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This document is a meeting summary addressing technical discussions on Rel-17 Multi-Beam maintenance, focusing on features and proposals related to unified TCI framework, beam management, and signaling enhancements for intra-cell and inter-cell scenarios.
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
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Year:
2021
Region / city:
e-Meeting
Topic:
5G, Beamforming, TCI, Path-Loss Measurement
Document type:
Meeting summary
Organization / institution:
3GPP TSG RAN WG1
Author:
Samsung
Target audience:
3GPP members, companies involved in 5G technology development
Period of validity:
N/A
Approval date:
April 12th – 20th, 2021
Date of amendments:
N/A
Organization:
3rd Generation Partnership Project (3GPP)
Group:
TSG RAN WG1
Meeting:
#102-e e-Meeting
Document Number:
R1-2007151
Agenda Item:
8.1.1
Source:
Moderator (Samsung)
Company:
Samsung
Title:
Moderator summary for multi-beam enhancement: EVM
Work Item:
Rel.17 NR FeMIMO
Frequency Range:
FR2 @ 30 GHz (baseline), applicable also to FR1
Simulation Type:
SLS (baseline), optional LLS
Scenarios:
Dense Urban, High Speed Train, Indoor
Channel Model References:
TR 38.802, TR 38.913, TR 38.901
Performance Metrics:
UE throughput CDF, average and 5% throughput, TCI state update signaling overhead, beam switching latency, RSRP distribution
Traffic Model:
Full buffer
UE Configuration:
Multi-panel UE (3 panels: left, right, back)
Antenna Configuration:
BS (4,8,2,2,2); UE (1,4,2)
Transmission Scheme:
Multi-antenna port transmission
Link Adaptation:
Based on CSI-RS
Intended Purpose:
Discussion and Decision
Year:
2022
Region / City:
Toulouse, France
Topic:
Maintenance on Rel-17 Multi-Beam
Document Type:
Summary Report
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (ZTE)
Target Audience:
3GPP TSG RAN WG1 participants
Period of validity:
August 22nd – 26th, 2022
Approval Date:
August 2022
Date of changes:
N/A
Note:
Context
Year:
2020
Region / City:
Global
Topic:
Multi-beam enhancement for FR1 and FR2
Document type:
Summary Report
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (Samsung)
Target audience:
Companies and experts in the telecommunications industry
Effective period:
October 26th – November 13th, 2020
Approval date:
October 26th, 2020
Modification date:
November 13th, 2020
Note:
Context description
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:
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
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:
2023
Region / City:
Chicago, USA
Theme:
Reduced Capability (RedCap) NR devices
Document Type:
Meeting Document
Organization / Institution:
3GPP TSG-RAN WG1
Author:
Moderator (Ericsson)
Target Audience:
Technical participants in the 3GPP RAN working group
Period of Validity:
November 2023
Approval Date:
13th November 2023
Modification Date:
Not specified
Contextual description:
This is a technical summary of discussions and contributions related to the Rel-17 RedCap maintenance work item in the 3GPP RAN1 meeting.
Year:
2021
Organization:
3GPP
Meeting:
TSG-SA5 Meeting #140-e
Specification:
TS 28.541
Release:
Rel-17
Document type:
Change Request
CR number:
0634
Category:
F (correction)
Current version:
17.4.0
Work item code:
adNRM
Date:
2021-11-04
Source to WG:
Nokia; Nokia Shanghai Bell
Source to TSG:
S5
Affected area:
Core Network; Radio Access Network
Clauses affected:
D.4.3
Reason for change:
Wrong attribute listed in IOC NRCellRelation (nRFrequencyRef instead of nRFreqRelationRef)
Summary of change:
Correction of the attribute name in the OpenAPI definition of IOC NRCellRelation with editorial updates
Consequences if not approved:
Misalignment between stage 2 and stage 3
Related specification:
OpenAPI 3.0.1 NR NRM (nrNrm.yaml)
Year:
2021
Note:
Region / City
Topic:
HARQ-ACK feedback enhancements, NR Rel-17, URLLC, IIoT
Document type:
Meeting Summary
Organ / Institution:
3GPP TSG-RAN WG1
Author:
Moderator (Nokia)
Target Audience:
Industry experts, engineers, companies involved in NR Rel-17 and URLLC/IIoT development
Year:
2021
Organization:
3GPP
Technical Group:
TSG RAN WG1
Release:
Rel-17
Meeting:
RAN WG1 #105-e e-Meeting
Meeting period:
May 10–27, 2021
Agenda item:
5.1
Source:
Moderator (China Telecom)
Document type:
Technical meeting contribution
Document purpose:
