TR Latest: Rel-17 Core Network 5G

TR 33.881 – 5G Non-Seamless WLAN Offload Study

3GPP TR 33.881 is the 3GPP Technical Report for 5G Non-Seamless WLAN Offload Study. Its official 3GPP title is “Study on Non-Seamless WLAN Offload (NSWO) in 5G System (5GS) using 3GPP credentials”. It is part of 3GPP Rel-17 (version 17.1.0).

Study on supporting Non-Seamless WLAN Offload in 5G using 3GPP credentials, maintaining security and privacy.

Read TR 33.881 →

Document type

Technical Report

Latest release

Rel-17

Latest version

17.1.0

Series

33 series

Releases and versions of TR 33.881

Release	Latest version	Links
Rel-17	17.1.0	Read · Download (3GPP)

Scope of TR 33.881

Category: Core Network (Authentication). Technology generation: 5G. Network layer: CoreNetwork.

Who should read this specification?

Network operators
Device manufacturers
Regulators and standards bodies

Implementation notes

Complexity level: Advanced. Implementation difficulty: High.

Key technologies

5GWLANEAP-AKA

Specifications referenced by TR 33.881

TR 21.905 3GPP Terminology and Definitions
TS 33.501 5G Security Architecture
TS 23.003 Numbering, Addressing and Identification
TS 33.402 Security for non-3GPP access to EPS
TS 23.402 EPC for Non-3GPP Access (PMIP)
TS 33.102 3G Security Architecture Specification

Other specifications in the 33 series

TR 33.876 Technical Report on Certificate Management
TR 33.877 Technical Report on Security Aspects of AI/ML in RAN
TR 33.879 MCPTT Security Study
TR 33.880 Security Study for Enhanced Mission Critical Services
TR 33.882 Technical Report on 5G Security for Personal IoT Networks
TR 33.883 Technical Report on 5G Multicast-Broadcast Services Security
TR 33.884 Study on security of application enablement aspects for subscriber-aware northbound API access
TR 33.885 Security Study for V2X Services

Related glossary terms

NSWO 5GS WLAN UE AN MN 5GC 5G IMSI CN UDM ARPF

Related technologies

Frequently asked questions

What is 3GPP TR 33.881?

3GPP TR 33.881 is the 3GPP Technical Report for 5G Non-Seamless WLAN Offload Study. Study on supporting Non-Seamless WLAN Offload in 5G using 3GPP credentials, maintaining security and privacy.

Which 3GPP releases include TR 33.881?

TR 33.881 is part of 3GPP Rel-17. The latest version on 3GPP Explorer is 17.1.0 (Rel-17).

What category does TR 33.881 belong to?

TR 33.881 belongs to the Core Network (Authentication) category of 3GPP specifications. It applies to 5G networks.

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