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Paper Abstract and Keywords
Presentation 2011-06-23 11:50
Personal modulation
Eiji Okamoto (Nagoya Inst. Tech.) RCS2011-43
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a use of the modulation as a personal identification in wireless communications. In multi-hop transmissions or picocell and femtocell, a relatively large received signal power, i. e., large signal to noise power ratio (SNR), can be obtained because of the short-range wireless transmission and the dominant factor for high-quality transmission becomes a co-channel interference, i. e., signal to interference and noise power ratio (SINR). If the co-channel interference can be avoided, the large SNR can be acquired. Meanwhile, a chaos communication which provides a physical-layer security suffers from the decrease of minimum squared Euclidean distance to a half of BPSK as the cost of the physical-layer security. However, it will be an effective modulation scheme in the short-range transmission. Utilizing the chaos modulation, we have proposed a chaos multiple-input multiple-output (C-MIMO) transmission scheme which is a chaotic channel coding scheme between multiple transmit antennas of MIMO multiplexing, achieving a high-capacity and secure wireless communication. In this paper, we consider the chaos configuration of C-MIMO and investigate the coding characteristics including bit error rate performances. Since the squared Euclidean distance property changes according to the configuration of chaos vector and chaos composition, we conduct a heuristic search and clarify a good configuration. Then, we describe a concept of personal modulation using this chaos transmission.
Keyword (in Japanese) (See Japanese page) 
(in English) personal modulation / secure communication / chaos modulation / MIMO / Bernoulli shift map / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 94, RCS2011-43, pp. 49-54, June 2011.
Paper # RCS2011-43 
Date of Issue 2011-06-16 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 2011-06-23 - 2011-06-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Ryukyu 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 2011-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Personal modulation 
Sub Title (in English)  
Keyword(1) personal modulation  
Keyword(2) secure communication  
Keyword(3) chaos modulation  
Keyword(4) MIMO  
Keyword(5) Bernoulli shift map  
1st Author's Name Eiji Okamoto  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. Tech.)
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Date Time 2011-06-23 11:50:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2011-43 
Volume (vol) IEICE-111 
Number (no) no.94 
Page pp.49-54 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2011-06-16 

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