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| Presentation | 2022-11-17 13:05 [Invited Lecture] Extreme coverage extension in 5G Evolution & 6G: Multi-layered non-terrestrial networks integrating terrestrial networks Yuki Hokazono, Hinata Kohara, Yuto Muroki, Kenji Fukasawa, Yoshihisa Kishiyama, Satoshi Nagata (NTT DOCOMO, INC.)  AP2022-167 RCS2022-178 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Non-terrestrial networks (NTNs) are promising to actualize extreme coverage extension whereby mobile communications can be made available in all locations that are not adequately covered by conventional mobile communications networks including the air, sea, and space. For various NTN use cases, it is necessary to consider both cost efficiency and network flexibility according to communication requirements. In this paper, we present multi-layered NTNs integrating terrestrial networks (TNs) that improve cost efficiency by sharing communication facilities and saving frequency resources while improving network flexibility by arranging NTN nodes with different characteristics in terms of performance and cost in three dimensions. We describe the issues and trends in both technical and institutional aspects for the practical use of multi-layered NTNs. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | NTN / GEO / LEO / HAPS / extreme coverage extension / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 252, RCS2022-178, pp. 136-136, Nov. 2022. | |
| Paper # | RCS2022-178 | |
| Date of Issue | 2022-11-08 (AP, RCS) | |
| 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 | AP2022-167 RCS2022-178 |
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| Conference Information | |
| Committee | RCS AP UWT |
| Conference Date | 2022-11-15 - 2022-11-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyushu University, and Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2022-11-RCS-AP-UWT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Extreme coverage extension in 5G Evolution & 6G: Multi-layered non-terrestrial networks integrating terrestrial networks |
| Sub Title (in English) | |
| Keyword(1) | NTN |
| Keyword(2) | GEO |
| Keyword(3) | LEO |
| Keyword(4) | HAPS |
| Keyword(5) | extreme coverage extension |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuki Hokazono |
| 1st Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
| 2nd Author's Name | Hinata Kohara |
| 2nd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
| 3rd Author's Name | Yuto Muroki |
| 3rd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
| 4th Author's Name | Kenji Fukasawa |
| 4th Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
| 5th Author's Name | Yoshihisa Kishiyama |
| 5th Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
| 6th Author's Name | Satoshi Nagata |
| 6th Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
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| Speaker | Author-1 |
| Date Time | 2022-11-17 13:05:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | AP2022-167, RCS2022-178 |
| Volume (vol) | vol.122 |
| Number (no) | no.251(AP), no.252(RCS) |
| Page | p.115(AP), p.136(RCS) |
| #Pages | 1 |
| Date of Issue | 2022-11-08 (AP, RCS) |
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