[srslte-users] Running srsRAN on two VMs

[Scott Leonard]

Thanks!  That got me started.  But now srsue gets errors

Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
decimation)
./home/ubuntu/srsRAN/lib/src/phy/ue/ue_sync.c.765: Error receiving samples
/home/ubuntu/srsRAN/lib/src/phy/ue/ue_cell_search.c.312: Error calling
srsran_ue_sync_work()
/home/ubuntu/srsRAN/lib/src/phy/ue/ue_cell_search.c.272: Error searching
cell

Once, after seeing these errors for a long while, I did see

.
Found Cell:  Mode=FDD, PCI=1, PRB=6, Ports=1, CFO=0.0 KHz
Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
decimation)
Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
decimation)
Found PLMN:  Id=00101, TAC=7
Random Access Transmission: seq=26, tti=2261, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x46, ta=0

but I think I still never saw the tun_srsue get established.  I’ve tried
starting
srsenb with only 6 or 15 PRBs and I’ve tried the —rf.rx_gain 60 option with
srsue.
Anything else I should try?

Scott


On Mon, Jul 5, 2021 at 3:25 AM Andre Puschmann <andre at srs.io> wrote:

> Hey,
>
> On 3/7/21 6:08, Scott Leonard wrote:
>
> > My commands are just the basic ones for zmq I think:
> > $ srsepc
> > $ srsenb --rf.device_name=zmq
> >
> --rf.device_args="fail_on_disconnect=true,tx_port=tcp://*:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=23.04e6"
> >
> > $ srsue --rf.device_name=zmq
> >
> --rf.device_args="fail_on_disconnect=true,tx_port0=tcp://*:2001,rx_port0=tcp://localhost:2000,id=ue,base_srate=23.04e6"
>
> If you run on different hosts you need to replace the localhost IP
> addresses with the respective IPs of your machines.
>
> Cheers
> Andre
>
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