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Meeting summary of 3GPP RAN WG1 discussions outlining study objectives, company proposals, and evaluation methodology considerations for AI/ML-based CSI compression in the NR air interface under Rel-19.
Year:
2024
Meeting:
3GPP TSG RAN WG1 #116
Location:
Athens, Greece
Dates:
26 Feb – 1 Mar 2024
Agenda item:
9.1.3.2
Source:
Moderator (Qualcomm)
Title:
Summary#2 for Additional Study on AI/ML for NR Air Interface: CSI Compression
Document for:
Discussion and Decision
Related Work Item:
Artificial Intelligence (AI)/Machine Learning (ML) for NR Air Interface (Rel-19)
Related Technical Report:
TR 38.843
Topic:
CSI compression using two-sided AI/ML model
Scope:
Temporal, spatial, and frequency domain aspects of CSI compression
Companies involved:
Qualcomm; Lenovo; New H3C; Samsung; Indian Institute of Technology Madras; Fujitsu; vivo; SK telecom; Mavenir; Panasonic; OPPO; NTT DOCOMO; ETRI; Ericsson; ZTE; IIT Kanpur; Spreadtrum; LG; CATT; Intel; Xiaomi; AT&T; CMCC; NVIDIA; MediaTek; Futurewei; TCL
Contact information included:
Yes
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Year:
2022
Region / City:
Not specified
Theme:
CSI enhancement, MIMO, 5G
Document type:
Meeting summary
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Samsung)
Target audience:
Technical stakeholders, 3GPP members
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Context:
A summary of discussions on CSI enhancements and codebook refinements for Coherent-JT targeting FR1 in the context of 5G NR.
Year:
2022
Region / City:
International
Theme:
Network-controlled repeaters, L1/L2 signaling
Document type:
Technical report
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Fujitsu)
Target audience:
Industry professionals, network engineers
Action period:
May 9th – 20th, 2022
Approval date:
N/A
Date of amendments:
N/A
Year:
2022
Region / city:
Not specified
Topic:
L1/L2 signaling, network-controlled repeaters, side control information
Document type:
Meeting document
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Fujitsu)
Target audience:
Technical experts in radio access networks
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Year:
2022
Region / City:
e-Meeting, February 21st – March 3rd, 2022
Theme:
Maintenance on Rel-17 Multi-Beam
Document Type:
Meeting Summary
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (Samsung)
Target Audience:
3GPP Technical Specification Group, RAN Working Group 1 Members
Period of Validity:
February 21st – March 3rd, 2022
Approval Date:
Not specified
Modification Date:
Not specified
Note:
Year
Subject:
Mental Health, Legal Procedures, Civil Commitment
Document Type:
Legal Rule
Organization / Institution:
Montgomery County Probate Court
Target Audience:
Legal professionals, Mental Health professionals, Court officials
Year:
2020
Region / City:
Essex
Subject:
Tendering process and bidder instructions
Document Type:
Guidance
Authority / Institution:
Essex County Council
Author:
Essex County Council
Target Audience:
Bidders for public procurement
Validity Period:
14/12/2020 - 22/02/2021
Approval Date:
25/11/2020
Modification Date:
Not specified
Year:
2024
Location:
Athens, Greece
Topic:
NR-NTN downlink coverage enhancements
Document type:
Feature Lead Summary (FLS)
Organization:
3GPP TSG RAN WG1
Authors:
Moderator (Thales)
Contributors:
vivo, InterDigital, Inc, NTT DOCOMO, Huawei, HiSilicon, Thales, ZTE, CATT, NEC, Honor, Oppo, Samsung, LG Electronics, CCU, NTPU, PANASONIC, Lenovo, Nokia, Nokia Shanghai Bell, Apple, Sharp
Agenda Item:
9.11.1
Number of TDocs submitted:
32
Period:
Release-19
Date of meeting:
February 26 – March 1, 2024
Year:
2022
Region / City:
United States / Oregon
Subject:
Research Methodology, Psychology
Document Type:
Podcast Transcript
Organization:
Oregon State University
Author:
Dr. Katie Linder, Dr. Mary Ellen Dello Stritto, Dr. Mary Kite
Target Audience:
Researchers, educators, students in psychology and higher education
Period of Validity:
Ongoing
Approval Date:
N/A
Date of Changes:
N/A
Year:
2018
Region / City:
Western Australia
Theme:
Vehicle security management in prisons
Document Type:
Policy and Procedure
Author:
Department of Corrective Services
Target Audience:
Correctional staff and prison administrators
Period of Validity:
Ongoing
Approval Date:
2018
Amendment Date:
Not specified
Year:
2021
Region / City:
Not specified
Subject:
English Literature
Document Type:
Lesson Plan
Institution:
Pearson Edexcel
Author:
Not specified
Target Audience:
Teachers of International GCSE English Literature
Period of Use:
Academic year
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
1791
Region / city:
United States
Theme:
American History, Constitutional History
Document Type:
Lecture Notes
Institution:
Not specified
Author:
Not specified
Target Audience:
Students
Period of validity:
Not specified
Approval Date:
Not specified
Date of changes:
Not specified
Note:
Year
Topic:
Compound machine design
Document type:
Evaluation rubric
Jurisdiction:
