Release ledger
Canonical Atlas record
TS 38.307
NR; Requirements on User Equipments (UEs) supporting a release-independent frequency band
Release evolution
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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-19 snapshot
Work affecting this release
27 indexed Change Requests · 10 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0205 rev.4 — Correction on release independent support for Ku-band
CR 0207 — Correction on release independent support for Ka-band
CR 0202 rev.1 — CR to 38.307 to introduce NR bands n110
CR 0201 — CR to TS 38.307: Correction on NTN operating band release independence
CR 0198 — Release independence of 7 MHz channel bandwidth
CR 0196 — CR on TS38.307 Release independent for 3Tx HPUE inter-band CA
CR 0194 — CR to 38.307: Editorial change on 8RX and UL 7.5KHz shift
CR 0191 — (NR_perf_enh-Perf) Correction on release independent rules for PMI and CA test requirements (R19 A)
CR 0185 — CR to Rel-19 TS38.307 on overlapping bands table [Overlapping_Bands]
CR 0177 rev.1 — CR on introducing release independence of 40MHz for n28
CR 0179 rev.1 — TS 38.307: Introduction of NR band n110
CR 0181 — Introduction of NR band n68
Version history
Indexed versions
Showing 60 of 64 indexed versions.
Atlas classifications
Meaning and provenance
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Work Items
Standards work connected to TS 38.307
New Radio Access Technology
Core part: New Radio Access Technology
Core part: Dual Connectivity (EN-DC) of 1 LTE band (1UL/1DL) and 1 NR band (1DL/1UL)
Core part: Dual Connectivity (EN-DC) of 2 bands LTE inter-band CA (2DL/1UL) and 1 NR band (1DL/1UL)
Core part: Dual Connectivity (EN-DC) of 3 bands LTE inter-band CA (3DL/1UL) and 1 NR band (1DL/1UL)
Core part: Dual Connectivity (EN-DC) of 4 bands LTE inter-band CA (4DL/1UL) and 1 NR band (1DL/1UL)
Stopped : Core part: Dual Connectivity (EN-DC) of 5 bands LTE inter-band CA (5DL/1UL) and 1 NR band (1DL/1UL)
Core part: Dual Connectivity (EN-DC) with 3 bands DL and 3 bands UL
Core part: Dual Connectivity (EN-DC) of x bands (x=2, 3, 4) LTE inter-band CA (xDL/1UL) and 2 bands NR inter-band CA (2DL/1UL)
Core part: Dual Connectivity (EN-DC) of LTE inter-band CA xDL/1UL bands (x=2,3,4) and NR FR1 1DL/1UL band and NR FR2 1DL/1UL band
Core part: High power UE (power class 2) for EN-DC (1 LTE FDD band + 1 NR TDD band)
Core part: High power UE (power class 2) for EN-DC (1 LTE TDD band + 1 NR TDD band)
Core part: 29 dBm UE Power Class for LTE band 41 and NR Band n41
Core part: LTE-NR & NR-NR Dual Connectivity and NR CA enhancements
Core part: Rel-16 NR inter-band CA/Dual Connectivity for 2 bands DL with x bands UL (x=1, 2)
Core part: Rel-16 NR Inter-band Carrier Aggregation/Dual Connectivity for 3 bands DL with 2 bands UL
Core part: Rel16 NR inter-band Carrier Aggregation for 3 bands DL with 1 band UL
Core part: Rel-16 NR inter-band Carrier Aggregation for 4 bands DL with 1 band UL
Rel-16 NR intra band CA for xCC DL/yCC UL including contiguous and non-contiguous spectrum (x>=y)
