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Paper Abstract and Keywords
Presentation 2015-06-25 15:55
A study on EXIT chart analysis of chaos MIMO transmission scheme using turbo principle
Eiji Okamoto (NITech) RCS2015-77
Abstract (in Japanese) (See Japanese page) 
(in English) Chaos multiple-input multiple-output (C-MIMO) scheme is a transmission scheme having both physical layer security and channel coding gain, and a turbo-coded transmission is also available by introducing a log-likelihood ratio (LLR), which enables larger coding gain in C-MIMO. However, the convergence characteristic of turbo-coded C-MIMO is not analyzed yet. Here, it is well-known that the convergence characteristics of turbo decoding can be analyzed by EXIT chart. In the EXIT chart, the input-output mutual information of two element decoders is plotted in a same plane in pairs, and the increase of mutual information obtained by iterative decoding can be confirmed on the trajectory of two EXIT curves. Therefore, in this paper, we analyze the performance of turbo-coded C-MIMO by using EXIT chart. As a result, it is found that the output mutual information continuously increases in C-MIMO because of rate-1 channel coding property, and that C-MIMO is suitable for iterative decoding. In addition, it is shown that the bit error rate (BER) characteristics of turbo-coded C-MIMO basically coincide the results of EXIT chart analysis.
Keyword (in Japanese) (See Japanese page) 
(in English) chaos communication / MIMO / log-likelihood ratio / turbo decoding / EXIT chart analysis / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 113, RCS2015-77, pp. 185-190, June 2015.
Paper # RCS2015-77 
Date of Issue 2015-06-17 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee RCS  
Conference Date 2015-06-24 - 2015-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2015-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on EXIT chart analysis of chaos MIMO transmission scheme using turbo principle 
Sub Title (in English)  
Keyword(1) chaos communication  
Keyword(2) MIMO  
Keyword(3) log-likelihood ratio  
Keyword(4) turbo decoding  
Keyword(5) EXIT chart analysis  
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1st Author's Name Eiji Okamoto  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
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Speaker Author-1 
Date Time 2015-06-25 15:55:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2015-77 
Volume (vol) vol.115 
Number (no) no.113 
Page pp.185-190 
#Pages 6 
Date of Issue 2015-06-17 (RCS) 

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