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Paper Abstract and Keywords
Presentation 2009-06-25 16:20
Proposal of Secure Wireless Communication with Multi-hop Transmission using Spatially Separated Propagation Channels
Satoshi Hirai, Shinichi Miyamoto, Seiichi Sampei (Osaka Univ.) RCS2009-35
Abstract (in Japanese) (See Japanese page) 
(in English) Private wireless network has to establish determinate wireless network in the limited private space that user intends. Unfortunately, because of the vulnerable and unpredictable propagation of wireless signal, the transmitted signal easily spills over to the outside of the intended private space. Unnecessary and unpredictable propagation to the outside of private space will provide the opportunity of eavesdropping of transmitted information to a malicious user existing outside of the private space. This paper proposes a novel secure wireless communication scheme using spatially separated propagation channels and multi-hop transmission technique. In the proposed scheme, the node existing apart from source and destination nodes transmits sub information required to make secret information and/or extract original information from secret one and the propagation area of secret information transmitted from source node are spatially separated from that of sub information. In addition, because sub information is transmitted by way of relay nodes, the propagation area of sub information can be adaptively controlled by the transmission route. Because both the transmitted secret information and sub information are necessary to extract the original information from secret one, the exposure region where the transmitted original information is extracted can be narrowed down by proposed technique.
Keyword (in Japanese) (See Japanese page) 
(in English) Private wireless network / Multi-hop transmission / Spatially separation of propagation area / Secrecy / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 105, RCS2009-35, pp. 43-48, June 2009.
Paper # RCS2009-35 
Date of Issue 2009-06-18 (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)
Download PDF RCS2009-35

Conference Information
Committee RCS  
Conference Date 2009-06-25 - 2009-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya University 
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 2009-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Secure Wireless Communication with Multi-hop Transmission using Spatially Separated Propagation Channels 
Sub Title (in English)  
Keyword(1) Private wireless network  
Keyword(2) Multi-hop transmission  
Keyword(3) Spatially separation of propagation area  
Keyword(4) Secrecy  
1st Author's Name Satoshi Hirai  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Shinichi Miyamoto  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Seiichi Sampei  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2009-06-25 16:20:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2009-35 
Volume (vol) IEICE-109 
Number (no) no.105 
Page pp.43-48 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2009-06-18 

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