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LDPC matrix

25 May 2009

A matlab code written for generating LDPC matrix having memory M and periode T = M-1

File Information
Description	A program written for generating LDPC matrix in the as pattern as discussed in the research paper , " Time varying periodic convolutional codes with low density parity check matrix" by Alberto jiménez Felström and Kamil Sh. zigangirov IEEE Transaction on information theory vol 45 no 6 sept 1999. pages 2181-2191
MATLAB release	MATLAB 7.3 (R2006b)
Zip File Content
Other Files	const_ldpccc_mat.m, license.txt

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Comments and Ratings (1)
07 Jun 2009	Yang Xiao	1. Your code has many girth-4, which means that the decoder of your codes can not provide correct solutions very fast. I is well known that good LDPC codes should have no girth-4 firstly. 2. I don't know why you can have such low level error in your code design.

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Tag Activity for this File
Tag	Applied By	Date/Time
ldpc	Zahoor	26 May 2009 12:36:18

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