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Technical meeting minutes summarizing change requests, discussion points, and moderator recommendations regarding Ku-band system parameters and RF requirements for user equipment and satellite access nodes in 5G NR non-terrestrial networks within the 3GPP RAN4 working group.
Year:
2025
City:
Dallas
Country:
United States
Event:
3GPP TSG-RAN4 Meeting #117
Agenda item:
4.1.3
Document type:
Meeting minutes / topic summary
Organization:
3rd Generation Partnership Project (3GPP) TSG-RAN4
Source:
Moderator (Eutelsat Group)
Author / moderator:
Eutelsat Group
Technical domain:
5G NR NTN Ku-band maintenance
Topics covered:
System parameters, UE RF requirements, SAN RF requirements
Technical references:
3GPP TS 38.101-5, 3GPP TS 38.108
Frequency band:
Ku band
Agenda sections:
4.2.7.1, 4.2.7.2, 4.2.7.3
Content type:
Summary of proposals, change requests (CRs), and moderator recommendations
Participants referenced:
Ericsson, LG Electronics, MediaTek, ZTE Corporation, Huawei, Qualcomm, Thales, CATT, Keysight, SGS Wireless
Discussion status:
Combination of approved items, discussion items, and not discussed items
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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:
2020
Region / city:
N/A
Topic:
Dual DRX for FR1+FR2 CA
Document type:
Meeting notes
Organization:
3GPP
Author:
Moderator (Apple)
Target audience:
RAN4 participants
Period of validity:
N/A
Date of approval:
N/A
Date of amendments:
N/A
Year:
2026
City:
Gothenburg
Country:
Sweden
Dates of meeting:
9 February 2026 – 12 February 2026
Event:
3GPP TSG-RAN4 Meeting #118
Agenda item:
7.3.1
Topic:
NR UE OTA enhancements and NTN testing methodologies
Document type:
Meeting working forum notes and agreements
Organization:
3rd Generation Partnership Project
Working group:
3GPP TSG RAN WG4
Source organization:
Eutelsat Group
Related technical report:
3GPP TR 38.763
Technology domain:
5G NR and non-terrestrial networks (NTN)
Test focus:
OTA measurements for VSAT user equipment
Frequency bands discussed:
Ka band and Ku band
Key measurement parameters:
TRP, TRPL, EIRP, MU, REFSENS
Testing environment:
Quiet Zone (QZ) and Compact Antenna Test Range (CATR)
Polarization modes:
LHCP, RHCP, LP X, LP Y
Satellite orbit types considered:
GSO and NGSO
Document purpose:
Approval and discussion of testing methodologies and work plan
Year:
2025
Location:
Malta, MT
Subject:
High Power User Equipment (HPUE) specifications for NR bands n5 and n26
Document type:
Meeting summary / Technical report
Organization:
3GPP TSG-RAN4
Author:
Moderator (CMCC)
Target audience:
3GPP members, telecom engineers
Meeting number:
115
Agenda item:
6.1
Related documents:
R4-2505359, R4-2506191, R4-2506192, R4-2506193, R4-2507003, R4-2507719, R4-2507748, R4-2507766
Scope:
Rel-19 NR FR1 TDD/FDD single band, PC2 UE requirements, network signaling for Public Safety
Year:
2025
Location:
Bengaluru, India
Event:
3GPP TSG-RAN4 Meeting #116
Agenda items:
6.1, 6.5
Document type:
Technical summary / Meeting report
Source:
Moderator (CMCC)
Participants:
CMCC, Nokia, Union Inter. Chemins de Fer, Qualcomm Technologies, China Unicom, Apple, Huawei, HiSilicon, Samsung, Ericsson, Skyworks Solutions Inc.
