№ files_lp_4_process_2_61958
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Technical meeting summary outlining discussion topics, proposals, simulation results, and draft change requests related to demodulation requirements for SBFD operation and NTN enhancements in 3GPP Release 19 NR specifications.
Year:
2026
City:
Gothenburg
Country:
Sweden
Organization:
3GPP TSG-RAN Working Group 4
Meeting:
TSG-RAN WG4 Meeting #118
Agenda item:
6.22
Topic ID:
311
Topic title:
Rel-19 Demod_Part1_duplex_NTN
Work items:
NR_duplex_evo-Perf; NR_NTN_Ph3-Perf
Technical areas:
SBFD demodulation; NTN demodulation
Document type:
Technical meeting topic summary
Source:
Moderator (Samsung)
Contributing companies:
ZTE Corporation; Sanechips; Huawei; HiSilicon; Ericsson; Samsung; Nokia
Technical specifications referenced:
3GPP TS 38.104; 3GPP TS 38.141-1; 3GPP TS 38.141-2; 3GPP TS 38.211; 3GPP TS 38.212
Related references:
R4-2523110; RP-241614; RP-243300
Technology:
5G NR
Focus topics:
SBFD demodulation requirements; PUSCH performance with UL muting; SBFD-capable base stations; NTN uplink capacity and RedCap UE support
Release:
3GPP Release 19
Audience:
3GPP RAN4 participants and telecom equipment vendors
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Year:
2024
Region / City:
Sophia Antipolis, France
Subject:
Band combinations for NR and LTE
Document Type:
Permanent Reference Document (PRD)
Organization:
3rd Generation Partnership Project (3GPP)
Author:
3GPP TSG RAN WG4 (RAN4)
Target Audience:
Technical engineers, 3GPP participants
Period of validity:
Indefinite, subject to updates
Approval Date:
Not specified
Date of changes:
Not specified
Year:
2025
Region / City:
Prague, Czech Republic
Theme:
3GPP Meeting Agenda
Document Type:
Meeting Agenda
Organization:
3GPP
Author:
RAN4 Chair
Target Audience:
Delegates of 3GPP RAN4 Working Group
Period of Validity:
Oct. 13-17, 2025
Approval Date:
TBD
Date of Changes:
None
Year:
2020
Region / City:
Virtual Meeting
Topic:
Smart Repeaters, RAN4, NR
Document Type:
Meeting Notes
Organization:
3GPP TSG-RAN
Author:
Qualcomm, Ericsson
Target Audience:
Telecommunications professionals
Period of Action:
September 14-18, 2020
Approval Date:
N/A
Modification Date:
N/A
Meeting:
3GPP TSG-RAN WG4 #116
Document number:
R4-250xxxx
Agenda item:
2
Source:
RAN4 Chair
Location:
Bengaluru, India
Dates:
25–29 August 2025
Organization:
3GPP TSG-RAN WG4
Document type:
Meeting agenda
Document for:
Approval
Topics:
IPR declaration, competition law, consensus principles, 6G working principles, maintenance guidance, LTE and NR specifications, spectrum and RF requirements
Related releases:
Rel-15, Rel-16, Rel-17, Rel-18, Rel-19
Technologies referenced:
LTE, NR, EN-DC, MR-DC, NB-IoT, eMTC, NTN
Year:
2026
Location:
Gothenburg, Sweden
Topic:
6G AI/ML for Radio Access Network
Document Type:
Meeting Report / Topic Summary
Organization:
3GPP TSG-RAN WG4
Author:
Moderator (Samsung)
Target Audience:
RAN Working Groups and involved companies
Agenda Item:
8.1
Preceding Documents:
RP-251881, RP-252912, R4-2601166
Meeting Number:
WG4 #118
Discussion Points:
AI/ML framework, Use case identification, LCM procedures, Data collection, Coordination with other WGs
Stage 1 Timeline:
Q4 2025 – Q1 2026
Stage 2 Timeline:
Q2 2026 – Q2 2027
Companies Involved:
Samsung, CATT, Huawei, China Unicom, vivo
Year:
2022
Meeting:
3GPP TSG-RAN WG4 Meeting #102-e
Date:
21 February – 03 March 2022
Agenda item:
10.14
Organization:
3GPP TSG-RAN Working Group 4
Source:
Moderator (MediaTek Inc.)
