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Paper Abstract and Keywords
Presentation 2014-06-18 09:24
Design and Performance of a DC Subcarrier Shift-DFT Spreading OFDM Scheme for PAPR Reduction
Shigeki Nihei, Masahiro Umehira, Shigeki Takeda (Ibaraki Univ.) RCS2014-61
Abstract (in Japanese) (See Japanese page) 
(in English) An OFDM (Orthogonal Frequency Division Multiplexing) scheme has been widely used in wireless LAN etc. because of its robustness to frequency selective fading. However it has a drawback of large PAPR (Peak to Average Power Ratio) since it is a multi-carrier transmission scheme. In order to apply DFTs-OFDM (DFT spreading OFDM) for PAPR reduction, it is required to be robust against DC offset error for cost-effective implementation. To solve this problem, this paper proposes a DC-subcarrier shift DFT spreading OFDM scheme to avoid BER performance degradation due to DC offset error, where only DC subcarrier is shifted to another subcarrier position in the transmitter side and it is shifted back to the original subcarrier position in the demodulation side. This paper also describes performance evaluation results by computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) DFTs-OFDM / DC sub-carrier / DC offset / PAPR / Adjacent Channel Leakage Power / SC-FDMA / OFDM /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 86, RCS2014-61, pp. 167-172, June 2014.
Paper # RCS2014-61 
Date of Issue 2014-06-10 (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)
Download PDF RCS2014-61

Conference Information
Committee RCS  
Conference Date 2014-06-17 - 2014-06-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-ken Seinenkaikan (Naha) 
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 2014-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design and Performance of a DC Subcarrier Shift-DFT Spreading OFDM Scheme for PAPR Reduction 
Sub Title (in English)  
Keyword(1) DFTs-OFDM  
Keyword(2) DC sub-carrier  
Keyword(3) DC offset  
Keyword(4) PAPR  
Keyword(5) Adjacent Channel Leakage Power  
Keyword(6) SC-FDMA  
Keyword(7) OFDM  
Keyword(8)  
1st Author's Name Shigeki Nihei  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Masahiro Umehira  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
3rd Author's Name Shigeki Takeda  
3rd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2014-06-18 09:24:00 
Presentation Time 8 minutes 
Registration for RCS 
Paper # RCS2014-61 
Volume (vol) vol.114 
Number (no) no.86 
Page pp.167-172 
#Pages 6 
Date of Issue 2014-06-10 (RCS) 

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