Merge remote-tracking branch 'origin/NR_L2sim_doc' into integration_2023_w07

doc/L2NFAPI.md

@@ -12,6 +12,8 @@
   </tr>
 </table>
 
+## 4G L2 nFAPI simulator
+
 This simulator allows to test L2 and above Layers using the nFAPI interface.
 
 The UE executable is able to "simulate" multiple UEs in order to stimulate the scheduler in the eNB.
@@ -38,7 +40,34 @@ Normally it should be fine to run both executables on the same host using the `l
 
 **2022/03/08: Starting the `2022.w01` tag on the `develop` branch, the L2 nFAPI simulation is using a proxy.**
 
-A tutorial is available on the [EpiSci GitHub Repository](https://github.com/EpiSci/oai-lte-5g-multi-ue-proxy#readme).
+## 5G L2 nFAPI simulator
+
+### Download and Build the Proxy Server (from EpiSci)
+
+```bash
+$ cd ~
+$ git clone https://github.com/EpiSci/oai-lte-5g-multi-ue-proxy.git
+$ cd oai-lte-multi-ue-proxy
+$ make
+```
+
+### Start Proxy Server
+Set the number of UEs to connect to server as 1 and the mode is SA.
+```bash
+$ number_of_ues=1
+$ sudo -E ./build/proxy $number_of_ues --nr
+```
+
+### Start gNB
+```bash
+$ sudo -E ./nr-softmodem -O ../ci-scripts/conf_files/episci/proxy_rcc.band78.tm1.106PRB.nfapi.conf --nfapi VNF --noS1 --sa --emulate-l1
+```
+### Start UE
+```bash
+$ sudo -E ./nr-uesoftmodem -O ../ci-scripts/conf_files/episci/proxy_nr-ue.nfapi.conf --nokrnmod 1 --nfapi STANDALONE_PNF --node-number 2 --sa --emulate-l1
+```
+### EpiSci's Documentation
+A more detailed tutorial is available on the [EpiSci GitHub Repository](https://github.com/EpiSci/oai-lte-5g-multi-ue-proxy#readme).
 
 This proxy allows to perform L2 nFAPI simulator for:
 
@@ -46,6 +75,7 @@ This proxy allows to perform L2 nFAPI simulator for:
 * 5G-NSA
 * 5G-SA
 
+### L2 Simulator as Docker Containers
 Another tutorial for 5G SA mode with 1 User is available [here](../ci-scripts/yaml_files/5g_l2sim_tdd/README.md).
 
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