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October 2026

  1. In progress

    Working group

    RAN4#120-bis

    South Korea

    Meeting details ↗Link to this meeting

    Programme preview

    Topics listed for discussion include 6G radio interface (RRM core requirements, Tx Requirements); UE RF requirements; RRM core requirement; General aspects and workplan; Moderator summary and conclusions.

    View listed topics (138)
    • RRM core requirementsAgenda 7.10.3, 7.8.4, 7.6.5.2, 7.6.6.3, 7.19.3, 7.7.5 · R4-2620108, R4-2620132, R4-2620135 and 53 more
    • UE RF requirementsAgenda 7.6.6.2.1, 7.6.5.1, 7.7.4, 7.8.3, 7.6.6.1.1, 7.11.3 · R4-2620355, R4-2620356, R4-2620372 and 43 more
    • RRM core requirementAgenda 7.17.3, 7.15.3, 7.14.4, 7.21.3 · R4-2620032, R4-2620033, R4-2620069 and 39 more
    • General aspects and workplanAgenda 7.16.2, 7.14.2, 7.21.2, 7.20.2, 7.12.2, 7.18.2 · R4-2620029, R4-2620067, R4-2620117 and 28 more
    • Tx RequirementsAgenda 8.3.2, 8.4.1.2 · R4-2620052, R4-2620110, R4-2620141 and 27 more
    • Moderator summary and conclusionsAgenda 7.4.1, 7.7.1, 7.8.1, 7.10.1, 7.15.1, 7.16.1, 7.17.1, 7.18.1, 7.21.1, 7.5.1, 7.9.1, 7.22.1, 7.3.1, 7.14.1, 7.1.1, 7.2.1, 7.6.1, 7.19.1, 7.20.1, 7.11.1, 7.12.1 · R4-2620644, R4-2620645, R4-2620646 and 26 more
    • Rx requirementsAgenda 8.4.1.3, 8.3.3 · R4-2620142, R4-2620168, R4-2620191 and 20 more
    • Feature lead topic summaryAgenda 8.1.1 · R4-2620657, R4-2620658, R4-2620660 and 18 more
    • Receiver assumptions, Interference profile/modelling, TxEVM assumptions and OthersAgenda 8.7.4 · R4-2620062, R4-2620063, R4-2620092 and 18 more
    • TN coexistence study for ~7 GHzAgenda 8.4.3.1 · R4-2620144, R4-2620145, R4-2620202 and 17 more
    • 6G UE group for RRMAgenda 8.6.3 · R4-2620059, R4-2620123, R4-2620217 and 16 more
    • Max/Min CBWAgenda 8.2.2.1 · R4-2620073, R4-2620177, R4-2620255 and 16 more
    • Spectrum aggregationAgenda 8.3.5 · R4-2620018, R4-2620020, R4-2620111 and 16 more
    • 6G measurement gap designAgenda 8.6.1 · R4-2620016, R4-2620120, R4-2620214 and 15 more
    • 6G mobility related RRMAgenda 8.6.4 · R4-2620034, R4-2620124, R4-2620218 and 15 more
    • Band combination simplificationAgenda 8.5.3 · R4-2620053, R4-2620173, R4-2620213 and 15 more
    • Definition of frequency ranges and spectrum related regulatory surveyAgenda 8.5.1 · R4-2620114, R4-2620171, R4-2620172 and 15 more
    • Output power requirementsAgenda 8.3.1 · R4-2620021, R4-2620051, R4-2620109 and 15 more
    • Performance requirements for FR1 SU-MIMO with spatial channel modelAgenda 7.5.3 · R4-2620085, R4-2620086, R4-2620336 and 15 more
    • RRM performance requirementsAgenda 7.4.3.3 · R4-2620133, R4-2620312, R4-2620321 and 15 more
    • Modulation for ULAgenda 8.2.3.1 · R4-2620154, R4-2620165, R4-2620183 and 14 more
    • Sub-topic 1: Measurement and/or reporting procedures based on measurement purpose and demandAgenda 8.6.2.1 · R4-2620017, R4-2620121, R4-2620215 and 14 more
