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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
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Download PDF 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) 
Topics (in English)  
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)  
Keyword(1) OFDM  
Keyword(2) Peak-to-average power ratio  
Keyword(3) Peak power reduction  
Keyword(4) LDPC code  
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1st Author's Name Osamu Muta  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Yoshihiko Akaiwa  
2nd Author's Affiliation 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
Date of Issue 2007-01-17 (SIP, RCS) 


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