Re: Newbie ques: What is code rate? how do i calculate them?


"Ant_Magma" <vcteo1@xxxxxxxxx> wrote in message
news:1133252860.825016.36030@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> What is code rate? how do i calculate them?
>
> How does a 1/2 convolutional encoder and a puncture produce a code rate
> of 3/4?
>
Hi ant_magma,
You calculate them by dividing the number of bits you put in to the encoder
by the number of bits you get out of it.
If you throw away some of the bits just before the output then you have less
bits coming out so a higher code rate.

Best of Luck - Mike


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