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Summary document of technical discussions and company positions within a 3GPP working group on enhancements to beam management and reporting mechanisms for multi-TRP systems.
Year:
2021
Event:
3GPP TSG RAN WG1 #107-e
Meeting Type:
e-Meeting
Date:
November 11–19, 2021
Agenda Item:
8.1.2.3
Document Type:
Discussion and Decision
Source:
Moderator (CATT)
Organization:
3GPP
Technical Area:
Beam management for multi-TRP
Topics:
Beam measurement, beam reporting, L1-SINR reporting, CMR configuration
Contributors:
Samsung, Qualcomm, Apple, CMCC, Xiaomi, Nokia, ETRI, DCM, OPPO, LGE, MTK, Ericsson, ZTE, Intel, NTT DOCOMO, Lenovo, Motorola Mobility, Huawei, HiSilicon, Spreadtrum, TCL, Sony, vivo
Scope:
Summary of issues and proposals from company contributions
Proposals:
FL Proposal 1.1, FL Proposal 1.2
Stage:
Ongoing discussion and feedback collection
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Meeting:
3GPP TSG RAN WG1 #106bis-e
Document Number:
R1-210xxxxe-Meeting
Agenda Item:
5
Source:
Moderator (Nokia)
Work Item:
FS_NR_eff_BW_util
Document For:
Discussion and Decision
Related LS:
R1-2108700 / R4-2114751
Organizations Involved:
RAN1, RAN2, RAN4, Nokia, Nokia Shanghai Bell, vivo, ZTE, Apple, Ericsson, QC
Date:
October 11–19, 2021
Subject:
Efficient utilization of licensed spectrum not aligned with existing NR channel bandwidths
Type of Document:
Meeting contribution / Moderator summary
Scope:
Clarifications and proposed replies to RAN4 LS questions regarding wider and overlapping channel bandwidths in NR
Year:
2021
Event:
3GPP TSG RAN WG1 #106bis-e e-Meeting
Agenda item:
8.17.8
Source:
Moderator (NTT DOCOMO, INC.)
Document type:
Discussion and Decision
Author:
Shinya (DOCOMO)
Target audience:
RAN1 Working Group participants
Period:
October 11–19, 2021
Related release:
Rel-17 NR
Topics:
UE features, PUSCH Type A repetitions, DM-RS bundling, PUCCH repetitions, capability signaling
Priority levels:
High, Medium, Low
Endorsed by:
RAN1 discussion and email contributions
Year:
2021
Event:
3GPP TSG RAN WG1 #106bis-e e-Meeting
Location:
Virtual / e-Meeting
Topic:
Enhancements to IAB node resource multiplexing between child and parent links
Document type:
Meeting contribution / Technical summary
Organization:
3GPP
Authors:
AT&T, Huawei, HiSilicon, Nokia, Nokia Shanghai Bell, vivo
Audience:
RAN1 working group participants
Period of relevance:
October 11–19, 2021
Agenda item:
8.10.1
Related documents:
106bis-e-NR-eIAB-01
Purpose:
Discussion and approval of proposed multiplexing enhancements and guard symbol handling
Year:
2021
Event:
3GPP TSG-RAN WG1 Meeting #106bis-e
Meeting dates:
11–19 October 2021
Agenda Item:
8.2.3
Organization:
3rd Generation Partnership Project (3GPP)
Working Group:
TSG-RAN WG1
Source:
Moderator (Ericsson)
Topic:
Enhancements for PUCCH Formats 0/1/4 in NR operation up to 71 GHz
Related Work Item:
Rel-17 “Extending current NR operation to 71 GHz”
Participating Companies:
Intel, Qualcomm, Futurewei, LGE, Ericsson, OPPO, Nokia, Samsung, ZTE, Huawei/HiSilicon, vivo
Document Type:
Technical meeting summary and discussion record
Document Purpose:
Discussion and decision
Technical Area:
5G NR physical layer uplink control channel (PUCCH)
Key Issue:
Potential RB shortage and configuration of PUCCH resource sets prior to RRC configuration
Conclusion:
Proposal not to re-open discussion on RB shortage and frequency hopping distance issues for PUCCH resource sets before RRC configuration
Year:
2021
Organization:
3GPP TSG RAN WG1
Document Type:
Meeting Report
Subject:
SRS enhancements in NR MIMO
Source:
Moderator (ZTE)
Agenda Item:
8.1.3
Participants:
Intel, Xiaomi, CMCC, Apple, Nokia/NSB, Qualcomm, ZTE, Huawei/HiSilicon, Futurewei, Lenovo/MotM, Ericsson, vivo, Spreadtrum, CATT, Samsung, OPPO, LG, DOCOMO, InterDigital, MTK, NTT DCM, NEC
Decisions:
Proposed dropping rules for aperiodic SRS collisions, no consensus on DCI repurpose
