[srslte-users] Low Leve PHY sync method usage

Andre Puschmann andre.puschmann at softwareradiosystems.com
Thu Aug 15 20:25:04 UTC 2019


Hi Sylvain,

frankly speaking those examples are a bit outdated and we don't use them
ourselves really.

May I ask what exactly you are trying to achieve? In general, the
pdsch_ue example is probably the better tool to work with. Note that if
you're trying to feed it with a file, the captures need to be time
synchronized. So you can't just load captures made with osmocom_fft, for
example. Try to use the usrp_capture_sync example instead.

Thanks
Andre


On 9/8/19 17:18, Sylvain Munaut wrote:
> Hi,
> 
> 
> I'm trying to use the low level PSS/SSS sync functions, or even just
> the synch_file example but I'm not getting any results whatsoever.
> 
> The captures I have are made at 15.36 Msps (and it's a 10 MHz cell).
> So I would expect ./synch_file -s 1024 -l 153600 -i capture.cfile to
> yield something. But I don't get anything. I also tried to resample to
> 1.92 Msps with no success either.
> 
> So what needs to be fed to that example exactly ?
> 
> 
> Cheers,
> 
>    Sylvain
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