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Paper Abstract and Keywords
Presentation 2026-03-04 09:30
[Technology Exhibit] Inter-System Interference Suppression Using Blind Adaptive Arrays on Software-Defined Radio Platforms
Takeshi Kazama, Kotaro Fukue (Tokyo Univ. of Science), Hideya So (Kogakuin Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2025-250 SR2025-80 SRW2025-58
Abstract (in Japanese) (See Japanese page) 
(in English) This demonstration focuses on inter-system interference suppression and considers the coexistence of heterogeneous wireless systems as a representative example. In particular, the simultaneous operation of LTE and wireless LAN (WLAN), both based on orthogonal frequency division multiplexing (OFDM), is assumed to illustrate practical coexistence scenarios in the microwave band, where spectrum scarcity has become a critical issue. To address the resulting inter-system interference, a blind adaptive array (BAA) is employed, which suppresses interference without requiring any prior knowledge of the interfering signals and enables effective spectrum superposing. We implement the communication functions of both wireless systems and the subcarrier-wise BAA on software-defined radios (SDRs), and demonstrate the interference suppression behavior in near real time manner.
Keyword (in Japanese) (See Japanese page) 
(in English) Blind adaptive array / Blind algorithm / Spectrum superposing / Software-defined radio / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 387, RCS2025-250, pp. 1-1, March 2026.
Paper # RCS2025-250 
Date of Issue 2026-02-25 (RCS, SR, SRW) 
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 RCS2025-250 SR2025-80 SRW2025-58

Conference Information
Committee RCS SR SRW  
Conference Date 2026-03-04 - 2026-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Science 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2026-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Inter-System Interference Suppression Using Blind Adaptive Arrays on Software-Defined Radio Platforms 
Sub Title (in English)  
Keyword(1) Blind adaptive array  
Keyword(2) Blind algorithm  
Keyword(3) Spectrum superposing  
Keyword(4) Software-defined radio  
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Keyword(6)  
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1st Author's Name Takeshi Kazama  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Kotaro Fukue  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Hideya So  
3rd Author's Affiliation Kogakuin University (Kogakuin Univ.)
4th Author's Name Kazuki Maruta  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2026-03-04 09:30:00 
Presentation Time 15 minutes 
Registration for RCS 
Paper # RCS2025-250, SR2025-80, SRW2025-58 
Volume (vol) vol.125 
Number (no) no.387(RCS), no.388(SR), no.389(SRW) 
Page p.1 
#Pages 1 
Date of Issue 2026-02-25 (RCS, SR, SRW) 

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