[srslte-users] RS based CFO correction

[Samie Mostafavi]

Hi,

In the example file pdsch_ue.c there is an option for enabling RS based CFO
correction. I wanted to know how I can enable it in srsUE or srsENB because
there is no option in the ue.conf file for cfo.

I have a modified ADRV SDR setup that supports timestamping and timed
transmission. srsUE connects to srsENB and gets an IP but the channel
quality drops after a while (10 - 20 seconds). I ran pdsch_ue.c example to
investigate the issue and these are the results (attached as well):

[image: defaultcfo.png]
[image: cfodisabled.png]
[image: rsbasedcfo.png]
To me it seems that rsbased cfo correction works better. However I
dont know how to enable it in the code. I would appreciate it if anyone can
give me some clues.

Thanks for your help in advance.

Best,
Samie
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