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| Paper Abstract and Keywords | ||
| Presentation | 2015-02-19 15:45 A study on evaluation model for efficiency of frequency sharing in satellite and terrestrial network combination system Naoki Miyashita, Hiroki Nishiyama, Nei Kato (Tohoku Univ.)  SAT2014-69 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, in order to improve the exhaustion of the frequency in the terrestrial network, satellite and terrestrial network combination system have been attracted much attention. In this combination system, the assigned frequency band of satellite communication is distributed to satellite and terrestrial network, so it is possible to improve the problem. Also, the area such as mountain region and sea is hard to deploy the base stations. Since satellite has broad coverage, users can communication with satellite there. Furthermore, if terrestrial infrastructure is destroyed when the natural disaster strikes, there is big demand to communicate but many users cannot communicate with someone. In this time, satellite have no damage because it is in space. By distributing assigned frequency band of destroyed terrestrial network to satellite network, many users can reliable communicate with someone. In frequency distribution, the exhaustion of the frequency is improved when the frequency band is distributed to terrestrial network. However, in the case satellite and terrestrial network is distributed the duplicate frequency band, the interference occur and frequency efficiency is decreased in the combination system. In this study, we propose a determination of the frequency distribution for maximizing frequency efficiency considering interference in satellite and terrestrial network combination system. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | satellite / terrestrial / frequency distribution / interference / frequency efficiency / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 449, SAT2014-69, pp. 109-114, Feb. 2015. | |
| Paper # | SAT2014-69 | |
| Date of Issue | 2015-02-11 (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 | SAT2014-69 |
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| Conference Information | |
| Committee | SANE SAT |
| Conference Date | 2015-02-18 - 2015-02-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawaken Shichoson Jichikaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite application and general |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2015-02-SANE-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on evaluation model for efficiency of frequency sharing in satellite and terrestrial network combination system |
| Sub Title (in English) | |
| Keyword(1) | satellite |
| Keyword(2) | terrestrial |
| Keyword(3) | frequency distribution |
| Keyword(4) | interference |
| Keyword(5) | frequency efficiency |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Naoki Miyashita |
| 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 | 2015-02-19 15:45:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2014-69 |
| Volume (vol) | vol.114 |
| Number (no) | no.449 |
| Page | pp.109-114 |
| #Pages | 6 |
| Date of Issue | 2015-02-11 (SAT) |
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