Re: [Discuss-gnuradio] packet_loopback_hier.grc

[Steve Joumessi Demeffo]

Hi Nicholas,

You will find explanations on the transmitter and the receiver here:

https://www.gnuradio.org/doc/doxygen/page_packet_comms.html

 Hope this helps you.
 Best regards

 

Le 2018-10-28 17:00, address@hidden a écrit :

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>    1. packet_loopback_hier.grc (J Nicholas Laneman)
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> Message: 1
> Date: Sat, 27 Oct 2018 18:16:11 -0400
> From: J Nicholas Laneman <address@hidden>
> To: address@hidden
> Subject: [Discuss-gnuradio] packet_loopback_hier.grc
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> Hi All,
>
> I am tinkering with the ?packet? example code, specifically packet_loopback_hier.grc from .../share/gnuradio/examples/digital/packet/, on a Lenovo laptop running Ubuntu 18.04 LTS and GNU Radio 3.7.13.4 installed via PyBOMBS.
>
> Strangely, when I run the flow graph out of the box, I see the following log error once in a while:
>
> gr::log :INFO: header_payload_demux0 - Parser returned #f
>
> Also strangely, the flow graph simply stops running after transmitting about 1200 PDUs.
>
> Note that I have observed these issues on Ubuntu 16.04 LTS installed on the laptop as well as a desktop, as well as an iMac running OS X.
>
> Can anyone comment on the level of maturity of these examples and the blocks they rely upon?
>
>
> Regards,
> Nick Laneman
> University of Notre Dame
>
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