[srslte-users] Band 48 TDD special configuration options needed?

Andre Puschmann andre at srs.io
Wed Sep 22 07:42:49 UTC 2021


Hey Keith,

srsENB doesn't support TDD bands for 4G.

Our 5G solutions will fully support TDD bands though.

Thanks
Andre

On 22/9/21 1:57, Keith E. Fleming wrote:
> Greetings!
> 
> I have srsENB and srsEPC running on an i5 desktop with Ettus B200 and 
> srsUE running on an i5 laptop also with Ettus B200. I have it working 
> perfectly on simulated Band 65 (2190M DL, 2000M UL). I say "simulated" 
> because I had to specify frequencies rather than use the EARFCN for Band 
> 65. When I specified the EARFCN, it complained of encoding failure. No 
> problem. I can live with putting in the frequencies in the config files 
> at both ends.
> 
> What I would like to try now is a demonstration of Band 48 (CBRS here in 
> the US) but am having problems getting the UE to attach and I believe it 
> has something to do with TDD. Does anyone have any insight into the use 
> of TDD? As far as, whether there are special configurations options to 
> be used?
> 
> Thanks in advance!
> 
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