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OOF-SON: 5G Self-Organizing Network (SON) using ONAP Optimization Framework (OOF)

Slides presented in the March 16th 2020 Requirements Sub-committee call:

Executive Summary: SON (Self-Organizing Networks) functionality is an essential part of 4G networks, and will be even more critical for 5G. SON enables automation to improve network performance and efficiency, improve user experience, and reduce operational expenses and complexity. The objective of the OOF SON use cases is to develop an ONAP-based SON platform using the ONAP Optimization Framework (OOF). We have taken a phased approach since SON is complex, and SON for 5G is still evolving. We started with the Physical Cell Identity (PCI) optimization SON use case in Casablanca, and added centralized Automated Neighbor Relations (ANR) aspects in Dublin. In Frankfurt, we included adaptive SON functionality, took initial steps in O-RAN alignment and collaborated with Policy Control Loop Co-ordination (CLC). For Guilin, we will align with ORAN interfaces, be the early adopter of the new Runtime Config DB (e.g. generate DB schemas and APIs based on yang models), cover SON-related workflow for new cell addition, introduce another SON use case to add new platform capabilities, and collaborate on further extensions to  CLC. We will also pursue alignment with industry trends for open interfaces & open models for RAN interactions, in particular with O-RAN.

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