5G QoS for Industrial Automation

Distributed industrial applications rely on the quality of service (QoS) of the underlying communications system, which has to meet the application requirements in each case. Some industrial use cases pose highly demanding communication requirements and are therefore quite sensitive to any changes in the QoS. 5G supports comprehensive mechanisms for defining, implementing, controlling, policing, and monitoring QoS. These mechanisms cover both dynamic QoS management for packet-level traffic differentiation within a single-device connection and management of the overall performance of 5G networks. This white paper addresses industrial automation professionals wishing to leverage 5G QoS features in their applications.


Executive Summary

This white paper provides an overview of how 5G QoS can support the implementation of industrial applications. As 5G systems become integrated in factories, it’s becoming increasingly important for key players involved in developing and operating Industrial IoT applications to understand the 5G QoS model and how applications can interact with the 5G network. This will help them customize and configure its capabilities to meet their particular requirements. Its main purpose is to provide an easy-to-read technical guide on 5G QoS that frees users from having to study 3GPP standards in detail. It describes the functionality of 5G QoS from an end-user perspective and explains the terminology used in connection with configuring and using it. The white paper also outlines the steps that an application can perform to request a specific QoS from the 5G network and monitor the achieved QoS, illustrating them with real-world examples from industry.

Key messages

Insight and Vision

The white paper describes the functionality of 5G QoS from an end-user perspective and explains the terminology used in connection with configuring and using it. It also outlines the steps that an application can perform to request a certain QoS from the 5G network and monitor the actual QoS, illustrating these with real-world examples from industry.


Retrospect and Outlook

QoS is undeniably one of the most important properties of the connectivity services provided by the 5G system. This white paper describes the principal concepts, functionality, and operational aspects of 5G QoS in the context of 3GPP Release 16 and the relevant Release 17 functionality that has progressed sufficiently for technical specifications to be formulated for it. Specifically, it discusses and explains the following aspects:

  • Methods that an application can use to select the desired QoS
  • Parameters and procedures that an application can use to specify the requested QoS
  • Functionality that the 5G system provides to applications for adapting to changes in the QoS
  • QoS aspects of network slicing that can be relevant to an application functioning in a network environment that supports more than one slice
  • The functionality available to applications that need to monitor QoS
  • QoS aspects of TSN
  • QoS aspects of various NPN deployment options
  • Operational aspects of requests by applications for a specific QoS for a connection when establishing a new PDU session, modifying an ongoing PDU session, or releasing a PDU session.

As far as possible, references are included to known 3GPP specification work in progress.


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