Canonical Atlas record

TS 38.174

NR; Integrated Access and Backhaul (IAB) radio transmission and reception

Open in graph Compare this spec Standards catalogue

Search Rel-17 ↗JSON 3GPP Portal ↗DynaReport ↗

Responsible WGR4

StatusUnder change control

Initial releaseRel-16

Selected releaseRel-17

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.

Release ledger

Version · WI · CR evidence by release

Rel-15no version indexed1 WI0 CRs

Rel-1616.13.03 WI63 CRs · 26 approved

Rel-1717.10.05 WI46 CRs · 30 approved

Rel-1818.8.08 WI49 CRs · 35 approved

Rel-1919.2.06 WI15 CRs · 7 approved

Rel-2020.0.01 WI1 CR · 1 approved

Rel-17 snapshot

Work affecting this release

46 indexed Change Requests · 5 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0139 — (NR_IAB-Core) CR to 38.174: Removal of IAB performance requirements for 5 MHz channel bandwidth

CR 0038 — CR on case-6 timing for eIAB_RF

CR 0038 rev.1 — CR on case-6 timing for eIAB_RF

CR 0039 — CR to TS 38.174 with bracket removal for timing error between IAB-DU and IAB-MT

CR 0050 — Clean up for IAB demodulation requirements in TS 38.174 (Rel-17)

CR 0052 — CR to TS 38.174 Maintenance of IAB for supported BW R17

CR 0052 rev.1 — CR to TS 38.174 Maintenance of IAB for supported BW R17

CR 0064 — [NR_IAB-Perf] CR for TS 38.174 FRC Correction in PDCCH Table (NR_IAB, Rel-17, CAT A)

CR 0066 — CR to correct FR2 range in IAB specifiaiton

CR 0080 — CR to TS 38.174 with correction of co-location requirements

CR 0082 — NR_IAB-Core:CR to 38.174 Correction of the value of X in IAB-MT OTA receiver spurious emissions_Rel17

CR 0089 — CR to align scaling factor for IAB-MT type I-O to IAB-DU type 1-O

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

Core part: New Radio Access Technology

Rel-15parsed

LTE410_Europe_PPDR-Core

Core part: 410 - 430 MHz E-UTRA FDD Band(s) for LTE PPDR and PMR/PAMR in Europe

Rel-16parsed

NR_IAB-Core

Core part: NR_IAB

Rel-16official

NR_IAB-Perf

Perf. Part: NR_IAB

Rel-16parsed

NR_6GHz

Introduction of 6GHz NR licensed bands

Rel-17parsed

NR_FR1_35MHz_45MHz_BW-Core

Core part: NR_FR1_35MHz_45MHz_BW

Rel-17parsed

NR_IAB_enh-Core

Core part: Enhancements to IAB for NR

Rel-17parsed

NR_IAB_enh-Perf

Perf. part: Enhancements to IAB for NR

Rel-17parsed

TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed

NR_600MHz_APT-Core

Core part: APT 600MHz NR band

Rel-18parsed

NR_900MHz_US-Core

Core Part: Introduction of 900 MHz NR band in the US

Rel-18parsed

NR_FDD_ULn28_DLn75_n76-Core

Core part: Addition of FDD NR bands using the uplink from n28 and the downlink of n75 and n76

Rel-18parsed

NR_TDD_n54-Perf

Perf. part: Introduction of NR TDD band in 1670-1675 MHz (n54)

Rel-18parsed

NR_bands_n31_n72-Core

Core part: Introduction of NR bands n31 and n72

Rel-18parsed

NR_mobile_IAB

Mobile IAB (Integrated Access and Backhaul) for NR

Rel-18parsed

NR_mobile_IAB-Core

Core part: Mobile IAB (Integrated Access and Backhaul) for NR

Rel-18parsed

NR_mobile_IAB-Perf

Perf. part: Mobile IAB (Integrated Access and Backhaul) for NR

Rel-18parsed

LTE_FDD_1800_1830MHz_CAN-Core

Core part: Introduction of LTE FDD band in 1800 1830 MHz for Canada

Rel-19parsed

NR_BS_RF_req_evo-Core

Core part: NR base station (BS) RF requirement evolution for FR1/FR2 and testing

Rel-19parsed

NR_FDD_1400MHz

Introduction of the NR FDD 1.4 GHz band

Rel-19parsed

NR_band_n68-Core

Core part: Introduction of NR band n68

Rel-19parsed

NR_bands_n87_n88-Core

Core part: Introduction of NR bands n87 and n88

Rel-19parsed

TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed

NR_40GHz_EESSprot_PC1-Core

Core part: Introduction of EESS protection and PC1 for NR band(s) at 40GHz

Rel-20parsed

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.