    • AI-NC Sub-Case 1: AI-based DPoD (Digital Post-Distortion) at NWAgenda 8.8.2 · R4-2620065, R4-2620161, R4-2620163 and 13 more
    • AI-RRM Sub-Case 1: FR2-1 L3 spatial domain beam-level prediction for Tx (intra-cell)Agenda 8.8.4.1 · R4-2620035, R4-2620104, R4-2620227 and 13 more
    • Bands and band definitionsAgenda 8.5.2 · R4-2620115, R4-2620212, R4-2620434 and 13 more
    • Demodulation and CSI reporting test frameworkAgenda 8.7.3 · R4-2620061, R4-2620090, R4-2620091 and 13 more
    • Inter-vendor training collaboration and interoperability for two-sided AI/ML modelsAgenda 7.14.3 · R4-2620015, R4-2620068, R4-2620118 and 13 more
    • Mobility and measurement aspectsAgenda 7.18.4.2 · R4-2620138, R4-2620273, R4-2620328 and 13 more
    • Number of Tx and RxAgenda 8.2.4 · R4-2620046, R4-2620156, R4-2620187 and 13 more
    • Radiated performance metricAgenda 8.11.1 · R4-2620094, R4-2620236, R4-2620302 and 13 more
    • Spectrum sharingAgenda 8.9 · R4-2620093, R4-2620230, R4-2620487 and 13 more
    • Spectrum utilizationAgenda 8.2.2.4 · R4-2620044, R4-2620076, R4-2620180 and 13 more
    • Sync rasterAgenda 8.2.6.2 · R4-2620049, R4-2620159, R4-2620185 and 13 more
    • Channel modelAgenda 8.7.2 · R4-2620060, R4-2620089, R4-2620220 and 12 more
    • Irregular CBWAgenda 8.2.2.5 · R4-2620045, R4-2620077, R4-2620181 and 12 more
    • Joint UE-BS RFAgenda 8.3.4 · R4-2620019, R4-2620162, R4-2620192 and 12 more
    • Low PAPRAgenda 8.2.1.1 · R4-2620041, R4-2620153, R4-2620175 and 12 more
    • RRM measurement prediction (UE sided model)Agenda 7.16.3 · R4-2620030, R4-2620105, R4-2620442 and 12 more
    • Timing and frequency in Initial Access and Connected ModeAgenda 7.18.4.1 · R4-2620137, R4-2620272, R4-2620327 and 12 more
    • AI-RRM Sub-Case 2: FR1 L3 frequency domain (within the same FR) cell-level prediction (inter-cell, non-collocated)Agenda 8.8.4.2 · R4-2620036, R4-2620103, R4-2620228 and 11 more
    • asymmetric CBWAgenda 8.2.2.3 · R4-2620043, R4-2620075, R4-2620179 and 11 more
    • RAN4 6G specification enhancementAgenda 8.12.2 · R4-2620071, R4-2620082, R4-2620239 and 11 more
    • Rapporteur input (WID/TR/big CR) (do not reserve the draft TR prior to the start of the meeting)Agenda 5.6.1, 5.3.1, 5.2.1, 5.4.1, 5.7.1 · R4-2620040, R4-2620551, R4-2620597 and 11 more
    • Channel rasterAgenda 8.2.6.1 · R4-2620048, R4-2620158, R4-2620184 and 10 more
    • Coexistence study and simulation assumptionsAgenda 8.10.3 · R4-2620056, R4-2620150, R4-2620151 and 10 more
    • General aspectsAgenda 8.12.1 · R4-2620081, R4-2620241, R4-2620266 and 10 more
    • SBFD BS to SBFD BS adjacent channel coexistenceAgenda 7.2.4 · R4-2620147, R4-2620369, R4-2620370 and 10 more
    • Smallest max CBW related SAW-less designAgenda 8.2.5 · R4-2620047, R4-2620157, R4-2620188 and 10 more
    • Sub-topic 3: Measurement continuity and/or measurement result reuse across RRC statesAgenda 8.6.2.2 · R4-2620122, R4-2620216, R4-2620305 and 10 more
