BCH code (63,56) as expurgated Hamming (63,57) code

[poluekt]

Hi, all!

I search H-matrix for expurgated expurgated Hamming code (63,56). This code is used for CCSDS tc decoding.
The generator polynomial
g(x) =x⁷ +x⁶ + x² + 1

 

[poluekt]

For implementation see Figure 3-2 at CCSDS 231.0-B-2.