[srslte-users] B210 TX filter bandwidth adjustment?

[Patrick Cutno]

Hello again,

I have been using a signal analyzer to look at the transmitted signal my B210 is outputting when running srsUE. I am currently running experiments with LTE's 1.4 MHz bandwidth and it seems to me, that the B210/srsUE is using a bandpass filter that is much wider than the 1.4 MHz being used. Is the filter supposed to be dynamic with the bandwidth used, or is it static to allow all LTE bandwidths to pass through (1.4 to 20 MHz)? If static, how would one go about changing the filter parameters or where to start looking? Also, if the bandwidth of the filter is changed, would the sampling rate need to be changed, or is the sampling rate given by the eNB in LTE?

Sorry for the barrage of beginner questions
Pat
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