Forum: GNU Radio Question on grc block "packet encoder"

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C369ebbe1655201988e376af57460f23?d=identicon&s=25 Achilleas Anastasopoulos (Guest)
on 2009-05-07 20:08
(Received via mailing list)
Looking at the GRC block "packet encoder" and the corresponding example
"grc/examples/simple/dpsk_loopback"
it is not clear to me why the "packet encoder" needs to have access to
the parameters "samples_per_symbol" and "bits_per_symbol".

My understanding is that the output of this block should be a stream of
bits (packed into bytes) that will then be used by an appropriate
modulator. The latter needs to know these two parameters, but NOT the
former.

Achilleas
4252201ac30d6dd44d8090ce1070e35f?d=identicon&s=25 Josh Blum (Guest)
on 2009-05-07 20:17
(Received via mailing list)
Its because of packet utils
http://gnuradio.org/trac/browser/gnuradio/trunk/gn...

I really hate the packet encoder/decoder, I am excited for this message
passing capability that gr blocks may get in the near future. We can
re-implement this packet framing stuff, and have a whole variety of
them.

-Josh
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