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A New Structure LDPC Codes Improved of QC-LDPC Codes
Wenjun Zhang *
Inst of Coding & Inform Tech.Chongqing Univ. of Posts &Telecomm.
*Correspondence author
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Funding: none
Opened online:16 May 2008
Accepted by: none
Citation: Wenjun Zhang.A New Structure LDPC Codes Improved of QC-LDPC Codes[OL]. [16 May 2008] http://en.paper.edu.cn/en_releasepaper/content/21463
 
 
Low-Density Parity-Check (LDPC) code is a good linear block codes, which performs at a rate extremely close to shannon capacity. Quasi-cyclic (QC) LDPC form an important subclass of LDPC codes. In this paper, we presents an improved structure of QC-LDPC codes. It is shown that the perfoemance of the improved code is even better than QC-LDPC codes in moderate and long frame length. And because of its structure,the encoding implemention is more suitable than QC-LDPC codes.
Keywords:QC-LDPC codes encoder Structure-LDPC
 
 
 

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