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
3.36k stars 1.1k forks source link

When I modify the channel_bandwidth_MHz and srate of the eNB, I can still access the core network, but the UE cannot. What parameters should I modify in the ue.conf? #1308

Open 744739005 opened 3 months ago

744739005 commented 3 months ago

Issue Description

Dear developers, I encountered two issues:

  1. I modified the channel_bandwidth_MHz in enb.conf from 20 to 50, and it prompted me to also modify the srate sampling frequency. I changed it from 23.04M to 46.08M. I can connect to the open5gs core network, but the UE cannot connect. At this point, I started considering modifying ue.conf, but the changes I made to the /root/.config/srsran/ue.conf file did not take effect when I ran sudo ./srsue. So my first question is how to make the configuration in ue.conf take effect.
  2. I tried running srsue in this way: "sudo ./srsue/src/srsue --rf.srate=46.08", but still couldn't get the UE to connect to the base station.

Expected Behavior

I hope the UE can connect to the modified eNB, and during network testing, I can see changes in the bitrate.