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Summary of contributions and proposals for resilient NR-NTN operation under conditions of GNSS unavailability, including initial access, RRM requirements, mobility procedures, and measurement considerations.
Year:
2026
Location:
Göteborg, Sweden
Organization:
3GPP TSG-RAN WG4
Document type:
Meeting report / Technical summary
Source:
Moderator (THALES)
Agenda item:
7.14.1–7.14.2
Authors/Contributors:
Nokia, Samsung, ZTECorporation, Sanechips, vivo, Huawei, HiSilicon, Ericsson, CMCC, CATT, LG Electronics Inc., Xiaomi, Apple, THALES, EUTELSAT
Scope:
GNSS resilient NR-NTN operation
Related documents:
13 contributions considered (12 available, 1 withdrawn)
Discussion points:
Initial access, connected mode tracking, mobility & handover, capability signaling, RRM measurement requirements, UE pre-compensation, location-based triggers
Purpose:
Information and discussion on proposals for NR-NTN GNSS resilience study
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Year:
2026
Location:
Göteborg, Sweden
Organization:
3GPP TSG-RAN WG4
Document type:
Meeting summary / Technical report
Topic:
AI/ML-based CSI compression, dataset and model development, inter-vendor interoperability
Contributors:
Ericsson, Xiaomi, Apple, CMCC, Oppo, Huawei, Nokia, LG Electronics, NTU
Agenda item:
7.9.1
Target audience:
RAN4 members, technical experts in 3GPP standards
Date of meeting:
9–13 February 2026
Document purpose:
Information and discussion of proposals and observations on AI/ML-based CSI compression
Related releases:
Rel-19, Rel-20
Standards referenced:
38.101-1, 38.214
Technical focus:
Test decoders, reference encoders, dataset alignment, model generalization, LCM requirements
Year:
2026
City:
Göteborg
Country:
Sweden
Dates:
9–13 February 2026
Topic:
NR to LTE mobility restriction in 5G and EPS networks
Document Type:
Liaison statement reply
Organization:
3GPP TSG-RAN WG3 (RAN3)
Source Group:
RAN3
Recipient Organizations:
SA2, CT4
Related References:
S2-2511202; R3-260015
Release:
Rel-20
Work Item:
TEI20_NRLTEREST
Contact Person:
Mio Nakamura
Contact Email:
[email protected]
Attachments:
R3-260643; R3-260644
Action Requested:
SA2 and CT4 to take the information into account
Subject Area:
NGAP and XnAP signaling support for NR 5GS to LTE EPS mobility restriction
Year:
2026
Location:
Göteborg, Sweden
Topic:
6G Data Collection
Document Type:
Meeting Document
Organization:
3GPP TSG-RAN WG3
Authors:
Ericsson, Jio Platforms
Agenda Item:
10.2
Purpose:
Agreement
Year:
2026
Location:
Göteborg, Sweden
Subject:
NR NTN and NGSO test requirements and methodologies
Document type:
Meeting report / Technical summary
Organization:
3GPP TSG-RAN WG4
Moderator:
Ericsson
Contributors:
Ericsson, Samsung, Huawei, HiSilicon, Anritsu Corporation
Agenda items:
6.6.2.3, 6.6.3.1, 6.6.3.3
Target audience:
RAN working group members
Period:
9–13 February 2026
Related specifications:
TS 38.108, TS 38.181, TS 38.101-5, TS 36.102, TS 38.331
Topics addressed:
SAN demodulation performance for UE supporting <5MHz NTN, NGSO channel and propagation models, initial ephemeris configuration, epochTime setup, CR proposals and recommendations
Year:
2026
Location:
Göteborg, Sweden
Topic:
NGSO satellite ephemeris and orbital parameter support
Document Type:
Technical meeting report
Organization:
3GPP TSG-RAN WG4
Author:
Ericsson
Audience:
3GPP members and participating engineers
Agenda Item:
6.22
Sub-topic:
2-1 Support of orbital parameters
Issues Covered:
2-1-1 Initial ephemeris information, 2-1-2 Configuration of epochTime, 2-1-3 Procedure to support orbital parameters
Parameters Specified:
positionX-r17, positionY-r17, positionZ-r17, velocityVX-r17, velocityVY-r17, velocityVZ-r17, semiMajorAxis-r17, eccentricity-r17, periapsis-r17, longitude-r17, inclination-r17, meanAnomaly-r17
Assumptions:
Satellite-UE elevation angle 30.11 degrees, one-way delay 3.60 ms, Doppler 19.83 ppm, ECI axes aligned with ECEF axes
Methodologies:
Runge-Kutta Newton’s method for state vector and orbital parameter computation
Contextual Description:
Technical report detailing the initial ephemeris values, configuration procedures, and methods for supporting NGSO satellite orbital parameters for Rel-19 Demodulation in a 3GPP WG4 meeting.
