Paper Abstract and Keywords |
Presentation |
2019-06-21 09:40
Differential Orthogonal Frequency-Division Multiplexing Employing Short-Time AFC for Underwater Acoustic Communications Yui Nakai, Yuka Tanaka, Hiroshi Kubo (Ritsumeikan Univ.) RCS2019-83 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper discusses differential orthogonal frequency division multiplexing (OFDM) for underwater acoustic communications (UWACs). UWACs suffer from both time and frequency selective channels i.e., doubly-selective channels. Although differential OFDM is effective for doubly-selective environments, differential OFDM have to track fast time-varying Doppler shifts. This paper proposes differential OFDM employing short-time automatic frequency control (AFC) for fast time-varying Doppler shifts. Especially, the proposed AFC employs a multiple open-loop frequency estimation (MOLFE), which has good trade-off between frequency coverage and estimation accuracy in order to track fast time-varying Doppler shifts. Finally, computer simulation confirms that the proposed differential OFDM employing MOLFE has excellent performance in severe doubly-selective environments. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Acoustic Communications / Underwater Acoustic Communications / Differential Communications / Differential Orthogonal Frequency Division Multiplexing / Automatic Frequency Control / Tone Signal / Doubly-Selective Channels / |
Reference Info. |
IEICE Tech. Rep., vol. 119, no. 90, RCS2019-83, pp. 267-272, June 2019. |
Paper # |
RCS2019-83 |
Date of Issue |
2019-06-12 (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) |
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RCS2019-83 |
Conference Information |
Committee |
RCS |
Conference Date |
2019-06-19 - 2019-06-21 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Miyakojima Hirara Port Terminal Building |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. |
Paper Information |
Registration To |
RCS |
Conference Code |
2019-06-RCS |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Differential Orthogonal Frequency-Division Multiplexing Employing Short-Time AFC for Underwater Acoustic Communications |
Sub Title (in English) |
|
Keyword(1) |
Acoustic Communications |
Keyword(2) |
Underwater Acoustic Communications |
Keyword(3) |
Differential Communications |
Keyword(4) |
Differential Orthogonal Frequency Division Multiplexing |
Keyword(5) |
Automatic Frequency Control |
Keyword(6) |
Tone Signal |
Keyword(7) |
Doubly-Selective Channels |
Keyword(8) |
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1st Author's Name |
Yui Nakai |
1st Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
2nd Author's Name |
Yuka Tanaka |
2nd Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
3rd Author's Name |
Hiroshi Kubo |
3rd Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
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Speaker |
Author-1 |
Date Time |
2019-06-21 09:40:00 |
Presentation Time |
10 minutes |
Registration for |
RCS |
Paper # |
RCS2019-83 |
Volume (vol) |
vol.119 |
Number (no) |
no.90 |
Page |
pp.267-272 |
#Pages |
6 |
Date of Issue |
2019-06-12 (RCS) |