[srslte-users] Unexpected traffic on LimeSDRmini

[Andre Puschmann]

On 12/8/21 12:20, Andrea Valori wrote:
> Dear All,
> 
> We are comparing srsRAN run on B200 and LimeSDRmini.____
> 
> The Lime has been very satisfactory, especially considering the gap in 
> price compared to the B200. ____
> 
> However, something strange is happening. Using the Lime, just after the 
> attach, and after stopping full bandwidth stimulation (using iperf) the 
> trace of srsenb keeps showing max bitrate for some time after the end of 
> the stimulation. This does not seem to happen if we are using the B200 
> instead. With the B200 there is minimal traffic generated by the attach 
> procedure, but the full traffic starts only when we start iperf. Also, 
> as soon as iperf ends, the traffic drops to almost nothing immediately.
> 
> Did someone see this effect? If so, did you understand why?

Hey,

perhaps there is still some traffic buffered when you stop the iperf and 
this buffer will be flushed. Not sure why this happens when you use the 
Lime, perhaps the max rate isn't achieved.

But there is no relationship between the RF front end and the traffic 
generation, etc.

Thanks
Andre