Hi Marcus,
Ahhh ok.... It makes sense!
Thank so much!
Best regards,
José
2016-05-28 14:59 GMT-03:00 Marcus Müller-3 [via GnuRadio] <
ml-node+s4n60229...@n7.nabble.com>:
> Hi Jose,
>
> so, the flow graphs in the tutorial do timing and frequency
> synchronization, but what they don't do is any kind of framing: you just
> won't know if the first bit you decoded is a the first bit of a byte, or
> from somewhere in the middle; that's what you're seeing here, probably!
>
> Best regards,
>
> Marcus
>
> On 28.05.2016 19:42, Jose Perez wrote:
>
> > Hi all,
> >
> > I am studying the tutorial 7: PSK Symbol Recovery. For it, I am using
> the
> > mpsk_stage6.grc example flowgraph.
> > But I am trying to simulate a transmition of a txt file. I can see the
> > decoded signal on the scope perfectly but I would like to save this
> received
> > file.
> > According the tutorial, after diferential decoder it have a Map block
> that
> > maps the original symbols from 0-3, so unpack those 2 bits per symbol
> into
> > bits using the unpack bits block... and then we have the original bit
> > stream of data.
> > To save the received txt file, I am using the repack bits block after
> the
> > unpack bits block, i.e., after the Unpack 2 bits I use the Pack 8 bits
> and
> > File Sink block... but the outputed file shows wrong character.
> >
> > I don't know why it is wrong.... it should works fine
> > Someone could help me with it? It looks be a simple thing to do but I
> can
> > not see what to do.
> >
> > Thanks
> >
> >
> >
> > --
> > View this message in context:
> http://gnuradio.4.n7.nabble.com/Help-Tutorial-PSK-Symbol-Recovery-tp60228.html
> > Sent from the GnuRadio mailing list archive at Nabble.com.
> >
> > _______________________________________________
> > Discuss-gnuradio mailing list
> > [hidden email] <http:///user/SendEmail.jtp?type=node&node=60229&i=0>
> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> [hidden email] <http:///user/SendEmail.jtp?type=node&node=60229&i=1>
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
> ------------------------------
> If you reply to this email, your message will be added to the discussion
> below:
>
> http://gnuradio.4.n7.nabble.com/Help-Tutorial-PSK-Symbol-Recovery-tp60228p60229.html
> To unsubscribe from Help - Tutorial: PSK Symbol Recovery, click here
> <http://gnuradio.4.n7.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=60228&code=am9zZXBlcmV6anVuaW9yQGdtYWlsLmNvbXw2MDIyOHwyMDk5MjAxODk1>
> .
> NAML
> <http://gnuradio.4.n7.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>
>
--
.: José Perez Jr
--
View this message in context:
http://gnuradio.4.n7.nabble.com/Help-Tutorial-PSK-Symbol-Recovery-tp60228p60230.html
Sent from the GnuRadio mailing list archive at Nabble.com.
_______________________________________________
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