Topics:
HPUE in NR FR1 TDD/FDD bands, PC1.5 and PC2 introduction, Tx RF specifications, ACLR and A-MPR requirements
Proposals and observations:
Contributions and recommendations by participating companies
Period of applicability:
Release 19
Standards referenced:
TS 38.101-1, ECC decision (20)02
Year:
2026
Location:
Gothenburg, Sweden
Topic:
NR UE Over-the-Air Testing Enhancements
Document type:
Meeting report
Organization:
3GPP TSG-RAN4
Author:
Eutelsat Group
Agenda items:
7.3.1, 7.3.2, 7.3.3
Sub-topics:
TR Skeleton, TRP measurement methods, Black box vs White box, CP vs LP signals, Polarization combinations, Special conformance tests, DUT size, Polarization detection, Measurement grid annex, QZ size and positioning, QoQZ reference test points, QZ validation and calibration, MU for CP, TP for TR 38.763, Refsens measurement procedure
Approval status:
For approval
Target audience:
VSAT vendors, testing labs, 3GPP members
Source type:
Technical specification discussion and agreement report
Year:
2026
Location:
Gothenburg, Sweden
Organization:
3GPP TSG-RAN4
Author:
Eutelsat Group
Document type:
Technical report draft
Agenda items:
7.3.1–7.3.20
Topics:
NR UE over-the-air testing, NTN Ka and Ku bands, TRP measurement, VSAT polarization, QZ calibration and validation
Meeting number:
118
Period of discussion:
9th–12th February 2026
Target audience:
Engineers and researchers in mobile and satellite communications
Year:
2025
Location:
Gothenburg, Sweden
Topic:
Ku Band maintenance for NR NTN
Document type:
Meeting report / Technical contributions summary
Organization:
3GPP TSG-RAN4
Authors:
MediaTek Inc., ZTE Corporation, Huawei, CATT
Target audience:
Industry stakeholders, technical engineers, standardization participants
Meeting period:
9 Nov 2025 – 13 Feb 2026
Agenda items:
System parameters, UE RF requirements, SAN RF requirements, RRM requirements
Document source:
Moderator (Eutelsat Group)
Open issues:
Addition of VSAT A-MPR, removal of redundant channel bandwidths, scheduling restrictions for NR SAN satellite switching
Referenced contributions:
R4-2600777, R4-2601748, R4-2601061, R4-2601750, R4-2600208, R4-2601062, R4-2600657, R4-2601359, R4-2601374, R4-2601537, R4-2601538
Context:
Technical meeting report detailing contributions, proposals, observations, and unresolved issues on Ku Band NR NTN maintenance, including system parameters, UE RF, SAN RF, and RRM requirements.
Year:
2026
Location:
Gothenburg, Sweden
Organization:
3GPP TSG-RAN4
Document type:
Meeting report / Technical summary
Topic:
Ambient IoT (A-IoT) Maintenance and RF Requirements
Contributors:
vivo, Ericsson, Huawei, HiSilicon, CATT, ZTE Corporation, Sanechips
Agenda item:
4.1.3, 4.20.1
Target audience:
Telecommunications engineers, 3GPP members
Related standards:
TS 38.191, TS 38.192, TS 38.194, TS 38.104, TS 38.195
Document ID:
R4-2602100
Meeting number:
118
Date:
February 9–13, 2026
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Meeting:
3GPP TSG-RAN4 Meeting #118
Organization:
3rd Generation Partnership Project (3GPP)
Working Group:
TSG-RAN4
Specification:
3GPP TS 38.101-4
Current Specification Version:
19.1.0
Release:
Rel-19
Category:
B (addition of feature)
Work Item Code:
NR_MIMO_Ph5-Perf
Source Company:
Apple
Source to TSG:
R4
Date:
2026-01-29
Affected Clause:
6.3.3.1
Related Test Specification:
TS 38.521-4
Technical Topic:
NR MIMO performance and PMI reporting
Technology Domain:
5G NR radio access
Duplex Mode:
FDD
Antenna Configuration:
64Tx / 4Rx
Purpose of Change:
Introduction of PMI reporting requirements with 64 CSI-RS ports using eType II codebook
Summary of Change:
Addition of requirements for 64-TX eType II configuration for FDD with 4RX
Basis Document:
Endorsed draft Big CR R4-2521039
Year:
2020
Meeting type:
Electronic
Organization:
3GPP TSG-RAN4
Document type:
Meeting summary / Technical discussion
Agenda item:
7.13
Source:
Moderator (Apple)
Participants:
Apple, MediaTek, NTT DOCOMO, Intel, Qualcomm
Period:
2–13 November 2020
Topics:
Inter-band CA requirement for FR2 UE measurement capability, multiple SCell activation/deactivation, inter-frequency measurements, UE-specific BW change
Rounds of discussion:
2
Stages:
Email discussion, draft proposals, moderator summary, final decisions
Target audience:
3GPP RAN4 members and contributors
Test cases referenced:
Multiple SCell activation/deactivation, inter-frequency measurement requirement without MG, UE-specific CBW change
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