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| Presentation | 2023-01-19 12:05 5G radio wave propagation analysis in a city model by large-scale FDTD simulation using the supercomputer "Fugaku" Yoichi Kochibe, Naoki Ebata, Takashi Yamagajo, Wataru Odajima, Hiroaki Watanabe, Hikaru Inoue (Fujitsu)  AP2022-182 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the utilization of the radio communication technology such as the service start of the fifth-generation mobile communication system (5G) and the development of the radio communication technology between vehicles and road vehicles in ITS (Intelligent Transport Systems) is expanding more and more. At that time, the actual received signal quality varies complicatedly according to peripheral structures, landform, number of other vehicles in the periphery, distance from transmitting vehicles, etc. Therefore, there is a problem in the realization of the stable communication which contributes to the automatic operation system. Until now, it is general to evaluate the communication quality of 5G by the simulation by the ray trace method in addition to the evaluation by the measurement. However, since the ray tracing method is an approximate solution method, there was a limit in the obtained analysis accuracy in the condition with the complicated shape. Then, this time, using a supercomputer Fugaku, an exact radio wave propagation analysis by FDTD method simulation was carried out in a space around an intersection in an urban area as an analysis area and for roadside-to-vehicle communication by 5G (4.7 GHz), to verify its effectiveness. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 5G / V2X / FDTD method / High Performance Computing / radio wave propagation / transmission loss / delay spread / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 339, AP2022-182, pp. 30-32, Jan. 2023. | |
| Paper # | AP2022-182 | |
| Date of Issue | 2023-01-12 (AP) | |
| 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 | AP2022-182 |
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| Conference Information | |
| Committee | AP WPT |
| Conference Date | 2023-01-19 - 2023-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hiroshima Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Radio propagation, Wireless transmission technology, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2023-01-AP-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | 5G radio wave propagation analysis in a city model by large-scale FDTD simulation using the supercomputer "Fugaku" |
| Sub Title (in English) | |
| Keyword(1) | 5G |
| Keyword(2) | V2X |
| Keyword(3) | FDTD method |
| Keyword(4) | High Performance Computing |
| Keyword(5) | radio wave propagation |
| Keyword(6) | transmission loss |
| Keyword(7) | delay spread |
| Keyword(8) | |
| 1st Author's Name | Yoichi Kochibe |
| 1st Author's Affiliation | Fujitsu Limited (Fujitsu) |
| 2nd Author's Name | Naoki Ebata |
| 2nd Author's Affiliation | Fujitsu Limited (Fujitsu) |
| 3rd Author's Name | Takashi Yamagajo |
| 3rd Author's Affiliation | Fujitsu Limited (Fujitsu) |
| 4th Author's Name | Wataru Odajima |
| 4th Author's Affiliation | Fujitsu Limited (Fujitsu) |
| 5th Author's Name | Hiroaki Watanabe |
| 5th Author's Affiliation | Fujitsu Limited (Fujitsu) |
| 6th Author's Name | Hikaru Inoue |
| 6th Author's Affiliation | Fujitsu Limited (Fujitsu) |
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| Speaker | Author-1 |
| Date Time | 2023-01-19 12:05:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2022-182 |
| Volume (vol) | vol.122 |
| Number (no) | no.339 |
| Page | pp.30-32 |
| #Pages | 3 |
| Date of Issue | 2023-01-12 (AP) |
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