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Paper Abstract and Keywords
Presentation 2010-08-27 09:40
Investigations on CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals
Ryosuke Kimura, Yuki Tajika, Kenichi Higuchi (Tokyo Univ. of Science) RCS2010-95
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates an application of the previously proposed adaptive peak-to-average power ratio (PAPR) reduction method based on the clipping and filtering to the block diagonalization-based multiuser multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) transmission. Assuming that the total number of 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 for a given PAPR. Simulation results demonstrate the capacity gain by using the proposed method compared to the conventional method.
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. 175, RCS2010-95, pp. 101-106, Aug. 2010.
Paper # RCS2010-95 
Date of Issue 2010-08-19 (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 SAT RCS  
Conference Date 2010-08-26 - 2010-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2010-08-SAT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigations on CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals 
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 Yuki Tajika  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Kenichi Higuchi  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Date Time 2010-08-27 09:40:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2010-95 
Volume (vol) IEICE-110 
Number (no) no.175 
Page pp.101-106 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2010-08-19 

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