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Summary of technical discussions and proposals on simultaneous operation, beam indication, TDD configurations, and resource allocation for Integrated Access and Backhaul nodes within 3GPP RAN1 e-Meeting documentation.
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
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Year:
2023
Region / Location:
Online
Subject:
FR2 multi-RX downlink demodulation performance requirements
Document Type:
Meeting summary / technical report
Organization:
3GPP TSG-RAN WG4
Authors:
Qualcomm (moderator), Apple, Nokia, Huawei/HiSilicon, Ericsson
Agenda Item:
5.8.4
Period Covered:
17 Apr – 26 Apr 2023
Technical Focus:
PDSCH, CSI, PDCCH, PBCH, SDR
Test Methodology:
Simulation and OTA evaluation
MIMO Configuration:
2x2, 4x4 layers, single-DCI and multi-DCI scenarios
Channel Models:
TDLA, TDLD, correlation matrices for multi-RX
Modulation and Frequency:
Up to 64QAM, FR2 band, SCS 120 kHz, CBW 100 MHz
Key Discussions:
General aspects, correlation modeling, beam pair selection, UE demodulation requirements, PN considerations
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 #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
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 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:
2020
Region / city:
N/A
Theme:
IAB operation in paired spectrum
Document type:
Meeting document
Organization / institution:
3GPP TSG-RAN WG1
Author:
AT&T
Target audience:
RAN1 participants
Period of validity:
N/A
Approval date:
N/A
Date of amendments:
N/A
Year:
2021
Region / City:
N/A
Subject:
IAB Re-Image 2020
Document Type:
Review Matrix
Organization / Institution:
N/A
Author:
David Lee, Dev Jani
Target Audience:
IAB members, leadership teams, public safety agencies
Effective Period:
N/A
Approval Date:
N/A
Modification Date:
N/A
Year:
2017
Region / City:
United Kingdom
Subject:
Money Laundering Regulations
Document Type:
Form
Organization / Institution:
IAB
Author:
IAB
Target Audience:
General public, IAB members
Period of validity:
N/A
Approval Date:
N/A
Date of modifications:
N/A
Year:
2023
Region / City:
Chicago, IL, USA
Topic:
Mobile IAB, RACH-less handover
Document Type:
Liaison Statement
Organization:
Qualcomm
Author:
Georg Hampel
Target Audience:
RAN2 group
Action Date:
February 26 - March 1, 2024
Next Action Date:
April 15 - 19, 2024
Date Approved:
November 13-17, 2023
Date of Changes:
None
Overall Description:
A Liaison Statement from RAN3 to RAN2 addressing issues related to UE RACH-less handover during DU migration in mobile IAB.
Year:
2020
Region / City:
Global
Topic:
3GPP Change Request
Document Type:
Technical Specification
Organization:
3GPP
Author:
Qualcomm Incorporated, China Mobile, Samsung
Target Audience:
Technical professionals in telecommunications
Period of validity:
Indefinite
Approval Date:
06-08-2020
Date of changes:
Not specified
Year:
2020
Region / city:
Online
Topic:
IAB-MT migration and inter-donor connectivity
Document type:
Meeting report / Discussion paper
Organization:
3GPP TSG-RAN WG3
Author:
Qualcomm (moderator)
Participants:
Samsung, Huawei, Nokia, Google, AT&T, Intel, ZTE, CATT, LGE, Ericsson, KDDI, Fujitsu, Futurewei
Agenda item:
13.2.1
Deadlines:
Phase 1 – November 5, 23:59:59 UTC; Phase 2 – November 10, 13:00 UTC
Key focus:
General principles of IAB-MT migration, robustness, load balancing, and partial offloading
Year:
2020
Event:
3GPP TSG-RAN WG3 #112-e Online
Organization:
3GPP
Author/Source:
Qualcomm (moderator)
Topic:
IAB Inter-Donor Migration Principles and Procedures
Document Type:
Meeting Report / Technical Discussion Document
Agenda Item:
13.2.1
Discussion Period:
November 2–13, 2020
Chair:
QC (moderator)
Participants:
Samsung, Huawei, Nokia, Google, AT&T, Intel, ZTE, CATT, LGE, Ericsson, KDDI, Fujitsu, Futurewei
Phase Deadlines:
Phase 1 – Nov 5, 23:59:59 UTC; Phase 2 – Nov 10, 13:00 UTC
Key Focus:
Migration of IAB-MT between donors, robustness, load balancing, inter-donor redundancy, handover procedures, RLF recovery