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Paper Abstract and Keywords
Presentation 2010-03-02 11:30
Robust MMSE Signal detection by Projection method for MC/CDMA Communication Systems
Akihiko Furuya, Kohei Otake (Hosei Univ) CAS2009-115 SIP2009-160 CS2009-110
Abstract (in Japanese) (See Japanese page) 
(in English) The MC/CDMA communication system has received much attention as one of the most promising systems for the future high-speed mobile communication because of its high frequency utilization efficiency and easy equalization of received data, suffered from only flat fading under multipath environments. But, when applying the MMSE signal detection, there occurs such a problem that it is very sensitive to channel estimation errors, causing severe performance degradation. The authors previously reported Reduced-Rank signal detection approach as a method to provide robustness against the channel estimation errors. These methods, however, have an issue of optimal parameter adjustment, and thus in this time we propose a projection method with no need of parameter optimization, where the robustness is achieved simply because the weight vector components in the orthogonal complement of the signal subspace are filtered out. We experimentally compare both methods in terms of robustness by computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) MC/CDMA / projection method / robustness / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 436, CS2009-110, pp. 215-220, March 2010.
Paper # CS2009-110 
Date of Issue 2010-02-22 (CAS, SIP, CS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 CAS2009-115 SIP2009-160 CS2009-110

Conference Information
Committee SIP CAS CS  
Conference Date 2010-03-01 - 2010-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Breeze Bay Marina, Miyakojima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal processing for networking and communications, and others 
Paper Information
Registration To CS 
Conference Code 2010-03-SIP-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Robust MMSE Signal detection by Projection method for MC/CDMA Communication Systems 
Sub Title (in English)  
Keyword(1) MC/CDMA  
Keyword(2) projection method  
Keyword(3) robustness  
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1st Author's Name Akihiko Furuya  
1st Author's Affiliation hosei University (Hosei Univ)
2nd Author's Name Kohei Otake  
2nd Author's Affiliation hosei University (Hosei Univ)
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Speaker Author-1 
Date Time 2010-03-02 11:30:00 
Presentation Time 20 minutes 
Registration for CS 
Paper # CAS2009-115, SIP2009-160, CS2009-110 
Volume (vol) vol.109 
Number (no) no.434(CAS), no.435(SIP), no.436(CS) 
Page pp.215-220 
#Pages
Date of Issue 2010-02-22 (CAS, SIP, CS) 


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