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| Presentation | 2022-10-14 11:25 Fundamental Study of Underwater Acoustic Communication Using a Bidirectional Retrodirective System Takahiro Ishikawa, Shingo Yoshizawa (Kitami Inst. of Tech.)  SIS2022-20 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Beamforming is a technique that concentrates wave energy in a specific direction using multiple element arrays. It can expand the communication transmission range and reduce multipath interference in underwater acoustic communication. We studied a retrodirective system that estimates the direction of arrival (DOA) from a sound wave in the other communication terminal and controls the transmission direction in the opposite direction in the previous work. This study proposes a bidirectional retrodirective system that estimates the DOA and controls the transmission direction at each terminal. In the verification of the proposed method, we evaluated the communication characteristics of the line-of-sight (LOS) and non-line-of-sight (NLOS) environments by simulation and conducted actual measurement tests in the swimming pool. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Underwater Acoustic Communication / Beamforming / Direction of Arrival Estimation / Retrodirective System / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 209, SIS2022-20, pp. 49-52, Oct. 2022. | |
| Paper # | SIS2022-20 | |
| Date of Issue | 2022-10-06 (SIS) | |
| 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 | SIS2022-20 |
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| Conference Information | |
| Committee | SIS ITE-BCT |
| Conference Date | 2022-10-13 - 2022-10-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hachinohe Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2022-10-SIS-BCT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fundamental Study of Underwater Acoustic Communication Using a Bidirectional Retrodirective System |
| Sub Title (in English) | |
| Keyword(1) | Underwater Acoustic Communication |
| Keyword(2) | Beamforming |
| Keyword(3) | Direction of Arrival Estimation |
| Keyword(4) | Retrodirective System |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Takahiro Ishikawa |
| 1st Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
| 2nd Author's Name | Shingo Yoshizawa |
| 2nd Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2022-10-14 11:25:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2022-20 |
| Volume (vol) | vol.122 |
| Number (no) | no.209 |
| Page | pp.49-52 |
| #Pages | 4 |
| Date of Issue | 2022-10-06 (SIS) |
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