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Paper Abstract and Keywords
Presentation 2011-12-16 09:35
[Poster Presentation] An Improvement Method of Frequency Spectrum Based OFDM Adaptive Array which Suppresses the Multipaths Beyond the Guard Interval
Shosuke Nakamura, Tadatomo Sato (Tokyo City Univ.) WBS2011-44
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we focus on the temporal variation of the amplitude spectrum of received OFDM signal caused by long delay multipath wave over Guard Interval, we propose two improvement methods that suppress long delay multipath wave over Guard Interval and improve the bit error rate performance. One is the use of Short Pass Filter which cuts the delay waves over Guard Interval before averaging the amplitude spectrum for high-speed convergence of the weight vector of adaptive array. The other is the selective diversity which runs convergence algorithm from some initial weight vectors and demodulate data by using the weight vector of the largest amplitude spectrum in each subcarrier. We show the performance of improvement methods via computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / adaptive array / frequency spectrum / blind control / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 340, WBS2011-44, pp. 71-76, Dec. 2011.
Paper # WBS2011-44 
Date of Issue 2011-12-08 (WBS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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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Conference Information
Committee ITS WBS  
Conference Date 2011-12-15 - 2011-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Poster Sessions, etc. 
Paper Information
Registration To WBS 
Conference Code 2011-12-ITS-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Improvement Method of Frequency Spectrum Based OFDM Adaptive Array which Suppresses the Multipaths Beyond the Guard Interval 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) adaptive array  
Keyword(3) frequency spectrum  
Keyword(4) blind control  
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1st Author's Name Shosuke Nakamura  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Tadatomo Sato  
2nd Author's Affiliation Tokyo City University (Tokyo City Univ.)
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Speaker Author-1 
Date Time 2011-12-16 09:35:00 
Presentation Time 120 minutes 
Registration for WBS 
Paper # WBS2011-44 
Volume (vol) vol.111 
Number (no) no.340 
Page pp.71-76 
#Pages
Date of Issue 2011-12-08 (WBS) 


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