Matrices

NB-LDPC matrices and simulation results

Matrices and simulation results from UBS

Matrices and simulation results (old)

Matrices construction

• NB-LDPC matrix alist format
• Construction of Good Non-Binary Low Density Parity Check codes
• Optimization of Non Binary Parity Check Coefficients

Links to NB-LDPC matrices

• From D. MacKay
• From Kaiserslautern
• CCSDS matrices CCSDS_orange.pdf (CCSDS, ORANGE BOOK, 2015)
• BeiDou-3 standard B1C Open Service Signal B1C, 2017
• BeiDou-3 standard B2a Open Service Signal B2a, 2017
• BeiDou-3 standard B2b Open Service Signal B2b

Toolbox

Matlab functions

• Show in color a NB LDPC matrix show_matrix.m
• Convert from matrix to alist matrix2alist.m
• Convert from alist to matrix alist2matrix.m

C code

• C code that find girth of a matrix and provide all cycles LDPCycleList.zip

If you have a special request for a particular code construction, please, send a mail to labsticc.nb-ldpc-request@listes.univ-ubs.fr