Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-141,188 specifications
Key features: First 5G NR specifications, NSA and SA architectures
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 29.501
5G System; Principles and Guidelines for Services Definition; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.502
5G System; Session Management Services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.503
5G System; Unified Data Management Services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.504
5G System; Unified Data Repository Services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.505
5G System; Usage of the Unified Data Repository services for Subscription Data; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.507
5G System; Access and Mobility Policy Control Service; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.508
5G System; Session Management Event Exposure Service; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.509
5G System; Authentication Server Services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.510
5G System; Network function repository services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.511
5G System; Equipment Identity Register Services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.512
5G System; Session Management Policy Control Service; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.513
5G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.514
5G System; Policy Authorization Service; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.518
5G System; Access and Mobility Management Services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.519
5G System; Usage of the Unified Data Repository Service for Policy Data, Application Data and Structured Data for Exposure; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.520
5G System; Network Data Analytics Services; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.521
5G System; Binding Support Management Service; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.522
5G System; Network Exposure Function Northbound APIs; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.523
5G System; Policy Control Event Exposure Service; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.524
5G System; Cause codes mapping between 5GC interfaces; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25