add documentation page skeleton
Signed-off-by: weichen <niweichen@chinamobile.com>
Change-Id: I0a3cfcb285e24323e312ed877f1936460370e9ec
diff --git a/docs/architecture/architecture.rst b/docs/architecture/architecture.rst
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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. SPDX-License-Identifier: CC-BY-4.0
+.. Copyright (C) 2019 CMCC
+
+
+O-RAN Architecture Overview
+===========================
+O-RAN SC architecture follows O-RAN Alliance defined architecture.
+
+
+.. image:: media/o-ran-architecture.png
+ :scale: 40 %
+
+Figure 1: O-RAN architecture overview
+
+In the O-RAN architecture, the radio side includes Near-RT RIC, O-CU-CP, O-CU-UP, O-DU, and O-RU. The management side includes Service Management and Orchestration Framework that contains a Non-RT-RIC function.
+
+