Participating organizations:
CMCC; Ericsson; MediaTek Inc.; Qualcomm, Inc.; vivo
Topic:
NR UE Power Saving Enhancements
Technical scope:
RLM/BFD relaxation mechanisms and UE measurement requirements
Related correspondence:
Incoming LS from RAN2 (R2-2201989) on RLM/BFD relaxation for ePowSav
Document type:
Email discussion summary
Work items:
NR_UE_pow_sav_enh feature definition for Release 17
Technical areas:
Radio Resource Management; UE capability signaling; power saving mechanisms
Key concepts:
RLM relaxation; BFD relaxation; SSB-based measurements; CSI-RS-based measurements; beam failure recovery
Proposed feature scope:
UE capability for relaxation of RLM and/or BFD measurements with per-UE granularity and optional capability signaling
Discussion process:
Two-round email discussion covering scope, options, and issue resolution
Year:
2025
Event:
3GPP TSG-RAN WG4 Meeting #117
Location:
Dallas, USA
Dates:
17–21 November 2025
Agenda item:
8.1
Document ID:
R4-2522436
Source:
CMCC
Document for:
Approval
Organization:
3GPP TSG-RAN Working Group 4 (RAN4)
Technical domain:
5G–6G radio access and spectrum sharing
Topic:
Multi-Radio Spectrum Sharing (MRSS) between NR and 6G
Sub-topics:
General aspects of MRSS; Technical aspects facilitating MRSS
Key technologies mentioned:
NR, 6GR, NTN, NB-IoT, eMTC, CP-OFDM, DFT-s-OFDM
Frequency ranges discussed:
FR1, FR2-1, sub-6 GHz, 24.25–52 GHz
Participating companies:
Samsung, Ericsson, OPPO, Xiaomi, ZTE, Sony, Apple, Nokia, Huawei, CMCC, CATT, KDDI, Tejas Networks, LGE, Spreadtrum, UNISOC, ISSDU, NTU
Type of document:
Technical meeting contribution and agreement summary
Subject:
Study framework and technical considerations for 5G–6G spectrum sharing
Status:
Agreements and open issues for further discussion
Year:
2026
Location:
Gothenburg, Sweden
Subject:
6G spectrum allocation and band group concept
Document type:
Meeting draft / Technical report
Organization:
3GPP TSG-RAN WG4
Author:
Feature Lead (China Telecom)
Audience:
RAN4 members and participating companies
Period of activity:
Feb 9–13, 2026
Agenda items:
Band group concept study, Spectrum-related regulatory survey
Related documents:
R4-2522463, TR38.760-4
Purpose:
Approval of draft workflow for band group structuring and 6G candidate bands
Technical scope:
RF requirements, carrier aggregation, UE capabilities, operating frequency ranges
Year:
2026
Location:
Gothenburg, Sweden
Organization:
3GPP TSG-RAN Working Group 4
Source:
KDDI
Agenda Item:
5.9.1
Document Type:
Technical meeting contribution
Title:
RF/RRM work plan for NR_1500MHz_JP WI
Purpose:
Approval
Topic:
5G NR radio frequency and radio resource management specifications
Related Work Item:
Introduction of a new NR FDD band for 1.5 GHz Japanese allocation (Rel-20)
Frequency Allocation:
1427.9–1462.9 MHz UL, 1475.9–1510.9 MHz DL
Referenced Document:
RP-253811
Target Specifications:
TS 38.101-1, TS 36.101, TS 38.307, TS 38.104, TS 38.133, TS 38.141-1, TS 38.141-2
Meeting Dates:
09–13 February 2026
Working Groups Involved:
RAN4, RRM
Subject:
Definition of RF requirements, RRM requirements, and performance aspects for a new NR FDD band for the Japanese 1.5 GHz allocation
Year:
2020
Event:
3GPP TSG-RAN WG4 Meeting #96-e
Date:
17 August – 28 August 2020
Source:
Ericsson, T-Mobile US
Document type:
Technical Proposal
Standard:
TR 37.817-01-01
Agenda item:
10.1.2
Purpose:
Approval
Topics covered:
Carrier Aggregation configuration CA_n71(2A), channel bandwidths, UE co-existence, reference sensitivity
Frequency band:
n71
Technical area:
NR (New Radio), 5G
Authoring organization:
3GPP RAN4 Working Group
Year:
2025
Location:
Dallas, USA
Subject:
6G radio demodulation
Document type:
Meeting summary / Technical contributions
Organization:
3GPP TSG-RAN WG4
Author:
Feature Lead (MediaTek inc.)
