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Paper Abstract and Keywords
Presentation 2013-03-01 14:50
Multilevel modulated chaos-MIMO transmission scheme with adaptive chaos processing
Eiji Okamoto (Nagoya Inst. of Tech.) RCS2012-350
Abstract (in Japanese) (See Japanese page) 
(in English) Securing transmission signals in wireless communications at the physical-layer is important and effective because it can be used as an easy security way in multi-hop or ad-hoc networks without using complex upper-layer secure protocols, or used as a part of the multiple secure protocols for safer communication. We have proposed a chaos-multiple input multiple output (MIMO) transmission scheme which enables both the physical-layer encryption by chaos and the channel coding effect in MIMO multiplexing transmission. However, the rate-efficiency is equivalent to BPSK and the faster modulation is needed in chaos-MIMO. Also, the channel coding effect still needs to be improved. Therefore, in this paper, we propose an improved chaos-MIMO scheme which has two or four bit/symbol equivalent to QPSK and 16QAM and has more channel coding gain achieved by an adaptive chaos processing. Improved performances of the proposed scheme are confirmed by computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) chaos communication / MIMO / chaos iteration number / Bernoulli shift map / maximum likelihood sequence estimation / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 443, RCS2012-350, pp. 393-398, Feb. 2013.
Paper # RCS2012-350 
Date of Issue 2013-02-20 (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 RCS2012-350

Conference Information
Committee RCS SR SRW  
Conference Date 2013-02-27 - 2013-03-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Waseda Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2013-02-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multilevel modulated chaos-MIMO transmission scheme with adaptive chaos processing 
Sub Title (in English)  
Keyword(1) chaos communication  
Keyword(2) MIMO  
Keyword(3) chaos iteration number  
Keyword(4) Bernoulli shift map  
Keyword(5) maximum likelihood sequence estimation  
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1st Author's Name Eiji Okamoto  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
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Speaker Author-1 
Date Time 2013-03-01 14:50:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2012-350 
Volume (vol) vol.112 
Number (no) no.443 
Page pp.393-398 
#Pages 6 
Date of Issue 2013-02-20 (RCS) 

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