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3GPP System
3GPP System and Programme Management
Rel-15 (2018)
Overview
Cross-system requirements, specification management, working methods, and programme-level documents.
Full technical content for 3GPP System is coming soon. In the meantime, browse the related specifications below.
Specifications
TS 21.101
Technical Specifications and Technical Reports for a UTRAN-based 3GPP system
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.111
USIM and IC card requirements
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.201
Technical Specifications and Technical Reports for an Evolved Packet System (EPS) based 3GPP system
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.202
Technical Specifications and Technical Reports relating to the Common IP Multimedia Subsystem (IMS)
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.205
Technical Specifications and Technical Reports for a 5G based 3GPP system
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.801
Specification drafting rules
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.866
Study on Energy Efficiency Aspects of 3GPP Standards
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.900
Technical Specification Group working methods
General
Rel-20TS3GPP SystemUpdated 2026-07-26
TS 21.905
Vocabulary for 3GPP Specifications
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.915
Release 15 Description; Summary of Rel-15 Work Items
General
Rel-15TS3GPP SystemUpdated 2026-07-26
TS 21.916
Release 16 Description; Summary of Rel-16 Work Items
General
Rel-16TS3GPP SystemUpdated 2026-07-26
TS 21.917
Release 17 Description; Summary of Rel-17 Work Items
General
Rel-17TS3GPP SystemUpdated 2026-07-26
TS 21.918
Release 18 Description; Summary of Rel-18 Work Items
General
Rel-18TS3GPP SystemUpdated 2026-07-26
TS 21.919
Release 19 Description; Summary of Rel-19 Work Items
General
Rel-19TS3GPP SystemUpdated 2026-07-26