[srsran-users] Could not set RX rate to 11.520 MHz. Actual rate is 11.703 MHz

[ZHUANG Yufan]

Dear team,

When I ran srsenb, I encountered the following warning and the srsenb cannot start.

[WARNING] [MULTI_USRP] Could not set RX rate to 11.520 MHz. Actual rate is 11.703 MHz
[WARNING] [0/DDC#0] The requested decimation is odd; the user should expect passband CIC rolloff.
Select an even decimation to ensure that a halfband filter is enabled.
Decimations factorable by 4 will enable 2 halfbands, those factorable by 8 will enable 3 halfbands.
decimation = dsp_rate/samp_rate -> 21

I have added "-DUSE_LTE_RATES=ON" when building srsran, and added "base_srate=30.72e6" in the enb configuration file. My device is USRP X410.

It seems that my srsenb does not use standard LTE rate. How to set this?

I highly appreciate your help. Looking forward to your reply.

Sincerely,
Yufan
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