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 |
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) |
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SIP2010-82 RCS2010-212 |
Conference Information |
Committee |
SIP RCS |
Conference Date |
2011-01-20 - 2011-01-21 |
Place (in Japanese) |
(See Japanese page) |
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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) |
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Keyword(1) |
PAPR |
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OFDM |
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MIMO |
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Precoding |
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Block diagonalization |
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Clipping and filtering |
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1st Author's Name |
Ryosuke Kimura |
1st Author's Affiliation |
Tokyo University of Science (Tokyo Univ. of Science) |
2nd Author's Name |
Kenichi Higuchi |
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Tokyo University of Science (Tokyo Univ. of Science) |
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Speaker |
Author-1 |
Date Time |
2011-01-20 14:15:00 |
Presentation Time |
25 minutes |
Registration for |
RCS |
Paper # |
SIP2010-82, RCS2010-212 |
Volume (vol) |
vol.110 |
Number (no) |
no.368(SIP), no.369(RCS) |
Page |
pp.79-84 |
#Pages |
6 |
Date of Issue |
2011-01-13 (SIP, RCS) |
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