Release ledger
Canonical Atlas record
TS 38.551
NR; User Equipment (UE) Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) performance; Conformance testing
Responsible WGR5
StatusUnder change control
Initial releaseRel-17
Selected releaseRel-18
Latest indexed version19.1.0
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-18 snapshot
Work affecting this release
69 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0077 — Removal of technical content in TS 38.551 v18.6.0 and substitution with pointer to the next Release
CR 0067 rev.1 — Editorial CR on FR2 PAS similarity percentage PSP
CR 0066 — Clarification of Re-Positioning Concept for FR2 MIMO OTA
CR 0065 — On Reference coordinate system clarifications
CR 0064 — On MU budget clarification of FR1 MPAC system
CR 0063 — Editorial updates on 38.551 References
CR 0062 — Editorial updates on 38.551 clause General
CR 0061 — Editorial correction on clause Operating voltage
CR 0060 — Editorial clarifications on FR1 and FR2 gNB configurations
CR 0059 — Correction of Test Equipment Reference
CR 0051 rev.1 — On FR1 Minimum Conformance Requirements
CR 0052 rev.1 — On FR2 MIMO OTA MU
Version history
Indexed versions
Showing 21 of 21 indexed versions.
19.1.0Rel-19RAN#1132026-10-07
18.7.0Rel-18RAN#1132026-10-05
17.4.0Rel-17RAN#1132026-10-05
19.0.0Rel-19RAN#1122026-06-23
18.6.0Rel-18RAN#1112026-03-19
18.5.0Rel-18RAN#1102026-01-12
18.4.0Rel-18RAN#1092025-10-02
18.3.0Rel-18RAN#1082025-07-04
18.2.0Rel-18RAN#1072025-04-02
18.1.0Rel-18RAN#1062025-01-17
18.0.0Rel-18RAN#1052024-10-05
17.3.0Rel-17RAN#1052024-09-25
17.2.0Rel-17RAN#1042024-07-04
17.1.0Rel-17RAN#1032024-04-11
17.0.0Rel-17RAN#1022024-01-03
0.4.0Rel-17 · pre-approvalRAN5#1012023-12-04
1.0.0Rel-17 · pre-approvalRAN#1022023-12-03
0.3.0Rel-17 · pre-approvalRAN5#1002023-09-07
0.2.0Rel-17 · pre-approvalRAN5#992023-06-13
0.1.0Rel-17 · pre-approvalRAN5#982023-04-12
0.0.1Rel-17 · pre-approvalRAN5#972022-11-05
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 38.551
NR_MIMO_OTA-UEConTest
Rel-17officialUE Conformance - Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) requirements for NR UEs
TEI17_Test
Rel-17parsed(Small) Test Technical Enhancements and Improvements for Rel-17
NR_MIMO_OTA_enh-UEConTest
Rel-18parsedUE Conformance - Enhancement of Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) test methodology and requirements for NR UEs
TEI18_Test
Rel-18parsedTest - (Small) Technical Enhancements and Improvements for Rel-18
MIMO_OTA_Ph3-UEConTest
Rel-19parsedUE Conformance - NR MIMO OTA (Over the Air) testing enhancement Phase 3
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.