Period Covered:
Rel-17
Discussion Date:
Nov. 11–19, 2021
Approval Status:
For discussion and decision
Target Frequency Bands:
FR1 and FR2
Year:
2022
Event:
3GPP TSG RAN WG1 #108-e e-Meeting
Date:
February 21 – March 3, 2022
Source:
Moderator (CATT)
Title:
Moderator summary #1 on enhancements of beam management for multi-TRP
Agenda Item:
8.1.2.3
Document Type:
Discussion and Decision
Participants:
Qualcomm, LGE, CMCC, Xiaomi, Lenovo, Motorola Mobility, Intel, TCL, Sony, OPPO, Apple, ZTE, Samsung, MTK, vivo, Spreadtrum, CATTA, FutureWei
Topics Covered:
Beam measurement/reporting, L1-SINR reporting, CSI-RS configuration, TRP-specific BFR, M-TRP beam failure recovery
Standards Referenced:
3GPP 38.214
Document Scope:
Issues and proposals on enhancements for beam management in multi-TRP scenarios
Year:
2021
Region / city:
Not specified
Topic:
Multi-TRP inter-cell operation, QCL, TCI state
Document type:
Meeting summary
Organization / institution:
3GPP TSG RAN WG1
Author:
Not specified
Target audience:
Participants of the meeting
Period of validity:
Not specified
Approval date:
Not specified
Date of last modification:
Not specified
Year:
2021
Region / City:
Not specified
Topic:
Telecommunications, Inter-cell Multi-TRP Enhancements
Document Type:
Contribution
Organization / Institution:
3GPP TSG RAN WG1
Author:
Not specified
Target Audience:
Telecommunications professionals and organizations involved in 3GPP RAN
Period of validity:
Not specified
Approval Date:
Not specified
Date of changes:
Not specified
Note:
Contextual description
Year:
2021
Region / city:
Not specified
Topic:
Enhancements on Multi-TRP inter-cell operation
Document type:
Meeting contribution
Organization / institution:
3GPP TSG RAN WG1
Author:
Moderator (vivo)
Target audience:
Not specified
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Year:
2022
Event:
3GPP TSG RAN WG1 #108-e e-Meeting
Date:
February 21 – March 3, 2022
Source:
Moderator (CATT)
Document type:
Meeting report
Topic:
Enhancements of beam management for multi-TRP
Agenda item:
8.1.2.3
Purpose:
Discussion and Decision
Companies involved:
QC, LGE, CMCC, Xiaomi, Lenovo, Motorola Mobility, Intel, TCL, Sony, OPPO, Apple, MediaTek, Nokia/NSBB, ZTE, Samsung, DOCOMO, Huawei, HiSilicon, NEC, Spreadtrum, Ericsson
Technical focus:
L1-SINR reporting, L1-RSRP, group-based beam reporting, multi-TRP simultaneous transmission
Reference specifications:
3GPP 38.214 Rel-16 and Rel-17
Consensus points:
Support for single CSI-report, support for multiple beams per pair/group, further study on cross-beam interference
Action items:
Companies to provide preferences and comments on proposals
Meeting type:
e-Meeting, technical discussion
Year:
2021
Region / City:
Global
Topic:
Multi-TRP PUCCH and PUSCH Enhancements
Document Type:
Meeting Agenda
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Nokia, Nokia Shanghai Bell)
Target Audience:
Industry experts, engineers
Period of validity:
May 19th – May 27th, 2021
Approval Date:
May 19th, 2021
Modification Date:
May 27th, 2021
Note:
Contextual Description
Year:
2022
Region / city:
International
Subject:
Beam management enhancements for multi-TRP in 5G NR
Document type:
Technical contribution summary
Organization:
3GPP TSG RAN WG1
Author:
Moderator (CATT)
Target audience:
3GPP working group members, industry participants
Meeting format:
e-Meeting
Agenda item:
8.1.2.3
Purpose:
Discussion and decision on beam management proposals
Key issues covered:
L1-SINR reporting, TP configuration, M-TRP beam failure recovery, PUCCH/PDSCH updates
Year:
2022
Region / City:
e-Meeting, February 21st – March 3rd
Topic:
Beam Management, Multi-TRP
Document Type:
Discussion and Decision
Organization:
3GPP TSG RAN WG1
Author:
Moderator (CATT)
Target Audience:
Companies involved in 3GPP
Period of Validity:
February 21st – March 3rd, 2022
Approval Date:
February 21st, 2022
Date of Last Update:
March 3rd, 2022
