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Proceedings Paper

In-orbit experimental architecture design of bi-directional communication with a small optical communication terminal attached on ISS and an optical ground station
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Paper Abstract

Recent technology trends of cost reduction of launch and satellite miniaturization are leading cutting-edge applications such as earth observation and communication with satellite constellation. Miniaturization of the communication terminal, light weight and low power consumption are required to the communication terminal on small satellites. Free space optical communication is expected approach to realize high data rate communication system on small satellites. Sony and Japan Aerospace Exploration Agency (JAXA) have experimentally verified the fundamental functions of the small optical communication terminal with optical disk technology for small satellites since 2016. Following this basic study, Sony Computer Science Laboratories, Inc. (Sony CSL) has jointly studied in orbit experiment of the small optical communication terminal with JAXA. To verify its functions in-orbit promptly, we have tried to utilize IVA-replaceable Small Exposed Experiment Platform(i-SEEP) attached to Japanese Experiment Module (JEM) on International Space Station (ISS). The developed small optical communication terminal (SOLISS) is connected to i-SEEP and SOLISS is designed to verify bi-directional communication with free-space optical technology capable of 100 Mbps Ethernet frame data transfer between SOLISS and the optical ground station. For the optical ground station connecting with SOLISS, Sony CSL also conducts a joint research project with National Institute of Information and Communications Technology (NICT). To establish the optical communication link, telemetry and commanding through ISS, controlling of the optical ground station and SOLISS are designed. This article discusses the system architecture for in-orbit experimentation of bi-directional optical communication between SOLISS and the optical ground station.

Paper Details

Date Published: 2 March 2020
PDF: 8 pages
Proc. SPIE 11272, Free-Space Laser Communications XXXII, 112720C (2 March 2020);
Show Author Affiliations
Hiromitsu Komatsu, Sony Computer Science Labs., Inc. (Japan)
Japan Aerospace Exploration Agency (Japan)
Shinji Ohta, Sony Computer Science Labs., Inc. (Japan)
Hiroaki Yamazoe, Sony Computer Science Labs., Inc. (Japan)
Yasushi Kubo, Sony Computer Science Labs., Inc. (Japan)
Takashi Nakao, Sony Computer Science Labs., Inc. (Japan)
Taiji Ito, Sony Computer Science Labs., Inc. (Japan)
Daiki Koda, Japan Aerospace Exploration Agency (Japan)
Hirotaka Sawada, Japan Aerospace Exploration Agency (Japan)
Toshitami Ikeda, Japan Aerospace Exploration Agency (Japan)
Yasushi Munemasa, National Institute of Information and Communications Technology (Japan)
Hiroo Kunimori, National Institute of Information and Communications Technology (Japan)
Toshihiro Kubooka, National Institute of Information and Communications Technology (Japan)
Morio Toyoshima, National Institute of Information and Communications Technology (Japan)
Kyohei Iwamoto, Sony Computer Science Labs., Inc. (Japan)
Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 11272:
Free-Space Laser Communications XXXII
Hamid Hemmati; Don M. Boroson, Editor(s)

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