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Paper Abstract and Keywords
Presentation 2026-06-18 16:00
Demonstration of Convolutional Code-Concatenated Chaos Modulation Scheme Using Simple Software Defined Radio for IoT Applications
Takumi Sugiura, Eiji Okamoto (Nitech), Naoto Horiike, Tetsuya Yamamoto (Panasonic) RCS2026-66
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed a method called chaos modulation that simultaneously achieves radio-wave encryption and channel coding at the physical layer, and in previous research, we demonstrated its feasibility through wired and wireless experiments using software-defined radios. However, in our previous experiments, error-correcting codes were not applied, which limited the extent to which transmission quality could be improved. Therefore, in this paper, we report on new results obtained by concatenating error-correcting codes with chaos modulation and verifying them through wired experiments. Using two simple software-defined radios designed for IoT, we transmitted chaos modulation signals concatenated with convolutional codes via a wired link and evaluated the performance at the receiver. The results revealed that, when error-correcting codes were concatenated, it was confirmed that chaos modulation achieved an approximately 1 dB gain over BPSK modulation at the BER of 10^(-5).
Keyword (in Japanese) (See Japanese page) 
(in English) Software-defined radio / error-correcting codes / physical-layer encryption / wired transmission experiment / chaos modulation / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 72, RCS2026-66, pp. 230-235, June 2026.
Paper # RCS2026-66 
Date of Issue 2026-06-10 (RCS) 
ISSN 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 RCS2026-66

Conference Information
Committee RCS  
Conference Date 2026-06-17 - 2026-06-19 
Place (in Japanese) (See Japanese page) 
Place (in English) The Ohama Nobumoto Memorial Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2026-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Demonstration of Convolutional Code-Concatenated Chaos Modulation Scheme Using Simple Software Defined Radio for IoT Applications 
Sub Title (in English)  
Keyword(1) Software-defined radio  
Keyword(2) error-correcting codes  
Keyword(3) physical-layer encryption  
Keyword(4) wired transmission experiment  
Keyword(5) chaos modulation  
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1st Author's Name Takumi Sugiura  
1st Author's Affiliation Nagoya Institute Of Technology (Nitech)
2nd Author's Name Eiji Okamoto  
2nd Author's Affiliation Nagoya Institute Of Technology (Nitech)
3rd Author's Name Naoto Horiike  
3rd Author's Affiliation Panasonic Holdings Corporation (Panasonic)
4th Author's Name Tetsuya Yamamoto  
4th Author's Affiliation Panasonic Holdings Corporation (Panasonic)
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Speaker Author-1 
Date Time 2026-06-18 16:00:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2026-66 
Volume (vol) vol.126 
Number (no) no.72 
Page pp.230-235 
#Pages 6 
Date of Issue 2026-06-10 (RCS) 

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