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| Presentation | 2017-12-14 13:30 [Poster Presentation] Acoustic Communications Employing Differential OFDM Yusuke Matsumoto, Masashi Takemura, Souichiro Morita, Akinobu Murayama, Takuma Yamagishi, Hiroshi Kubo (Ritsumeikan Univ.)  WBS2017-51 ITS2017-28 RCC2017-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper discusses OFDM (Orthogonal Frequency Division Multiplexing) with differential encoding assuming on acoustic communications. Acoustic waves increase the influence of maximum Doppler frequency and delay spread due to the slow propagation speed compared to radio waves. Therefore, acoustic communications has a serious issue in order to cope with time and frequency selective channels, i.e., double selective channels. It is well known that OFDM suppresses effect of ISI (inter-symbol interference) caused by delay spread. For the double selective channels, this paper compares FDDE (frequency domain differential encoding) which performs differential encoding in frequency domain with TDDE (time domain differential encoding) which performs differential encoding in time domain. Finally, computer simulation results confirm that delay spread degrades the performance of FDDE and TDDE has better performance compared with FDDE on double selective fading channels. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Acoustic Communications / Orthogonal Frequency Division Multiplexing / Differential Encoding / Differential Detection / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 346, WBS2017-51, pp. 89-93, Dec. 2017. | |
| Paper # | WBS2017-51 | |
| Date of Issue | 2017-12-07 (WBS, ITS, RCC) | |
| 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 | WBS2017-51 ITS2017-28 RCC2017-67 |
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| Conference Information | |
| Committee | ITS WBS RCC |
| Conference Date | 2017-12-14 - 2017-12-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tiruru/Okinawa Jichikaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | ITS Communications, Reliable Communication and Control, Rader and Sensing, etc. |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2017-12-ITS-WBS-RCC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Acoustic Communications Employing Differential OFDM |
| Sub Title (in English) | |
| Keyword(1) | Acoustic Communications |
| Keyword(2) | Orthogonal Frequency Division Multiplexing |
| Keyword(3) | Differential Encoding |
| Keyword(4) | Differential Detection |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Yusuke Matsumoto |
| 1st Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
| 2nd Author's Name | Masashi Takemura |
| 2nd Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
| 3rd Author's Name | Souichiro Morita |
| 3rd Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
| 4th Author's Name | Akinobu Murayama |
| 4th Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
| 5th Author's Name | Takuma Yamagishi |
| 5th Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
| 6th Author's Name | Hiroshi Kubo |
| 6th Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-12-14 13:30:00 |
| Presentation Time | 120 minutes |
| Registration for | WBS |
| Paper # | WBS2017-51, ITS2017-28, RCC2017-67 |
| Volume (vol) | vol.117 |
| Number (no) | no.346(WBS), no.347(ITS), no.348(RCC) |
| Page | pp.89-93 |
| #Pages | 5 |
| Date of Issue | 2017-12-07 (WBS, ITS, RCC) |
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