Thanks Marcus, So, how can I see my constellation points with 16 QAM receiver ?
Regards, 2017-07-17 12:26 GMT+02:00 Marcus Müller <[email protected]>: > No. > > That's not going to work out, mathematically. > > Best regards, > > Marcus > > On 07/17/2017 10:29 AM, Rafik ZITOUNI wrote: > > Dear Cinaed, > > The costas loop works only with BPSK, QPSK and 8PSK. > > Is it possible to change the actual costas loop and add the 16 QAM. > > Best regards, > > > > 2017-07-14 0:46 GMT+02:00 Cinaed Simson <[email protected]>: > >> On 07/13/2017 06:16 AM, Rafik ZITOUNI wrote: >> > Dear Cinaed, >> > >> > But how to see the constellations of my received symbols since >> > constellation receiver and constellation decoder have a byte as an >> output. >> > >> > Is it possible to have a costas loop for QAM 16? >> >> I use the Polyphase Clock Sync. >> >> In the tutorial 7, they use a channel model >> >> Const. Demod -> Channel Model-> Polyphase Clock -> CMA Equalizer -> >> Costa Loop -> Demodulator >> >> and put the Constellation Sink on the output of the Costa Loop. >> >> -- Cinaed >> >> > >> > Thanks, >> > >> > 2017-07-13 1:30 GMT+02:00 Cinaed Simson <[email protected] >> > <mailto:[email protected]>>: >> > >> > On 07/12/2017 09:55 AM, Rafik ZITOUNI wrote: >> > > Dear Cinaed, >> > > >> > > Thanks for your answer. >> > > >> > > I tried with my Tx and it works fine with a constellation, but >> with my >> > > receiver symbols or constellation_decoder, digital.qam_16()[1] >> gives me >> > > an error. >> > >> > I'm using the Constellation Modulator/Constellation Decoder pair >> and the >> > Constellation Object with Type=Variable Constellation. >> > >> > The same object is used for both the Constellation Modulator and the >> > Constellation Decoder. >> > >> > When I look inside the Constellation Decoder there's nothing to >> > configure. >> > >> > Maybe you're doing things differently. >> > >> > -- Cinaed >> > >> > > >> > > line 164, in __init__ >> > > self.digital_constellation_decoder_cb_0_0 = >> > > digital.constellation_decoder_cb(digital.qam_16()[1]) >> > > >> > > Best, >> > > >> > > >> > > >> > > >> > > 2017-07-12 2:26 GMT+02:00 Cinaed Simson <[email protected] >> <mailto:[email protected]> >> > > <mailto:[email protected] <mailto:[email protected] >> >>>: >> > > >> > > On 07/11/2017 05:13 AM, Rafik ZITOUNI wrote: >> > > > Dear gnuradio users, >> > > > >> > > > I am trying to use digital_chunks_to_symbols to reconstruct >> block by >> > > > block my QAM modulator. >> > > > >> > > > Please could you give me an idea how to set the >> constellation points in >> > > > Symbol Table field? I can do it with BPSK, QPSK and 8PSK >> using >> > > > constellation[0].points, constellation[1].points and >> > > > constellation[2].points, but how can I do it with 16 QAM ? >> > > >> > > Try >> > > >> > > Symbols: digital.qam_16()[1] >> > > Constellations: digital.qam_16()[0] >> > > >> > > -- Cinaed >> > > >> > > >> > > > >> > > > For my 16 QAM receiver, could you please tell me if it's >> possible to >> > > > have a constellation points view? >> > > > >> > > > Best, >> > > > >> > > > -- >> > > > **<http://www.ece.fr/>Rafik >> > > > >> > > > >> > > > >> > > > _______________________________________________ >> > > > Discuss-gnuradio mailing list >> > > > [email protected] <mailto:[email protected]> >> > <mailto:[email protected] <mailto:[email protected]>> >> > > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio> >> > > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>> >> > > > >> > > >> > > >> > > _______________________________________________ >> > > Discuss-gnuradio mailing list >> > > [email protected] <mailto:[email protected]> >> > <mailto:[email protected] <mailto:[email protected]>> >> > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio> >> > > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>> >> > > >> > > >> > > >> > > >> > > -- >> > > **<http://www.ece.fr/>Rafik >> > > >> > >> > >> > >> > >> > -- >> > **<http://www.ece.fr/>Rafik >> > >> >> > > > -- > <http://www.ece.fr/>Rafik > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > -- <http://www.ece.fr/>Rafik
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