Release ledger
Canonical Atlas record
TS 38.174
NR; Integrated Access and Backhaul (IAB) radio transmission and reception
Responsible WGR4
StatusUnder change control
Initial releaseRel-16
Selected releaseRel-15
Latest indexed version20.0.0
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-15 snapshot
Work affecting this release
0 indexed Change Requests · 1 connected Work Item.
Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →
Version history
Indexed versions
Showing 44 of 44 indexed versions.
20.0.0Rel-20RAN#1132026-09-27
19.2.0Rel-19RAN#1102026-01-09
19.1.0Rel-19RAN#1082025-06-23
18.8.0Rel-18RAN#1082025-06-23
17.10.0Rel-17RAN#1082025-06-23
16.13.0Rel-16RAN#1082025-06-23
19.0.0Rel-19RAN#1072025-03-29
18.7.0Rel-18RAN#1062025-01-08
17.9.0Rel-17RAN#1062025-01-08
16.12.0Rel-16RAN#1062025-01-08
18.6.0Rel-18RAN#1052024-09-23
18.5.0Rel-18RAN#1042024-07-10
17.8.0Rel-17RAN#1042024-07-10
16.11.0Rel-16RAN#1042024-07-10
18.4.0Rel-18RAN#1032024-04-05
17.7.0Rel-17RAN#1032024-04-05
16.10.0Rel-16RAN#1032024-04-05
18.3.0Rel-18RAN#1022024-01-09
17.6.0Rel-17RAN#1022024-01-09
18.2.0Rel-18RAN#1012023-09-29
17.5.0Rel-17RAN#1012023-09-29
16.9.0Rel-16RAN#1012023-09-29
18.1.0Rel-18RAN#1002023-06-29
17.4.0Rel-17RAN#1002023-06-29
16.8.0Rel-16RAN#1002023-06-29
18.0.0Rel-18RAN#992023-04-06
17.3.0Rel-17RAN#992023-04-05
17.2.0Rel-17RAN#98-e2023-01-09
17.1.0Rel-17RAN#962022-06-24
16.7.0Rel-16RAN#962022-06-24
17.0.0Rel-17RAN#95-e2022-04-01
16.6.0Rel-16RAN#95-e2022-04-01
16.5.0Rel-16RAN#94-e2022-01-11
16.4.0Rel-16RAN#93-e2021-10-01
16.3.0Rel-16RAN#92-e2021-07-07
16.2.0Rel-16RAN#91-e2021-04-08
16.1.0Rel-16RAN#90-e2021-01-10
0.2.0Rel-16 · pre-approvalRAN4#96-e2020-10-12
16.0.0Rel-16RAN4#96-e2020-10-10
0.1.0Rel-16 · pre-approvalRAN4#95-e2020-06-16
0.0.1Rel-16 · pre-approvalRAN4#922019-09-10
1.0.1Rel-16 · pre-approvalRAN#89-e—
1.0.0Rel-16 · pre-approvalRAN#89-e—
0.0.2Rel-16 · pre-approvalRAN4#95-e—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 38.174
NR_newRAT-Core
Rel-15parsedCore part: New Radio Access Technology
LTE410_Europe_PPDR-Core
Rel-16parsedCore part: 410 - 430 MHz E-UTRA FDD Band(s) for LTE PPDR and PMR/PAMR in Europe
NR_IAB-Core
Rel-16officialCore part: NR_IAB
NR_IAB-Perf
Rel-16parsedPerf. Part: NR_IAB
NR_6GHz
Rel-17parsedIntroduction of 6GHz NR licensed bands
NR_FR1_35MHz_45MHz_BW-Core
Rel-17parsedCore part: NR_FR1_35MHz_45MHz_BW
NR_IAB_enh-Core
Rel-17parsedCore part: Enhancements to IAB for NR
NR_IAB_enh-Perf
Rel-17parsedPerf. part: Enhancements to IAB for NR
TEI17
Rel-17parsed(Small) Technical Enhancements and Improvements for Rel-17
NR_600MHz_APT-Core
Rel-18parsedCore part: APT 600MHz NR band
NR_900MHz_US-Core
Rel-18parsedCore Part: Introduction of 900 MHz NR band in the US
NR_FDD_ULn28_DLn75_n76-Core
Rel-18parsedCore part: Addition of FDD NR bands using the uplink from n28 and the downlink of n75 and n76
NR_TDD_n54-Perf
Rel-18parsedPerf. part: Introduction of NR TDD band in 1670-1675 MHz (n54)
NR_bands_n31_n72-Core
Rel-18parsedCore part: Introduction of NR bands n31 and n72
NR_mobile_IAB
Rel-18parsedMobile IAB (Integrated Access and Backhaul) for NR
NR_mobile_IAB-Core
Rel-18parsedCore part: Mobile IAB (Integrated Access and Backhaul) for NR
NR_mobile_IAB-Perf
Rel-18parsedPerf. part: Mobile IAB (Integrated Access and Backhaul) for NR
LTE_FDD_1800_1830MHz_CAN-Core
Rel-19parsedCore part: Introduction of LTE FDD band in 1800 1830 MHz for Canada
NR_BS_RF_req_evo-Core
Rel-19parsedCore part: NR base station (BS) RF requirement evolution for FR1/FR2 and testing
NR_FDD_1400MHz
Rel-19parsedIntroduction of the NR FDD 1.4 GHz band
NR_band_n68-Core
Rel-19parsedCore part: Introduction of NR band n68
NR_bands_n87_n88-Core
Rel-19parsedCore part: Introduction of NR bands n87 and n88
TEI19
Rel-19parsed(Small) Technical Enhancements and Improvements for Rel-19
NR_40GHz_EESSprot_PC1-Core
Rel-20parsedCore part: Introduction of EESS protection and PC1 for NR band(s) at 40GHz
Knowledge graph
Related standards
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