Core part: Rel-16 NR intra band CA for xCC DL/yCC UL including contiguous and non-contiguous spectrum (x>=y)
Perf. part: NR support for high speed train scenario
RF requirements for NR frequency range 1 (FR1)
Core part: NR RF requirement enhancements for FR2
Core part: Band combinations for SA NR supplementary uplink (SUL), NSA NR SUL, NSA NR SUL with UL sharing from the UE perspective (ULSUP)
Introduction of NR band n18
Core part: Addition of channel bandwidths in Band n77 and n78
Perf. part: NR performance requirement enhancement
Core part: NR-based access to unlicensed spectrum
(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pendingDual Connectivity (DC) of 1 LTE band (1DL/1UL) and 1 NR band (1DL/1UL)
Core part: DC_R17_1BLTE_1BNR_2DL2UL
Dual Connectivity (DC) of 2 bands LTE inter-band CA (2DL/1UL) and 1 NR band (1DL/1UL)
Core part: DC_R17_2BLTE_1BNR_3DL2UL
Dual Connectivity (DC) of 3 bands LTE inter-band CA (3DL/1UL) and 1 NR band (1DL/1UL)
Core part: DC_R17_3BLTE_1BNR_4DL2UL
Dual Connectivity (DC) of 4 bands LTE inter-band CA (4DL/1UL) and 1 NR band (1DL/1UL)
Core part: DC_R17_4BLTE_1BNR_5DL2UL
Core part: DC_R17_5BLTE_1BNR_6DL2UL
Core part: DC_R17_xBLTE_2BNR_yDL2UL
Core part: DC_R17_xBLTE_2BNR_yDL3UL
Core part: DC_R17_xBLTE_3BNR_yDL2UL
Core part: Rel-17 Dual Connectivity (DC) of x bands (x=1,2) LTE inter-band CA (xDL1UL) and 4 bands NR inter-band CA (4DL1UL)
Core part: DC_R17_xBLTE_yBNR_3DL3UL
Downlink interruption for NR and EN-DC band combinations to conduct dynamic Tx Switching in Uplink
LTE/NR spectrum sharing in Band 40/n40
Core part: DSS_LTE_B40_NR_Bn40
Core part: HPUE_PC1_5_n77_n78
Core part: LTE_NR_Simult_RxTx
Core part: 4Rx support for NR band n8
Introduction of bandwidth combination set 4 (BCS4) for NR
Core part: NR_CADC_R17_2BDL_xBUL
Core part: NR_CADC_R17_3BDL_2BUL
Core part: NR_CADC_R17_4BDL_2BUL
Core part: NR_CADC_R17_5BDL_xBUL
Core part: NR_CA_R17_3BDL_1BUL
Core part: NR_CA_R17_4BDL_1BUL
Core part: NR_CA_R17_Intra
Core part: NR_FR2_FWA_Bn257_Bn258
Perf. Part: NR_FR2_FWA_Bn257_Bn258
Perf. part: Enhanced NR support for high speed train scenario for FR1
Core part: Solutions for NR for NTN
High power UE (power class 2) for one NR FDD band
Core part: High power UE (power class 2) for one NR FDD band
Core part: RF requirements enhancement for NR FR1
Core part: NR_RF_FR2_req_enh2
Core part: UE RF requirements for Transparent Tx Diversity (TxD) for NR
Perf. part: UE RF requirements for Transparent Tx Diversity (TxD) for NR
Perf. Part: NR_SAR_PC2_interB_SUL_2BUL
Core part: NR Sidelink enhancement
Perf. part: NR_SUL_combos_R17
Adding channel bandwidth support to existing NR bands
Core part: NR_bands_R17_BWs
Additional NR bands for UL-MIMO power class 3 (PC3) in Rel-17
Perf. part: NR_demod_enh2
(Small) Technical Enhancements and Improvements for Rel-17
Core part: 4Rx handheld UE for low NR bands (<1GHz) and/or 3Tx for NR inter-band UL Carrier Aggregation (CA) and EN-DC
Rel-18 Dual Connectivity (DC) of 1 band LTE (1DL/1UL) and 1 NR band (1DL/1UL)
Core part: Rel-18 Dual Connectivity (DC) of 1 band LTE (1DL/1UL) and 1 NR band (1DL/1UL)