    • Early data scheduling on SCell prior to valid CSI reportAgenda 7.4.4 · R4-2620134, R4-2620310, R4-2620412 and 9 more
    • Enhanced test methodologies to cover NTN Ka and Ku bandsAgenda 7.3.3 · R4-2620098, R4-2620298, R4-2620299 and 9 more
    • Measurement event prediction (UE sided model)Agenda 7.16.4 · R4-2620031, R4-2620106, R4-2620443 and 9 more
    • NTN MEO coexistence studyAgenda 8.4.3.2 · R4-2620164, R4-2620206, R4-2620207 and 9 more
    • NumerologyAgenda 8.2.2.2 · R4-2620042, R4-2620074, R4-2620178 and 9 more
    • Other RRM topics (driven by LS)Agenda 8.6.5 · R4-2620219, R4-2620277, R4-2620311 and 9 more
    • Others based on LSAgenda 8.8.5.1 · R4-2620037, R4-2620070, R4-2620080 and 9 more
    • Feasibility studyAgenda 8.10.2 · R4-2620055, R4-2620149, R4-2620232 and 8 more
    • NR NTN PC1.5 dual TxAgenda 7.6.3 · R4-2620100, R4-2620445, R4-2620552 and 8 more
    • Performance requirements for 6Rx UE with interferenceAgenda 7.5.4 · R4-2620087, R4-2620608, R4-2620609 and 8 more
    • Testing aspectsAgenda 8.10.5 · R4-2620058, R4-2620152, R4-2620235 and 8 more
    • Feature lead running summaryAgenda 8.1.2 · R4-2620078, R4-2620242, R4-2620492 and 7 more
    • NTN related aspectsAgenda 8.3.6, 8.5.4 · R4-2620112, R4-2620174, R4-2620398 and 7 more
    • NTN-TN coexistence aspectsAgenda 8.4.4.2 · R4-2620146, R4-2620204, R4-2620404 and 7 more
    • SAN core requirementsAgenda 7.6.6.1.2, 7.6.6.2.2 · R4-2620634, R4-2620636, R4-2621016 and 7 more
    • Study practical spatial channel modelling methodology for MU-MIMOAgenda 7.9.3 · R4-2620088, R4-2620340, R4-2620548 and 7 more
    • UE RF related topics (other than NTN)Agenda 4.2 · R4-2620026, R4-2620027, R4-2620028 and 7 more
    • Use Case 2 AI-based SRS power imbalance compensationAgenda 8.8.3 · R4-2620066, R4-2620119, R4-2620226 and 7 more
    • 1x29 PC1.5 for TDD bands for FWAAgenda 7.1.3.3 · R4-2620025, R4-2620785, R4-2620885 and 6 more
    • Modeling an NTN aggressor with multiple LEO satellites including parameters (Common for both NTN-NTN and NTN-TN scenarios)Agenda 8.4.4.1 · R4-2620203, R4-2620306, R4-2620403 and 6 more
    • NR_CADC_R20_3BDL_yBUL (y=1,2)Agenda 5.6.4 · R4-2620251, R4-2620252, R4-2620375 and 6 more
    • PC2 FDD HPUE duty cycleAgenda 10.2.1 · R4-2620102, R4-2620406, R4-2620488 and 6 more
    • RAN task relatedAgenda 8.11.4 · R4-2620072, R4-2620096, R4-2620295 and 6 more
    • Requirements for intermediate UE of topology 2Agenda 7.21.6.1 · R4-2620285, R4-2620471, R4-2620590 and 6 more
    • System parameters including sync rasterAgenda 7.21.4 · R4-2620245, R4-2620282, R4-2620367 and 6 more
    • UE RF requirements for frequency errorAgenda 7.18.3 · R4-2620024, R4-2620101, R4-2620446 and 6 more
    • Coexistence between active device C and NR/LTE in D4T1Agenda 7.21.5.3 · R4-2620247, R4-2620284, R4-2620470 and 5 more
    • CR handlingAgenda 8.12.3 · R4-2620083, R4-2620240, R4-2620345 and 5 more
