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Paper Abstract and Keywords
Presentation 2010-06-18 09:30
Frequency-Domain Punctured Turbo Codes
Koichi Tahara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2010-33
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a frequency-domain puncturing method for turbo code. Conventional rate control for turbo code is achieved by time-domain puncturing, where some of the coded bits (parity bits) are punctured for increasing the code rate. Meanwhile, the proposed puncturing is done in frequency-domain. After performing the discrete Fourier transform (DFT) to the transmission coded symbols, some of the frequency components (spectrum) are punctured for increasing the code rate. Different from the conventional time-domain puncturing, the frequency-domain puncturing can transmit all the coded bits. Therefore, the coding gain is expected to increase. However, the frequency-domain puncturing operation causes the inter-symbol interference (ISI). Therefore, we propose to apply the frequency-domain turbo equalization based on the soft canceller followed by minimum mean squared error filter (SC/MMSE) at the receiver to mitigate the ISI. The simulation results elucidate that the additional use of the frequency-domain puncturing can improve the bit error rate (BER) and frame error rate (FER) comparing to the pure time-domain puncturing.
Keyword (in Japanese) (See Japanese page) 
(in English) Turbo code / rate control / puncturing / SC/MMSE / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 77, RCS2010-33, pp. 91-96, June 2010.
Paper # RCS2010-33 
Date of Issue 2010-06-10 (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 RCS2010-33

Conference Information
Committee RCS  
Conference Date 2010-06-17 - 2010-06-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2010-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Frequency-Domain Punctured Turbo Codes 
Sub Title (in English)  
Keyword(1) Turbo code  
Keyword(2) rate control  
Keyword(3) puncturing  
Keyword(4) SC/MMSE  
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1st Author's Name Koichi Tahara  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Kenichi Higuchi  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2010-06-18 09:30:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2010-33 
Volume (vol) vol.110 
Number (no) no.77 
Page pp.91-96 
#Pages 6 
Date of Issue 2010-06-10 (RCS) 

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