№ files_lp_4_process_3_094253
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Summarizes technical discussions and proposals on HARQ process ID assignment and SBFD transmission/reception behavior for Rel-19 NR, serving as a reference source for RAN1 decision-making.
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
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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:
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.
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
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:
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
Year:
2026
Event:
3GPP TSG-RAN WG1 Meeting #124
Location:
Gothenburg, Sweden
Dates:
February 9–13, 2026
Topic:
Low-power wake-up signal and receiver for NR (LP-WUS/WUR)
Technical area:
5G NR radio access network specifications
Document type:
Meeting discussion and decision summary with text proposals
Organization:
3GPP TSG-RAN WG1
Source:
Moderator (vivo)
Agenda item:
8.6
Related specifications:
3GPP TS 38.211 V19.0.0; 3GPP TS 38.212 V19.0.0; 3GPP TS 38.213; 3GPP TS 38.331
Purpose:
Discussion and decision on maintenance updates
Main content:
Text proposals for updating higher-layer parameter names and related definitions in NR specifications for LP-WUS/LP-SS
Participating companies mentioned:
Qualcomm; Samsung
Technical elements referenced:
LP-WUS; LP-SS; OOK modulation; sequence modulation; RRC parameters; wake-up information coding
Decision process:
Company preference and adoption proposals for technical text proposals TP1–TP6
Year:
2026
City:
Gothenburg
Country:
Sweden
Meeting:
3GPP TSG RAN WG1 #124
Agenda item:
10.5.4.3
Organization:
3GPP TSG RAN Working Group 1
Source:
Moderator (OPPO)
Document number:
R1-2601540
Document status:
Draft
Document for:
Discussion and Decision
Topic:
6G Radio (6GR) HARQ operation
Technical field:
Wireless communications and radio access technology
Related standards:
TR 38.914, TR 38.921, TR 38.922
Frequency scope:
Up to 52.6 GHz including FR1 and FR2-1
Key technologies:
HARQ, OFDM-based waveforms, LDPC, Polar Code, MIMO
Scope:
Physical layer control, data scheduling and retransmission mechanisms
Working group area:
RAN1 physical layer study for 6G radio access
Timeframe of meeting:
09–13 February 2026
Year:
2026
Location:
Gothenburg, Sweden
Document type:
Meeting report
Organization:
3GPP TSG RAN WG1
Author/Moderator:
CMCC, Apple
Agenda item:
11.5.4.1
Purpose:
Discussion & Decision
Version:
V000
Topics covered:
DCI formats, scheduling issues, AI integration, PDCCH monitoring, UE power saving, coverage and capacity challenges, 6GR downlink control design principles
Participants:
Samsung, ZTE, MediaTek, Qualcomm, Spreadtrum, NEC, Lenovo, TCL, Huawei, Sharp, ETRI, CATT, OPPO, Vivo, KT, Nokia, Xiaomi, IDCC, Panasonic, LGE, DOCOMO
Related technologies:
4G, 5G, NR, PDCCH, DL/UL scheduling
Year:
2026
Location:
RAN1_Brk#2, A3, Level 1
Topic:
A-IoT, ISAC, 6G waveform, R19/R20 mobile network features
Document type:
Session timetable
Organizer:
Hiroki
Audience:
Participants of RAN1#124 sessions
Period:
Monday to Friday
Session duration:
08:30–19:45
Breaks:
Morning coffee 10:30–11:00, Lunch 13:00–14:30, Afternoon coffee 16:30–17:00
Mode:
Online and offline
Year:
2026
Location:
Gothenburg, Sweden
Topic:
6G PDCCH Transmission Schemes
Document Type:
Draft Summary / Meeting Document
Organization:
3GPP TSG-RAN WG1
Author:
Moderator (Nokia)
Intended Audience:
3GPP RAN1 participants, industry stakeholders
Meeting Dates:
February 9–13, 2026
Agenda Item:
10.5.2.1
Work Item:
FS_6G_Radio
Contributions:
33 submitted proposals from multiple companies
Covered Technologies:
Sing-TRP, Multi-TRP, TN, NTN, PDCCH, CORESET, CCE, REG, MRSS
Purpose:
Summarize and organize proposals for discussion of downlink control channel transmission schemes
Year:
2026
Location:
Gothenburg, SE
Subject:
6G RAN downlink control and scheduling design
Document type:
Technical meeting report
Organization:
3GPP TSG RAN WG1
Authors:
Moderator (CMCC, Apple)
Intended audience:
RAN1 working group members, technical contributors
Agenda item:
11.5.4.1
Version:
V000
Topics covered:
DCI formats, DL/UL scheduling, AI integration, PDCCH monitoring, UE power saving, coverage and capacity, lessons from 4G/5G design, proposals for 6G
References:
Contributions from Samsung, ZTE, MediaTek, Qualcomm, Spreadtrum, NEC, Lenovo, TCL, Huawei, Sharp, ETRI, CATT, Tejas, Nokia
Meeting dates:
Feb. 9–13, 2026
Related documents:
R1-260XXXX, R1-2601283, R1-2600399, R1-2600575, R1-2600042, R1-2600122, R1-2600154, R1-2600309, R1-2600354
Summary:
Technical meeting report detailing 6G downlink control strategies, DCI format design, PDCCH monitoring, and efficiency considerations based on lessons learned from LTE/NR deployments.
Year:
2026
Location:
Gothenburg, Sweden
Document type:
Technical report
Organization:
3GPP TSG RAN WG1
Author:
Moderator (CMCC, Apple)
Agenda item:
10.5.4.1
Purpose:
Discussion & Decision
Target audience:
RAN1 members
Version:
V000
Topics:
DCI formats, scheduling, UE power saving, PDCCH monitoring, 6GR downlink control design, two-stage DCI, time/frequency domain adaptation
Note:
Year