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

Hiromitsu Komatsu; Shinji Ohta; Hiroaki Yamazoe; Yasushi Kubo; Takashi Nakao; Taiji Ito; Daiki Koda; Hirotaka Sawada; Toshitami Ikeda; Yasushi Munemasa; Hiroo Kunimori; Toshihiro Kubooka; Morio Toyoshima; Kyohei Iwamoto

doi:10.1117/12.2551257

2 March 2020 In-orbit experimental architecture design of bi-directional communication with a small optical communication terminal attached on ISS and an optical ground station

Hiromitsu Komatsu, Shinji Ohta, Hiroaki Yamazoe, Yasushi Kubo, Takashi Nakao, Taiji Ito, Daiki Koda, Hirotaka Sawada, Toshitami Ikeda, Yasushi Munemasa, Hiroo Kunimori, Toshihiro Kubooka, Morio Toyoshima, Kyohei Iwamoto

Author Affiliations +

Proceedings Volume 11272, Free-Space Laser Communications XXXII; 112720C (2020) https://doi.org/10.1117/12.2551257
Event: SPIE LASE, 2020, San Francisco, California, United States

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.

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Hiromitsu Komatsu, Shinji Ohta, Hiroaki Yamazoe, Yasushi Kubo, Takashi Nakao, Taiji Ito, Daiki Koda, Hirotaka Sawada, Toshitami Ikeda, Yasushi Munemasa, Hiroo Kunimori, Toshihiro Kubooka, Morio Toyoshima, and Kyohei Iwamoto "In-orbit experimental architecture design of bi-directional communication with a small optical communication terminal attached on ISS and an optical ground station", Proc. SPIE 11272, Free-Space Laser Communications XXXII, 112720C (2 March 2020); https://doi.org/10.1117/12.2551257

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