Re: problems about LDPC encode and decode

[Marcus Müller]

Hi Amy,

so, what's the dimension of your G?

On 10/27/20 2:31 PM, HE Amy wrote:
> Hi, guys
>
>   I met some problems with LDPC encoding and decoding.For the “LDPC 
> Encoder Definition(Via Generator)”, I input the G-matrix alist file 
> (n_0208_k_0040_gen.alist) which I created, but it can’t run.
>
>   I want to realize the functions of CRC encoding, LDPC encoding and 
> decoding, and BPSK modulation.The error shows:ERROR: Frame size (12064 
> bits) must be a multiple of the information word size of the LDPC 
> matrix (40).Traceback (most recent call last)……RuntimeError: 
> ldpc_gen_mtrx_encoder: cannot use frame size.
>
>    I am very distressed,  Frame size (12064 bits)?
>
>   I set frame_size_G=36 byte, CRC=4 byte, the data entered into the 
> LDPC encoding module should be 40 byte, do I have to set  k about 
> G_matrix  into an  exact divisor of 12064 bits?
>
>   Please help me ,thanks.
>
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