Year:
2022
Event:
3GPP TSG-RAN WG2 Meeting #118
Location:
Online
Topic:
Coarse UE location information format and reporting mechanism
Document type:
Meeting report / technical discussion
Organization:
3GPP
Author:
Thales
Agenda item:
6.10.1.1
Deadline for feedback:
2022-05-19 08:00 UTC
Deadline for rapporteur summary:
2022-05-19 10:00 UTC
Proposals for agreement by session chair:
2022-05-19 20:00 UTC
Year:
2026
Region / City:
Nuuk, Denmark (Hybrid)
Topic:
Earth Exploration-Satellite Service (EESS) and Radio Astronomy Service (RAS) protection
Document Type:
Draft Brief
Organization:
CEPT
Author:
Not specified
Target Audience:
Not specified
Period of validity:
Not specified
Approval Date:
15th January 2026
Date of Changes:
Not specified
Year:
2016
Region / City:
N/A
Topic:
Networking, IPv6 Configuration
Document Type:
Technical Specification
Author:
LXI Consortium
Target Audience:
Engineers, Networking Professionals
Period of Validity:
N/A
Approval Date:
November 2016
Date of Changes:
N/A
Year:
2016
Region / City:
New York State
Topic:
Educational services for incarcerated youth
Document Type:
Guidelines
Agency / Institution:
New York State Department of Education
Author:
New York State Department of Education
Target Audience:
Educational service providers for incarcerated youth
Period of Effect:
2016 and beyond
Approval Date:
January 2016
Date of Changes:
N/A
Note:
Context
Year:
2020
Region / City:
Fort Lee, VA
Theme:
Reliability, Water Storage and Distribution
Document Type:
Technical Report
Organ / Institution:
U.S. Army Futures Command
Author:
Harishkumar Doshi
Target Audience:
Military Engineers, System Developers, Evaluators
Period of Validity:
Ongoing
Approval Date:
1 October 2020
Date of Changes:
None
Year:
2020
Region / city:
Geneva
Topic:
Vehicle regulations, fire safety
Document type:
Proposal
Organ / institution:
United Nations Economic Commission for Europe
Author:
Informal Working Group on Behaviour of M2 and M3 vehicles in case of Fire Event
Target audience:
Contracting Parties, vehicle manufacturers
Period of validity:
Ongoing
Approval date:
17 July 2020
Amendment date:
6-9 October 2020
Year:
2025
Region / City:
Massachusetts
Theme:
Medicaid, Personal Needs Allowance
Document Type:
Bulletin
Agency / Institution:
Executive Office of Health and Human Services, MassHealth
Author:
Mike Levine, Undersecretary for MassHealth
Target Audience:
Nursing Facilities, Chronic Disease Rehabilitation Inpatient Hospitals
Effective Period:
October 2025 - December 2025
Approval Date:
October 2025
Date of Last Revision:
October 2025
Year:
2024-25
Region / City:
Cornell College
Topic:
Physics
Document Type:
Course syllabus
Institution:
Cornell College
Instructor:
Dr. Danielle Grimes
Target Audience:
Students pursuing engineering or physics majors
Period of Effect:
Fall semester 2024
Approval Date:
N/A
Date of Changes:
N/A
Course Materials:
Open Source textbook College Physics (2e), laptop, scientific calculator
Prerequisites:
Two years of high school algebra, including trigonometry
Office Hours:
Wednesdays between 11 am and 12 pm
Assessment:
Midterm exams, final exam, homework, participation, term project, lab reports
Class Schedule:
9 am – 11 am, 1 pm – 3 pm (except Wednesdays)
Attendance:
Required, with point system for participation
Academic Honesty:
Required, with consequences for violations
Accommodations:
Available for students with disabilities
Context:
A course syllabus outlining the structure, requirements, and expectations for a college-level introductory physics class.
