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Paper Abstract and Keywords
Presentation 2009-12-17 11:30
Study on Multipath Division Turbo Equalization with Block ICI Cancellation for MIMO transmission
Ryota Yamada, Katsuya Kato, Takashi Yoshimoto, Kazuhiro Abe, Minoru Kubota, Naoki Okamoto (SHARP Corp.) RCS2009-174
Abstract (in Japanese) (See Japanese page) 
(in English) This report proposes MIMO Multipath Division turbo equalization with Block Inter-carrier interference Cancellation (MIMO-BIC) to suppress Inter-Symbol Interference (ISI), Inter-Carrier Interference (ICI), and Multi-Stream Interference (MSI). In multipath environments with delay difference greater than Guard Interval (GI) length, MIMO-OFDM transmissions suffer from severe degradation due to ISI, ICI and MSI. ISI is interference from adjacent OFDM symbols, ICI is interference from adjacent subcarriers within the OFDM symbol, and MSI is interference from other streams. The proposed method exploits log likelihood ratio (LLR) which is a fed back from a decoder and generates a transmitted signal replica by using LLR. Using that replica, received signal is divided into several blocks based on multipath. A desired signal is reconstructed by adding the desired signal replica of the desired stream to the divided signal in the frequency domain. Computer simulations demonstrate that the proposed method can achieve excellent performance in the severe multipath channels where the delay difference is greater than GI length.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO / OFDM / Guard Interval / Inter Symbol Interference / Inter Carrier Interference / Turbo Equalization / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 341, RCS2009-174, pp. 43-48, Dec. 2009.
Paper # RCS2009-174 
Date of Issue 2009-12-10 (RCS) 
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 RCS2009-174

Conference Information
Committee RCS SAT  
Conference Date 2009-12-17 - 2009-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Satellite Communications, Broadcasting, Forward Error Correction, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2009-12-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Multipath Division Turbo Equalization with Block ICI Cancellation for MIMO transmission 
Sub Title (in English)  
Keyword(1) MIMO  
Keyword(2) OFDM  
Keyword(3) Guard Interval  
Keyword(4) Inter Symbol Interference  
Keyword(5) Inter Carrier Interference  
Keyword(6) Turbo Equalization  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryota Yamada  
1st Author's Affiliation SHARP Corporation (SHARP Corp.)
2nd Author's Name Katsuya Kato  
2nd Author's Affiliation SHARP Corporation (SHARP Corp.)
3rd Author's Name Takashi Yoshimoto  
3rd Author's Affiliation SHARP Corporation (SHARP Corp.)
4th Author's Name Kazuhiro Abe  
4th Author's Affiliation SHARP Corporation (SHARP Corp.)
5th Author's Name Minoru Kubota  
5th Author's Affiliation SHARP Corporation (SHARP Corp.)
6th Author's Name Naoki Okamoto  
6th Author's Affiliation SHARP Corporation (SHARP Corp.)
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Speaker Author-1 
Date Time 2009-12-17 11:30:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2009-174 
Volume (vol) vol.109 
Number (no) no.341 
Page pp.43-48 
#Pages 6 
Date of Issue 2009-12-10 (RCS) 

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