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Paper Abstract and Keywords
Presentation 2019-03-08 13:00
A Study on PAPR Reduction of DFT-s-OFDM Signals via Phase Rotation
Hikaru Kawasaki, Kentaro Ishizu, Fumihide Kojima (NICT) CAS2018-141 CS2018-109
Abstract (in Japanese) (See Japanese page) 
(in English) DFT-s-OFDM has been adopted in the 4G LTE uplink (UL) which is induced by DFT-precoding to reduce high peak-to-average-power ratio (PAPR) of usual OFDM signals. In 5G, demands to further reduce PAPR of UL signals get stronger to save power consumption and implementation cost for new services of internet of things and device-to-device communications. This study reveals theoretical analyses on PAPR reduction schemes by phase rotation, and as a result, proposes a novel scheme named as π/2
-4PAM. Compared with conventional π/4-QPSK, π/2-4PAM provides equivalent PAPR performance with high computational efficiency although the BER are degraded.
Keyword (in Japanese) (See Japanese page) 
(in English) DFT-s-OFDM / PAPR / phase rotation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 489, CS2018-109, pp. 15-20, March 2019.
Paper # CS2018-109 
Date of Issue 2019-03-01 (CAS, CS) 
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 CAS2018-141 CS2018-109

Conference Information
Committee CAS CS  
Conference Date 2019-03-08 - 2019-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Shonan Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network processor, Signal processing and circuits for communications, Wireless LAN / PAN, etc. 
Paper Information
Registration To CS 
Conference Code 2019-03-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on PAPR Reduction of DFT-s-OFDM Signals via Phase Rotation 
Sub Title (in English)  
Keyword(1) DFT-s-OFDM  
Keyword(2) PAPR  
Keyword(3) phase rotation  
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1st Author's Name Hikaru Kawasaki  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Kentaro Ishizu  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Fumihide Kojima  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker
Date Time 2019-03-08 13:00:00 
Presentation Time 25 
Registration for CS 
Paper # IEICE-CAS2018-141,IEICE-CS2018-109 
Volume (vol) IEICE-118 
Number (no) no.488(CAS), no.489(CS) 
Page pp.15-20 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2019-03-01,IEICE-CS-2019-03-01 


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