Canonical Atlas record
3GPP System Architecture Evolution (SAE); Security architecture
EPS security architecture
Release-aware filtering uses explicit relationship validity where mapped and official initial-release metadata where available. Unknown relationship validity remains visible and labelled rather than guessed.
Release evolution
Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Release ledger
Rel-16 snapshot
26 indexed Change Requests · 4 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0720 — Incorrect statements about 33.310
CR 0696 — Protection of DNS messages
CR 0680 — Adding K5GSRVCC as a possible input key to derive IKSRVCC and CKSRVCC
CR 0698 — CR to TS 33.401 - addition of UPIP to LTE
CR 0695 rev.2 — Security Aspects of DNS and ICMP
CR 0693 — UE caps protection using AS security in EPS Rel-16
CR 0694 rev.1 — UE caps protection using AS security in EPS Rel-16
CR 0697 — Add requirement for OAM to IAB ENDC
CR 0690 rev.1 — Key derivation for CHO(LTE R16)
CR 0689 — UE handling on CHO key derivation for LTE
CR 0691 — Solution for IAB Architecture - ENDC
CR 0683 rev.1 — 33401-CR on CHO key derivation
Version history
Showing 60 of 105 indexed versions.
Atlas classifications
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Work Items
Limbo: code to be used for not-approved CRs related to never-approved WIDs
Provisioning of IP-based multimedia services
Study on 3GPP System Architecture Evolution
Rel-8 LTE 3G Long Term Evolution - Evolved Packet System RAN part
Stage 2/3 for Network selection procedures
Issues for CT1 TR 24.801
3GPP System Architecture Evolution Specification - Evolved Packet System (non RAN aspects)
Stage 3 for SAE / LTE identities
Stage 3 (CT4) of SAE impact on existing capabilities
Stage 3 SAE impact on existing capabilities
Stage 2 Security Architecture
Deleted - Issues for CT4 TR 29.803
Stage 3 (CT1) for SAE impact on services, network functions and capabilities
Issues for CT3 TR 29.804
Core specification for CT6 aspects of SAE
CT6 aspects of SAE
Stage 3 for QoS mechanisms
CT4 Stage 3 for protocol between EPCs
Stage 3 for UE Non-Access-Stratum (NAS) mobility procedures in idle and active mode
Stage 3 for Session management, bearer control and QoS aspects
Stage 3 for EPC - HSS interface
Stage 3 for security aspects of LTE Access
Stage 3 for Inter-system mobility between E-UTRAN and 2G/3G
Stage 2 GPRS for EPC (23.060, etc.)
Stage 3 for MME - SGSN signalling free protocol
Stage 3 for Inter-system mobility between E-UTRAN and CDMA2000
Stage 3 for EPC to 3GPP2
Stage 3 for EPC to UTRAN
Stage 3 for EPC - GPRS
CT4 Stage 3 for GTP v2 protocol
CT4 Stage 3 for PMIP protocol within EPC
Mobile IPv4 (MIPv4) based Mobility protocols
Stage 3 for Mobility management based on DSMIPv6
Stage 3 for Access to the EPC via non-3GPP access networks
Stage 3 for interfaces within EPC
Stage 3 for AAA/HSS related
Stage 3 for Mobility management based on MIP v4
Stage 3 for Inter-system mobility between E-UTRAN and non 3GPP accesses
Stage 2 Security aspects for non-3GPP Access
Stage 3 security aspects for MIPv4 Access
Stage 3 for Interfaces EPC - non-3GPP IP access
(IETF) Stage 3 for Interfaces EPC - non-3GPP IP access
(IETF) Stage 3 for Mobility management based on DSMIPv6 (draft-ietf-mip6-hiopt)
(IETF) Stage 3 for Mobility management based on DSMIPv6 (RFC6275)
Stage 3 security aspects for DSMIPv6 Access
Stage 3 for EPC - AAA interface
(Small) Technical Enhancements and Improvements for Rel-8
Support for IMS Emergency Calls over GPRS and EPS
Security aspects for IMS Emergency Calls over GPRS and EPS
SA3 part of Network Domain Security (NDS) enhancements to support backhaul security
(Small) Technical Enhancements and Improvements for Rel-9
Security for Local IP Access and Selected Internet IP Traffic Offload
Relays for LTE
LTE Relay Nodes Security
Security for LTE Relay Nodes (Stage 2)
(Small) Technical Enhancements and Improvements for Rel-10
ZUC EEA3 and EIA3 (new Encryption & Integrity EPS security Algorithms)
ZUC EEA3 and EIA3
Rel-11 Security small Enhancements
(Small) Technical Enhancements and Improvements for Rel-11
E-UTRA Small cell enhancements - Physical layer aspects
Core part: Dual connectivity for LTE
TR on SA3 part for Security aspects of Public Warning System
Rel-12 Security small Enhancements
(Small) Technical Enhancements and Improvements for Rel-12
Awaiting formal work item
Study on Security Aspects of Isolated E-UTRAN Operation for Public Safety
Core part: LTE-WLAN Radio Level Integration and Interworking Enhancement
Core part: LTE-WLAN RAN Level Integration supporting legacy WLAN
(Small) Technical Enhancements and Improvements for Rel-13
Enhancements of NB-IoT
(Small) Technical Enhancements and Improvements for Rel-14
Security aspects of 5G System - Phase 1
Historical association · verification pendingBattery Efficient Security for very low Throughput MTC Devices
Core part: Even further enhanced MTC for LTE
Core part: Further NB-IoT enhancements
(Small) Technical Enhancements and Improvements for Rel-15
Security aspects of single radio voice continuity from 5GS to UTRAN
Cellular IoT support and evolution for the 5G System
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pendingUser Plane Integrity Protection
(Small) Technical Enhancements and Improvements for Rel-17
User Plane Integrity Protection for LTE
Enhancements to User Plane Integrity Protection Support in 5GS
(Small) Technical Enhancements and Improvements for Rel-18
Security Aspects of 5G Satellite Access Phase 3
(Small) Technical Enhancements and Improvements for Rel-19
Security Aspects of 5G Satellite Access Phase 4
Study on Security Aspects of Satellite Access in 5G Phase 4
General Packet Radio Service
OAM Principles and High-level Requirements
(Small) Technical Enhancements and Improvements for R99
Knowledge graph
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