City of Boroondara, Victoria, Australia
Legislation:
Building Regulations 2018 (Regulation 116)
Document Type:
Application Form and Information Sheet
Issuing Authority:
Municipal Building Surveyor
Responsible Authority:
Relevant Building Surveyor
Purpose:
Consent to occupy the street for public protection during building works
Subject Matter:
Erection of hoardings, gantries or protective structures over street alignment
Required Documentation:
Completed application form and minimum three detailed plans
Insurance Requirement:
Public Liability Insurance (minimum $5 million cover)
Fees:
$290.40 report and consent fee; $156.50 per inspection
Related Permits:
Road, footpath and parking bay permit (if applicable)
Approval Conditions:
Safety lighting, restrictions on advertising, duration of occupation, liability for damage or injury
Contact Departments:
Boroondara Building Services; Traffic & Transport Department; Local Laws Department
Meeting:
3GPP TSG-RAN WG4 #116
Document number:
R4-250xxxx
Agenda item:
2
Source:
RAN4 Chair
Location:
Bengaluru, India
Dates:
25–29 August 2025
Organization:
3GPP TSG-RAN WG4
Document type:
Meeting agenda
Document for:
Approval
Topics:
IPR declaration, competition law, consensus principles, 6G working principles, maintenance guidance, LTE and NR specifications, spectrum and RF requirements
Related releases:
Rel-15, Rel-16, Rel-17, Rel-18, Rel-19
Technologies referenced:
LTE, NR, EN-DC, MR-DC, NB-IoT, eMTC, NTN
Year:
2025
Location:
Bengaluru, India
Topic:
NR AI/ML Work Item, CSI Prediction, Beam Management, Positioning Accuracy
Document Type:
Meeting Summary
Organization:
3GPP TSG-RAN WG4
Author:
Moderator (Qualcomm)
Audience:
Members of 3GPP TSG-RAN WG4 and contributing companies
Agenda Item:
7.17.1
Source Documents:
[116][131]
Key Participants:
Anritsu Corporation, Samsung, Apple, CMCC, vivo, ROHDE & SCHWARZ, OPPO
Technical Focus:
CSI reporting requirements, performance monitoring, AI/ML model generalization, test frameworks, channel models
Date of Meeting:
25–29 August 2025
Context:
Summary of technical discussions and proposals from multiple companies regarding NR AI/ML-related CSI prediction, beam management, and positioning accuracy within the RAN4 meeting, including performance monitoring methods, model training strategies, and test frameworks for different deployment scenarios.
Year:
2020
Region / City:
South Sudan
Subject:
In-Flight Connectivity and Frequency Band Harmonization
Document Type:
Meeting Report
Organization:
EACO (East African Communications Organization)
Author:
Not specified
Target Audience:
Communication industry professionals, governmental organizations, aviation and maritime sectors
Period of Validity:
Not specified
Approval Date:
Not specified
Amendment Date:
Not specified
Year:
2024
Location:
Athens, Greece
Event:
3GPP TSG RAN WG1 #116 Meeting
Agenda Item:
9.2.4
Document ID:
R1-2401491
Document Type:
Technical meeting summary
Organization:
3GPP TSG RAN Working Group 1
Source:
Moderator (OPPO)
Subject Area:
5G NR radio access technology
Technical Topic:
Rel-19 NR MIMO Phase 5 asymmetric DL sTRP / UL mTRP deployment scenarios
Frequency Range:
FR1 and FR2
Key Technical Aspects:
pathloss offset configuration, unified TCI framework, MAC CE updates, closed-loop power control for SRS, TPC command value range study
Contributing Companies:
Samsung, Huawei, HiSilicon, InterDigital, Lenovo, vivo, TCL, ZTE, China Telecom, Intel, CATT, NEC, MediaTek, Ericsson, Xiaomi, OPPO, Fujitsu, Sony, LG Electronics, Nokia, Nokia Shanghai Bell, Panasonic, Apple, Sharp, Hyundai Motor Company, NTT DOCOMO, Google, Qualcomm
Discussion Focus:
pathloss offset configuration and closed-loop power control for SRS in asymmetric DL sTRP / UL mTRP scenarios
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:
2020
Location:
Geneva, Switzerland
Subject:
Vehicle security systems and digital keys
Document type:
Regulatory proposal
Organization:
United Nations Economic Commission for Europe, Inland Transport Committee, World Forum for Harmonization of Vehicle Regulations
Author:
Expert from the International Organization of Motor Vehicle Manufacturers (OICA)
Target audience:
Vehicle manufacturers, regulatory authorities
Scope period:
6-9 October 2020
Amendment series:
01
UN Regulation referenced:
No. 116
Safety annex included:
Annex 11
Cybersecurity provisions:
Included
Type approval requirements:
Digital virtual keys
Verification methods:
Manufacturer documentation and testing
Proposal modifications:
Text amendments, paragraph additions, spelling corrections, terminology updates
Draft session:
119th session, Working Party on General Safety Provisions
Year:
2021
Region / City:
Ottawa, IL
Theme:
Pipe Rehabilitation, Sealing Gaskets, CIPP Liners
Document Type:
Technical Specification
Organization / Institution:
LMK Technologies
Author:
LMK Technologies
Target Audience:
Professionals in pipe rehabilitation and CIPP liner installation
Period of Validity:
Not specified
Approval Date:
August 25, 2021
Date of Revision:
August 25, 2021