Monday, March 11, 2019

Re: [Discuss-gnuradio] Symbol to chip Mapping

Okay. Let me make sure i'm clear on this.

My flow graph looks like the following :

Random source -> packed to unpacked -> chunks to symbols

The source and packed to unpacked are set to byte and the packed to unpacked is outputting 4 bits per chunks so am I setting the dimension of the "chunks to symbols" block to 16 (0-15) and inputting 1024 values, 0's and 1's, (32 values for each dimension) to complete the mapping?

Thanks for the assistance.

Tellrell

Sent from my iPhone

> On Mar 11, 2019, at 8:28 AM, Achilleas Anastasopoulos <anastas@umich.edu> wrote:
>
> Yes this can be done with chunks-to-symbols.
> This is essentially a 16 x 32 lookup table:
>
> turn your 4 bits into a byte which indices a lookup table with 32 dimensions
> (set the "dimension" variable to 32 in chunks-to-symbols).
>
> Achilleas

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