# OAI-rf-simulator based on Semcom gNB/UE Installation & Execution ###### tags: `Construction` ## OAI rf simulator gNB/UE pre-requisites #### Basic requirement | OS/Kernel | Version | |:-------------------------- |:----------------------------------------| | Host operating system | Linux Ubuntu 18.04 or 20.04 or 22.04 | | Kernel | 4.15.0.142.lowlatency | ## Build OAI gNB/UE #### Clone and build the dependency for the first time ```shell= # Clone OAI project in Develop Branch $ git clone https://github.com/eric693/mwnl_oai_semcom.git $ cd openairinterface5g/ # Build ONLY FOR the FIRST time $ source oaienv $ cd cmake_targets $ export BUILD_UHD_FROM_SOURCE=Ture $ export UHD_VERSION=4.3.0.0-rc1 #(optional UHD_VERSION=4.4.0.0) $ ./build_oai -I ``` #### Build OAI gNB and nrUE for USRP ```shell= $ sudo ./build_oai --phy_simulators --gNB --nrUE ``` #### RUN OAI gNB with RF Simulator ```shell= # sudo RFSIMULATOR=server ./nr-softmodem --rfsim --sa -O [where the config file is] $ sudo ./nr-softmodem --rfsim --sa --rfsimulator.options chanmod -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf --gNBs.[0].min_rxtxtime 6 # print gNB log in file $ sudo ./nr-softmodem --rfsim --sa --rfsimulator.options chanmod -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf --gNBs.[0].min_rxtxtime 6 2>&1 | ts &>../../../../oai-semcom/LOG/5-OAI_gNBsim.log ``` #### RUN OAI nrUE with RF Simulator ```shell= $ sudo ./nr-uesoftmodem -r 106 --numerology 1 --band 78 -C 3619200000 --sa --uicc0.imsi 001010000000001 --rfsim 2>&1 # print nrUE log in file $ sudo ./nr-uesoftmodem -r 106 --numerology 1 --band 78 -C 3619200000 --sa --uicc0.imsi 001010000000001 --rfsim 2>&1 | ts &>../../../../oai-semcom/LOG/5-OAI_UEsim.log ``` #### Discuss https://hackmd.io/@RGAAplgqT32ASLrIimn62g/HksCdtDGC#git https://hackmd.io/@RGAAplgqT32ASLrIimn62g/BJt5pcTJR https://hackmd.io/xdpF6cy1Tiu64kXuhOb_mw?view