№ lp_2_3_30283
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Technical status report presented to TSG RAN summarizing progress, agreements, working assumptions, and open issues in RAN1 on the core and performance aspects of the NR Sub-band Full Duplex work item.
Organization:
3GPP
TSG:
TSG RAN
Meeting:
#105
Document Number:
RP-24xxxx
Agenda Item:
9.3.1.2
Work Item Name:
Evolution of NR duplex operation: Sub-band full duplex (SBFD)
Acronym:
NR_duplex_evo
Unique ID:
1020090
Related Tdoc:
RP-241614
Source Working Group:
RAN1
Rapporteurs:
Xinghua Song; He (Jackson) Wang
Companies:
Huawei; Samsung
Location:
Melbourne, Australia
Meeting Dates:
9–12 September 2024
Study Item:
No
Core Part:
Yes
Performance Part:
Yes
Testing Part:
No
Target Completion Date (Core):
09/2025
Target Completion Date (Performance):
03/2026
Overall Completion Level (Core):
28%
Overall Completion Level (Performance):
0%
Time Budget Modification Requested:
No
Technical Scope:
NR duplex operation and Sub-band Full Duplex (SBFD)
Content Focus:
SBFD TX/RX and measurement procedures, configuration parameters, RRC enhancements, collision handling, PUSCH and PUCCH configurations, SPS PDSCH considerations
Document Type:
Status report
Price: 8 / 10 USD
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Institution:
Fuquay-Varina High School Student Services
Main Number:
(919) 557-2511
Website:
fvhsstudentservices.weebly.com
Twitter:
@FVHSCounselors
Organization:
Wake County Public School System
Region / State:
North Carolina
Document Type:
School student services contact directory and college preparation checklist
Audience:
High school students in grades 9–12
Departments Listed:
Reception, Registrar, Dean, School Counselors, SAP Counselor
Counselor Assignment Basis:
Alphabetical by student last name
Communication Platform:
REMIND (text code to 81010)
College Planning Resources Mentioned:
CFNC.org, FAFSA (fafsa.ed.gov), NCResidency.org, NCAA Clearinghouse
Subject:
Counselor contact information and step-by-step college readiness guidance by grade level
Coverage Period:
Four-year high school progression (9th–12th grade)
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:
2024
Location:
Madrid, Spain
Subject:
3GPP NR END-C SON/MDT Phase 4 Core Status
Document Type:
Status Report
Organization:
3GPP TSG RAN
Authors:
Xufei Dong (China Unicom), Miaoqi Zhang (CMCC)
Agenda Item:
9.3.3.1
Work Item / Study Item:
NR_ENDC_SON_MDT_Ph4-Core
Unique ID:
1021092
Core Part Completion:
50%
Performance Part Completion:
N/A
Testing Part Completion:
N/A
Target Completion Date:
Core part – 09/2025
RAN Working Groups Involved:
RAN2, RAN3
Key Topics:
LTM, CHO, SON MDT, RA-SDT, SCG failure reporting, Rel-18 mobility enhancements
Year:
2026
Region/City:
United States
Subject Area:
Science, Social Studies, Language Arts, Mathematics
Grade Level:
9–12
Document Type:
Educational Curriculum Guide
Standards Covered:
BIO.912.6, BIO.912.7a–c, AMH.912.26, CWI.912.1a, CWL.912.1b–c, W.912.4–6, W.912.9a–c, R.912.1–2c, M.912.1, G.C.912.1a–c
Activities Included:
Pre-assessment quizzes, videos, classification charts, cloze activities, Venn diagrams, pop-up books, hands-on circle math exercises
Resource Links:
