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Frozenbits_generator_GA #12

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Aishusiva opened this issue Dec 14, 2020 · 4 comments
Open

Frozenbits_generator_GA #12

Aishusiva opened this issue Dec 14, 2020 · 4 comments

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@Aishusiva
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How does the function Frozenbits_generator_GA produce the same set of frozen bits for all the input message bits?

@SubtleMuffin
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Why would the frozen bits has anything to do with info bits?

If you were to seek help here or aff3ct/aff3ct repo, clarify your question, show the community that you have searched the Google and precious closed issues, and attempted to do something, e.g. attach some code you were working on.

Vague and disrespectful questions will only get the same answers in return.

@Aishusiva
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I am very sorry. You have mistaken the tone of my question. In all the research papers I have gone through so far, show that the frozen bits generated has a size N-K .But according to the code I can see that the size frozen bits generated is N. Could you please help me on how the encoding process has happened.

@kouchy
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kouchy commented Jun 17, 2021

Hi @Aishusiva,

You're right, the number of frozen bits is N-K but in AFF3CT, we represent the frozen bits with a vector of size N. The idea is to have the position of the frozen bits in the codeword (N bits). When a value of the vector is true it means that the bit is frozen, when the value is false it means that this is an information bit. If you count the number of true in the vector, it is equal to N-K.

I hope it helps.

@BonbenMathiew
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Thanks a lot for the clarification.

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