Re: [Discuss-gnuradio] FSK Burst emission

Take a look at gr-eventstream and gr-*burst.

On 03/28/2018 04:14 AM, samuel verdon wrote:
> Hello everyone,
>
> Builind a FSK tansiever, I would like to send burst data. All the fec
> and data maniupation are made with custom block working with message.
>
> After formating everything, I  convert my data to Stream with « PDU to
> tagged Stream » block and send it to «GFSK mod » block.
>
> This last block needs to have a steam to work (as I understand ). My
> burst messages come randomly from an UDP port and with different time
> interval.
>
> When Nothing is tansmit the gnuradio flowgraph stops saying it does not
> have enough data comming to « PDU to tagged stream» to work.
>
> How can I avoid this problem ? should I send zero between data ?  Is
> there a bloc to do this ?
>
> Thank you
>
> Sam
>
>
>
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