Release ledger
Canonical Atlas record
TS 38.521-4
NR; User Equipment (UE) conformance specification; Radio transmission and reception; Part 4: Performance
Responsible WGR5
StatusUnder change control
Initial releaseRel-15
Selected releaseRel-17
Latest indexed version19.2.0
Series38
TypeTS
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
279 indexed Change Requests · 7 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.
19.2.0Rel-19RAN#1132026-10-02
18.11.0Rel-18RAN#1132026-10-02
19.1.0Rel-19RAN#1122026-07-07
19.0.0Rel-19RAN#1112026-03-25
18.10.0Rel-18RAN#1112026-03-25
18.9.0Rel-18RAN#1102026-01-13
18.8.0Rel-18RAN#1092025-10-06
18.7.0Rel-18RAN#1082025-07-07
18.6.1Rel-18RAN#1072025-04-17
18.6.0Rel-18RAN#1072025-04-16
18.5.0Rel-18RAN#1062025-01-20
18.4.0Rel-18RAN#1052024-10-08
18.3.0Rel-18RAN#1042024-07-09
18.2.0Rel-18RAN#1032024-04-16
18.1.0Rel-18RAN#1022024-01-11
17.5.0Rel-17RAN#1022024-01-03
18.0.0Rel-18RAN#1012023-10-02
17.4.0Rel-17RAN#1012023-09-30
17.3.0Rel-17RAN#1002023-07-04
17.2.1Rel-17RAN#992023-04-24
17.2.0Rel-17RAN#992023-04-14
17.1.0Rel-17RAN#98-e2023-01-18
16.14.0Rel-16RAN#98-e2023-01-17
17.0.0Rel-17RAN#97-e2022-10-05
16.13.0Rel-16RAN#97-e2022-10-05
16.12.0Rel-16RAN#962022-07-01
16.11.0Rel-16RAN#95-e2022-04-08
16.10.0Rel-16RAN#94-e2022-01-03
16.9.0Rel-16RAN#93-e2021-10-07
16.8.0Rel-16RAN#92-e2021-07-05
15.2.0Rel-15RAN#92-e2021-07-02
16.7.0Rel-16RAN#91-e2021-04-08
16.6.0Rel-16RAN#90-e2020-12-29
16.5.0Rel-16RAN#89-e2020-10-09
16.4.0Rel-16RAN#88-e2020-07-08
16.3.0Rel-16RAN#87-e2020-03-31
16.2.0Rel-16RAN#862020-01-07
16.1.0Rel-16RAN#852019-10-04
16.0.0Rel-16RAN#842019-07-09
15.1.0Rel-15RAN#842019-07-09
15.0.0Rel-15RAN#832019-03-28
1.0.0Rel-15 · pre-approvalRAN#832019-03-27
0.4.0Rel-15 · pre-approvalRAN5#822019-03-14
0.3.0Rel-15 · pre-approvalRAN5#4-5G-NR Adhoc2019-02-12
0.2.0Rel-15 · pre-approvalRAN5#812018-11-28
0.1.1Rel-15 · pre-approvalRAN5#3-5G-NR Adhoc2018-10-31
0.1.0Rel-15 · pre-approvalRAN5#2-5G-NR Adhoc2018-04-24
0.0.1Rel-15 · pre-approvalRAN5#1-5G-NR Adhoc2018-01-23
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 38.521-4
5GS_NR_LTE-UEConTest
Rel-15officialUE Conformance Test Aspects - 5G system with NR and LTE
TEI15_Test
Rel-15parsed(Small) Test Technical Enhancements and Improvements for Rel-15
5G_V2X_NRSL_eV2XARC-UEConTest
Rel-16parsedUE Conformance Test Aspects - 5G V2X with NR sidelink
NR_DL256QAM_FR2-UEConTest
Rel-16parsedUE Conformance Test Aspects - Add support of NR DL 256QAM for FR2
NR_HST-UEConTest
Rel-16parsedUE Conformance Test Aspects - NR support for high speed train scenario
NR_L1enh_URLLC-UEConTest
Rel-16parsedUE Conformance Test Aspects - Physical Layer Enhancements for NR URLLC
NR_UE_pow_sav-UEConTest
Rel-16parsedUE Conformance Test Aspects -UE Power Saving in NR
NR_bands_BW_R16-UEConTest
Rel-16parsedUE Conformance Test Aspects for new Rel-16 NR bands and extension of existing NR bands
NR_eMIMO-UEConTest
Rel-16parsedUE Conformance Test Aspects - Enhancements on MIMO for NR
NR_perf_enh-UEConTest
Rel-16parsedUE Conformance Test Aspects - NR performance requirement enhancement
NR_unlic-UEConTest
Rel-16parsedUE Conformance Test Aspects - NR-based access to unlicensed spectrum
TEI16_Test
Rel-16parsed(Small) Test Technical Enhancements and Improvements for Rel-16
NR_DL1024QAM_FR1-UEConTest
Rel-17parsedUE Conformance - Introduction of DL 1024QAM for NR FR1
NR_HST_FR1_enh-UEConTest
Rel-17parsedUE Conformance - Enhanced NR support for high speed train scenario for frequency range 1 (FR1)
NR_HST_FR2-UEConTest
Rel-17parsedUE Conformance - NR support for high speed train scenario in frequency range 2 (FR2)
NR_demod_enh2-UEConTest
Rel-17parsedUE Conformance - Further enhancement on NR demodulation performance
NR_feMIMO-UEConTest
Rel-17parsedUE Conformance - Further enhancements on MIMO for NR
NR_redcap_plus_ARCH-UEConTest
Rel-17parsedUE Conformance - Support of reduced capability NR devices
TEI17_Test
Rel-17parsed(Small) Test Technical Enhancements and Improvements for Rel-17
NR_ATG-UEConTest
Rel-18parsedUE Conformance - Air-to-ground network for NR
NR_ENDC_RF_FR1_enh2-UEConTest
Rel-18parsedUE Conformance - Further RF requirements enhancement for NR and EN-DC in frequency range 1
NR_FR1_lessthan_5MHz_BW-UEConTest
Rel-18parsedUE Conformance - NR support for dedicated spectrum less than 5MHz for FR1
NR_FR2_multiRX_DL-UEConTest
Rel-18parsedUE Conformance - Requirement for NR frequency range 2 (FR2) multi-Rx chain DL reception
NR_HST_FR2_enh-UEConTest
Rel-18parsedUE Conformance - Enhanced NR support for high speed train scenario in frequency range 2 (FR2)
NR_MIMO_evo_DL_UL-UEConTest
Rel-18parsedUE Conformance - NR MIMO evolution for downlink and uplink
NR_demod_enh3-UEConTest
Rel-18parsedUE Conformance - NR demodulation performance evolution
NR_redcap_enh_plus_CT1-UEConTest
Rel-18parsedUE Conformance - Enhanced support of reduced capability NR devices plus CT1 aspects
TEI18_Test
Rel-18parsedTest - (Small) Technical Enhancements and Improvements for Rel-18
NR_AIML_air-UEConTest
Rel-19parsedUE Conformance - Artificial Intelligence (AI)/Machine Learning (ML) for NR Air Interface
NR_ENDC_RF_Ph4-UEConTest
Rel-19parsedUE Conformance - UE RF enhancements for NR FR1/FR2 and EN-DC, Phase 4
NR_MIMO_Ph5-UEConTest
Rel-19parsedUE Conformance - NR MIMO Phase 5
NR_demod_Ph5-UEConTest
Rel-19parsedUE Conformance - NR demodulation performance: Phase 5
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