    • Device type C requirementsAgenda 7.21.5.2 · R4-2620283, R4-2620469, R4-2620589 and 5 more
    • Impact on the existing requirements and potential new requirements (RF, RRM, etc.)Agenda 8.10.4 · R4-2620057, R4-2620234, R4-2620269 and 5 more
    • IoT NTNAgenda 7.12.3.2 · R4-2620491, R4-2620619, R4-2620665 and 5 more
    • NR_CADC_R20_2BDL_yBUL (y=1,2)Agenda 5.6.3 · R4-2620128, R4-2620129, R4-2620130 and 5 more
    • Type 1-H enhancementAgenda 8.4.1.1 · R4-2620140, R4-2620197, R4-2620363 and 5 more
    • Channel spacingAgenda 8.2.6.3 · R4-2620050, R4-2620160, R4-2620186 and 4 more
    • Demodulation performance requirementsAgenda 7.4.3.4 · R4-2620084, R4-2620610, R4-2620681 and 4 more
    • Introduce support of the higher power classes for the NTN NR bandsAgenda 5.5.3 · R4-2620738, R4-2620739, R4-2620740 and 4 more
    • R20_NR_bands_CA_DC_BWsAgenda 5.7.2 · R4-2620384, R4-2620730, R4-2620731 and 4 more
    • RRM Performance requirementAgenda 7.21.8 · R4-2620415, R4-2620804, R4-2620829 and 4 more
    • UE RF for NR bandAgenda 5.12.3 · R4-2620742, R4-2620775, R4-2620827 and 4 more
    • UE/BS RF and OTA TestabilityAgenda 8.11.2 · R4-2620095, R4-2620237, R4-2620300 and 4 more
    • Enhancement of co-location requirementsAgenda 7.2.3 · R4-2620148, R4-2620582, R4-2620642 and 3 more
    • Introduce support of the higher power classes for the NTN NB-IoT bandsAgenda 5.5.4 · R4-2620667, R4-2621398, R4-2621399 and 3 more
    • NR NTNAgenda 7.12.3.1 · R4-2620490, R4-2620618, R4-2620833 and 3 more
    • Power class 0.5Agenda 7.20.3.1 · R4-2620448, R4-2621107, R4-2621109 and 3 more
    • Specify FR1 TRP and TRS requirements for new bandsAgenda 7.3.4 · R4-2620099, R4-2620374, R4-2620499 and 3 more
    • Type 1-C BS where differences are needed from Rel-19Agenda 7.21.5.1 · R4-2620246, R4-2620289, R4-2620368 and 3 more
    • 2x29 PC1 for TDD bands for FWAAgenda 7.1.3.4 · R4-2620886, R4-2621068, R4-2621336 and 2 more
    • BS RF requirementsAgenda 8.4.1, 5.14.2 · R4-2620200, R4-2620573, R4-2620577 and 2 more
    • Coexistence between active device 2b and NR/LTE in D2T2-CAgenda 7.21.6.4 · R4-2620287, R4-2620288, R4-2620473 and 2 more
    • Migration of A-MPR to JSON formatAgenda 12.1 · R4-2620411, R4-2621009, R4-2621049 and 2 more
    • New or revised WID/SIDAgenda 13 · R4-2620835, R4-2620836, R4-2620842 and 2 more
    • NTN-NTN coexistence aspectsAgenda 8.4.4.3 · R4-2620205, R4-2620942, R4-2621027 and 2 more
    • OoB correlation modeling for AAS BSAgenda 8.4.5 · R4-2620208, R4-2620209, R4-2620210 and 2 more
    • PRD 01, Rules guidelines and ways of working for introduction of band combinationsAgenda 5.6.9 · R4-2620249, R4-2620984, R4-2621007 and 2 more
    • R20_HPUE_NR_FR1_bandsAgenda 5.7.3 · R4-2620777, R4-2620778, R4-2621135 and 2 more
    • Simultaneous Rx/Tx band combinations for NR CA/DC, NR SUL and LTE/NR DCAgenda 5.2.3 · R4-2620380, R4-2620381, R4-2620382 and 2 more
