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Paper Abstract and Keywords
Presentation 2013-06-20 09:10
Multi-User Chaos MIMO-OFDM Scheme for Secure Wireless Communications
Yuma Inaba, Eiji Okamoto (NITech) RCS2013-38
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless multihop communications are expected to assist the development of a smart community in which social infrastructures are comprehensively controlled. In the wireless multihop transmission, personal data are forwarded by the third person so that the wireless security is indispensable. In current wireless systems, the security is ensured by encryption at the upper layers. However, it tends to need a complex protocol or processing which is not suitable for the multihop protocol with a simple manner. To solve it, we have proposed a chaos multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) scheme having physical-layer encryption and channel-coding abilities. However, the multi-user transmission which is essential for efficient multihop network has not been considered yet. Therefore, in this paper, we propose a multi-user (MU) chaos MIMO-OFDM scheme which achieves the physical-layer security and channel-coding gain in MU-MIMO transmission. The improved performances are shown through computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) multihop communications / encryption / chaos / MU-MIMO / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 93, RCS2013-38, pp. 7-12, June 2013.
Paper # RCS2013-38 
Date of Issue 2013-06-13 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee RCS  
Conference Date 2013-06-20 - 2013-06-21 
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 2013-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multi-User Chaos MIMO-OFDM Scheme for Secure Wireless Communications 
Sub Title (in English)  
Keyword(1) multihop communications  
Keyword(2) encryption  
Keyword(3) chaos  
Keyword(4) MU-MIMO  
1st Author's Name Yuma Inaba  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
2nd Author's Name Eiji Okamoto  
2nd Author's Affiliation Nagoya Institute of Technology (NITech)
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Date Time 2013-06-20 09:10:00 
Presentation Time 10 
Registration for RCS 
Paper # IEICE-RCS2013-38 
Volume (vol) IEICE-113 
Number (no) no.93 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2013-06-13 

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