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Paper Abstract and Keywords
Presentation 2011-01-20 14:15
CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals in Frequency-Selective Faded Channel
Ryosuke Kimura, Kenichi Higuchi (Tokyo Univ. of Science) SIP2010-82 RCS2010-212
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates a tradeoff between peak-to-average power ratio (PAPR) and achievable capacity of the proposed PAPR reduction method based on clipping and filtering (CF) for the block diagonalization-based multiuser multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) transmission in frequency-selective faded channel. Assuming that the number of total receiver antennas is smaller than that of the transmitter antennas, we introduce virtual streams used for the PAPR reduction only and the precoding matrix for these virtual streams which does not cause interference from the virtual streams to the actual data streams. Since the interference caused by the clipping operation is concentrated on the virtual streams and that to the actual data stream is restricted as a result, the proposed method can largely improve the channel capacity compared to the conventional clipping and filtering method. Simulation results elucidate that the proposed method shows that the PAPR is greatly reductive as the number of frequency blocks increases.
Keyword (in Japanese) (See Japanese page) 
(in English) PAPR / OFDM / MIMO / Precoding / Block diagonalization / Clipping and filtering / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 369, RCS2010-212, pp. 79-84, Jan. 2011.
Paper # RCS2010-212 
Date of Issue 2011-01-13 (SIP, RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SIP RCS  
Conference Date 2011-01-20 - 2011-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To RCS 
Conference Code 2011-01-SIP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals in Frequency-Selective Faded Channel 
Sub Title (in English)  
Keyword(1) PAPR  
Keyword(2) OFDM  
Keyword(3) MIMO  
Keyword(4) Precoding  
Keyword(5) Block diagonalization  
Keyword(6) Clipping and filtering  
1st Author's Name Ryosuke Kimura  
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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Date Time 2011-01-20 14:15:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-SIP2010-82,IEICE-RCS2010-212 
Volume (vol) IEICE-110 
Number (no) no.368(SIP), no.369(RCS) 
Page pp.79-84 
#Pages IEICE-6 
Date of Issue IEICE-SIP-2011-01-13,IEICE-RCS-2011-01-13 

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