OpenAirInterface License

OpenAirInterface is under OpenAirInterface Software Alliance license.

It is distributed under OAI Public License V1.1.

The license information is distributed under LICENSE file in the same directory.

Please see NOTICE file for third party software that is included in the sources.

Where to Start

RAN repository structure

The OpenAirInterface (OAI) software is composed of the following parts:

openairinterface5g
├── ci-scripts: Meta-scripts used by the OSA CI process. Contains also configuration files used day-to-day by CI.
├── cmake_targets: Build utilities to compile (simulation, emulation and real-time platforms), and generated build files
├── common : Some common OAI utilities, other tools can be found at openair2/UTILS
├── doc : Contains an up-to-date feature set list
├── LICENSE
├── maketags : Script to generate emacs tags
├── nfapi : Contains the NFAPI code. A local Readme file provides more details.
├── openair1 : 3GPP LTE Rel-10/12 PHY layer + PHY RF simulation. A local Readme file provides more details.
├── openair2 : 3GPP LTE Rel-10 RLC/MAC/PDCP/RRC/X2AP + LTE Rel-14 M2AP implementation.
    ├── COMMON
    ├── DOCS
    ├── ENB_APP
    ├── LAYER2/RLC/ with the following subdirectories: UM_v9.3.0, TM_v9.3.0, and AM_v9.3.0. 
    ├── LAYER2/PDCP/PDCP_v10.1.0.
    ├── NETWORK_DRIVER
    ├── PHY_INTERFACE
    ├── RRC/LITE
    ├── UTIL
    ├── X2AP
    ├── M2AP
    ├── MCE_APP
├── openair3: 3GPP LTE Rel10 for S1AP, NAS GTPV1-U for both ENB and UE.
    ├── COMMON
    ├── DOCS
    ├── GTPV1-U
    ├── NAS
    ├── S1AP
    ├── M3AP
    ├── SCTP
    ├── SECU
    ├── UDP
    ├── UTILS
└── targets: Top-level wrappers for unitary simulation for PHY channels, system-level emulation (eNB-UE with and without S1), and realtime eNB and UE and RRH GW.