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Paper Abstract and Keywords
Presentation 2018-01-23 10:00
Evaluation of Eavesdropping Resistance in Secret Information Transmission Scheme Using Signal Decomposition and Spatial Vector Composition
Kazuki Tsuji, Hideichi Sasaoka, Hisato Iwai (Doshisha Univ.) IT2017-85 SIP2017-93 RCS2017-299
Abstract (in Japanese) (See Japanese page) 
(in English) As a countermeasure against eavesdropping in mobile communications, secret information transmission scheme using signal decomposition and spatial vector composition based on radio propagation characteristics has been proposed, but resistance to eavesdropping attack by multiple antennas has not been evaluated. Therefore, in this paper, we discuss the attacking method using multiple antennas and propose its countermeasures. Under the conditions that the system parameters of the legitimate station are known at the eavesdropping station, it shows that the desired signal can be reproduced by composing the signals separated by the independent component analysis with a certain weight, and we consider the design method of the weight. Furthermore, as a countermeasure against the assumed attack method, we propose a method of signal decomposition after adding periodic pseudo noise and show that we can improve eavesdropping resistance.
Keyword (in Japanese) (See Japanese page) 
(in English) Radio propagation characteristics / Spatial Superposition / Signal decomposition / Physical layer security / Independent component analysis / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 396, RCS2017-299, pp. 177-182, Jan. 2018.
Paper # RCS2017-299 
Date of Issue 2018-01-15 (IT, SIP, 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 IT2017-85 SIP2017-93 RCS2017-299

Conference Information
Committee SIP IT RCS  
Conference Date 2018-01-22 - 2018-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Sunport Hall Takamatsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2018-01-SIP-IT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Eavesdropping Resistance in Secret Information Transmission Scheme Using Signal Decomposition and Spatial Vector Composition 
Sub Title (in English)  
Keyword(1) Radio propagation characteristics  
Keyword(2) Spatial Superposition  
Keyword(3) Signal decomposition  
Keyword(4) Physical layer security  
Keyword(5) Independent component analysis  
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1st Author's Name Kazuki Tsuji  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Hideichi Sasaoka  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
3rd Author's Name Hisato Iwai  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2018-01-23 10:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2017-85, SIP2017-93, RCS2017-299 
Volume (vol) vol.117 
Number (no) no.394(IT), no.395(SIP), no.396(RCS) 
Page pp.177-182 
#Pages 6 
Date of Issue 2018-01-15 (IT, SIP, RCS) 

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