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Paper Abstract and Keywords
Presentation 2008-10-22 13:00
Investigation on frequency domain equalizer for over CP delay multi-path waves in OFDM reciever
Jialin Ren, Tomohisa Wada (Ryukyus Univ.) RCS2008-103
Abstract (in Japanese) (See Japanese page) 
(in English) In Terrestrial Digital TV Broadcasting，Wireless LAN and so on，which used big-sized OFDM transmission method，Through a multi-path channel，When a delay wave is recieved more lately than CP（Cyclic Prefix）sequence could cover，ISI（Intersymbol Interference）will happen．The ISI canceller has been proposed for ADSL system and so on，of small-capacity．In this paper，we investigated the ISI canceller which used subcarriers unused，and simulate in a high-capacyty OFDM system．The simulation results show the performance of the proposed equalizer on reducing the ISI caused by over CP delay multi-path wave can cover the length which is 2% longer than the length of CP sequence．
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / over CP delay / Intersymbol Interference / Diagonalization / block equalizer / unused subcarriers / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 249, RCS2008-103, pp. 1-6, Oct. 2008.
Paper # RCS2008-103 
Date of Issue 2008-10-15 (RCS) 
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)
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Conference Information
Committee SR RCS USN AN  
Conference Date 2008-10-22 - 2008-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa industry support center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless discributed network special session and general session 
Paper Information
Registration To RCS 
Conference Code 2008-10-SR-RCS-USN-AN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation on frequency domain equalizer for over CP delay multi-path waves in OFDM reciever 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) over CP delay  
Keyword(3) Intersymbol Interference  
Keyword(4) Diagonalization  
Keyword(5) block equalizer  
Keyword(6) unused subcarriers  
Keyword(7)  
Keyword(8)  
1st Author's Name Jialin Ren  
1st Author's Affiliation University of the Ryukyus (Ryukyus Univ.)
2nd Author's Name Tomohisa Wada  
2nd Author's Affiliation University of the Ryukyus (Ryukyus Univ.)
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Speaker Author-1 
Date Time 2008-10-22 13:00:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2008-103 
Volume (vol) vol.108 
Number (no) no.249 
Page pp.1-6 
#Pages 6 
Date of Issue 2008-10-15 (RCS) 

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