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| Presentation | 2023-08-31 15:30 [Encouragement Talk] Two-Way Transmission Technology Using HAPS Relay Station in Space-Air-Ground Integrated Networks and Future Prospects Masaki Takahashi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.)  SAT2023-40 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the 6G era, it is necessary to reduce dependence on terrestrial networks by developing a communications infrastructure that can stand alone in space and the stratosphere to reduce the cost of maintaining base stations in remote areas and emergency response to disasters, which are expected to increase. Accordingly, the Space-Air-Ground Integrated Network (SAGIN), which is a multi-layered network of satellites, aerial objects such as high-altitude platform stations (HAPSs) and ground terminals, has attracted much attention as a network that is expected to contribute to the above needs and the coverage extension. In order to improve communication quality compared to direct transmission between a satellite and a group of ground terminals, our research group has conceived of two-way transmission between a satellite and ground terminals using a HAPS as a relay base station, and has proposed the mathematical model that enables integrated control of the transmission power allocated by a HAPS relay station to both links according to the geographical distribution of communication requests at each group of ground terminals using the uplinks and downlinks. This paper introduces a case study of two-way transmission technology using the HAPS relay station to improve the communication quality between satellite and ground terminals in SAGIN and outlines the future prospects of this technology. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Space-Air-Ground Integrated Network / High-Altitude Platform Station / Two-way Relay Communication / Transmission Power Control / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 171, SAT2023-40, pp. 31-34, Aug. 2023. | |
| Paper # | SAT2023-40 | |
| Date of Issue | 2023-08-24 (SAT) | |
| ISSN | 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 | SAT2023-40 |
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| Conference Information | |
| Committee | RCS SAT |
| Conference Date | 2023-08-31 - 2023-09-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Naganoken Nokyo Building, and online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite Communications, Broadcasting, Forward Error Correction, Wireless Communications, etc. |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2023-08-RCS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Two-Way Transmission Technology Using HAPS Relay Station in Space-Air-Ground Integrated Networks and Future Prospects |
| Sub Title (in English) | |
| Keyword(1) | Space-Air-Ground Integrated Network |
| Keyword(2) | High-Altitude Platform Station |
| Keyword(3) | Two-way Relay Communication |
| Keyword(4) | Transmission Power Control |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Masaki Takahashi |
| 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.) |
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| Speaker | Author-1 |
| Date Time | 2023-08-31 15:30:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2023-40 |
| Volume (vol) | vol.123 |
| Number (no) | no.171 |
| Page | pp.31-34 |
| #Pages | 4 |
| Date of Issue | 2023-08-24 (SAT) |
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