YouTube videos, EnchantedLearning.com, Science-Teachers.com, David L. Nelson website, UsefulCharts.com, Biology4Kids.com, SuperTeacherWorksheets.com
Assessment Methods:
Matching cards, compare/contrast paragraphs, quizzes, rubrics, calculator-based exercises
Learning Objectives:
Classification of plants and animals, circle geometry, research and information synthesis, writing coherence and citation
Year:
2026
Country:
United States
Subject:
Holodomor, genocide studies, Russian war against Ukraine
Document type:
Student competition announcement and evaluation form
Organization:
U.S. Committee for Ukrainian Holodomor Genocide Awareness
Target audience:
High school students in grades 9–12
Submission formats:
Research essay, newspaper article, short story, play, poem, interview, comparative analysis, multimedia project, PowerPoint, video
Maximum participants per submission:
Three students
Submission requirement:
Presentation in a class, club, library, or community organization or evidence of publication
Reference requirement:
List of sources and/or survivor or witness testimony
Submission email:
[email protected]
Submission deadline:
March 31, 2026
Prizes:
$1,000 for first place, $500 for second place, $300 for third place in grades 9–10 and 11–12 categories
Supporting materials:
U.S. Holodomor Student Competition Feedback Form completed by teacher or advisor
Evaluation criteria:
Student preparation, knowledge of the topic, adequacy of reference sources, presentation context and reception
Recommended resource websites:
holodomor.ca, holodomorct.org, ukrainegenocide.com
Restriction:
Submissions using A1 will be disqualified
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:
Mexico City, Mexico
Theme:
Aeronautical Meteorology Implementation
Document Type:
Meeting Report / Information Paper
Organization:
North American, Central American and Caribbean Working Group (NACC/WG)
Author:
Not specified
Strategic Objectives:
Safety; Air Navigation Capacity and Efficiency; Security & Facilitation; Economic Development of Air Transport; Environmental Protection
Date of Meeting:
9–12 December 2025
Year:
2024
Location:
Hefei, Anhui, China
Topic:
NR duplex evolution, Sub-band Full Duplex (SBFD)
Document type:
Meeting report / Summary
Organization:
3GPP TSG-RAN WG4
Author:
Moderator (Samsung)
Intended audience:
RAN working group participants
Agenda item:
6.20.4
Meeting number:
112bis
Frequency range:
FR1 and FR2-1
Related work items:
RP-234035, RP-240789, R4-2413514
Meeting:
3GPP TSG RAN WG1 #118bis
Location:
Hefei, China
Date:
October 14–18, 2024
Agenda Item:
9.3.1
Release:
3GPP Rel-19
Topic:
Sub-band full duplex (SBFD) operation
Document Type:
Meeting summary
Status:
Discussion and Decision
Source:
Moderator (CATT)
Organization:
3GPP
Working Group:
RAN1
Related Specifications:
TR 38.858
Duplex Mode:
TDD
Frequency Ranges:
FR1, FR2-1
UE Capability Scope:
SBFD-aware UEs
Network Entity:
gNB
Year:
2024
Region / city:
Maastricht, NL
Topic:
NR duplex evolution, SBFD TX/RX procedures
Document Type:
Discussion and Decision
Author:
Moderator (CATT)
Target Audience:
RAN1 participants
Period of validity:
August 19th – 23rd, 2024
Approval Date:
Not specified
Date of Changes:
Not specified
Context:
Technical report on NR duplex evolution and SBFD TX/RX/measurement procedures discussed during RAN1#118 meeting.
