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| Paper Abstract and Keywords | ||
| Presentation | 2022-06-15 11:00 Two-Step Dynamic Cell Optimization Algorithm for HAPS Mobile Communications Yohei Shibata (SB/Keio), Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB), Tomoaki Ohtsuki (Keio)  RCS2022-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | HAPS (High-Altitude Platform Station) attracts attention as a new communication platform that provides wide-area communication services directly to smartphones on the ground from the stratosphere. We proposed a co-evolutionary dynamic cell optimization algorithm for non-uniform user distributions. The coverage area is divided into multiple sub-areas to reduce the number of parameters to optimize at a time. Furthermore, reducing the search range of each parameter is also effective in reducing the search space. In this paper, we propose a two-step cell optimization algorithm based on a co-evolutionary dynamic cell optimization algorithm that comprises a search space reduction step and an optimization step. The search space is reduced based on a marginal histogram obtained by a large step size optimization. Simulation results show that the proposed algorithm increases the average improvement of the objective function value defined as a sum of the root square of the throughput while reducing the average number of combinations for a nine-cell configuration. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | HAPS / Cell Configuration / Optimization / Genetic Algorithm / User Distribution / Coevolutionary Algorithm / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 73, RCS2022-27, pp. 19-24, June 2022. | |
| Paper # | RCS2022-27 | |
| Date of Issue | 2022-06-08 (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 | RCS2022-27 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2022-06-15 - 2022-06-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of the Ryukyus, Senbaru Campus and online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2022-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Two-Step Dynamic Cell Optimization Algorithm for HAPS Mobile Communications |
| Sub Title (in English) | |
| Keyword(1) | HAPS |
| Keyword(2) | Cell Configuration |
| Keyword(3) | Optimization |
| Keyword(4) | Genetic Algorithm |
| Keyword(5) | User Distribution |
| Keyword(6) | Coevolutionary Algorithm |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yohei Shibata |
| 1st Author's Affiliation | SoftBank/Keio University (SB/Keio) |
| 2nd Author's Name | Wataru Takabatake |
| 2nd Author's Affiliation | SoftBank (SB) |
| 3rd Author's Name | Kenji Hoshino |
| 3rd Author's Affiliation | SoftBank (SB) |
| 4th Author's Name | Atsushi Nagate |
| 4th Author's Affiliation | SoftBank (SB) |
| 5th Author's Name | Tomoaki Ohtsuki |
| 5th Author's Affiliation | Keio University (Keio) |
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| Speaker | Author-1 |
| Date Time | 2022-06-15 11:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2022-27 |
| Volume (vol) | vol.122 |
| Number (no) | no.73 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2022-06-08 (RCS) |
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