Comments (6)
The gNB in srsRAN_Project is 5G-SA only, which means that only UE with 5G-SA capabilities can attach to that gNB. A 4G-only UE will not.
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According to https://docs.srsran.com/projects/project/en/latest/tutorials/source/srsUE/source/index.html's Over - the - air Setup part of the image, It's true that srsUE uses 4G, so why can't it connect?Is an external clock necessary?
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srsUE from the srsRAN_4G project is capable of both, 4G and 5G. To attach to gNB from srsRAN_Project, it uses its 5G capabilities.
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srsRAN Project is a 5G CU/DU solution and does not include a UE application. However, srsRAN 4G does include a prototype 5G UE (srsUE) which can be used for testing. This application note shows how to create an end-to-end fully open-source 5G network with srsUE, the srsRAN Project gNodeB and Open5GS 5G core network.
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So do we need an external clock or not? If not, how should the configuration file be modified?
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It is not strictly required.
To test without external clock, just replace/omit the lines that state to use external clock, e.g.:
gnb.yaml
...
clock: # Specify the clock source used by the RF.
sync: # Specify the sync source used by the RF.
...
ue.conf
...
device_name = uhd
time_adv_nsamples = 300
...
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Related Issues (20)
- DPDK ON issue HOT 3
- Missing UP PRACH messages + late wake-up HOT 4
- Compilation ERROR - srsRAN HOT 8
- Iphone is not receiving incoming calls HOT 5
- GNB Crash After E2 RICSubscriptionResponse When There are No UEs Connected HOT 2
- missing mobilityControlInfo IE from rrcConnectionReconfiguration at Handover HOT 2
- DL Task Queue Full Bug HOT 4
- gNB Handover using two USRP? HOT 2
- Downlink doesn't work HOT 1
- no UE internet connection: UE connected to [BladeRF xA4] connected to [srsRAN (docker)] connected to [open5gs (docker)] HOT 2
- Integration of custom L1 with srsRAN HOT 1
- CSI decode error problem HOT 4
- How can I transfer some other info with the connected network flow from ue to gnb to upf HOT 1
- iperf3 doesn't work when eUPF connected to srsRAN HOT 11
- Monitor xApp FlexRIC with last version of srsRAN HOT 5
- Error while executing sudo apt-get install srsran -y HOT 3
- OFH - optimum IQ Amplitude HOT 3
- Significant degradation in DL/UL performance between May21st and Jun10th versions of the "test" repository HOT 8
- srsUE cannot connect to srsGNB with USRP B210 and BladeRF HOT 2
- Number of symbols is 0 in O-RAN Fronthaul C-Plane for PRACH HOT 8
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