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| Presentation | 2020-10-01 14:50 Experimental Evaluation of Transmit Beamforming Using Retrodirective System in Underwater Acoustic Communication Aoi Nagano, Shingo Yoshizawa (Kitami Inst. Tech.)  SIS2020-18 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Beamforming is a technology that concentrates wave energy in a specific direction by using an element array. It enables the extension of the communication range and the reduction of acoustic reflection interference. In transmit beamforming, it is important to match a beam direction to a destination terminal when transmitting a signal. The transmit beamforming method is requested to optimize the transmit beam according to surrounding environments. This study introduces a retrodirective system that estimates direction of arrival (DOA) from a sound wave in destination terminal and controls the transmit beam in the opposite direction. In the underwater acoustic communication test, we evaluated communication performance in line-of-sight and non-line-of-sight conditions and confirmed communication performance of transmit beamforming using the retrodirective system. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Underwater Acoustic Communication / Beamforming / Direction of Arrival Estimation / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 176, SIS2020-18, pp. 44-47, Oct. 2020. | |
| Paper # | SIS2020-18 | |
| Date of Issue | 2020-09-24 (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 | SIS2020-18 |
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| Conference Information | |
| Committee | SIS ITE-BCT |
| Conference Date | 2020-10-01 - 2020-10-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | System Implementation Technology, Short Range Wireless Systems, Smart Multimedia Systems, Broadcasting Technology, etc. |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2020-10-SIS-BCT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Evaluation of Transmit Beamforming Using Retrodirective System in Underwater Acoustic Communication |
| Sub Title (in English) | |
| Keyword(1) | Underwater Acoustic Communication |
| Keyword(2) | Beamforming |
| Keyword(3) | Direction of Arrival Estimation |
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| Keyword(8) | |
| 1st Author's Name | Aoi Nagano |
| 1st Author's Affiliation | Kitami Institute of Technology (Kitami Inst. Tech.) |
| 2nd Author's Name | Shingo Yoshizawa |
| 2nd Author's Affiliation | Kitami Institute of Technology (Kitami Inst. Tech.) |
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| Speaker | Author-1 |
| Date Time | 2020-10-01 14:50:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2020-18 |
| Volume (vol) | vol.120 |
| Number (no) | no.176 |
| Page | pp.44-47 |
| #Pages | 4 |
| Date of Issue | 2020-09-24 (SIS) |
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