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Commit 315caca9 authored by Robert Schmidt's avatar Robert Schmidt
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Merge remote-tracking branch 'origin/NR_SA_Tutorials' into integration_2022_wk51

parents 8943dfa1 5db45c10
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doc/NR_SA_CN5G_gNB_USRP_COTS_UE_Tutorial.md
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[[_TOC_]] [[_TOC_]]
# 1. Scenario # 1. Scenario
In this tutorial we describe how to configure and run a 5G end-to-end setup with OAI CN5G, OAI gNB, OAI UE and COTS UE. In this tutorial we describe how to configure and run a 5G end-to-end setup with OAI CN5G, OAI gNB, OAI nrUE and COTS UE.
Minimum hardware requirements: Minimum hardware requirements:
- Laptop/Desktop/Server for OAI CN5G and OAI gNB - Laptop/Desktop/Server for OAI CN5G and OAI gNB
...@@ -233,13 +233,14 @@ iperf -s -u -i 1 -B 12.1.1.2 ...@@ -233,13 +233,14 @@ iperf -s -u -i 1 -B 12.1.1.2
docker exec -it oai-ext-dn iperf -u -t 86400 -i 1 -fk -B 192.168.70.135 -b 100M -c 12.1.1.2 docker exec -it oai-ext-dn iperf -u -t 86400 -i 1 -fk -B 192.168.70.135 -b 100M -c 12.1.1.2
``` ```
## 5.2 Testing with OAI UE ## 5.2 Testing with OAI nrUE
### 5.2.1 Testing with OAI UE with USRP B210 ### 5.2.1 Testing with OAI nrUE with USRP B210
Important notes: Important notes:
- This should be run in a second Ubuntu 20.04 host, other than gNB - This should be run in a second Ubuntu 20.04 host, other than gNB
- It only applies when running OAI gNB with USRP B210 - It only applies when running OAI gNB with USRP B210
- OAI gNB must run with the following flag: `--gNBs.[0].min_rxtxtime 6`
Run OAI UE Run OAI nrUE
```bash ```bash
cd ~/openairinterface5g cd ~/openairinterface5g
source oaienv source oaienv
...@@ -247,12 +248,12 @@ cd cmake_targets/ran_build/build ...@@ -247,12 +248,12 @@ cd cmake_targets/ran_build/build
sudo ./nr-uesoftmodem -r 106 --numerology 1 --band 78 -C 3619200000 --nokrnmod --ue-fo-compensation --sa -E --uicc0.imsi 001010000000001 --uicc0.nssai_sd 1 sudo ./nr-uesoftmodem -r 106 --numerology 1 --band 78 -C 3619200000 --nokrnmod --ue-fo-compensation --sa -E --uicc0.imsi 001010000000001 --uicc0.nssai_sd 1
``` ```
### 5.2.2 Testing with OAI UE with RFsimulator ### 5.2.2 Testing with OAI nrUE with RFsimulator
Important notes: Important notes:
- This should be run on the same host as the OAI gNB - This should be run on the same host as the OAI gNB
- It only applies when running OAI gNB with RFsimulator - It only applies when running OAI gNB with RFsimulator
Run OAI UE with RFsimulator Run OAI nrUE with RFsimulator
```bash ```bash
cd ~/openairinterface5g cd ~/openairinterface5g
source oaienv source oaienv
...@@ -291,6 +292,8 @@ sudo ethtool -G enp1s0f0 tx 4096 rx 4096 ...@@ -291,6 +292,8 @@ sudo ethtool -G enp1s0f0 tx 4096 rx 4096
``` ```
## 6.2 Real-time performance workarounds ## 6.2 Real-time performance workarounds
- Enable Performance Mode in Ubuntu 22:
- Settings/Power/Power Mode: Performance
- If you get real-time problems on heavy UL traffic, reduce the maximum UL MCS using an additional command-line switch: `--MACRLCs.[0].ul_max_mcs 14`. - If you get real-time problems on heavy UL traffic, reduce the maximum UL MCS using an additional command-line switch: `--MACRLCs.[0].ul_max_mcs 14`.
## 6.3 Uplink issues related with noise on the DC carriers ## 6.3 Uplink issues related with noise on the DC carriers
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