Audience:
RAN4 participants and 3GPP members
Event date:
17–21 November 2025
Agenda item:
8.1
Source companies:
Qualcomm, China Telecom
Proposals count:
16
Observation count:
14
Summarized topics:
Channel models, TxEVM and SNR, Receiver assumptions, Interference modelling, Performance testing, UE classification, Uplink demodulation
Year:
2022
Region / city:
Electronic Meeting
Topic:
Wireless communication, 5G
Document type:
Meeting document
Organization:
Qualcomm Incorporated
Audience:
3GPP TSG-RAN WG4 participants
Period of validity:
May 09 - 20, 2022
Approval date:
Not specified
Date of changes:
Not specified
Note:
Context
Year:
2022
Organization:
3GPP TSG-RAN WG4
Meeting type:
Electronic Meeting
Document type:
Information Summary
Source:
Qualcomm Incorporated
Participants:
Apple Inc., Nokia, Nokia Shanghai Bell, Ericsson, Huawei, HiSilicon
Agenda item:
9.15.10.2
Topic:
UE performance requirements for Rel-17 extension to 71GHz
Rounds of discussion:
1st round, 2nd round
Frequency range:
FR2-2
SCS/CBW combinations:
120 kHz, 480 kHz, 960 kHz SCS; CBW 100 MHz – 2000 MHz
Proposals and observations:
UE demodulation, channel models (TDL-A, TDL-D), Doppler and delay spread considerations, PDSCH/PDCCH/PBCH requirements
Year:
2023
Location:
Xiamen, CN
Topic:
NR FR2 Multi-RX Downlink Demodulation
Document Type:
Meeting Report / Technical Summary
Organization:
3GPP TSG-RAN WG4
Authors:
Qualcomm (Moderator), Apple, Nokia, Huawei, HiSilicon, MediaTek
Audience:
3GPP members, industry engineers
Agenda Item:
5.7.4
Document Number:
R4-231xxxx
Period Covered:
Oct 9–13, 2023
Status:
Discussion ongoing, initial evaluation for performance requirements
Year:
2025
Region / City:
Dallas, USA
Subject:
UE demodulation and NR-CA scenarios
Document Type:
Meeting report
Organization:
3GPP TSG-RAN WG4
Authors:
Ericsson, Qualcomm, Huawei, Nokia
Target Audience:
3GPP members and contributing companies
Period:
November 17 – November 21, 2025
Agenda Items:
6.2.1
Topics:
Simulation assumptions, antenna connection rules, CR work split, PDSCH demodulation requirements
Simulation Results:
Included for UE demodulation requirements
Clause References:
5.1.1.x, 5.2A.3.x, A.3.2.2.2
Source:
Ericsson
Year:
2023
Region / City:
Not specified
Topic:
Frequency Shift Keying (FSK), Phase Locked Loop (PLL), Modulation, Demodulation
Document Type:
Application Report
Organization / Institution:
Not specified
Author:
Mahendra Patel
Target Audience:
Engineers, researchers, and technicians in telecommunications and signal processing
Period of validity:
Not specified
Approval Date:
Not specified
Date of changes:
Not specified
Year:
2026
Location:
Gothenburg, Sweden
Document type:
Change Request
Work item code:
NR_LPWUS-Perf
Source to WG:
Qualcomm
Source to TSG:
R4
Release:
Rel-19
Category:
B (addition of feature)
Affected clauses:
3.1, 5.1.1.3, 7.1.1.3, 5.X (new clause), 7.7 (new clause), A3.X (new clause)
Test specifications affected:
TS38.521-4
Other core specifications affected:
Yes
Purpose:
Define demodulation performance requirements for NR LP-WUS
Revision history included:
Yes
Year:
2023
City:
Toulouse
Country:
France
Meeting:
3GPP TSG-RAN WG4 Meeting #108
Agenda item:
8.18.1
Topic:
NR_demod_enh3_Part1 – Advanced Receiver for MU-MIMO
Technical field:
5G NR radio access network standardization
Document type:
Technical meeting contribution summary
Organization:
3GPP TSG-RAN WG4
Moderator / Source:
China Telecom
Contributing companies:
China Telecom; Apple; ZTE Corporation; Nokia; Nokia Shanghai Bell
Work item:
Rel-18 NR demodulation requirement evolution
Content focus:
Reference receiver selection, R-ML receiver assumptions, blind detection complexity, RRC signaling proposals, UE capability signaling, MU-MIMO demodulation performance evaluation
Target audience:
RAN4 participants and technical contributors involved in 5G NR standardization
Date of meeting:
August 21–25, 2023
Purpose:
Information
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Document type:
Change Request
Organization:
3GPP TSG-RAN4
Author:
Nokia
Work item code:
NonCol_intraB_ENDC_NR_CA_Ph2-Perf
Release:
Rel-19
Category:
B
Date submitted:
2026-02-12
Clauses affected:
5.1.1.3, 5.1.1.7.3, 5.2A.3.6, A.3.2.2.2
Source to WG:
Nokia
Source to TSG:
R4
Summary:
Introduces PDSCH demodulation requirements for UE Type 4 in intra-band non-collocated EN-DC/NR-CA Phase 2 and specifies minimum and reference measurement conditions for non-colocated scenarios.
Year:
2021
Region / City:
Global
Topic:
Telecommunications, 5G Standards
Document Type:
Change Request
Organization / Institution:
3GPP
Author:
CATT
Target Audience:
Technical experts in telecommunications
Period of Validity:
Undefined
Approval Date:
2021-01-05
Change Date:
2021-01-05