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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 32  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, CS
(Joint)
2024-01-11
14:45
Kagoshima   Coverage expansion of 920MHz band multi-hop wireless communication underwater using optical wireless technologies
Ryusei Oikawa, Nagataka Higaki, Naoto Yoshimoto (CIST) OCS2023-58
Recently the need for real-time sensing of underwater environments is increasing. Multi-hop wireless communications usin... [more] OCS2023-58
pp.7-12
NS, RCS
(Joint)
2023-12-14
13:15
Fukuoka Kyushu Institute of Technology Tobata campus, and Online
(Primary: On-site, Secondary: Online)
[Invited Talk] Ultra-High-Speed TCP for Specific Environments -- Research, Development, and Commercialization and Future Prospects --
Yohei Hasegawa (NEC Corp.) NS2023-131 RCS2023-184
We describes ultra-high-speed TCP/IP technology that has improved the data transfer speed of private (business) networks... [more] NS2023-131 RCS2023-184
pp.35-40
PN 2023-11-16
15:30
Ehime
(Primary: On-site, Secondary: Online)
[Invited Talk] Free-space optical communications using photonic-crystal surface-emitting lasers
Shota Ishimura (KDDI Research.), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research.), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research.), Susumu Noda (Kyoto Univ.) PN2023-41
Recently, the application of optical communication in space has been actively discussed. Compared to microwaves or milli... [more] PN2023-41
pp.27-32
PN 2023-08-29
13:00
Hokkaido
(Primary: On-site, Secondary: Online)
[Invited Talk] Development of wireless-optical fusion communication systems for ultra-broadband beyond-5G wireless network
Hiroshi Murata, Yui Otagaki (Mie Univ.), Ken-ichi Kashima, Ryotaro Manabe (Hitachi Kokusai Electric), Atsunobu Ota (Kyoto Semiconductor), Takehiro Tsuritani, Kosuke Nishimura, Hidenori Takahashi, Hotaka Hayashi (KDDI Research), Yukihiko Suga, Bekkali Abdelmoula, Michikazu Hattori, Yuichiro Hara (Toyo Electric) PN2023-20
In the next generation (Beyond-5G/6G) wireless mobile communication systems, advanced performances for high-speed data t... [more] PN2023-20
pp.19-22
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)
2023-03-02
10:30
Okinawa
(Primary: On-site, Secondary: Online)
Evaluation of the communication quality with Forward Error Correction and Delay Tolerant Networking
Hiromitsu Komatsu, Kai Suzuki (Sony CSL), Kiyohisa Suzuki, Yu Morinaga (JAXA) SAT2022-58
Non-terrestrial networks (NTN) using satellites and stratospheric platforms are required to expand Internet coverage and... [more] SAT2022-58
pp.17-21
OPE, LQE, OCS 2022-11-18
16:05
Online Online [Special Invited Talk] Proposal and Demonstration of Free-Space Optical Communication Using Lens-Free Photonic-Crystal Surface-Emitting Laser
Shota Ishimura (KDDI Research), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research), Susumu Noda (Kyoto Univ.) OCS2022-57 OPE2022-92 LQE2022-55
In this talk, we present the first demonstration of free-space optical (FSO) communication using a photonic-crystal surf... [more] OCS2022-57 OPE2022-92 LQE2022-55
pp.25-29
SAT, RCS
(Joint)
2022-08-25
15:10
Hokkaido
(Primary: On-site, Secondary: Online)
[Invited Lecture] Research, development, and demonstration of a compact optical communication system based on optical disk technology
Hiroaki Yamazoe, Kyohei Iwamoto (Sony CSL) SAT2022-34 RCS2022-109
Free-space optical communication is expected to be a fundamental technology for realizing Beyond 5G/6G. Since laser ligh... [more] SAT2022-34 RCS2022-109
pp.30-35(SAT), pp.66-71(RCS)
SANE 2022-05-24
15:00
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp.
(Primary: On-site, Secondary: Online)
Applications of Optical Communication Technologies to Space/Defense Areas
Yoshiaki Konishi, Junya Nishioka, Takatoshi Akamatsu, Keisuke Matsuda, Hayato Sano, Yukari Takada, Shota Koshikawa, Masashi Binkai, Yuta Binkai, Tsuyoshi Yoshiad, Naoki Suzuki (Mitsubishi Electric) SANE2022-10
High-capacity fiber-optic communication systems employ coherent detection assisted by digital signal processing, called ... [more] SANE2022-10
pp.50-55
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2021-11-19
11:15
Online Online [Invited Talk] Recent progress of coherent free-space optical communications
Chao Zhang (Shimane Univ.), Kota Uyama, Zheyuan Zhang, Sze Yun Set, Shinji Yamashita (Univ. of Tokyo) OFT2021-54
Free-space optical communication is preferred for its advantages over radio frequency wireless communication, such as no... [more] OFT2021-54
pp.17-22
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
CS, CQ
(Joint)
2021-05-13
13:40
Online On-line [Invited Talk] Free-space optical communications for beyond 5G
Michikazu Hattori, Hideo Fujita, Bekkali Abdelmoula (toyo-elec) CS2021-2 CQ2021-8
The mobile communications traffic volume has increased dramatically due to changes in lifestyles with Internet, and it i... [more] CS2021-2 CQ2021-8
pp.4-8(CS), pp.38-42(CQ)
OPE, OCS, OFT
(Joint) [detail]
2021-02-19
09:25
Online Online The detection method of incoherent light using optical fiber
Yuyuan Cheng, Naoto Kishi (UEC) OFT2020-62 OPE2020-83
In a visible light communication system, detection of diverged optical signal in space is required after confirming the ... [more] OFT2020-62 OPE2020-83
pp.30-33(OFT), pp.35-38(OPE)
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, 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)
SANE, SAT
(Joint)
2019-02-14
14:00
Kagoshima Tanegashima Island Design of a Space-Grade 10 Gbit/s Free-Space Optical Communication Component and a Telemetry Tracking and Command Data Unit for an Optical Feeder Link System
Hideaki Kotake, Junichi Nakamura, Takuo Goda, Yoichi Hashimoto, Yutaka Oshima (NEC) SAT2018-64
We have been working on research and development of a space-grade 10 Gbit/s free-space optical communication system to a... [more] SAT2018-64
pp.41-46
SANE, SAT
(Joint)
2019-02-14
14:50
Kagoshima Tanegashima Island A Data Transfer Throughput Model with Ultra-High-Speed TCP and Adaptive Frame Repetition for Free-Space Optical Satellite Communications
Yohei Hasegawa, Toshiharu Ito, Yoshimasa Ono, Manabu Arikawa (NEC Corp.) SAT2018-66
We discuss a performance model for TCP/IP data transfer throughput over free-space optical satellite communications (FSO... [more] SAT2018-66
pp.53-58
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
CS 2017-11-17
10:00
Kumamoto Aso Plaza Hotel N -Stream Superimposed System with m-point DFT for Visible Light Communication
Syuto Kibe, Koji Kamakura (CIT), Takaya Yamazato (Nagoya Univ.) CS2017-58
This paper proposes an ${N}$-stream superimposed system for
image-sensor-based visible light communications (IS-based V... [more]
CS2017-58
pp.21-26
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
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