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Paper Abstract and Keywords
Presentation 2007-05-18 14:00
A study on space-frequency codes for MIMO-OFDM system
Tatsumi Konishi (Aichi Inst Tech) IT2007-1
Abstract (in Japanese) (See Japanese page) 
(in English) In case of wireless communiction systems with the large number of propagation paths, the channel shows frequency selectivity,
resulting in intersymbol interference (ISI) that can cause serious performance degradation. Orthogonal frequency division multiplexing (OFDM)
is well-known one of the ISI mitigating approaches. Recently, in order to combine the MIMO systems and the OFDM, space-frequency (SF)
coded MIMO-OFDM systems have been proposed. Among them, the SF codes using diagonal cyclic space-time codes achive full rate
full diversity. In this paper, we propose to extend the SF codewords to achieve higher data rate employing Weyl group.
We show that the proposed codes outperforms the previously codes about coding rates and error rates.
Keyword (in Japanese) (See Japanese page) 
(in English) space-frequency coding / MIMO-OFDM / full-diversity / frequency-selective fading / diversity product / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 42, IT2007-1, pp. 1-5, May 2007.
Paper # IT2007-1 
Date of Issue 2007-05-11 (IT) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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 IT2007-1

Conference Information
Committee IT  
Conference Date 2007-05-18 - 2007-05-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Denkoku-No-Mori (Yonezawa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) general 
Paper Information
Registration To IT 
Conference Code 2007-05-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on space-frequency codes for MIMO-OFDM system 
Sub Title (in English)  
Keyword(1) space-frequency coding  
Keyword(2) MIMO-OFDM  
Keyword(3) full-diversity  
Keyword(4) frequency-selective fading  
Keyword(5) diversity product  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Tatsumi Konishi  
1st Author's Affiliation Aichi Institute of Technology (Aichi Inst Tech)
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Speaker Author-1 
Date Time 2007-05-18 14:00:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2007-1 
Volume (vol) vol.107 
Number (no) no.42 
Page pp.1-5 
#Pages 5 
Date of Issue 2007-05-11 (IT) 

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