Release ledger
Canonical Atlas record
TS 38.508-2
5GS; User Equipment (UE) conformance specification; Part 2: Common Implementation Conformance Statement (ICS) proforma
Release evolution
Compare evidence between releases
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.
Rel-17 snapshot
Work affecting this release
495 indexed Change Requests · 50 connected Work Items.
Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →
Version history
Indexed versions
Showing 48 of 48 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 38.508-2
UE Conformance Test Aspects - 5G system with NR and LTE
UE Conformance Test Aspects 5G System Non-3GPP Access
(Small) Test Technical Enhancements and Improvements for Rel-15
UE Conformance Test Aspects - 5G V2X with NR sidelink
UE Conformance Test Aspects - Access Traffic Steering, Switch and Splitting support in 5G system
UE Conformance Test Aspects - High power UE (power class 2) for EN-DC (1 LTE FDD band + 1 NR TDD band)
UE Conformance Test Aspects - High power UE (power class 2) for EN-DC (1 LTE TDD band + 1 NR TDD band)
UE Conformance Test Aspects - 29 dBm UE Power Class for LTE Band 41 and NR Band n41
UE Conformance Test Aspects - LTE-NR & NR-NR Dual Connectivity and NR CA enhancements
UE Conformance Test Aspects - Private Network Support for NG-RAN
UE Conformance Test Aspects - 2-step RACH for NR
UE Conformance Test Aspects - Rel-16 NR CA and DC; and NR and LTE DC Configurations
UE Conformance Test Aspects - Cross Link Interference (CLI) handling for NR
UE Conformance Test Aspects - NR support for high speed train scenario
UE Conformance Test Aspects Support of NR Industrial Internet of Things (IoT)
UE Conformance Test Aspects - Physical Layer Enhancements for NR URLLC
UE Conformance Test Aspects - NR Mobility Enhancements
UE Conformance Test Aspects - RF requirements for NR FR1
UE Conformance Test Aspects - NR RF requirement enhancements for frequency range 2 (FR2)
UE Conformance Test Aspects - NR RRM enhancements
UE Conformance Test Aspects - SON (Self-Organising Networks) and MDT (Minimization of Drive Tests) support for NR
UE Conformance Test Aspects -UE Power Saving in NR
UE Conformance Test Aspects for new Rel-16 NR bands and extension of existing NR bands
UE Conformance Test Aspects - Enhancements on MIMO for NR
UE Conformance Test Aspects - NR performance requirement enhancement
UE Conformance Test Aspects - NR-based access to unlicensed spectrum
UE Conformance Test Aspects - Optimisations on UE radio capability signalling - NR/E-UTRA Aspects
UE Conformance Test Aspects - Single Radio Voice Call Continuity from 5G to 3G
(Small) Test Technical Enhancements and Improvements for Rel-16
UE Conformance Test Aspects - Enhancement of Network Slicing
UE Conformance - ATSSS_Ph2
UE Conformance - Downlink interruption for NR and EN-DC band combinations to conduct dynamic Tx Switching in Uplink
UE Conformance - Power Class 2 for EN-DC with x LTE bands + y NR band(s) in DL and with 1 LTE band +1 TDD NR band in UL (either x= 2, 3, y=1 or x=1, 2, y=2)
UE Conformance - ENDC_UE_PC2_R17_NR_TDD
UE Conformance - High-power UE (power class 1.5) operation in NR bands n77 and n78
UE Conformance - Support of Uncrewed Aerial Systems Connectivity, Identification, and Tracking
UE Conformance - ING_5GS
UE Conformance - Further Multi-RAT Dual-Connectivity enhancement
UE Conformance - Multi-SIM devices for LTE/NR
UE Conformance - Protocol enhancements for Mission Critical Services (MCPTT, MCVideo, MCData) for Rel-17
UE Conformance - Enhancement of Private Network support for NG-RAN including CT aspects
UE Conformance - 4Rx support for NR band n8
UE Conformance - Rel-17 NR CA and DC; and NR and LTE DC Configurations
UE Conformance - Introduction of DL 1024QAM for NR FR1
UE Conformance - Enhancement of data collection for SON (Self-Organising Networks)/MDT (Minimization of Drive Tests) in NR standalone and MR-DC (Multi-Radio Dual Connectivity)
