Rolf Johannesson, Professor emeritus

Parity-check matrices of QC LDPC codes

Rate 1/2  :  

 b=12, c=24, n=576, 2304    

 WIMAX n=576, 2304  

b=16, c=32, n= 2304 

 b=24, c=48, n= 2304  

b=16, c=32, n=64800 

b=18, c=36, n= 64800 

b=18, c=36, n= 64800 (relaxed encoding complexity restriction) 

Rate 3/4  :

 b=6, c=24, n=2304 

 WIMAX (A) 2304 

 WIMAX (B) 2304

  b=12, c=48, n=2304

 Degree matrices of LDPC convolutional codes

 b=12, c=24, μ=12  

 b=12, c=24, μ=48 

Degree matrices of nonbinary QC LDPC codes

b=1170, c=2340  over GF(2^8) 

b=108, c=216  over GF(2^8) 

b=26, c=52  over GF(2^8) 

b=26, c=52  over GF(2^8), TB length=40, matrix of coefficients 

b=26, c=52  over GF(2^8), TB length=40, degree matrix 

Degree matrices of QC LDPC codes optimized for FTN signaling

b=18 c=36,n=64800