Hi Damindra,

> 1-Is "packet_length_tag" propagate from the USRP sink to
> USRP_source(that is from the transmitter to receiver)? 

No. There's no such thing as tagging electromagnetic waves :)

That's why you need things like preambles to mark your packets for a
receiver!



Best regards,

Marcus

On 12/12/2016 09:10 PM, Damindra Bandara wrote:
> Hi,
>
> I am trying to understand the tag propagation in GNURadio flow graphs.
> I appreciate if you could help me. Here are the questions I have.
>
> 1-Is "packet_length_tag" propagate from the USRP sink to
> USRP_source(that is from the transmitter to receiver)?
>
> 2-If not how can the receiver end knows about the length tag added
> from the transmitter?
>
>
> Thanks,
> Damindra
>
> -- 
> Damindra Savithri Bandara,
> Ph.D. in Information Technology (Candidate)
> George Mason University,
> Fairfax,
> Virginia
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> [email protected]
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

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