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Technical meeting contribution summarizing agreements, proposals, and open issues discussed in 3GPP RAN4 regarding scenarios, numerology, waveform, channel bandwidth, and coexistence aspects for multi-radio spectrum sharing between NR and 6G radio systems.
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
Price: 8 / 10 USD
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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:
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
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:
2024
Instructor:
Makeba Jones, Ph.D.
Email:
[email protected]
Office:
Sixth College, Social Sciences Public Engagement Bldg, 7th floor, rm 0706
Lecture Schedule:
Tue/Thur 11:00-12:20, Warren Lecture Hall, room 2005
Office Hours:
Wednesday, 2:00-3:00 or by appointment
Teaching Assistants:
Valerie Gomez, Annika Li, Marco Chacon
Reader:
Mari Amato
Course Type:
Hybrid
Course Description:
The purpose of this course is to enable you to think critically about education as a “social” institution, with a focus on cultural and social dimensions of teaching and learning, and the role of language.
Learning Outcomes:
Understand cultural and social factors in education, critique educational research on language and culture.
Principles of Community:
Open-mindedness, professional language, respect in discussions.
Course Format:
Primarily in-person lectures, some virtual meetings via Zoom.
Course Expectations:
Active participation, timely completion of assignments, engagement with real-world applications.
Campus Student Support Services:
Available for students struggling with academic work or personal challenges.
Accommodations:
Contact the professor if you need accommodations due to disability.
Academic Integrity:
Students are expected to complete assignments individually; plagiarism checks will be done.
Note:
Contextual Description
Note:
Year
Document Type:
Form
Subject:
Mental Health Aftercare
Governing Law:
Mental Health Act 1983, Section 117
Authoring Organization:
NHS / Mental Health Trust
Intended Audience:
Healthcare professionals and social care practitioners
Attendees:
Service User, Carer/Relative, Advocate, Responsible Clinician, CCG Representative, Social Care Practitioner, Care Coordinator, Ward Nurse
Year:
2025
Location:
Dallas, Texas, USA
Organization:
3GPP TSG-RAN4
Document type:
Working Document
Source:
vivo
Title:
WF on TRP_TRS_MIMO_OTA_Ph3
Topics:
Rel-19 OTA test methodologies, Rel-19 OTA requirements
Date of meeting:
November 17–21, 2025
Target audience:
3GPP members, network equipment manufacturers, device manufacturers
Agreements:
Adopt CTIA outcome on NB-IoT NTN TRP TRS test time reduction, handle Rel-19 measurement data pool, tentative requirements for TRP/TRS performance metrics
Proposals:
Ephemeris consistency check, HARQ feedback disabling, NR NTN OTA testing adjustments
Moderators:
MCC
Deadline for new device results:
December 31, 2025
Year:
2021
Region / City:
Virtual / Online Meeting
Topic:
Satellite-to-Satellite Communications
Document Type:
Working Party Report
Organization:
Asia-Pacific Telecommunity
Author:
APT Members
Target Audience:
ITU-R Members, Satellite Service Providers, Policy Makers
Period of Validity:
Until WRC-23
Approval Date:
23 April 2021
Date of Amendments:
None
Note:
Contextual Description
Year:
2019
Region / city:
N/A
Topic:
HACCP audit, milk pasteurisation, food safety
Document type:
Case study
Organization:
N/A
Author:
N/A
Target audience:
Auditors, food safety professionals
Period of validity:
N/A
Approval date:
N/A
Date of amendments:
N/A
Note:
Context description
Year:
2022
Region / City:
Massachusetts
Theme:
Medicaid, Personal Needs Allowance
Document Type:
Bulletin
Organization / Institution:
Executive Office of Health and Human Services, Office of Medicaid
Author:
Amanda Cassel Kraft, Assistant Secretary for MassHealth
Target Audience:
Nursing Facilities, Chronic Disease and Rehabilitation Inpatient Hospitals, MassHealth Providers
Period of Action:
Annual
Approval Date:
May 2022
Date of Last Update:
N/A
Meeting:
3GPP TSG-RAN WG4 Meeting #117
Working Group:
TSG-RAN WG4
Document Number:
R4-2522206
Agenda Item:
10.1.3
Source:
Moderator (Ericsson)
Title:
Topic summary for [117][333] BSRF_Maintenance_Legacy
Location:
Dallas, TX, USA
Dates:
November 17–21, 2025
Document For:
Information
Scope:
Up to Rel-18 maintenance for LTE and NR and TEI; BS RF requirements and BS conformance testing (other than NTN); Rel-16/17 TEI and others (EMC, OTA, TRP/TRS)
Related Specifications:
TS 38.104; TS 37.104; TS 37.141; TS 37.145-1; TS 37.145-2; TS 36.104; TS 36.141; TS 38.115-1; TS 38.115-2; TS 38.176-2; TS 37.113; TS 38.101-4; TS 25.105; TS 25.142
Contributing Companies:
CATT; Ericsson; Keysight Technologies UK Ltd; Huawei; HiSilicon; Nokia
Topics Covered:
NB-IoT reference sensitivity requirements; removal of UTRA TDD from MSR BS specifications; RDN definition for OTA AAS BS; corrections to delay profiles and throughput descriptions; operating band unwanted emissions; repeater and IAB clarifications; removal of LTE Band 47
Change Requests:
Multiple CRs submitted and revised for 3GPP specifications across NR, LTE, TEI, and MSR BS domains
Year:
2024
Region / city:
Geneva
Topic:
Tyre regulation, wet grip performance
Document type:
Proposal
Organization / institution:
United Nations Economic Commission for Europe, Inland Transport Committee
Author:
Informal Working Group on Wet Grip Performance for Tyres in a Worn State
Target audience:
Contracting parties applying UN Regulation No. 117
Period of validity:
Until 6 July 2026
Approval date:
17 June 2024
Amendment date:
17 June 2024
Working Party:
ITU-R WP 4A
Document No:
USWP4A-36
Reference:
Agenda Item 1.17; Resolution 773 (WRC-19); Annex 20 to Working Party 4A Chairman’s Report Document WP4A/691
Date:
18 July 2022
Country:
United States of America
Language:
English only
Author:
Brennan Price
Organization:
Inmarsat
Email:
[email protected]
Source:
Document 4A/691 Annex 20
Subject:
Agenda Item 1.17; Resolution 773 (WRC-19)
Purpose/Objective:
To contribute to sharing study material concerning hard limits for interference protection purposes
Abstract:
Material to progress the study of hard limits on satellite-to-satellite links as a potential means of protection of higher-altitude NGSO systems
Frequency bands:
27.5-29.1 GHz; 29.5-30 GHz; 30/20 GHz band
Regulatory context:
Draft Resolution [A117] (WRC-23); Draft CPM Text
Technical parameters:
Proposed maximum on-axis EIRP spectral density limits of -15.0 dB(W/Hz), -17.5 dB(W/Hz), and -20 dB(W/Hz)
Communication links addressed:
NGSO-to-GSO; NGSO-to-NGSO; NGSO-to-HEO
Annexes:
Example static link budgets and comparison tables