3GPP TSG-RAN WG4 Meeting #118 Topic Summary for NR NTN Linear Polarization Orientation RRC Signaling
Year:
2026
Region / City:
Gothenburg, Sweden
Subject:
NR NTN Linear Polarization Signaling
Document Type:
Meeting Summary
Organization / Institution:
3GPP
Author:
Moderator (CATT)
Target Audience:
3GPP Working Group Members, NR NTN Engineers, Satellite Communication Experts
Action Period:
February 9th - 13th, 2026
Approval Date:
TBD
Modification Date:
TBD
Organization:
3GPP TSG-RAN WG4
Meeting Number:
118
Document Number:
R4-25xxxxx
Location:
Gothenburg, Sweden
Meeting Dates:
February 09–13, 2026
Agenda Item:
8.1
Source:
Moderator (ZTE)
Document For:
Information
Subject:
6G sensing study including RF, coexistence, testability, architecture, use cases, sensing modes, and regulatory aspects
Related References:
RP-252912; TR38.914; R4-2521752
Contributing Companies:
ZTE, CATT, Ericsson, CMCC, Nokia, Huawei, Vivo, Xiaomi, Samsung, Apple
Scope:
RAN4 aspects of sensing in coordination with RAN1 and RAN2
Study Focus:
Detection and tracking of passive objects including UAVs, humans, vehicles, and AGVs
Technical Areas:
Sensing signals, system performance, coexistence, channel modelling, architecture, regulatory survey
Status:
Working group discussion summary and recommended workflow
Year:
2026
Location:
Gothenburg, Sweden
Organization:
3GPP TSG-RAN Working Group 4
Document type:
Meeting report / Technical summary
Topics:
HPUE for CA, NR CA, EN-DC, MPR reduction, NR_LBCA_Sw, TEI19, Miscellaneous CRs
Source:
Moderator (Huawei)
Agenda items:
4.1.1, 4.3, 4.4.1, 4.5, 4.6 (except 4.6.2), 4.7.1, 4.8.1
Contributors:
Samsung, Apple, Qualcomm France, LG Electronics, MediaTek, CATT, ZTE, OPPO, THALES, SES, Skyworks Solutions, TELUS, Bell Mobility, Murata
Document purpose:
Information and discussion of technical documents (t-docs) and proposals for Rel-19 and Rel-20 specifications
Date of meeting:
Feb 09-13, 2026
Submission deadline for delegate feedback:
Feb 10, 2026, 18:00 local time
Key actions:
Removal of HPUE superscripts, updates to band combination tables, introduction of HPUE MSD LUTs, collection of company views, preparation of official change requests (CRs)
Year:
2026
Location:
Gothenburg, EU
Topic:
NR Base Station RF Phase 2 Requirements
Document type:
Meeting summary / Technical report
Organization:
3GPP TSG-RAN WG4
Source:
Moderator (Ericsson)
Intended audience:
RAN4 participants, 3GPP members
Agenda item:
7.2.1 NR_BS_RF_req_evo_Ph2-Core
Companies contributing:
CATT, Ericsson, Nokia, ZTE Corporation, Sanechips
Key focus:
Co-location requirements enhancement, transmitter and receiver performance, simulation and measurement observations
Date of meeting:
9–13 February 2026
Year:
2022
Event:
3GPP TSG-RAN WG2 Meeting #118
Location:
Online
Document type:
Stage-2 Change Request Summary
Organization:
China Telecom
Authors:
Jiaxiang Liu
Intended audience:
3GPP participants, telecom engineers
Deadline for feedback:
2022-05-19 12:00 UTC
Deadline for final CR submission:
2022-05-20 08:00 UTC
Scope:
Update Stage-2 CR considering submitted contributions
Status:
Ongoing
Topics:
PRACH resource clarification, BWP with only CE RACH resources, MSG3 repetition support
References:
R2-2204726, R2-2205842, R2-2204462
Year:
2022
Organization:
3GPP TSG-RAN WG2
Location:
Online
Topic:
Stage-2 Change Requests for TS 38.300
Document Type:
Meeting Summary / Technical Report
Source:
China Telecom
Contributors:
China Telecom, Qualcomm, LG Electronics, Nokia, Huawei HiSilicon, CATT, OPPO, ZTE, Samsung
Agenda Item:
6.19.2
Purpose:
Discussion and decision on Stage-2 CR updates
Deadline for feedback:
2022-05-19 12:00 UTC
Deadline for final CR:
2022-05-20 08:00 UTC
Status:
Ongoing
Reference Documents:
R2-2204726, R2-2205842, R2-2204462
Year:
2026
Location:
Göteborg, Sweden
Organization:
3GPP TSG-RAN WG4
Document type:
Meeting summary / Technical report
Topic:
AI/ML-based CSI compression, dataset and model development, inter-vendor interoperability
Contributors:
Ericsson, Xiaomi, Apple, CMCC, Oppo, Huawei, Nokia, LG Electronics, NTU
Agenda item:
7.9.1
Target audience:
RAN4 members, technical experts in 3GPP standards
Date of meeting:
9–13 February 2026
Document purpose:
Information and discussion of proposals and observations on AI/ML-based CSI compression
Related releases:
Rel-19, Rel-20
Standards referenced:
38.101-1, 38.214
Technical focus:
Test decoders, reference encoders, dataset alignment, model generalization, LCM requirements