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Paper Abstract and Keywords
Presentation 2019-03-06 14:35
[Invited Lecture] Blind Adaptive Array with Time-Domain Symbol Spreading
Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Yu Nakayama (Aoyama Gakuin Univ.), Chang-Jun Ahn (Chiba Univ.) RCS2018-296
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a time-domain symbol spreading (TSS) to expand the operational region of the blind adaptive array interference suppression. Independent component analysis (ICA) and constant modulus algorithm (CMA) are expected as the promising approaches to suppress unknown interference which extensively causes due to the small cell densification and spectrum sharing between plurality of wireless communication systems. These blind algorithms basically requires input signal-to-interference power ratio (SIR) to be larger than 0 dB in order to appropriately suppress interference. The proposed scheme applies TSS to the transmission signal for the desired user and then de-spreads at the receiver side. It results in spreading the interference signal and can bring beneficial effects that is to reduce the kurtosis as well as to collapse the constant modulus properties. Such intentional modification to the interference signals can improve the capture performance of the desired signal and realizes effective interference suppression even when SIR < 0 dB. Computer simulation presents its fundamental effectiveness.
Keyword (in Japanese) (See Japanese page) 
(in English) Adaptive array / Interference suppression / Blind / Independent component analysis / Constant modulus algorithm / Time-domain symbol spreading / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 474, RCS2018-296, pp. 77-82, March 2019.
Paper # RCS2018-296 
Date of Issue 2019-02-27 (RCS) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee RCS SR SRW  
Conference Date 2019-03-06 - 2019-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2019-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Blind Adaptive Array with Time-Domain Symbol Spreading 
Sub Title (in English)  
Keyword(1) Adaptive array  
Keyword(2) Interference suppression  
Keyword(3) Blind  
Keyword(4) Independent component analysis  
Keyword(5) Constant modulus algorithm  
Keyword(6) Time-domain symbol spreading  
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1st Author's Name Kazuki Maruta  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Kentaro Nishimori  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Yu Nakayama  
3rd Author's Affiliation Aoyama Gakuin University (Aoyama Gakuin Univ.)
4th Author's Name Chang-Jun Ahn  
4th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2019-03-06 14:35:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2018-296 
Volume (vol) vol.118 
Number (no) no.474 
Page pp.77-82 
#Pages
Date of Issue 2019-02-27 (RCS) 


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