Girth-twelve column-weight two QC-LDPC codes

Version 1.0.0.0 (2.8 KB) by Gabofetswe Malema
contructs girth-twelve column-weight two qc-LDPC codes
2.5
(2)
1.9K Downloads
Updated 10 Jul 2008

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The program constructs girth-twelve column-weight QC-LPDC codes. The rate can be changed by changing k(row-weight), size is changed by varying m(sub-matrix size). The program/algorithm does not guarantee to get girth twelve code. It guarantees girth of eight. One may need to run the programs many times to get girth of twelve.

Cite As

Gabofetswe Malema (2024). Girth-twelve column-weight two QC-LDPC codes (https://www.mathworks.com/matlabcentral/fileexchange/18265-girth-twelve-column-weight-two-qc-ldpc-codes), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14SP1
Compatible with any release
Platform Compatibility
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Version Published Release Notes
1.0.0.0

The previous version construct a code even when it failed to find a row satifying the desired distance. In the new version the algoirthm quits when it fails. Extra conditions are added to avoid eight-cycles.