UE Conformance - Introduction of FR2 FWA (Fixed Wireless Access) UE with maximum TRP (Total Radiated Power) of 23dBm for band n257 and n258
UE Conformance - Enhanced NR support for high speed train scenario for frequency range 1 (FR1)
UE Conformance - NR support for high speed train scenario in frequency range 2 (FR2)
UE Conformance - Enhanced Industrial Internet of Things (IoT) and ultra-reliable and low latency communication (URLLC) support for NR
UE Conformance - NR Multicast and Broadcast Services including CT and SA aspects
UE Conformance - NR and MR-DC measurement gap enhancements
UE Conformance - Solutions for NR to support non-terrestrial networks (NTN) plus CT aspects
UE Conformance - Rel-17 High power UE for NR inter-band Carrier Aggregation with 2 bands downlink and x bands uplink (x=1,2)
UE Conformance - High power UE (power class 2) for one NR FDD band
UE Conformance - NR QoE management and optimizations for diverse services
UE Conformance - RF requirements enhancement for NR frequency range 1 (FR1)
UE Conformance - UE RF requirements for Transparent Tx Diversity (TxD) for NR
UE Conformance - Further RRM enhancement for NR and MR-DC
UE Conformance - SAR schemes for UE power class 2 (PC2) for NR inter-band Carrier Aggregation and supplemental uplink (SUL) configurations with 2 bands UL
UE Conformance - NR Sidelink enhancement
UE Conformance - NR Sidelink Relay
UE Conformance - NR small data transmissions in INACTIVE state
UE Conformance - NR Uplink Data Compression (UDC)
UE Conformance - High power UE (power class 1.5) for NR band n79
UE Conformance - Rel-17 Power Class 2 UE for NR inter-band CA/DC with or without SUL configurations with x (6>=x>2) bands DL and y (y=1, 2) bands UL
UE Conformance - High power UE (power class 2) for NR band n34
UE Conformance - High power UE (power class 2) for NR band n39
UE Conformance - UE power saving enhancements for NR
UE Conformance - Additional NR bands for UL-MIMO in Rel-17
UE Conformance - NR coverage enhancements
UE Conformance - Further enhancement on NR demodulation performance
UE Conformance - Further enhancements on MIMO for NR
UE Conformance - High power UE for NR TDD intra-band carrier aggregation in frequency range FR1
UE Conformance - New Rel-17 NR licensed bands and extension of existing NR bands
UE Conformance - Support of reduced capability NR devices
UE Conformance - Enhancement of RAN slicing for NR
(Small) Test Technical Enhancements and Improvements for Rel-17
UE Conformance - User Plane Integrity Protection support for EPC connected architectures (incl. CT/SA aspects)
UE Conformance - Enhancement for the 5G Control Plane Steering of Roaming for UE in Connected mode
UE Conformance - Enhancement of Network Slicing Phase 2
UE Conformance - 4Rx for NR bands for FWA (Fixed Wireless Access) UEs (<2.6GHz) and handheld UEs (1GHz to 2.6GHz)
UE Conformance - 4Rx handheld UE for low NR bands (<1GHz) and/or 3Tx for NR inter-band UL Carrier Aggregation (CA) and EN-DC
UE Conformance - Access Traffic Steering, Switch and Splitting support in the 5G system architecture; Phase 3
UE Conformance - Rel-18 High Power UE for NR CA and DC; and NR and LTE DC Configurations;
UE Conformance - High power UE (power class 2) for NR FR1 FDD single band
UE Conformance - High power UE (power class 1.5) for NR FR1 TDD single band
UE Conformance - High-power UE operation for fixed-wireless/vehicle-mounted use cases in LTE bands and NR bands in Rel-18
UE Conformance - MPS when access to EPC/5GC is WLAN
UE Conformance - Air-to-ground network for NR
UE Conformance - Rel-18 NR CA and DC; and NR and LTE DC Configurations
UE Conformance - Dual Transmission/Reception (Tx/Rx) Multi-SIM for NR
UE Conformance - Further RF requirements enhancement for NR and EN-DC in frequency range 1
UE Conformance - New NR FDD bands for RedCap (Reduced Capability) in Rel-18