Core part: Rel-18 Dual Connectivity (DC) of 2 bands LTE inter-band CA (2DL/1UL) and 1 NR band (1DL/1UL)
Core part: Rel-18 Dual Connectivity (DC) of x bands (x=3,4,5) LTE inter-band CA (xDL/1UL) and 1 NR band (1DL/1UL)
Core part: Rel-18 Dual Connectivity (DC) of x bands (x=1,2,3,4) LTE inter-band CA (xDL/1UL) and 2 bands NR inter-band CA (2DL/1UL)
Core part: Rel-18 Dual Connectivity (DC) of x bands (x=1,2,3) LTE inter-band CA (xDL/1UL) and y bands (3<=y<=5 and x+y <= 6) NR inter-band CA (yDL/1UL)
Core part: Rel-18 Dual Connectivity (DC) of x LTE bands and y NR bands with z bands DL and 3 bands UL (x=1, 2, 3, 4; y=1, 2; 3<=z<=6)
Rel-18 downlink interruption for NR and EN-DC band combinations at dynamic Tx Switching in Uplink
Stopped - Perf. part: Enhancement for 700/800/900MHz band combinations for NR
Introduction of 900 MHz NR band in the US
Core part: Rel-18 NR Inter-band Carrier Aggregation/Dual Connectivity for 2 bands DL with x bands UL (x=1,2)
Core part: Rel-18 NR Inter-band Carrier Aggregation/Dual Connectivity for 3 bands DL with x bands UL (x=1,2)
Core part: Rel-18 NR inter-band Carrier Aggregation/Dual Connectivity for y bands DL (y=4, 5, 6) with x bands UL (x=1, 2)
Core part: Rel-18 NR intra band Carrier Aggregation for xCC DL/yCC UL including contiguous and non-contiguous spectrum (x>=y)
Core part: Further RF requirements enhancement for NR and EN-DC in frequency range 1 (FR1)
Perf. part: Further RF requirements enhancement for NR and EN-DC in frequency range 1 (FR1)
Core part: Adding new NR FDD bands for RedCap (Reduced Capability) in Rel-18
Core part: NR support for dedicated spectrum less than 5MHz for FR1
Core part: Rel-18 band combinations for concurrent operation of NR/LTE Uu bands/band combinations and one NR/LTE V2X PC5 band
Core part: Multi-carrier enhancements for NR
Introduction of the satellite L-/S-band for NR
Core part: NR NTN (Non-Terrestrial Networks) enhancements
Core part: Introduction of NR bands n31 and n72
Core part: NR channel raster enhancement
Perf. part: NR demodulation performance evolution
Perf. part: Enhanced support of reduced capability NR devices
(Small) Technical Enhancements and Improvements for Rel-18
UE RF enhancements for NR FR1/FR2 and EN-DC, Phase 4
Core part: UE RF enhancements for NR FR1/FR2 and EN-DC, Phase 4
Core part: Introduction of the NR FDD 1.4 GHz band
Core part: 7MHz Channel Bandwidth for n26 and n5
Core part: Introduction of Ku bands for NR NTN
Core part: Non-Terrestrial Networks (NTN) for NR Phase 3
Core part: Introduction of NR band n68
Core part: Introduction of NR bands n87 and n88
Core part: Introduction of Power Class 2 and UE 40MHz Channel Bandwidth in NR band n28
(Small) Technical Enhancements and Improvements for Rel-19
Core part: Introduction of a new NR FDD band for 1.5GHz Japanese allocation
Core part: NR Radio Resource Management (RRM), Phase 6
Core part: UE RF enhancements for NR FR1, Phase 5
Core part: Introduction of the higher power classes, 3MHz channel bandwidth and eRedCap for the existing NR/IoT NTN bands
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