Year:
2022
Event:
3GPP TSG RAN WG1 #108-e e-Meeting
Region:
International
Subject:
Enhancements of beam management for multi-TRP
Document Type:
Meeting summary / Technical report
Organization:
3GPP
Author:
Moderator (CATT)
Target Audience:
Company representatives and technical delegates
Agenda Item:
8.1.2.3
Purpose:
Discussion and Decision
Issues Covered:
L1-SINR reporting, TP configuration, beam measurement/reporting, CMR configuration
Companies Involved:
QC, LGE, CMCC, Xiaomi, Lenovo, Motorola Mobility, Intel, TCL, Sony, OPPO, Apple, MediaTek, ZTE, Samsung, DOCOMO, vivo
Proposals:
FL Proposal 1.1 and FL Proposal 1.2
Date of Meeting:
February 21st – March 3rd, 2022
Source:
Moderator (CATT)
Year:
2022
Region / city:
e-Meeting
Topic:
Beam management, multi-TRP
Document type:
Meeting minutes
Organization / institution:
3GPP TSG RAN WG1
Author:
Moderator (CATT)
Target audience:
Companies involved in beam management for multi-TRP
Period of validity:
February 21st – March 3rd, 2022
Date of approval:
February 21st, 2022
Date of changes:
None
Year:
2022
Region / city:
e-Meeting
Topic:
Beam management for multi-TRP
Document type:
Meeting summary
Organization:
3GPP TSG RAN WG1
Author:
Moderator (CATT)
Target audience:
3GPP members, engineers, and technical experts in telecommunications
Period of validity:
February 21st – March 3rd, 2022
Approval date:
February 21st, 2022
Modification date:
N/A
Note:
Context description
Year:
2022
Region / city:
e-Meeting (online)
Subject:
Beam management for multi-TRP
Document type:
Meeting report
Organization:
3GPP TSG RAN WG1
Author:
Moderator (CATT)
Agenda item:
8.1.2.3
Purpose:
Discussion and Decision
Target audience:
RAN1 members, participating companies
Meeting period:
February 21 – March 3, 2022
Companies involved:
QC, LGE, CMCC, Xiaomi, Lenovo, Motorola Mobility, Intel, TCL, Sony, OPPO, Apple, MediaTek, Nokia/NSBB, ZTE, DOCOMO, Ericsson, Huawei, HiSilicon, NEC, Spreadtrum, Samsung
Technical focus:
L1-SINR reporting, CSI-RS configuration, group-based beam reporting, multi-TRP simultaneous transmission
Agreements:
Support single CSI-report with multiple beam pairs/groups, discussion of L1-SINR reporting enhancements, reuse of Rel-16 framework for Rel-17
Comments summary:
Companies provided positions on support, concerns, and suggestions for further detail or clarification on beam measurement and reporting mechanisms
Year:
2022
Region / City:
Global
Topic:
Beam management for multi-TRP enhancements
Document Type:
Technical report
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (CATT)
Target Audience:
Industry professionals, companies in wireless technology
Effective Period:
February 21st – March 3rd, 2022
Approval Date:
Not specified
Amendment Date:
Not specified
Background:
The document discusses the enhancements of beam management for multi-TRP in the context of 5G technology and related reports.
Context:
Technical specification document for discussions and decisions in a working group meeting about multi-TRP beam management enhancements in the 3GPP framework.
Year:
2020
Region / City:
Global
Topic:
Multi-TRP PUSCH and PUCCH Transmission Schemes
Document Type:
Meeting Agenda
Organization:
3GPP TSG RAN WG1
Author:
Moderator (Nokia, Nokia Shanghai Bell)
Target Audience:
Technical experts, network engineers, and 3GPP working group members
Period of Application:
2020
Approval Date:
October 26th, 2020
Date of Changes:
November 13th, 2020
Year:
2022
Meeting type:
e-Meeting
Organization:
3GPP TSG RAN WG1
Document type:
Technical report
Author:
Moderator (CATT)
Agenda item:
8.1.2.3
Purpose:
Discussion and decision on beam management enhancements for multi-TRP
Contributors:
QC, LGE, CMCC, Xiaomi, Lenovo, Motorola Mobility, TCL, Sony, OPPO, Apple, ZTE, MTK, vivo, Samsung, Spreadtrum, FutureWei
Scope:
L1-SINR reporting, beam measurement, beam failure recovery, BFD-RS configuration, PUCCH updates
Dates:
February 21 – March 3, 2022