№ files_lp_4_process_3_124863
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Summary of proposals, observations, and test configurations for maintenance of Ambient IoT in NR, including RF requirements for devices and base stations, with detailed tables for D2R measurement and filter specifications, recorded as a 3GPP TSG-RAN4 meeting report.
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
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Year:
2026
Region / city:
Goteborg, Sweden
Topic:
Telecommunication standards, IoT
Document type:
Change Request
Organization:
3GPP
Author:
Xiaomi, Huawei, CATT, Samsung, CMCC, ZTE
Target audience:
Industry professionals, 3GPP working groups
Validity period:
February 2026
Approval date:
2026-02-11
Modification date:
Not specified
Release:
Rel-19
Work item code:
Ambient_IoT_Solutions-Core
Impact assessment:
Isolated impact with the previous version of the specification
Clauses affected:
8.20.3.3, 9.3.1.2, 9.4.5
Year:
2026
Location:
Gothenburg, Sweden
Subject:
Ambient IoT security parameter update
Document type:
Change Request
Organization:
3GPP TSG-RAN WG3
Authors:
Huawei, China Telecom, China Unicom, CATT, CMCC, Nokia, Samsung, ZTE, LG Electronics, NEC
Work item code:
Ambient_IoT_Solutions-Core
Release:
Rel-19
Category:
F (correction)
Date of submission:
2026-02-11
Clauses affected:
2, 8.20.1.2, 9.3.6.1, 9.4.5, 9.4.7
Impact:
Adds missing security parameter without affecting previous version functionality
Consequences if not approved:
NG-RAN cannot receive security parameter from CN for AIoT
Year:
2026
Region / City:
Gothenburg, Sweden
Theme:
A-IoT, coexistence evaluation
Document type:
Meeting contribution
Organization / Institution:
3GPP TSG-RAN WG4
Author:
Moderator (LGE)
Target audience:
3GPP members, stakeholders in A-IoT development
Period of validity:
February 09-13, 2026
Date of approval:
February 09, 2026
Date of modification:
Not specified
Year:
2026
Region / City:
Gothenburg, SE
Topic:
A-IoT, NR, Maintenance
Document Type:
Meeting Contribution
Organization / Institution:
3GPP
Author:
Moderator (CMCC)
Target Audience:
Technical experts, engineers, contributors
Period of validity:
Feb. 9th ~ 13th, 2026
Date of Approval:
N/A
Date of Amendments:
N/A
Note:
Context description
Year:
2026
Location:
Gothenburg, Sweden
Subject:
Telecommunications / 3GPP Standardization
Document Type:
Change Request
Organization:
3GPP TSG-RAN WG3
Authors:
Huawei, China Telecom, China Unicom, CATT, CMCC, Nokia, Samsung, ZTE, LG Electronics
Work Item Code:
Ambient_IoT_Solutions-Core
Release:
Rel-19
Category:
F (correction)
Date Submitted:
2026-01-30
Meeting:
TSG-RAN WG3 #131
Clauses Affected:
2, 8.20.1.2, 9.3.3.xx (new), 9.3.6.1, 9.4.5, 9.4.7
Impact:
Isolated change to add missing security parameter in Inventory Request procedure
Year:
2026
Region / City:
Gothenburg, Sweden
Topic:
A-IoT Security Information
Document Type:
Change Request
Organization / Institution:
Huawei, China Telecom, China Unicom, CATT, CMCC, Nokia, Samsung, ZTE, LG Electronics, NEC
Author:
R3
Target Audience:
Technical working groups
Period of Validity:
Rel-19
Approval Date:
2026-02-13
Change Date:
2026-02-13
Release Version:
Rel-19
Category:
F
Impact:
Isolated impact with the previous version of the specification
Reason for Change:
Need to introduce A-IoT security information in Inventory
Clauses Affected:
2, 9.3.3.xx (new), 9.3.6.1, 9.4.5, 9.4.7
Test Specifications Affected:
Yes
Other Core Specifications Affected:
Yes
Other Comments:
Revision history updated
Context:
A technical specification document detailing changes for security information inclusion in the A-IoT inventory request transfer protocol
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
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
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 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:
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