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This document is a technical proposal discussing the enhancement of Channel State Information (CSI) support for Rel-19 NR MIMO Phase 5, focusing on codebook refinement, reporting mechanisms, and associated resource allocation for hybrid beamforming and CJT deployments.
Year:
2026
Region / city:
Gothenburg, SE
Topic:
CSI enhancements for Rel-19 MIMO
Document type:
Technical report
Organization:
3GPP TSG RAN WG1
Author:
Samsung (Moderator)
Target audience:
Technical experts in telecommunications
Period of validity:
2026
Approval date:
February 9th, 2026
Date of changes:
February 9th, 2026
Note:
Summary of document
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Year:
2021
Region / city:
e-Meeting
Topic:
HST-SFN deployment, MIMO support, TRP transmission, RRC parameters
Document Type:
Meeting Summary
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Intel Corporation)
Target Audience:
Industry professionals and companies involved in 3GPP standards
Period of Action:
2021
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2025
Region / city:
Dallas, USA
Theme:
6GR air interface overview
Document type:
Meeting report
Source:
Moderator (NTT DOCOMO)
Target audience:
RAN1 meeting participants
Period of validity:
November 17th – 21st, 2025
Approval date:
Not specified
Date of amendments:
Not specified
Note:
Context
Year:
2021
Region / city:
e-Meeting, October 11th – 19th, 2021
Topic:
MIMO support, HST-SFN deployment
Document type:
Meeting summary
Organization / institution:
3GPP TSG RAN WG1
Author:
Moderator (Intel Corporation)
Target audience:
Technical experts in wireless communications
Period of validity:
October 11th – 19th, 2021
Approval date:
October 11th, 2021
Date of amendments:
N/A
Year:
2021
Region / City:
Global
Topic:
MIMO support, HST-SFN deployment, transmission schemes
Document type:
Meeting summary
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Intel Corporation)
Target audience:
Companies and technical contributors in the telecommunications industry
Period of validity:
May 10th – 27th, 2021
Approval date:
May 2021
Modification date:
None
Context:
Meeting summary of proposals and discussions regarding enhancements on HST-SFN deployment for 5G networks, as discussed in the 3GPP TSG RAN WG1 #105-e meeting.
Year:
2021
Region / City:
Not specified
Topic:
NR CA, SCell activation, temporary RS
Document Type:
Technical Paper
Organization / Institution:
Huawei
Author:
Moderator (Huawei)
Target Audience:
Industry professionals, companies involved in NR CA
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2021
Region / City:
N/A
Topic:
MIMO, HST-SFN, TCI, QCL
Document Type:
Meeting Summary
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Intel Corporation)
Target Audience:
Members of 3GPP TSG RAN WG1
Period of Validity:
N/A
Approval Date:
N/A
Date of Changes:
N/A
Year:
2022
Region / city:
Global
Topic:
XR Capacity Enhancements
Document Type:
Meeting Agenda / Discussion Document
Organization / Institution:
3GPP TSG-RAN WG1
Author:
Ericsson
Target Audience:
Telecom engineers, XR specialists, 3GPP participants
Effective Period:
May 9th – 20th, 2022
Approval Date:
Not specified
Revision Date:
Not specified
Note:
Summary of the document
Year:
2021
Region / City:
N/A
Topic:
Power Saving Adaptation in Telecommunications
Document Type:
Meeting Contribution
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (vivo)
Target Audience:
Industry professionals in telecommunications
Period of Effect:
N/A
Approval Date:
N/A
Date of Changes:
N/A
Year:
2021
Meeting:
3GPP TSG RAN WG1 #104-e
Document Number:
R1-21xxxxxe-Meeting
Source:
Moderator (Sharp)
Agenda Item:
8.8.1.1
Document For:
Discussion and Decision
Work Item:
Coverage Enhancement WID
Technical Scope:
Enhancements on PUSCH repetition type A
Related Releases:
Rel-15, Rel-16, Rel-17
Subject:
Increasing the maximum number of PUSCH repetitions and candidate repetition values
Participating Companies:
ZTE, OPPO, CATT, vivo, Intel, China Telecom, NEC, Panasonic, Xiaomi, Sierra Wireless, Apple, Qualcomm, NTT DOCOMO, CMCC, Samsung, Huawei, HiSilicon, Sharp, IITH, Ericsson, Nokia, Nokia Shanghai Bell, IITM, CEWIT, Reliance Jio, Tejas Networks
Discussion Format:
Email discussion checkpoints and round-based technical exchange
Year:
2021
Note:
Region / City
Theme:
Intra-UE multiplexing/prioritization
Document Type:
Email Summary
Organization:
3GPP TSG RAN WG1
Author:
Jia (OPPO)
Target Audience:
