Paper Abstract and Keywords |
Presentation |
2007-01-24 13:20
Peak Power Reduction Method Based on Structure of Parity-check Matrix for LDPC coded OFDM transmission Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.) SIP2006-126 RCS2006-184 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In this paper, we propose a peak power reduction method based on structure of parity-check matrix for LDPC coded OFDM system, where
transmit data sequence is grouped into several clusters on the basis of structure of parity-check matrix. The transmitter structure in the proposed system is similar to the partial transmit sequence and weighting factors (WFs) are estimated with sufficient accuracy by exploiting the decoding property of LDPC code. When LDPC code with code-rate of R=1/2, PAPR of OFDM signal can be reduced by about 2.4dB without significant degradation in BLER performance in attenuated 12-path Rayleigh fading condition. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
OFDM / Peak-to-average power ratio / Peak power reduction / LDPC code / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 106, no. 478, RCS2006-184, pp. 55-60, Jan. 2007. |
Paper # |
RCS2006-184 |
Date of Issue |
2007-01-17 (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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SIP2006-126 RCS2006-184 |
Conference Information |
Committee |
RCS SIP |
Conference Date |
2007-01-24 - 2007-01-26 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
NICT Okinawa |
Topics (in Japanese) |
(See Japanese page) |
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Paper Information |
Registration To |
RCS |
Conference Code |
2007-01-RCS-SIP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Peak Power Reduction Method Based on Structure of Parity-check Matrix for LDPC coded OFDM transmission |
Sub Title (in English) |
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OFDM |
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Peak-to-average power ratio |
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Peak power reduction |
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LDPC code |
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1st Author's Name |
Osamu Muta |
1st Author's Affiliation |
Kyushu University (Kyushu Univ.) |
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Yoshihiko Akaiwa |
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Kyushu University (Kyushu Univ.) |
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Speaker |
Author-1 |
Date Time |
2007-01-24 13:20:00 |
Presentation Time |
20 minutes |
Registration for |
RCS |
Paper # |
SIP2006-126, RCS2006-184 |
Volume (vol) |
vol.106 |
Number (no) |
no.475(SIP), no.478(RCS) |
Page |
pp.55-60 |
#Pages |
6 |
Date of Issue |
2007-01-17 (SIP, RCS) |
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