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Paper Abstract and Keywords
Presentation 2018-05-31 16:40
[Invited Talk] Blind Interference Suppression on Adaptive Arrays: Comparisons and Applications for Spectrum Sharing
Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Chang-Jun Ahn (Chiba Univ.) CQ2018-22
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents performance comparison of interference suppression on blind adaptive array algorithms. Co-channel interference becomes more extensive due to frequency resource exhaustion and small cell deployment which had been triggered by mobile traffic explosion. Multi-antenna signal processing is an effective means for such co-channel interference suppression. Strict approach is to utilize a priori information of channel state by estimating it via known training sequences. It gratuitously consumes radio resource and thus overhead inflates according to the increase of interference source to be suppressed. In addition, training sequence cannot be shared between wireless communication systems employing different transmission schemes. Here we focus on blind adaptive array where any channel estimation is not required. A number of blind algorithms have been proposed and they have various characteristics. Algorithms of interest are based on constant modulus (CM) and independent component analysis (ICA) criteria. We present fundamental observation of their interference suppression performance compared in terms of modulation order, number of interference sources, and degree of freedom, then derive the most stable approach using ICA incorporated with beamspace pre-processing.
Keyword (in Japanese) (See Japanese page) 
(in English) Adaptive array / Blind algorithm / Interference suppression / Constant modulus / Independent component analysis / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 71, CQ2018-22, pp. 25-30, May 2018.
Paper # CQ2018-22 
Date of Issue 2018-05-24 (CQ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 CQ2018-22

Conference Information
Committee CQ  
Conference Date 2018-05-31 - 2018-06-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba Univ. Nishi-Chiba Campus, academic link center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Efficiency of Wireless Communications, Wireless Communication Quality, MIMO/Diversity/Multiplexing Techniques, Radio Resource Management, Cross-Layer Techniques, etc. 
Paper Information
Registration To CQ 
Conference Code 2018-05-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Blind Interference Suppression on Adaptive Arrays: Comparisons and Applications for Spectrum Sharing 
Sub Title (in English)  
Keyword(1) Adaptive array  
Keyword(2) Blind algorithm  
Keyword(3) Interference suppression  
Keyword(4) Constant modulus  
Keyword(5) Independent component analysis  
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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 Chang-Jun Ahn  
3rd Author's Affiliation Chiba University (Chiba Univ.)
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Speaker
Date Time 2018-05-31 16:40:00 
Presentation Time 40 
Registration for CQ 
Paper # IEICE-CQ2018-22 
Volume (vol) IEICE-118 
Number (no) no.71 
Page pp.25-30 
#Pages IEICE-6 
Date of Issue IEICE-CQ-2018-05-24 


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