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Paper Abstract and Keywords
Presentation 2014-10-27 13:50
Performance Enhancement for Single Symbol Decodable AMC QO-STBC/OFDM with Asymmetric Constellation
Masayuki Kitakata, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) SRW2014-30
Abstract (in Japanese) (See Japanese page) 
(in English) STBC is a technique to achieve transmit diversity.
QO-STBC is full rate STBC constructed from relaxing orthogonality, and requires a decoder to search symbol pairs with ML decoding.
Motivated by this, we have proposed single symbol decodable QO-STBC with full diversity.
This code achieves full transmit rate and low system complexity.
However, the proposed QO-STBC can achieve a throughput performance like SISO.
In order to exploit the advantages of single symbol decodable QO-STBC, the combination of the proposed QO-STBC and an adaptive modulation has been considered.
To enhance the system performances of AMC QO-STBC, we introduce asymmetric constellation as one of modulation methods.
The system performances of non-adaptive QO-STBC and single symbol decodable AMC QO-STBC are evaluated and compared.
It is shown that the proposed scheme can greatly improve the performance of non-adaptive QO-STBC system.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO / STBC / QO-STBC / power imbalance / adaptive modulation / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 279, SRW2014-30, pp. 31-35, Oct. 2014.
Paper # SRW2014-30 
Date of Issue 2014-10-20 (SRW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SRW2014-30

Conference Information
Committee SRW  
Conference Date 2014-10-27 - 2014-10-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network,MAC,sensor,etc. 
Paper Information
Registration To SRW 
Conference Code 2014-10-SRW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Enhancement for Single Symbol Decodable AMC QO-STBC/OFDM with Asymmetric Constellation 
Sub Title (in English)  
Keyword(1) MIMO  
Keyword(2) STBC  
Keyword(3) QO-STBC  
Keyword(4) power imbalance  
Keyword(5) adaptive modulation  
1st Author's Name Masayuki Kitakata  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Chang-Jun Ahn  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Tatsuya Omori  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Ken-ya Hashimoto  
4th Author's Affiliation Chiba University (Chiba Univ.)
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Date Time 2014-10-27 13:50:00 
Presentation Time 25 
Registration for SRW 
Paper # IEICE-SRW2014-30 
Volume (vol) IEICE-114 
Number (no) no.279 
Page pp.31-35 
#Pages IEICE-5 
Date of Issue IEICE-SRW-2014-10-20 

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