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Paper Abstract and Keywords
Presentation 2026-06-17 10:05
Modeling and Evaluation of Resonance Impact in Inter-Layer Propagation for Stacked Intelligent Metasurfaces
Yutaro Tanaka, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ), Takumi Yoneda, Tomoki Murakami (NTT, Inc.) RCS2026-27
Abstract (in Japanese) (See Japanese page) 
(in English) Stacked Intelligent Metasurfaces (SIM) are attracting attention as novel transmitters for next-generation wireless systems. Most existing evaluations rely on ideal channel models that ignore interlayer electromagnetic reflections. However, inevitable multiple interlayer reflections cause resonance, leading to severe performance degradation such as wavefront control breakdown and bandwidth narrowing. To quantitatively evaluate this impact, we propose a novel SIM channel model that incorporates multiple reflections using T-parameters. Evaluation results confirm that our proposed model analyzes characteristic changes induced by interlayer resonance, which conventional full-transmission models fail to capture. Consequently, this study enables quantitative analysis of transmission characteristics involving multiple reflections, overcoming conventional limitations.
Keyword (in Japanese) (See Japanese page) 
(in English) Stacked Intelligent Metasurfaces / Interlayer resonance / T-parameter / Frequency selectivity / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 72, RCS2026-27, pp. 11-16, June 2026.
Paper # RCS2026-27 
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 RCS2026-27

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) Modeling and Evaluation of Resonance Impact in Inter-Layer Propagation for Stacked Intelligent Metasurfaces 
Sub Title (in English)  
Keyword(1) Stacked Intelligent Metasurfaces  
Keyword(2) Interlayer resonance  
Keyword(3) T-parameter  
Keyword(4) Frequency selectivity  
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1st Author's Name Yutaro Tanaka  
1st Author's Affiliation Tohoku University (Tohoku Univ)
2nd Author's Name Hiroaki Hashida  
2nd Author's Affiliation Tohoku University (Tohoku Univ)
3rd Author's Name Yuichi Kawamoto  
3rd Author's Affiliation Tohoku University (Tohoku Univ)
4th Author's Name Nei Kato  
4th Author's Affiliation Tohoku University (Tohoku Univ)
5th Author's Name Takumi Yoneda  
5th Author's Affiliation NTT, Inc. (NTT, Inc.)
6th Author's Name Tomoki Murakami  
6th Author's Affiliation NTT, Inc. (NTT, Inc.)
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Speaker Author-1 
Date Time 2026-06-17 10:05:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2026-27 
Volume (vol) vol.126 
Number (no) no.72 
Page pp.11-16 
#Pages 6 
Date of Issue 2026-06-10 (RCS) 

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