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Paper Abstract and Keywords
Presentation 2010-07-09 10:50
A Study on a Rate Estimation Error Detection Scheme for Rate Compatible Punctured Turbo Codes
Shinji Hashimoto, Tetsuo Tsujioka (Osaka City Univ.) CS2010-24
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, rate compatible codes based on turbo codes and low density parity check（LDPC）codes
have much attention. These codes can provide codewords with various error tolerances easily and
exibly and still
potentially have powerful error correcting capabilities. The authors have studied the rate estimation scheme for
rate compatible punctured turbo（RCPT） codes based on likelihood information. In the research a propagation of
rate estimation errors is one of problems to be solved. Thus, code word synchronization is broken after a mis-esti-
mation of the code rate. In this paper, as a method of preventing misalignment of estimation error propagation, we
evaluate whether estimation is correct by a reliableness of sum of a posteriori LLR, which is new evaluation value
based on rate estimation. Also, we entertain about procedure for determining of threshold, which is to judge that
rate estimation is error by the reliableness.
Keyword (in Japanese) (See Japanese page) 
(in English) Rate Compatible Punctured Turbo(RCPT) Codes / Rate Estimation / A Posteriori Log Likelihood Ratio(LLR) / Probability Density Distribution / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 117, CS2010-24, pp. 91-96, July 2010.
Paper # CS2010-24 
Date of Issue 2010-07-01 (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 CS2010-24

Conference Information
Committee CS  
Conference Date 2010-07-08 - 2010-07-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Yoron Park Hotel, Kagoshima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Next generation networks, power-line communications, wireless communication systems, etc. 
Paper Information
Registration To CS 
Conference Code 2010-07-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on a Rate Estimation Error Detection Scheme for Rate Compatible Punctured Turbo Codes 
Sub Title (in English)  
Keyword(1) Rate Compatible Punctured Turbo(RCPT) Codes  
Keyword(2) Rate Estimation  
Keyword(3) A Posteriori Log Likelihood Ratio(LLR)  
Keyword(4) Probability Density Distribution  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shinji Hashimoto  
1st Author's Affiliation Osaka City University (Osaka City Univ.)
2nd Author's Name Tetsuo Tsujioka  
2nd Author's Affiliation Osaka City University (Osaka City Univ.)
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Speaker Author-1 
Date Time 2010-07-09 10:50:00 
Presentation Time 25 minutes 
Registration for CS 
Paper # CS2010-24 
Volume (vol) vol.110 
Number (no) no.117 
Page pp.91-96 
#Pages 6 
Date of Issue 2010-07-01 (CS) 

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