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TECHNICAL HIGHLIGHTS

SA5 REL-17

ACHIEVEMENTS

By WG SA5 Leadership,

Thomas Tovinger, Zou Lan
and Gerald Görmer

The Rel-18 work in SA5 is now at full speed, but for this article we will summarize some of our Rel-17
achievements, which provide a foundation and act as an enabler for what is to come in Rel-18, providing
enhanced network/service management and charging capabilities to support new 5G network features:

Management capabilities supporting provisioning and data collection of 5G network and network slice
• To support provisioning the network and network slices, the • To support data collection, file retrieval and download
5G network resource models (NRM) are extended to support mechanisms and methods for controlling management
management of new features or functionalities of 5GC and data production, collection, coordination, and discovery
NG RAN, e.g. 5GC NRM including NFs Profile, EASDF, NEF are introduced. The data includes enhancement of MDT,
selection, NSACF, NWDAF, edge computing and NR NRM trace, QoE, performance measurements, KPIs and external
to support RAN sharing scenario. The network slice NRM is management data (TS 28.537/TS 28.622/TS 28.552/TS 28.554/TS
extended with transport requirement information model to 28.405/TS 32.422).
coordinate with transport network and support end to end
network slice management (TS 28.541).

Intelligence and Automation capabilities include autonomous network levels, intent-driven management, closed loop SLS Assurance,
plug and connect for network functions, management data analytics
• Autonomous Network (AN) is a telecommunication system with autonomy capabilities which is able to be governed by itself,
with minimal to no human intervention. ANL standardizes the level of autonomy capabilities by indicating collaboration between
human and telecom system. There are different enabler capabilities supporting different levels of autonomy. Examples of these
include Self-Organization Network (SON), management data analytics (MDA), intent driven management (IDM), closed loop SLS
assurance (COSLA). A framework approach for evaluating ANL is as follows (TS 28.100).

Autonomous Task Categories
Network Level
Execution Awareness Analysis Decision Intent Handling
Manual
L0 Operating Human Human Human Human Human
Network
Assisted
L1 Operating Human & Telecom Human & Telecom Human Human Human
Network
Preliminary
L2 Autonomous Telecom System Human & Telecom Human & Telecom Human Human
Network
Intermediate
L3 Autonomous Telecom System Telecom System Human & Telecom Human & Telecom Human
Network
Advanced
L4 Autonomous Telecom System Telecom System Telecom System Telecom System Human & Telecom
Network
Full
L5 Autonomous Telecom System Telecom System Telecom System Telecom System Telecom System
Network
Note 1: Human reviewed decision has the highest authority in each level if there is any conflict between human reviewed decision and telecom generated decision.
Note2: The order of above five task categories does not reflect the workflow sequence.

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