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Paper Abstract and Keywords
Presentation 2009-12-17 09:20
A Study on an Exchange of Code Redundancy in EXIT Chart Aided Puncture Design for Multilevel BICM-ID
Yasuhiro Baba, Seiichi Sampei, Shinsuke Ibi (Osaka Univ.) RCS2009-168
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a methodology of an extrinsic information transfer (EXIT)-based rate control for
multilevel bit interleaved coded modulation-iterative detection (ML-BICM-ID) schemes exploiting turbo codes as
the constituent encoder. Since the turbo codes are widely employed in several communication systems, in the sense
of backward compatibility, it is not preferable to change the code structure to challenge the Shannon-limit in the coded modulation systems. Due to this constraint, in the most of systems, the turbo codes are simply connected by the modulation without any consideration to achieve the limit even in higher modulation order. In the proposed method, an imbalance of signal levels between information bits for ML-BICM signaling is focused. The imbalance brings us to a concept that an exchange of code redundancy according to the imbalance improves iterative behavior on EXIT chart, resulting in high transmission quality in higher modulation order. A key technique of the exchange is code-puncture to slightly change the coding rate.
Keyword (in Japanese) (See Japanese page) 
(in English) Turbo code / Multilevel BICM / Iterative Detection / EXIT Chart / Code Puncture / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 341, RCS2009-168, pp. 7-12, Dec. 2009.
Paper # RCS2009-168 
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 RCS2009-168

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) A Study on an Exchange of Code Redundancy in EXIT Chart Aided Puncture Design for Multilevel BICM-ID 
Sub Title (in English)  
Keyword(1) Turbo code  
Keyword(2) Multilevel BICM  
Keyword(3) Iterative Detection  
Keyword(4) EXIT Chart  
Keyword(5) Code Puncture  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yasuhiro Baba  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Seiichi Sampei  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Shinsuke Ibi  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2009-12-17 09:20:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2009-168 
Volume (vol) vol.109 
Number (no) no.341 
Page pp.7-12 
#Pages 6 
Date of Issue 2009-12-10 (RCS) 

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