Hi Cinaed, thanks for your reply, GR version: v3.11.0.0git-316-gc11667ef the GRC file is attached. thanks
On Tue, Jan 10, 2023 at 1:49 AM Cinaed Simson <cinaed.sim...@gmail.com>
wrote:
> Hi Ali - please state the version of gnuardio you're using and post the
> flowgraph used to generate your problem.
>
> -- Cinaed
>
> On 1/8/23 23:56, Ali G. Dezfuli wrote:
>
> Hi all,
> I've managed to get to the same signal of the block "Constellation
> Modulator" by using these blocks in concatenation:
>
> { --> repack bits --> differential encoder --> constellation encoder (or:
> chunks to symbols) --> polyphase arbitrary resampler --> }
>
> and tried them for bpak, qpsk, 8psk, and 16qam, and all OK.
>
> This command digital.constellation_dqpsk().points() gets the following
> points:
>
> [(1.4142135381698608+1.4142135381698608j),
> (-1.4142135381698608+1.4142135381698608j),
> (-1.4142135381698608-1.4142135381698608j),
> (1.4142135381698608-1.4142135381698608j)]
>
> which is different from the documentation of DQPSK which says:
>
> 01 | 00
> -------
> 11 | 10
>
> I wonder how I can get the same result for DQPSK by using the above series
> of blocks.
>
> thanks
>
>
>
>
corr_00_copy.grc
Description: Binary data