3GPP participants and related stakeholders
Agenda Item:
8.3.3
Source:
Moderator (OPPO)
Year:
2020
Meeting:
3GPP TSG RAN WG1 #102-e
Agenda item:
8.11.1
Title:
FL summary#1 for AI 8.11.1 SL evaluation methodology update for power saving
Document number:
R1-20xxxxxe
Source:
Moderator (LG Electronics)
Organization:
3GPP TSG RAN WG1
Document type:
Meeting contribution
Purpose:
Discussion and decision
Discussion format:
Email discussion
Submission period:
August 17–28, 2020
Related specification:
TR38.840
Topic:
Sidelink evaluation methodology and power consumption model assumptions
Companies involved:
NTT DOCOMO; LG Electronics; Fujitsu; vivo; Ericsson; Huawei; HiSilicon; Apple; Futurewei
Technical scope:
Reference configuration, SCS, system bandwidth, PSCCH symbols, modulation order, TX/RX antenna ports
Year:
2026
Location:
Gothenburg, SE
Topic:
5G NR Rel-19 CSI Enhancements
Document Type:
Meeting Summary / Technical Proposal
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Samsung)
Intended Audience:
RAN1 participants, 3GPP members
Period Covered:
Feb 9–13, 2026
Agenda Item:
8.2
Affected Specifications:
TS38.213, TS38.214
Technical Focus:
CSI-RS port support, Type-I and Type-II codebook refinement, UE reporting procedures, hybrid beamforming, CJT deployments
Year:
2026
Region / city:
Gothenburg, Sweden
Topic:
6G, NTN, GNSS, radio design
Document Type:
Study report
Organization / Institution:
3GPP TSG RAN WG1
Author:
Qualcomm Incorporated
Target Audience:
Technical experts, industry professionals, companies involved in 6G development
Period of validity:
Ongoing
Date of approval:
Not specified
Date of changes:
Not specified
Year:
2026
Region / city:
Gothenburg, SE
Topic:
UL-based CSI acquisition
Document type:
Draft
Organization / institution:
3GPP TSG RAN WG1
Author:
Moderator (CATT)
Target audience:
Participants of the 3GPP meeting
Period of validity:
February 9th ~ 13th, 2026
Date of approval:
Not specified
Date of changes:
Not specified
Context:
Document for discussion and decision during the 3GPP meeting on the topic of uplink-based CSI acquisition and related requirements and designs.
Year:
2026
Region / City:
Gothenburg, SE
Topic:
6G Channel Coding
Document Type:
Agenda Item
Organization:
3GPP TSG RAN WG1
Author:
Moderator (ZTE)
Target Audience:
Technical stakeholders in 3GPP RAN WG1
Period of Effectiveness:
2026
Approval Date:
Feb. 9th ~ 13th, 2026
Modification Date:
None
Year:
2024
Region / City:
Athens, Greece
Topic:
Frame structure and timing aspects for Rel-19 Ambient IoT
Document Type:
Discussion Paper
Organization / Institution:
3GPP TSG-RAN WG1
Author:
Moderator (vivo)
Target Audience:
Participants of 3GPP TSG-RAN WG1
Period of Validity:
February 26th – March 1st, 2024
Approval Date:
N/A
Modification Date:
N/A
Year:
2025
Region / City:
Prague, Czech Republic
Topic:
Technical Specifications
Document Type:
Change Request
Organ / Institution:
3GPP
Author:
Nokia
Target Audience:
Technical specialists in radio access networks
Period of Validity:
2025
Approval Date:
2025-10-23
Change Category:
A
Release:
19
Reason for Change:
Correction of a typo in the priority formula for CSI based on Doppler codebook
Affected Clauses:
5.2.3
Summary of Change:
τ replaces j in Pril,i,f,j
Consequences if not Approved:
Incorrect priority formula for CSI based on Doppler codebook
Other Comments:
Revision history available in the document
Year:
2024
Region / city:
Fukuoka, Japan
Theme:
CSI enhancement, NR MIMO, codebook refinement
Document type:
Discussion and Decision
Organization / institution:
3GPP TSG RAN WG1
Author:
Moderator (Samsung)
Target audience:
3GPP participants
Period of validity:
May 20th – 24th, 2024
Approval date:
N/A
Modification date:
N/A
Year:
2024
Region / City:
Athens, Greece
Theme:
NR MIMO Phase 5, asymmetric DL sTRP/UL mTRP deployment
Document Type:
Technical Report
Organization:
3GPP TSG RAN WG1
Author:
Moderator (OPPO)
Target Audience:
Technical experts in wireless communication, MIMO technology
Period of Action:
Rel-19 WI
Approval Date:
February 26th – March 1st, 2024
Date of Changes:
None
Year:
2024
Region / City:
Changsha, Hunan Province, China
Topic:
CSI-RS ports, NR MIMO, FR1, Type-I codebook refinement
Document Type:
Report
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (Samsung)
Target Audience:
Technical experts, industry professionals in wireless communication
Period of validity:
April 15th – 19th, 2024
Date of approval:
N/A
Date of modifications:
N/A