5G5G AdvancedDraft — coming soon
QoS Flow
How 5G QoS flows work, what 5QI values mean, and how QoS flows map from the core network down to radio bearers.
By Manas·5 min read·Updated 2026-07-18
This article is a placeholder. Full write-up coming soon.
How 5G QoS flows work, what 5QI values mean, and how QoS flows map from the core network down to radio bearers.
What this article will cover
- What a QoS flow is and how it relates to a PDU session
- 5QI (5G QoS Identifier) values and standardized characteristics
- QoS flow to radio bearer mapping at the gNB
- Guaranteed bit rate (GBR) vs non-GBR flows
- Reflective QoS and dynamic policy control (PCF)
5G AdvancedQoSCore Network
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