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srsran / srsRAN_4G

Open source SDR 4G software suite from Software Radio Systems (SRS) https://docs.srsran.com/projects/4g
https://www.srsran.com
GNU Affero General Public License v3.0
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UE cannot find the LTE Network #1342

Closed fiveheadShinchan closed 1 month ago

fiveheadShinchan commented 1 month ago

Issue Description

I have followed the directions from the website: https://lists.srsran.com/mailman/listinfo/srsran-users I have tried changing the EARFCN value to 3350, nof_prb to 25 and 50, and I have also checked the configuration files. I have also read similar tickets and the troubleshoot as well.

Setup Details

I am using an Oracle VM Virtual box running with DragonOS Focal (20.04) are out-of-the-box Lubuntu based x86_64 operating systems. I have allocated plenty of storage and 8 processors.

I am using an Ettus 2450 antennas, USRP B210 with the GPSDO activated with external power the LED light is stable, I am using an open cell programmable SIM card with Pixel 3 XR phone.

sudo srsepc image

sudo srsenb image

image

image

epc configuration file image

enb configuration file image

user_db.csv file image

Expected Behavior

UE is able to find the network when looking for network operators

Actual Behavior

UE is not able to see the network that was set up.

andrepuschmann commented 1 month ago

It's not straight-forward run timing critical workloads out of a VM. The lates you see are likely causing the UE to not see the cell and thus it can't connect. I suggest you install bare-metal instead.

fiveheadShinchan commented 1 month ago

Hello,

Thank you for the quick response. I was wondering if it was not possible to run on vm. I actually ended up using the wrong USRP B210, without the GPSDO attached. When I attached the one with GPSDO, I only got lates of 5-7. The UE is still not able to find the network.

On Wed, May 29, 2024 at 3:27 PM Andre Puschmann @.***> wrote:

It's not straight-forward run timing critical workloads out of a VM. The lates you see are likely causing the UE to not see the cell and thus it can't connect. I suggest you install bare-metal instead.

— Reply to this email directly, view it on GitHub https://github.com/srsran/srsRAN_4G/issues/1342#issuecomment-2138115149, or unsubscribe https://github.com/notifications/unsubscribe-auth/AZ777ENYACODAE3YCBMKKUTZEYT3NAVCNFSM6AAAAABIPQOWUCVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDCMZYGEYTKMJUHE . You are receiving this because you authored the thread.Message ID: @.***>