[srslte-users] Configuration sample for LimeSDR mini

[Rafael Diniz]

Thanks Francisco. I'll certainly test it!

Best regards,
Rafael Diniz

On 4/29/19 6:17 AM, Francisco Paisana wrote:
> Another piece of info - the new release coming in one week will make
> prb6 more stable, in case you really need it.
> 
> On Thu, Apr 25, 2019 at 9:10 PM Francisco Paisana
> <francisco.paisana at softwareradiosystems.com
> <mailto:francisco.paisana at softwareradiosystems.com>> wrote:
> 
>     Hey Rafael,
> 
>     I would suggest sharetechnote to get more comfortable with LTE. The
>     explanations tend to be quite good. I definitely agree that smaller
>     bandwidths are useful. However, 6 prbs has a lot of special cases to
>     deal with, which are not yet completely solved. It might work fine
>     in your setup, but no guarantees. 15 prbs is also light on the cpu,
>     and does not have so many special cases, so I would suggest trying
>     with that if possible.
> 
>     Regards,
>     Francisco
> 
>     On Thu, Apr 25, 2019 at 6:48 PM Rafael Diniz <rafael at riseup.net
>     <mailto:rafael at riseup.net>> wrote:
> 
>         Hi Francisco,
> 
>         Thanks! I feel the smaller bandwidth LTE mode can be useful for
>         hardware
>         with limited CPU and bus (between the CPU and RF frontend)
>         capabilities,
>         like the LimeNet micro.
> 
>         Cheers,
>         Rafael Diniz
> 
>         On 4/24/19 6:32 AM, Francisco Paisana wrote:
>         > Hey Rafael,
>         >
>         > I would in generally suggest experimenting with PRB > 6, as
>         the prb==6
>         > is still under test/improvement. If you really need to use
>         PRB==6, your
>         > problem can be fixed by editing the "sib.conf" file. You can
>         find the
>         > default sib.conf in the ~/.config/srslte folder. Look for
>         > "prach_freq_offset" and swap its value from 2 to 0. This way
>         the PRACH,
>         > which is 6 PRB-wide, can fit in the UL band.
>         >
>         > Regards,
>         > Francisco
>         >
>         > On Sat, Apr 20, 2019 at 5:38 PM Rafael Diniz
>         <rafael at rhizomatica.org <mailto:rafael at rhizomatica.org>
>         > <mailto:rafael at rhizomatica.org
>         <mailto:rafael at rhizomatica.org>>> wrote:
>         >
>         >     Hi all,
>         >
>         >     I finally got my SIM cards, and now want to play with the
>         srseNB. I
>         >     tried with default config files (just modified the tx and
>         rx ports to
>         >     match LimeSDR mini ones), but no lucky yet, I can not see
>         the network in
>         >     the sole handset I tested (an LG one). EPC seems to be
>         working fine and
>         >     connects to the eNB.
>         >
>         >     I tried different earfcn and different number of blocks
>         (btw, with n_prb
>         >     = 6 I can not bring up srsenb with this error "Invalid PRACH
>         >     configuration: frequency interval=(2, 8) does not fit into
>         the eNB
>         >     PRBs=(0,6)").
>         >
>         >     I'll do more investigation today, but if anyone could send
>         me a working
>         >     setup for the LimeSDR mini, I'd appreciate.
>         >
>         >     Thanks!
>         >     Rafael Diniz
>         >     Rhizomatica
>         >
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>         >
> 

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