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Paper Abstract and Keywords
Presentation 2010-12-17 14:20
A Study on Interference Restriction Criteria in CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals
Masao Iwasaki, Yoshinari Sato, Kenichi Higuchi (Tokyo Univ. of Science) RCS2010-193
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose two new interference power allocation criteria in the CF-based adaptive PAPR reduction method for eigenmode MIMO-OFDM signals. In the previous our paper, the interference power allocation criterion concentrates interference power caused by CF on the worst channel condition stream(s). This brings about the reduced PAPR reduction capability due to the limited degree of freedom in the interference signal for PAPR reduction, although the capacity degradation can be minimized. The aim of newly evaluated interference power allocation criteria in the paper is to improve the tradeoff between the capacity and PAPR by alleviating the strict interference limitation to the worst channel condition stream(s). We consider two interference power allocation criteria in the paper. First method allows the interference to the streams which has a lower channel capacity than the threshold value determined from the average capacity assuming no CF operation. Second method defines the allowable capacity decrease margin which is common to all streams, and allows interference to all streams provided that the capacity decrease of respective streams due to interference is within the allowable margin. The simulation results elucidate that the proposed new interference power allocation criteria can improve the tradeoff between the capacity and PAPR.
Keyword (in Japanese) (See Japanese page) 
(in English) PAPR / OFDM / MIMO / Precoding / Clipping and filtering / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 340, RCS2010-193, pp. 203-208, Dec. 2010.
Paper # RCS2010-193 
Date of Issue 2010-12-09 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 NS RCS  
Conference Date 2010-12-16 - 2010-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama Univ. 
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 2010-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Interference Restriction Criteria in CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals 
Sub Title (in English)  
Keyword(1) PAPR  
Keyword(2) OFDM  
Keyword(3) MIMO  
Keyword(4) Precoding  
Keyword(5) Clipping and filtering  
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Keyword(8)  
1st Author's Name Masao Iwasaki  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Yoshinari Sato  
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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Speaker Author-1 
Date Time 2010-12-17 14:20:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2010-193 
Volume (vol) vol.110 
Number (no) no.340 
Page pp.203-208 
#Pages
Date of Issue 2010-12-09 (RCS) 


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