3GPP Atlas

Canonical Atlas record

TS 38.521-4

NR; User Equipment (UE) conformance specification; Radio transmission and reception; Part 4: Performance

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Responsible WGR5
StatusUnder change control
Initial releaseRel-15
Selected releaseRel-18
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.

Release ledger

Version · WI · CR evidence by release

Rel-1515.2.02 WI142 CRs · 50 approved
Rel-1616.14.010 WI760 CRs · 445 approved
Rel-1717.5.07 WI279 CRs · 159 approved
Rel-1818.11.09 WI485 CRs · 310 approved
Rel-1919.2.04 WI96 CRs · 56 approved

Rel-18 snapshot

Work affecting this release

485 indexed Change Requests · 9 connected Work Items.

Showing 4 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 1147 — Removal of technical content in TS 38.521-4 v18.10.0 and substitution with pointer to the next Release

CR 1088 rev.1 — Update chapter 5 procedures to clarify requirements

CR 1048 rev.1 — Finalize the FDD Enhanced Receiver Type 2 test cases

CR 1063 rev.1 — Addition of 6CC CQI test case

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

UE Conformance Test Aspects - 5G system with NR and LTE

Rel-15official
TEI15_Test

(Small) Test Technical Enhancements and Improvements for Rel-15

Rel-15parsed
5G_V2X_NRSL_eV2XARC-UEConTest

UE Conformance Test Aspects - 5G V2X with NR sidelink

Rel-16parsed
NR_DL256QAM_FR2-UEConTest

UE Conformance Test Aspects - Add support of NR DL 256QAM for FR2

Rel-16parsed
NR_HST-UEConTest

UE Conformance Test Aspects - NR support for high speed train scenario

Rel-16parsed
NR_L1enh_URLLC-UEConTest

UE Conformance Test Aspects - Physical Layer Enhancements for NR URLLC

Rel-16parsed
NR_UE_pow_sav-UEConTest

UE Conformance Test Aspects -UE Power Saving in NR

Rel-16parsed
NR_bands_BW_R16-UEConTest

UE Conformance Test Aspects for new Rel-16 NR bands and extension of existing NR bands

Rel-16parsed
NR_eMIMO-UEConTest

UE Conformance Test Aspects - Enhancements on MIMO for NR

Rel-16parsed
NR_perf_enh-UEConTest

UE Conformance Test Aspects - NR performance requirement enhancement

Rel-16parsed
NR_unlic-UEConTest

UE Conformance Test Aspects - NR-based access to unlicensed spectrum

Rel-16parsed
TEI16_Test

(Small) Test Technical Enhancements and Improvements for Rel-16

Rel-16parsed
NR_DL1024QAM_FR1-UEConTest

UE Conformance - Introduction of DL 1024QAM for NR FR1

Rel-17parsed
NR_HST_FR1_enh-UEConTest

UE Conformance - Enhanced NR support for high speed train scenario for frequency range 1 (FR1)

Rel-17parsed
NR_HST_FR2-UEConTest

UE Conformance - NR support for high speed train scenario in frequency range 2 (FR2)

Rel-17parsed
NR_demod_enh2-UEConTest

UE Conformance - Further enhancement on NR demodulation performance

Rel-17parsed
NR_feMIMO-UEConTest

UE Conformance - Further enhancements on MIMO for NR

Rel-17parsed
NR_redcap_plus_ARCH-UEConTest

UE Conformance - Support of reduced capability NR devices

Rel-17parsed
TEI17_Test

(Small) Test Technical Enhancements and Improvements for Rel-17

Rel-17parsed
NR_ATG-UEConTest

UE Conformance - Air-to-ground network for NR

Rel-18parsed
NR_ENDC_RF_FR1_enh2-UEConTest

UE Conformance - Further RF requirements enhancement for NR and EN-DC in frequency range 1

Rel-18parsed
NR_FR1_lessthan_5MHz_BW-UEConTest

UE Conformance - NR support for dedicated spectrum less than 5MHz for FR1

Rel-18parsed
NR_FR2_multiRX_DL-UEConTest

UE Conformance - Requirement for NR frequency range 2 (FR2) multi-Rx chain DL reception

Rel-18parsed
NR_HST_FR2_enh-UEConTest

UE Conformance - Enhanced NR support for high speed train scenario in frequency range 2 (FR2)

Rel-18parsed
NR_MIMO_evo_DL_UL-UEConTest

UE Conformance - NR MIMO evolution for downlink and uplink

Rel-18parsed
NR_demod_enh3-UEConTest

UE Conformance - NR demodulation performance evolution

Rel-18parsed
NR_redcap_enh_plus_CT1-UEConTest

UE Conformance - Enhanced support of reduced capability NR devices plus CT1 aspects

Rel-18parsed
TEI18_Test

Test - (Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed
NR_AIML_air-UEConTest

UE Conformance - Artificial Intelligence (AI)/Machine Learning (ML) for NR Air Interface

Rel-19parsed
NR_ENDC_RF_Ph4-UEConTest

UE Conformance - UE RF enhancements for NR FR1/FR2 and EN-DC, Phase 4

Rel-19parsed
NR_MIMO_Ph5-UEConTest

UE Conformance - NR MIMO Phase 5

Rel-19parsed
NR_demod_Ph5-UEConTest

UE Conformance - NR demodulation performance: Phase 5

Rel-19parsed

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