online)
Preliminary Analytical Results of Atmospheric Turbulence Parameters Using "LUCAS" Onboard Optical Data Relay Satellite
Yuma Abe, Hideaki Kotake, Yoshihiko Saito, Kolev Dimitar, Yasuhiro Takahashi, Takuya Okura, Tetsuharu Fuse (NICT), Yohei Satoh, Takamasa Itahashi, Shiro Yamakawa (JAXA), Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2022-42
 [more] SAT2022-42
pp.71-75
RCC, WBS, SAT, MICT 2022-05-26
13:00
Online Online Development of 38GHz-band Wireless Communication System Using High Altitude Platform Station (HAPS) for 5G Network -- Examination of the lens antenna of 38GHz-band ground station antenna system for HAPS --
Takuya Okura, Hiroyuki Tsuji, Ryu Miura, Tomoshige Kan, Takashi Matsuda, Morio Toyoshima (NICT), Jun Suzuki (SKY Perfect JSAT), Yoshihisa Kishiyama (NTT DOCOMO) WBS2022-6 RCC2022-6 SAT2022-6 MICT2022-6
 [more] WBS2022-6 RCC2022-6 SAT2022-6 MICT2022-6
pp.22-27
RCS, SAT
(Joint)
2021-08-27
10:55
Online Online [Encouragement Talk] Study on key-distillation system with adaptive polar codes in free-space quantum key distribution
Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) SAT2021-35
Quantum key distribution (QKD) is a cryptographic method that has been proven as secure against any physically allowable... [more] SAT2021-35
pp.37-42
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-14
15:20
Online Online [Invited Lecture] Research and Development of Satellite Communications in Non-terrestrial Network
Hiroyuki Tsuji, Amane Miura, Morio Toyoshima (NICT) RCC2021-27 NS2021-37 RCS2021-82 SR2021-25 SeMI2021-13
In recent years, the scope of communication has expanded from people to things, and it is essential to build a three-dim... [more] RCC2021-27 NS2021-37 RCS2021-82 SR2021-25 SeMI2021-13
pp.29-33(RCC), pp.31-35(NS), pp.31-35(RCS), pp.34-38(SR), pp.13-17(SeMI)
WBS, RCC, SAT, MICT
(Joint) [detail]
2021-05-20
13:25
Online Online (Zoom) The R&D of low-profile active electronically scanned array antenna for aircraft -- The evaluation experiment using aircraft of 512 elements array antenna of transmission side --
Takuya Okura, Tomoshige Kan, Mitsygu Okawa, Makio Tsuchiya, Takashi Takahashi, Hiroyuki Tsuji, Morio Toyoshima (NICT) WBS2021-7 RCC2021-7 SAT2021-7
 [more] WBS2021-7 RCC2021-7 SAT2021-7
pp.32-37
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)
SANE, SAT
(Joint)
2021-02-18
14:50
Online Online The R&D of low-profile active electronically steered array antenna for aircraft -- The design of 64 elements sub array antenna of receiver side --
Takuya Okura, Tomoshige Kan, Mitsugu Okawa, Teruaki Orikasa, Makio Tsuchiya, Takashi Takahashi, Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2020-32
 [more] SAT2020-32
pp.19-23
SAT 2020-12-11
10:50
Online Online The R&D of low-profile active electronically steered array antenna for aircraft -- The design of 512 elements array antenna of transmission side --
Takuya Okura, Tomoshige Kan, Mitsugu Okawa, Teruaki Orikasa, Makio Tsuchiya, Takashi Takahashi, Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2020-27
 [more] SAT2020-27
pp.24-28
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
AP, SANE, SAT
(Joint)
2020-07-15
15:05
Online Online Numerical investigation on the application of polar codes to free-space quantum key distribution
Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) SAT2020-5
Quantum key distribution (QKD) is a technology to securely share keys against any attack physically permitted, with the ... [more] SAT2020-5
pp.13-18
SAT, SANE
(Joint)
2020-02-20
10:00
Okinawa   Propagation Measurement for Mobile Satellite Communications Using WINDS at Okinawa
Tomoshige Kan, Byeongpyo Jeong, Takashi Takahashi, Hajime Susukita, Morio Toyoshima (NICT) SANE2019-108 SAT2019-75
National Institute of Information and Communications Technology (NICT) has developed a small-vehicle stations equipped w... [more] SANE2019-108 SAT2019-75
pp.61-64(SANE), pp.45-48(SAT)
 Results 1 - 20 of 147  /  [Next]  
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