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Paper Abstract and Keywords
Presentation 2010-03-05 11:50
Unequal Error Protection based on Nested Transmit Diversity
Koji Ishii (Kagawa Univ.), Kozue Hirata, Shimpei Toh, Minoru Kubota (Sharp Corp.) RCS2009-314
Abstract (in Japanese) (See Japanese page) 
(in English) We have previously proposed the transmit diversity scheme based on a nested code, which named nested transmit diversity. The characteristics of the nested transmit diversity are as follows. Without extra resources (e.g., antenna, time, frequency), the nested transmit diversity can obtain diversity gain over block Rayleigh fading channel. The encoding and decoding operation are simple but very efficient. In the nested transmit diversity scheme, each information sequence is encoded and superimposed onto the other codeword with XOR operation. Compared with a signal superposition (hierarchical) modulation, due to use of XOR operation, the nested transmit diversity has no waste of resource (transmission power) in the case when the receiver knows the superimposing factor. The performance of the nested transmit diversity depends on the number of superimposing (transmitting) and the reliability of superimposing factors. With above characteristics, we design a novel unequal error protection system. From the outage analyses, the performance deeply depends on the number of superimposing. Finally, we show the design criterion of the unequal error protection system with nested transmit diversity.
Keyword (in Japanese) (See Japanese page) 
(in English) UEP / Nested transmit diversity / outage probability / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 440, RCS2009-314, pp. 327-332, March 2010.
Paper # RCS2009-314 
Date of Issue 2010-02-24 (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)
Download PDF RCS2009-314

Conference Information
Committee RCS AN MoNA SR  
Conference Date 2010-03-03 - 2010-03-05 
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 2010-03-RCS-AN-MoMuC-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Unequal Error Protection based on Nested Transmit Diversity 
Sub Title (in English)  
Keyword(1) UEP  
Keyword(2) Nested transmit diversity  
Keyword(3) outage probability  
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1st Author's Name Koji Ishii  
1st Author's Affiliation Kagawa University (Kagawa Univ.)
2nd Author's Name Kozue Hirata  
2nd Author's Affiliation Sharp Corporation (Sharp Corp.)
3rd Author's Name Shimpei Toh  
3rd Author's Affiliation Sharp Corporation (Sharp Corp.)
4th Author's Name Minoru Kubota  
4th Author's Affiliation Sharp Corporation (Sharp Corp.)
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Speaker Author-1 
Date Time 2010-03-05 11:50:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2009-314 
Volume (vol) vol.109 
Number (no) no.440 
Page pp.327-332 
#Pages 6 
Date of Issue 2010-02-24 (RCS) 

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