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Paper Abstract and Keywords
Presentation 2007-10-18 16:00
Blind Detection of Heterogeneous Stream MIMO Transmission for Mobile Radio Communications
Issei Kanno, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Tech) RCS2007-84
Abstract (in Japanese) (See Japanese page) 
(in English) This report proposes a novel MIMO system that introduces heterogeneous stream (HTS) type transmission and blind signal detection for mobile wireless communications. HTS utilizes different modulation or coding schemes for respective MIMO streams. As a merit of the proposed system, no training sequence is needed for the signal separation and detection because of the blind detection. As another merit, HTS can removes the ambiguity in identifying the separated streams without unique words which are necessary to insert in respective streams for conventional blind MIMO detection methods. As examples of HTS, this study investigates the modulation type HTS (MHTS) and timing-offset type HTS (THTS) in detail. MHTS utilizes modulations with the same bandwidth and different constellations for respective streams, whereas THTS utilizes different timing with the same modulation. For the blind detection and channel estimation, the algorithms used in the effective adaptive blind MLSE equalizer is modified and applied to the MIMO-MLSE blind detector. Computer simulations show that the system achieves the BER performance with small degradation of $1$ dB in THTS and $2.5$ dB in MHTS from the ideal maximum likelihood detection.
Keyword (in Japanese) (See Japanese page) 
(in English) Mobile communications / MIMO / heterogeneous streams / adaptive MIMO-MLSE detector / blind signal detection / stream ambiguity / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 262, RCS2007-84, pp. 25-30, Oct. 2007.
Paper # RCS2007-84 
Date of Issue 2007-10-11 (RCS) 
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)
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Conference Information
Committee RCS  
Conference Date 2007-10-18 - 2007-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Uni. of Science, Suwa 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2007-10-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Blind Detection of Heterogeneous Stream MIMO Transmission for Mobile Radio Communications 
Sub Title (in English)  
Keyword(1) Mobile communications  
Keyword(2) MIMO  
Keyword(3) heterogeneous streams  
Keyword(4) adaptive MIMO-MLSE detector  
Keyword(5) blind signal detection  
Keyword(6) stream ambiguity  
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Keyword(8)  
1st Author's Name Issei Kanno  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Hiroshi Suzuki  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Kazuhiko Fukawa  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2007-10-18 16:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2007-84 
Volume (vol) vol.107 
Number (no) no.262 
Page pp.25-30 
#Pages
Date of Issue 2007-10-11 (RCS) 


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