[srslte-users] Low Leve PHY sync method usage

Sylvain Munaut 246tnt at gmail.com
Fri Oct 18 18:13:04 UTC 2019


> You're right. I've just tried with pss_file and that synced perfectly.
> Note that you have to specify the N_id_2 here. Try with e.g.:
>
> $ ./lib/src/phy/sync/test/pss_file -i 2 -f ~/tmp/lte_be_796m_1536.cfile
> -s 1024
>
> I've then checked synch_file which indeed doesn't work. I've noticed the
> correlation threshold was a bit high, so reduce that with "-t 2". Also
> I've noticed that internally, the synch_file example uses 128 as default
> FFT size, so that can only work with 1.92 MHz sample rate, not with your
> signal. Try to apply the attached patch. With that, it gives me the
> expected results.

Thanks for the patch (which I saw is merged now :).

And for pointing out pss_file which is actually closer to what I was
looking for in the first place.


Cheers,

   Sylvain



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