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Paper Abstract and Keywords
Presentation 2013-03-14 10:45
Improvement in Transmission Characteristics in Acoustic OFDM with Adaptive Microphone Array and Adaptive Channel Shortening
Shota Kono, Yoshinobu Kajikawa (Kansai Univ.) CAS2012-111 SIP2012-142 CS2012-117
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose an improvement method of transmission characteristics in acoustic OFDM (orthogonal frequency division multiplexing) using microphone array and adaptive channel shortening.
Recently, acoustic OFDM, which uses audible sound waves as an information transmission medium, has been studied.
In acoustic OFDM, the transmission characteristics deteriorate owing to acoustic ambient noise and room reverberation
because acoustic noise corrupts audio signal embedding information and room reverberation yields intersymbol interference.
We therefore propose a combination method of microphone array and adaptive channel shortening in order to improve the transmission characteristics in acoustic OFDM.
Some simulation results demonstrate that the proposed combination can improve the transmission characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) Acoustic Communication / OFDM / Microphone Array / Generalized Sidelobe Canceller / Adaptive Channel Shortening / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 485, SIP2012-142, pp. 87-91, March 2013.
Paper # SIP2012-142 
Date of Issue 2013-03-07 (CAS, SIP, CS) 
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 CAS2012-111 SIP2012-142 CS2012-117

Conference Information
Committee SIP CAS CS  
Conference Date 2013-03-14 - 2013-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Keio Univ. Tsuruoka Campus (Yamagata) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. 
Paper Information
Registration To SIP 
Conference Code 2013-03-SIP-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement in Transmission Characteristics in Acoustic OFDM with Adaptive Microphone Array and Adaptive Channel Shortening 
Sub Title (in English)  
Keyword(1) Acoustic Communication  
Keyword(2) OFDM  
Keyword(3) Microphone Array  
Keyword(4) Generalized Sidelobe Canceller  
Keyword(5) Adaptive Channel Shortening  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shota Kono  
1st Author's Affiliation Kansai Uviversity (Kansai Univ.)
2nd Author's Name Yoshinobu Kajikawa  
2nd Author's Affiliation Kansai Uviversity (Kansai Univ.)
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Speaker Author-1 
Date Time 2013-03-14 10:45:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # CAS2012-111, SIP2012-142, CS2012-117 
Volume (vol) vol.112 
Number (no) no.484(CAS), no.485(SIP), no.486(CS) 
Page pp.87-91 
#Pages 5 
Date of Issue 2013-03-07 (CAS, SIP, CS) 

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