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| Paper Abstract and Keywords | ||
| Presentation | 2016-02-16 09:55 A Study on Data Transfer Rate Considering Downlink Condition for the LEO Optical Satellite Network Yoshiki Shino, Hiroki Nishiyama, Nei Kato (Tohoku Univ.)  SAT2015-64 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, the data from observation equipment mounted on satellites have increased with technological advancements. %In the future, it will be impossible to downlink the observed data by radio frequency communication. Satellite optical communication has attracted much attention to significantly increase downlink capacity. The wavelength of laser light is very short. Therefore optical communication has several advantages such as an increase in transmission capacity, reduction of antenna size, improvement in energy efficiency and so on. However, satellite optical communication has two problems. First, the satellites can only communicate for a short time with ground base station due to fast orbital speed. Second, the optical links sometimes cannot communicate with ground base station because laser light is greatly affected by weather. %To resolve these problems, there is plan to launch a geostationary orbit satellite, that can relay observed data from observation satellites to ground base station. %However, it is difficult to establish the links between geostationary satellite and observation satellite owing to distance of the links. %Besides, launching a satellite to the geostationary orbit requires high cost. Therefore, in this study, we propose a method to downlink observed data by using Low Earth Orbit (LEO) satellites network. We specifically propose a method to distribute observed data effectively among satellites by utilizing information of satellite position and weather to maximize downlink data size between satellite and ground base station. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | satellite optical communication / LEO optical satellite network / inter satellite links / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 448, SAT2015-64, pp. 7-10, Feb. 2016. | |
| Paper # | SAT2015-64 | |
| Date of Issue | 2016-02-09 (SAT) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SAT2015-64 |
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| Conference Information | |
| Committee | SAT SANE |
| Conference Date | 2016-02-16 - 2016-02-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hiroshima Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite Application and General |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2016-02-SAT-SANE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Data Transfer Rate Considering Downlink Condition for the LEO Optical Satellite Network |
| Sub Title (in English) | |
| Keyword(1) | satellite optical communication |
| Keyword(2) | LEO optical satellite network |
| Keyword(3) | inter satellite links |
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| 1st Author's Name | Yoshiki Shino |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Hiroki Nishiyama |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Nei Kato |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2016-02-16 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2015-64 |
| Volume (vol) | vol.115 |
| Number (no) | no.448 |
| Page | pp.7-10 |
| #Pages | 4 |
| Date of Issue | 2016-02-09 (SAT) |
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