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Paper Abstract and Keywords
Presentation 2015-12-18 09:10
A study on partial scrambling SLM for PAPR reduction of OFDM signals
Yusuke Ohki, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) RCS2015-260
Abstract (in Japanese) (See Japanese page) 
(in English) One of major drawbacks in OFDM is its high peak-to-average power ratio(PAPR). As a conventional method to reduce PAPR in OFDM transmitter, a self-synchronized scrambler-based selected mapping method(SS-SLM) has been investigated. In this method, a self-synchronized scrambler is utilized to generate candidate sequences in SLM. At the receiver side, original data sequence is obtained by descrambling operation causes error propagation that degrades bit error(BER) performance. To deal with this problem, in this paper, we consider a partial scrambling SLM-SS(PSLM-SS) where only most significant bits allocated to I- and Q-phase of QAM symbol are scrambled to reduce PAPR of QAM-OFDM signals. Using PSS-SLM, error propagation is effectively mitigated when QAM is used as subcarrier modulation. Simulation results show instantaneous power at CCDF=10^-4 is reduced by about 3.5dB by using PSS-SLM while mitigating BER degradation.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / Peak-to-Average Power Ratio(PAPR) / PAPR reduction / SLM / Scrambler / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 369, RCS2015-260, pp. 99-102, Dec. 2015.
Paper # RCS2015-260 
Date of Issue 2015-12-10 (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 RCS2015-260

Conference Information
Committee NS RCS  
Conference Date 2015-12-17 - 2015-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Matsuyama Community Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network 
Paper Information
Registration To RCS 
Conference Code 2015-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on partial scrambling SLM for PAPR reduction of OFDM signals 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) Peak-to-Average Power Ratio(PAPR)  
Keyword(3) PAPR reduction  
Keyword(4) SLM  
Keyword(5) Scrambler  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yusuke Ohki  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Osamu Muta  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Hiroshi Furukawa  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2015-12-18 09:10:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2015-260 
Volume (vol) vol.115 
Number (no) no.369 
Page pp.99-102 
#Pages 4 
Date of Issue 2015-12-10 (RCS) 

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