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| Presentation | 2015-06-24 13:20 Multihop relay field experiment using the VHF band broadband mobile communication system in rural area Kei Yanagisawa, Tatsuya Abe, Yoshihiro Kawashima, Kiyoshi Yamamoto, Masayuki Takekawa, Masayuki Ishizaki, Tomohiro Nozaki, Junya Dosaka, Masahiro Asano, Kazue Kato (Hitachi Kokusai), Hiroshi Harada, Keiichi Mizutani (Kyoto Univ.)  RCS2015-48 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper describes results of relay connection test using a single frequency channel relay system in NLoS (Non-Line-of-Sight) environment of VHF (Very High Frequency) band in the rural areas (mountain area). We performed field test using wireless equipment based on ARIB STD-T103 OFDMA system for an extraordinary radio line construction in the event of a disaster. In the disaster scenario, the antenna height should be restricted to several meters and radio propagation environment tends to be NLoS, since the system should be swiftly deployed in limited locations. The system using in this test is possible to connect for longer distance by utilizing a radio wave propagation characteristics of the VHF band in NLoS environment, and to realize a more long-distance communication by relay connection. In this test, we confirmed that the broadband transmission between two locations with 6.2 km by a two-hop relay connection (greater than 500 kbps) is possible. In addition, we demonstrated a video transmission that monitors a natural dam generated by river blockage emergency construction site caused by typhoon between Gojo Oto-cho Akatani and Sarutani dam management branch by the relay connection. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | VHF / Multihop / Public broadband / Field experiment / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 113, RCS2015-48, pp. 13-18, June 2015. | |
| Paper # | RCS2015-48 | |
| Date of Issue | 2015-06-17 (RCS) | |
| 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 | RCS2015-48 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2015-06-24 - 2015-06-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2015-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Multihop relay field experiment using the VHF band broadband mobile communication system in rural area |
| Sub Title (in English) | |
| Keyword(1) | VHF |
| Keyword(2) | Multihop |
| Keyword(3) | Public broadband |
| Keyword(4) | Field experiment |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kei Yanagisawa |
| 1st Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 2nd Author's Name | Tatsuya Abe |
| 2nd Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 3rd Author's Name | Yoshihiro Kawashima |
| 3rd Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 4th Author's Name | Kiyoshi Yamamoto |
| 4th Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 5th Author's Name | Masayuki Takekawa |
| 5th Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 6th Author's Name | Masayuki Ishizaki |
| 6th Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 7th Author's Name | Tomohiro Nozaki |
| 7th Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 8th Author's Name | Junya Dosaka |
| 8th Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 9th Author's Name | Masahiro Asano |
| 9th Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 10th Author's Name | Kazue Kato |
| 10th Author's Affiliation | Hitachi Kokusai Electric (Hitachi Kokusai) |
| 11th Author's Name | Hiroshi Harada |
| 11th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 12th Author's Name | Keiichi Mizutani |
| 12th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 13th Author's Name | |
| 13th Author's Affiliation | () |
| 14th Author's Name | |
| 14th Author's Affiliation | () |
| 15th Author's Name | |
| 15th Author's Affiliation | () |
| 16th Author's Name | |
| 16th Author's Affiliation | () |
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| 17th Author's Affiliation | () |
| 18th Author's Name | |
| 18th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2015-06-24 13:20:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2015-48 |
| Volume (vol) | vol.115 |
| Number (no) | no.113 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2015-06-17 (RCS) |
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