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| Presentation | 2023-11-17 11:00 Underwater acoustic OFDM transmission system with blind delay wave suppression Haruya Ikeda, Soma Sumita (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science)  RCS2023-171 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For Beyond 5G/6G, research on wireless communications outside of land (e.g., in space, underwater, etc.) is underway. Among them, underwater acoustic communication has a problem of communication capacity due to the frequency limitation. Moreover, since the speed of sound in water is about 1/200,000 of that on land, the arrival time of delayed waves is very long, ranging from a few ms to several hundred ms, which is quite different from that of land-based radio communications. Therefore, interference suppression of the delayed wave is necessary for stable communication over a wide bandwidth. In orthogonal frequency division multiplexing (OFDM) transmission, delayed waves are usually suppressed by inserting a cyclic prefix (CP), but long CP are required for long delayed waves, leading to overhead. In this paper, we propose a highly efficient underwater acoustic OFDM transmission scheme using interference suppression with a blind adaptive array. The effectiveness of the proposed method is demonstrated by simulations using evaluation metrics such as bit error rate (BER) and throughput | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Blind adaptive array / Blind Frequency Compensation / Underwater Acoustic Communication / Orthogonal Frequency Division Multiplexing / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 263, RCS2023-171, pp. 95-100, Nov. 2023. | |
| Paper # | RCS2023-171 | |
| Date of Issue | 2023-11-08 (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 | RCS2023-171 |
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| Conference Information | |
| Committee | AP RCS |
| Conference Date | 2023-11-15 - 2023-11-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumamoto Prefectural Workers' Welfare Hall |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2023-11-AP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Underwater acoustic OFDM transmission system with blind delay wave suppression |
| Sub Title (in English) | |
| Keyword(1) | Blind adaptive array |
| Keyword(2) | Blind Frequency Compensation |
| Keyword(3) | Underwater Acoustic Communication |
| Keyword(4) | Orthogonal Frequency Division Multiplexing |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Haruya Ikeda |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | Soma Sumita |
| 2nd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 3rd Author's Name | Daisuke Hisano |
| 3rd Author's Affiliation | Osaka University (Osaka Univ.) |
| 4th Author's Name | Kazuki Maruta |
| 4th Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
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| Speaker | Author-1 |
| Date Time | 2023-11-17 11:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2023-171 |
| Volume (vol) | vol.123 |
| Number (no) | no.263 |
| Page | pp.95-100 |
| #Pages | 6 |
| Date of Issue | 2023-11-08 (RCS) |
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