UE Conformance - NR support for dedicated spectrum less than 5MHz for FR1
UE Conformance - Requirement for NR frequency range 2 (FR2) multi-Rx chain DL reception
UE Conformance - Enhanced NR support for high speed train scenario in frequency range 2 (FR2)
UE Conformance - In-Device Co-existence (IDC) enhancements for NR and MR-DC
UE Conformance - Enhancements of NR Multicast and Broadcast Services including CT aspects
UE Conformance - Multi-carrier enhancements for NR
UE Conformance - Further enhancements on NR and MR-DC measurement gaps and measurements without gaps
UE Conformance - Enhancement of Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) test methodology and requirements for NR UEs
UE Conformance - NR MIMO evolution for downlink and uplink
UE Conformance - Mobile Terminated-Small Data Transmission (MT-SDT) for NR
UE Conformance - Further NR mobility enhancements
UE Conformance - NR NTN (non-Terrestrial Networks) enhancements plus CT aspects
UE Conformance - NR sidelink evolution
UE Conformance - NR sidelink relay enhancements
UE Conformance - NR Support for UAV (Uncrewed Aerial Vehicles) plus CT1 aspects
UE Conformance - XR (eXtended Reality) enhancements for NR plus CT1 aspects
UE Conformance - Additional NR bands for UL-MIMO in Rel-18
UE Conformance - Channel raster enhancement
UE Conformance - Further NR coverage enhancements
UE Conformance - NR demodulation performance evolution
UE Conformance - New Rel-18 NR licensed bands and extension of existing NR bands
UE Conformance - Enhanced support of reduced capability NR devices plus CT1 aspects
UE Conformance - Network energy savings for NR
Test - (Small) Technical Enhancements and Improvements for Rel-18
UE Conformance - Non-Public Networks Phase 2: NG-RAN aspects plus CT1 aspects
UE Conformance - Network Slicing Phase 3
UE Conformance - Rel-19 High power UE (power class 1.5 or 2) for Dual Connectivity (DC) combinations of LTE band(s) and NR band(s)
UE Conformance - Rel-19 High power UE (power class 1.5 or 2) for NR intra-band Carrier Aggregation (CA) or NR inter-band CA/Dual connectivity (DC) band combinations with/without NR Supplementary Uplink (SUL)
UE Conformance - Rel-19 High power UE (power class 1.5 and 2) for NR FR1 TDD/FDD single band for handheld/FWA UEs, and high power UE operation (power class 2, 1.5 and 1) for FWVM (fixed-wireless/vehicle-mounted) use cases in a single NR band
UE Conformance - Simultaneous Rx/Tx band combinations for NR CA/DC, NR SUL and LTE/NR DC in Rel-19
UE Conformance - Inter-RAT mobility support from E-UTRAN TN to NR NTN
UE Conformance - Multi-Access (ATSSS_Ph4)
UE Conformance - Artificial Intelligence (AI)/Machine Learning (ML) for NR Air Interface
UE Conformance - Rel-19 NR CA and DC; and NR and LTE DC Configurations
UE Conformance - UE RF enhancements for NR FR1/FR2 and EN-DC, Phase 4
UE Conformance - NR channel BW less than 5MHz for FR1 Phase 2
UE Conformance - Enhanced requirements and conductive test methodology for NR NTN and IoT NTN
UE Conformance - Low NR band carrier aggregation via switching
UE Conformance - Low-power wake-up signal and receiver for NR
UE Conformance - Multi-carrier enhancements for NR Phase 3
UE Conformance - NR MIMO Phase 5
UE Conformance - NR mobility enhancements Phase 4 plus SA3 aspects
UE Conformance - Non-Terrestrial Networks (NTN) for NR Phase 3
UE Conformance - XR (eXtended Reality) for NR Phase 3
UE Conformance - Additional NR bands for NR features in Rel-19
UE Conformance - Evolution of NR duplex operation: Sub-band full duplex (SBFD)
UE Conformance - New Rel-19 NR licensed bands and extension of existing NR bands
UE Conformance - Introduction of Power Class 2 and UE 40MHz Channel Bandwidth in NR band n28
UE Conformance - Identifying non-3GPP Devices Connecting behind a UE or 5G-RG
UE Conformance - Rel-20 NR CA and DC; and NR and LTE DC Configurations
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.