Presentation 2020-02-20
A Study on Power Control Method Using Q-learning to Extend Life of Satellite-Borne Batteries in Low-Earth Orbit Satellite Communication System
Hikaru Tsuchida, Yuichi Kawamoto, Nei Kato, Kazuma Kaneko, Shigenori Tani, Shigeru Uchida, Hiroshi Aruga,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Recently, there is an increasing demand for satellite communication networks on a global scale. Therefore, low-Earth orbit satellite constellation that covers the entire surface of the earth by cooperation among many small satellites has attracted attention. LEO satellites consume power when communicating with a ground terminal. However, in the shade area where sunlight does not reach, these satellites must operate using battery energy only. The power consumption during these periods places a heavy load on the satellite battery and can shorten their lifetimes. The shortened life of the on-board battery causes an increase in communication cost for the satellite communication network. In this study, we apply Q-learning to the power allocation problem in satellite-to-ground communication using LEO satellites. Using this method, we can extend the lifetime of the LEO satellite battery by sharing the workload of overworked satellites with adjacent satellites with a lower load.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) LEO satellite constellation / satellite communication / battery lifetime / power control
Paper # SAT2019-82
Date of Issue 2020-02-12 (SAT)

Conference Information
Committee SAT / SANE
Conference Date 2020/2/19(2days)
Place (in Japanese) (See Japanese page)
Place (in English)
Topics (in Japanese) (See Japanese page)
Topics (in English)
Chair Fumihiro Yamashita(NTT) / Akitsugu Nadai(NICT)
Vice Chair Hisashi Sujikai(NHK) / Hiroyasu Ishikawa(Nihon Univ.) / Hiroyoshi Yamada(Niigata Univ.) / Makoto Tanaka(Tokai Univ.)
Secretary Hisashi Sujikai(NTT) / Hiroyasu Ishikawa(NHK) / Hiroyoshi Yamada(Univ. of Electro-Comm.) / Makoto Tanaka(Mitsubishi Electric)
Assistant Shinobu Nanba(KDDI Research) / Takuya Okura(NICT) / Ryo Natsuaki(Univ. of Tokyo) / Masato Yamanashi(Mitsubishi Space Software) / Shunichi Futatsumori(ENRI)

Paper Information
Registration To Technical Committee on Satellite Telecommunications / Technical Committee on Space, Aeronautical and Navigational Electronics
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Power Control Method Using Q-learning to Extend Life of Satellite-Borne Batteries in Low-Earth Orbit Satellite Communication System
Sub Title (in English)
Keyword(1) LEO satellite constellation
Keyword(2) satellite communication
Keyword(3) battery lifetime
Keyword(4) power control
1st Author's Name Hikaru Tsuchida
1st Author's Affiliation Tohoku University(Tohoku Univ.)
2nd Author's Name Yuichi Kawamoto
2nd Author's Affiliation Tohoku University(Tohoku Univ.)
3rd Author's Name Nei Kato
3rd Author's Affiliation Tohoku University(Tohoku Univ.)
4th Author's Name Kazuma Kaneko
4th Author's Affiliation Mitsubishi Electric Corporation(MELCO)
5th Author's Name Shigenori Tani
5th Author's Affiliation Mitsubishi Electric Corporation(MELCO)
6th Author's Name Shigeru Uchida
6th Author's Affiliation Mitsubishi Electric Corporation(MELCO)
7th Author's Name Hiroshi Aruga
7th Author's Affiliation Mitsubishi Electric Corporation(MELCO)
Date 2020-02-20
Paper # SAT2019-82
Volume (vol) vol.119
Number (no) SAT-417
Page pp.pp.75-80(SAT),
#Pages 6
Date of Issue 2020-02-12 (SAT)