[srslte-users] Running srsue and srsenb on the same machine

[Hua Yanghao]

On Fri, May 3, 2019 at 9:04 AM Andre Puschmann
<andre.puschmann at softwareradiosystems.com> wrote:
>
> Yanghao,
>
> to answer your first question from the previous post, I am afraid there
> is not a straightforward solution to running both srsEPC and srsUE on
> the same machine as both are using the default tun interface. You could
> try network namespaces or run the EPC in a VM perhaps.

Thanks, I will try it in a VM and map the USB device over to VM.

>
> On 2/5/19 21:32, Hua Yanghao wrote:
> > Another issue I have seen with Ubuntu 19.04 is that the newer SDR driver
> > is now recognizing audio devices as SDR and seems srsue only takes the
> > first found SDR device.
> > Manually hacking into the device list and picking up the right index
> > made everything working as expected, still wondering if the device index
> > can be configured in config files?
>
> Can you post the console output of this newer SDR driver please? Perhaps
> it's Soapy picking up audio devices. Anyway you can specifiy the driver
> in both the UE and eNB config files or using "--device_name uhd", for
> example.

Thanks for the info.
Console output looks like this:


---  Software Radio Systems LTE UE  ---

[INFO] [UHD] linux; GNU C++ version 8.2.0; Boost_106700; UHD_3.13.1.0-3
[INFO] Using format CF32.
Receiving async metadata not supported by device. Exiting thread.
Opening RF device with 1 RX antennas...
Soapy has found device #0: default_input=False, default_output=False,
device_id=5, driver=audio, label=hw:ThinkPad OneLink Pro Dock Audio,0,
Soapy has found device #1: default_input=False, default_output=False,
device_id=6, driver=audio, label=hw:HDA Intel PCH,0,
Soapy has found device #2: default_input=False, default_output=False,
device_id=7, driver=audio, label=default,
Set Rx bandwidth to 0.00 MHz
Set Tx bandwidth to 0.00 MHz
Setting up RX stream
Available device sensors:
Available sensors for RX channel 0:
State of gain elements for Rx channel 0 (AGC supported):
State of gain elements for Tx channel 0 (AGC supported):
Rx antenna set to RX
Tx antenna set to RX

Warning burst preamble is not calibrated for device none. Set a value manually

SYNC:  Receiving from radio while in IDLE_RX
SYNC:  Receiving from radio while in IDLE_RX
SYNC:  Receiving from radio while in IDLE_RX
SYNC:  Receiving from radio while in IDLE_RX
...... <many more repeating lines> ......

Cheers.