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Paper Abstract and Keywords
Presentation 2006-06-23 11:20
BER Performance of Clipped and Filtered OFDM/TDM with Pilot-assisted Channel Estimation
Haris Gacanin, Fumiyuki Adachi (Tohoku Univ.) RCS2006-48
Abstract (in Japanese) (See Japanese page) 
(in English) Orthogonal frequency division multiplexing combined with time division multiplexing (OFDM/TDM) was proposed to overcome the high peak-to-average-power ratio (PAPR) of conventional OFDM. Clipping and filtering can be used to further reduce the PAPR. OFDM/TDM with minimum mean square error (MMSE) frequency-domain equalization (FDE) requires accurate channel estimation (CE). In this paper, pilot-assisted CE with frequency-domain interpolation for clipped and filtered OFDM/TDM with MMSE-FDE is presented. We consider frequency-domain polynomial (i.e., linear and second-order) and delay time-domain interpolation techniques. In the frequency-selective fading channel, frequency-domain linear and second-order polynomial interpolation gives poor performance while good performance is obtained with delay time-domain interpolation. It is shown that as the channel frequency-selectivity increases, OFDM/TDM with MMSE-FDE can obtain larger frequency diversity gain and improve the bit error rate (BER) performance.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM/TDM / MMSE-FDE / pilot-assisted channel estimation / clipping / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 119, RCS2006-48, pp. 77-82, June 2006.
Paper # RCS2006-48 
Date of Issue 2006-06-15 (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)
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Conference Information
Committee RCS  
Conference Date 2006-06-22 - 2006-06-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Inst. Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2006-06-RCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) BER Performance of Clipped and Filtered OFDM/TDM with Pilot-assisted Channel Estimation 
Sub Title (in English)  
Keyword(1) OFDM/TDM  
Keyword(2) MMSE-FDE  
Keyword(3) pilot-assisted channel estimation  
Keyword(4) clipping  
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1st Author's Name Haris Gacanin  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Fumiyuki Adachi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2006-06-23 11:20:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2006-48 
Volume (vol) vol.106 
Number (no) no.119 
Page pp.77-82 
#Pages
Date of Issue 2006-06-15 (RCS) 


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