Discussion
Subject area:
NR uplink transmission, Tx switching, FR1
Related specifications:
TS 38.214
Scope limitations:
Co-located and synchronized network deployment; single TAG for UL carriers
Contributors:
China Telecom, CATT, Qualcomm, vivo, OPPO, ZTE, Huawei, HiSilicon, CMCC
Checkpoints:
May 21, May 25, May 27, 2021
Year:
2020
Region / City:
E-meeting
Topic:
CSI enhancements for Rel-17
Document Type:
Meeting Discussion and Proposal
Organization / Institution:
3GPP TSG RAN WG1
Author:
Huawei, HiSilicon
Target Audience:
3GPP participants and related stakeholders
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2021
Region / city:
Global
Topic:
eDRX cycle length for RedCap devices
Document type:
Technical discussion summary
Organization:
3GPP TSG-RAN WG2
Author:
Ericsson
Target audience:
Telecommunications companies and network engineers
Period of validity:
N/A
Approval date:
N/A
Amendment date:
N/A
Organization:
3GPP TSG-CT WG1
Meeting:
#133-bis-e
Document number:
Rev_C1-220272E-meeting
Specification:
3GPP TS 27.007
CR number:
0759
Revision:
1
Current version:
17.4.0
Release:
Rel-17
Category:
B (addition of feature)
Work item code:
MUSIM
Source to WG:
Apple
Source to TSG:
C1
Date:
2022/01/08
Affected clauses:
10.1.X (New Clause), Annex B
Affected areas:
ME, Core Network, Test specifications, O&M Specifications
Implementation status:
Optional
Pause of Charging upon the failure of user plane path (3GPP TS 23.527 CR 0040, Rel-17, January 2022)
Specification:
3GPP TS 23.527
Change Request:
CR 0040
Current version:
17.2.0
Release:
Rel-17
Meeting:
3GPP TSG-CT WG4 Meeting #107-bis-e
Meeting date:
17th – 21st January 2022
CR date:
2022-01-07
Category:
B (addition of feature)
Source to WG:
Ericsson
Source to TSG:
CT4
Work item code:
TEI17, SPOCUP
Affected clause:
5.4
Affected domain:
Core Network
Related specifications:
3GPP TS 29.244; 3GPP TS 23.502; 3GPP TR 21.900
Subject:
Restoration procedures upon user plane path failure towards 5G-AN and Pause of Charging
Network functions involved:
SMF, I/V-SMF, UPF, I/V-UPF
Technical scope:
PFCP session handling, PDU session context management, GTP-U path failure handling, charging control
Standardization body:
3rd Generation Partnership Project (3GPP)
Year:
2021
Organization:
3GPP TSG RAN WG1
Author:
Samsung
Document type:
Draft Change Request
Work item code:
NR_IIOT_URLLC_enh-Core
Release:
Rel-17
Category:
B (addition of feature)
Date submitted:
2021-11-29
Clauses affected:
3.3, 7.2, 9, 9.A, 9.1.2, 9.1.2.1, 9.1.4, 9.1.5, 9.2.3, 9.2.4, 9.2.5, 9.2.5.3, 9.2.5.4, 9.2.6, 9.3, 11.3
Related specifications:
TS 38.211, TS 38.212, TS 38.214
Meeting:
3GPP TSG-RAN WG1 Meeting #110
Document number:
R1-22XXXXX
Agenda item:
8.3
Source:
Moderator (Nokia)
Location:
Toulouse, France
Meeting dates:
22–26 August 2022
Title reference:
Maintenance of HARQ-ACK feedback enhancements for NR Rel-17 URLLC/IIoT
Document purpose:
Discussion and Decision
Related specifications:
3GPP TS 38.212, 3GPP TS 38.213, 3GPP TS 38.331
Companies involved:
Nokia, Huawei, HiSilicon
Topic:
DCI field size definition and RRC parameter configuration for secondary PUCCH group
Release:
NR Release 17
Technical scope:
HARQ-ACK retransmission and Enhanced Type 3 codebook configuration
Working item:
NR_IIOT_URLLC_enh
Type of document:
Meeting summary and technical discussion paper
Specification number:
38.214
Current version:
17.0.0
Meeting:
3GPP TSG-RAN WG1 Meeting #108-e
Meeting type:
Electronic Meeting
Meeting dates:
February 21st – March 3rd, 2022
Document number:
R1-22xxxxx
Form version:
CR-Form-v12.1
Title:
Corrections on NR Sidelink enhancements
Source to WG:
Nokia
Work item code:
NR_SL_enh-Core
Date:
2022-03-09
Category:
F (correction)
Release:
Rel-17
Affected clauses:
8.1, 8.1.4, 8.1.4A, 8.1.4C, 8.1.5, 8.1.5A
Proposed change affects:
ME, Radio Access Network
Related specifications:
TS 38.211, TS 38.212
Reason for change:
Corrections on NR Sidelink enhancements
Consequences if not approved:
Incomplete support of NR Sidelink enhancements
Year:
2022
Region / City:
Toulouse, France
Topic:
Maintenance on Rel-17 Multi-Beam
Document Type:
Summary Report
Organization / Institution:
3GPP TSG RAN WG1
Author:
Moderator (ZTE)
Target Audience:
3GPP TSG RAN WG1 participants
Period of validity:
August 22nd – 26th, 2022
Approval Date:
August 2022
Date of changes:
N/A
Note:
Context