    • Adaptation of the ETSI MCC band combination databaseAgenda 5.6.8 · R4-2620981, R4-2620982, R4-2620983 and 1 more
    • CoexistenceAgenda 7.7.3 · R4-2620908, R4-2620912, R4-2621054 and 1 more
    • Coexistence simulation assumptions handling in the TRAgenda 8.4.6 · R4-2620579, R4-2620727, R4-2621133 and 1 more
    • Demodulation performance requirementAgenda 7.22.3 · R4-2620341, R4-2620611, R4-2620759 and 1 more
    • HD-FDD for Ku band with FR1 numerology maintenance aspectsAgenda 7.6.4 · R4-2620554, R4-2621013, R4-2621113 and 1 more
    • No DL interruption for NR and EN-DC band combinations at dynamic Tx Switching in UplinkAgenda 5.2.2 · R4-2620394, R4-2620595, R4-2620596 and 1 more
    • NR_CADC_R20_xBDL_yBUL (3<x<7, y=1,2)Agenda 5.6.5 · R4-2620250, R4-2620358, R4-2620915 and 1 more
    • Release independenceAgenda 7.6.7, 7.1.5 · R4-2620521, R4-2620558, R4-2621333 and 1 more
    • RF requirements for active device 2bAgenda 7.21.6.3 · R4-2620286, R4-2620472, R4-2620591 and 1 more
    • 2x26 PC1.5 for FDD bands)Agenda 7.1.3.2 · R4-2620755, R4-2621334, R4-2621335
    • BS RF for LTE bandAgenda 5.13.3 · R4-2621122, R4-2621370, R4-2621486
    • BS RF for NR bandAgenda 5.12.4 · R4-2621125, R4-2621368, R4-2621477
    • HPUEAgenda 5.6.7 · R4-2620376, R4-2620751, R4-2621063
    • Modulation for DLAgenda 8.2.3.2 · R4-2620155, R4-2620697, R4-2621535
    • NTN non-RRM topicsAgenda 4.6.1 · R4-2620851, R4-2620852, R4-2620897
    • Power class 0.1Agenda 7.20.3.2 · R4-2620449, R4-2621108, R4-2621461
    • DC_R20_1BLTE_1BNR_2DL2ULAgenda 5.3.2 · R4-2620837, R4-2621558
    • HPUE_DC_LTE_NR_R20Agenda 5.3.6 · R4-2620750, R4-2621285
    • Main session (for moderator submission only)Agenda 4.1.1, 10.1.1 · R4-2621600, R4-2621601
    • PA modelAgenda 8.2.1.2 · R4-2620176, R4-2620457
    • RRMAgenda 8.6 · R4-2620673, R4-2620674
    • RRM core requirements (no contributions expected except formal CR at the end of the WI)Agenda 7.4.3.2 · R4-2621137, R4-2621605
    • UE RF for LTE bandAgenda 5.13.2 · R4-2621123, R4-2621369
    • UE RRM/Demodulation TestabilityAgenda 8.11.3 · R4-2620867, R4-2621066
    • UL-MIMO for a single bandAgenda 5.4.2 · R4-2620430, R4-2621050
    • 4RxAgenda 5.4.3 · R4-2620749
    • 4x26 PC1 for single carrier TDD CPE/FWA (no contributions expected except formal CR at the end of the WI)Agenda 7.1.3.1 · R4-2621604
    • 6G study itemAgenda 8 · R4-2621469
    • 6G unified measurementsAgenda 8.6.2 · R4-2620692
    • RAN task and other topics (not including the RAN task on NTN-TN coexistence)Agenda 12 · R4-2620747
    • SAN conformanceAgenda 5.11.2 · R4-2621011
    • Specify FR1 MIMO OTA requirements for new bands based on static test methodAgenda 7.3.5 · R4-2620500
    • UE RF core requirementsAgenda 7.12.3 · R4-2621127

    Based on agenda topics in the document register, including reserved submissions. This is a partial preview, not a record of decisions.

    Document register (XLSX) ↗ · Checked

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