[srslte-users] Please help with srsENB DL problems!

[Ismael Gomez]

Hi Ilshat,

Make sure your reference signal power and pusch/pucch power settings are
correct in sib.conf

Regards

El vie., 27 oct. 2017 9:33, Ilshat Shaidullin <ilshat.desu at gmail.com>
escribió:

> Hello!
>
> I have a question about 2 DL problems in srsENB. I use the following
> configuration:
> - USRP B210
> - 25 PRB bandwidth
> - Max DL MCS Limit 16.
>
> When phone is within about 1-2 meters from USRP, everything works great.
> UE reaches 6.7 Mbps in DL and 4-5 Mbps in UL. But, if UE is further than 2
> meters from USRP, DL speed is very low (0.1-0.3 Mbps) although signal
> strength is good (-77 dBm) and UL speed is high (4 Mbps). And if UE is
> about 6-7 meters from USRP it can't stay attached for a long period. It
> disconnects and attaches to commercial eNB,
>
> Also there is a problem, when UE tries to attach and the distance between
> UE and USRP is about 6-7 meters. Signal strength is about -80 dBm and is
> the best among other commercial eNB.  Phone performs many RA procedures,
> but they fail. But phone can easily attach to commercial eNB with signal
> strength -86 dBM and which is situated quite far from our office.
>
> I have a feeling that the same thing causes these two troubles.
>
> Please, help me to figure out what is wrong.
>
> Best,
> Ilshat
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