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Paper Abstract and Keywords
Presentation 2008-01-24 14:45
A study on channel prediction and decision-feedback assisted channel tracking for IEEE802.16e based OFDM system
Sang-Woo Kim, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) SIP2007-145 RCS2007-148
Abstract (in Japanese) (See Japanese page) 
(in English) OFDM is an attractive system for high spectral efficiency and capability of multipath fading compensation. In high-speed fading environments, however, channel tracking during the data period becomes a substantial technique to maintain good BER performance since channel change from the initial estimate using preamble symbols cannot be ignored. In this paper, we focus on the decision feedback channel tracking and propose a way to generate more accurate replicas by switching the decoder output based on a property of concatenated codes. In addition, we introduce a linear prediction method with two different techniques for the estimate of prediction coefficients. The simulation results show the effectiveness of these proposed methods under an IEEE 802.16e-OFDM model with 250 Hz and higher Doppler frequency.
Keyword (in Japanese) (See Japanese page) 
(in English) IEEE802.16e / OFDM / Fast fading / Channel tracking / Decision feedback / Channel prediction / Linear prediction /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 440, RCS2007-148, pp. 85-90, Jan. 2008.
Paper # RCS2007-148 
Date of Issue 2008-01-17 (SIP, 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)
Download PDF SIP2007-145 RCS2007-148

Conference Information
Committee RCS SIP  
Conference Date 2008-01-24 - 2008-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City Uni. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2008-01-RCS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on channel prediction and decision-feedback assisted channel tracking for IEEE802.16e based OFDM system 
Sub Title (in English)  
Keyword(1) IEEE802.16e  
Keyword(2) OFDM  
Keyword(3) Fast fading  
Keyword(4) Channel tracking  
Keyword(5) Decision feedback  
Keyword(6) Channel prediction  
Keyword(7) Linear prediction  
Keyword(8)  
1st Author's Name Sang-Woo Kim  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Toshihiko Nishimura  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Takeo Ohgane  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Yasutaka Ogawa  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2008-01-24 14:45:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # SIP2007-145, RCS2007-148 
Volume (vol) vol.107 
Number (no) no.438(SIP), no.440(RCS) 
Page pp.85-90 
#Pages 6 
Date of Issue 2008-01-17 (SIP, RCS) 

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