diff --git a/README.md b/README.md
index 7651aea5c998e7a55b2096d1562487d5155183b5..59b4a5a301fb5e68acb8702d1efc550f25358bb4 100644
--- a/README.md
+++ b/README.md
@@ -1,73 +1,3 @@
-# OpenAirInterface License #
+# OpenXG-RAN
 
-OpenAirInterface is under OpenAirInterface Software Alliance license.
-
- *  [OAI License Model](http://www.openairinterface.org/?page_id=101)
- *  [OAI License v1.1 on our website](http://www.openairinterface.org/?page_id=698)
-
-It is distributed under **OAI Public License V1.1**.
-
-The license information is distributed under [LICENSE](LICENSE) file in the same directory.
-
-Please see [NOTICE](NOTICE.md) file for third party software that is included in the sources.
-
-# Where to Start #
-
- *  [The implemented features](./doc/FEATURE_SET.md)
- *  [How to build](./doc/BUILD.md)
- *  [How to run the modems](./doc/RUNMODEM.md)
-
-# RAN repository structure #
-
-The OpenAirInterface (OAI) software is composed of the following parts: 
-
-<pre>
-openairinterface5g
-鈹溾攢鈹€ ci-scripts        : Meta-scripts used by the OSA CI process. Contains also configuration files used day-to-day by CI.
-鈹溾攢鈹€ cmake_targets     : Build utilities to compile (simulation, emulation and real-time platforms), and generated build files.
-鈹溾攢鈹€ common            : Some common OAI utilities, other tools can be found at openair2/UTILS.
-鈹溾攢鈹€ doc               : Contains an up-to-date feature set list and starting tutorials.
-鈹溾攢鈹€ executables       : Top-level executable source files.
-鈹溾攢鈹€ LICENSE           : License file.
-鈹溾攢鈹€ maketags          : Script to generate emacs tags.
-鈹溾攢鈹€ nfapi             : Contains the NFAPI code. A local Readme file provides more details.
-鈹溾攢鈹€ openair1          : 3GPP LTE Rel-10/12 PHY layer / 3GPP NR Rel-15 layer. A local Readme file provides more details.
-鈹偮犅� 鈹溾攢鈹€ PHY
-鈹偮犅� 鈹溾攢鈹€ SCHED
-鈹偮犅� 鈹溾攢鈹€ SCHED_NBIOT
-鈹偮犅� 鈹溾攢鈹€ SCHED_NR
-鈹偮犅� 鈹溾攢鈹€ SCHED_NR_UE
-鈹偮犅� 鈹溾攢鈹€ SCHED_UE
-鈹偮犅� 鈹斺攢鈹€ SIMULATION    : PHY RF simulation.
-鈹溾攢鈹€ openair2          : 3GPP LTE Rel-10 RLC/MAC/PDCP/RRC/X2AP + LTE Rel-14 M2AP implementation. Also 3GPP NR Rel-15 RLC/MAC/PDCP/RRC/X2AP.
-鈹偮犅� 鈹溾攢鈹€ COMMON
-鈹偮犅� 鈹溾攢鈹€ DOCS
-鈹偮犅� 鈹溾攢鈹€ ENB_APP
-鈹偮犅� 鈹溾攢鈹€ F1AP
-鈹偮犅� 鈹溾攢鈹€ GNB_APP
-鈹偮犅� 鈹溾攢鈹€ LAYER2/RLC/   : with the following subdirectories: UM_v9.3.0, TM_v9.3.0, and AM_v9.3.0.
-鈹偮犅� 鈹溾攢鈹€ LAYER2/PDCP/PDCP_v10.1.0
-鈹偮犅� 鈹溾攢鈹€ M2AP
-鈹偮犅� 鈹溾攢鈹€ MCE_APP
-鈹偮犅� 鈹溾攢鈹€ NETWORK_DRIVER
-鈹偮犅� 鈹溾攢鈹€ NR_PHY_INTERFACE
-鈹偮犅� 鈹溾攢鈹€ NR_UE_PHY_INTERFACE
-鈹偮犅� 鈹溾攢鈹€ PHY_INTERFACE
-鈹偮犅� 鈹溾攢鈹€ RRC
-鈹偮犅� 鈹溾攢鈹€ UTIL
-鈹偮犅� 鈹斺攢鈹€ X2AP
-鈹溾攢鈹€ openair3          : 3GPP LTE Rel10 for S1AP, NAS GTPV1-U for both ENB and UE.
-鈹偮犅� 鈹溾攢鈹€ COMMON
-鈹偮犅� 鈹溾攢鈹€ DOCS
-鈹偮犅� 鈹溾攢鈹€ GTPV1-U
-鈹偮犅� 鈹溾攢鈹€ M3AP
-鈹偮犅� 鈹溾攢鈹€ MME_APP
-鈹偮犅� 鈹溾攢鈹€ NAS
-鈹偮犅� 鈹溾攢鈹€ S1AP
-鈹偮犅� 鈹溾攢鈹€ SCTP
-鈹偮犅� 鈹溾攢鈹€ SECU
-鈹偮犅� 鈹溾攢鈹€ TEST
-鈹偮犅� 鈹溾攢鈹€ UDP
-鈹偮犅� 鈹斺攢鈹€ UTILS
-鈹斺攢鈹€ 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.
-</pre>
+OpenXG-RAN is originally forked from OpenAirInterface, and evolves at its own step.