Year:
2023
Region / City:
Gothenburg, Sweden
Topic:
5G NR, AI/ML, MIMO, LP-WUS, Network technology
Document Type:
Meeting Report
Organization / Institution:
3GPP TSG-RAN WG2
Author:
Vice Chairman (CATT)
Target Audience:
Members of 3GPP TSG-RAN WG2, network engineers, and AI/ML specialists
Period of Validity:
Feb. 09th – 13th, 2023
Approval Date:
Not specified
Amendment Date:
Not specified
Year:
2026
Location:
Gothenburg, Sweden
Meeting:
3GPP TSG-RAN WG2 Meeting #133
Agenda item:
11.2
Document type:
Meeting session report and discussion summary
Organization:
3GPP TSG-RAN WG2
Source:
RAN2 Vice Chairman (CATT)
Technical domain:
5G NR radio access network specifications
Topics:
Rel-18/19 MIMO evolution, AI/ML for NR air interface, NR positioning, beam management, RRC procedures
Related specifications:
TS 38.331, TS 37.355, TS 38.306
Working groups referenced:
RAN1, RAN2, RAN3, RAN4, SA, SA5
Contributors:
Ericsson, Qualcomm Incorporated, Huawei, HiSilicon, Apple, OPPO, ZTE Corporation, Sanechips, Nokia, Samsung, Xiaomi, LG
Document category:
Organizational email discussion and technical contribution summary
Relevant releases:
3GPP Release 18, Release 19, Release 20
Year:
2026
Date:
2026-02-09
Location:
Gothenburg, Sweden
Meeting:
3GPP TSG-RAN WG4 Meeting #118
Organization:
3GPP TSG-RAN WG4
Source organization:
Ericsson
Document type:
Change Request (CR)
Specification:
3GPP TS 38.141-1
Current specification version:
19.3.0
Release:
Rel-19
Category:
B (addition of feature)
Work item code:
NR_duplex_evo-Perf
Affected clauses:
4, 9.1, Annex C
Technical domain:
5G NR Radio Access Network conformance testing
Subject:
SBFD conformance testing definitions and measurement requirements
Technical elements:
manufacturer declaration, test signal, test configuration, test model, measurement uncertainty, test tolerance
Related systems:
Base Station (BS) transmitter and receiver tests in FR1 frequency range
Year:
2025
Location:
Gothenburg, Sweden
Topic:
5G NR SBFD TX/RX and measurement procedures
Document Type:
Technical report
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Xiaomi)
Intended Audience:
3GPP members, RAN1 working group
Agenda Item:
8.3
Purpose:
Discussion and decision on Rel-19 SBFD procedures
Key Issues:
HARQ process ID determination for multi-PDSCH/PUSCH, collision handling
Related Documents:
R1-2600168, R1-2600863, R1-2600474, R1-2600595, R1-2600617, R1-2600727, R1-2601158, R1-2601235, R1-26001246, R1-2601417
Procedure References:
TS 38.214, Clause 5.1, Clause 6.1
Year:
2026
Location:
Gothenburg, Sweden
Subject:
3GPP NR standardization, MIMO evolution, AI/ML for air interface, positioning enhancements
Document Type:
Meeting report / Draft session notes
Organization:
3GPP TSG-RAN WG2
Authors:
RAN2 Vice Chairman (CATT), Ericsson, Qualcomm, Huawei, Nokia, ZTE, Apple, Xiaomi, OPPO, Sanechips
Target Audience:
3GPP members and associated stakeholders
Agenda Items:
11.2 – Rel-18/19 MIMO, Rel-19 LPWUS, SBFD, NR Others, Rel-19/20 AIPHY
Specifications Discussed:
TS 38.331, TS 38.306, TS 37.355
Decisions:
Agreements on corrections, capability signaling, periodic CSI handling, and AI/ML positioning procedures
Meeting Period:
February 9–13, 2026
Context:
Meeting report detailing discussions, agreements, and corrections on 3GPP NR Rel-18/19/20 features including MIMO evolution, AI/ML air interface enhancements, positioning capabilities, and specification updates for multiple vendors and contributors.
Year:
2026
Region / City:
Gothenburg, Sweden
Topic:
NR-DC, SBFD, RAN4 specifications
Document Type:
Technical Liaison Statement
Organization / Institution:
3GPP
Author:
Chenchen Zhang
Target Audience:
RAN WG2, RAN WG1, RAN WG3
Period of Effectiveness:
Feb 09-13, 2026
Approval Date:
Feb 09-13, 2026
Amendment Date:
None
Attachments:
1
Contextual Description:
A technical liaison statement from RAN4 to RAN2, discussing the implications of SBFD and DC simultaneous configuration and the lack of identified specification impact at this stage.
Year:
2026
Location:
Gothenburg, Sweden
Subject:
SBFD TX radiated conformance tests
Document type:
Change Request
Organization:
3GPP TSG-RAN WG4
Author:
Samsung
Target audience:
Radio Access Network engineers and testers
Work item code:
NR_duplex_evo-Perf
Release:
Rel-19
Category:
B (addition of feature)
Date of issue:
2026-02-13
Clauses affected:
Clause 9