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Meeting summary document of 3GPP RAN1 discussions presenting company proposals, evaluation parameters, and coordination steps for baseline NR coverage performance analysis in FR1 using link level simulations.
Year:
2020
Event:
3GPP TSG RAN WG1 Meeting #103-e
Meeting Format:
e-Meeting
Meeting Period:
October 26 – November 13, 2020
Agenda Item:
8.8.1.1
Document Number:
R1-200xxxx
Organization:
3GPP TSG RAN WG1
Source:
Moderator (SoftBank)
Topic:
NR coverage enhancement and baseline coverage performance for FR1
Technical Scope:
Link Level Simulation (LLS) evaluation assumptions and performance metrics
Related Work Items:
NR Coverage Enhancement (FR1)
Companies Referenced:
Vivo, Intel, ZTE, Apple, Ericsson, Sierra Wireless, InterDigital, OPPO, CATT, Nokia/NSB
Document Type:
Meeting summary and discussion report
Purpose:
Information
Technical Areas:
performance metrics, link budget assumptions, antenna gain correction factors, PUSCH and PUCCH configuration, simulation parameters
Communication Method:
email discussion checkpoints and GTW session guidance
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Year:
2022
Organization:
3GPP TSG-RAN WG4
Meeting type:
Electronic Meeting
Document type:
Information Summary
Source:
Qualcomm Incorporated
Participants:
Apple Inc., Nokia, Nokia Shanghai Bell, Ericsson, Huawei, HiSilicon
Agenda item:
9.15.10.2
Topic:
UE performance requirements for Rel-17 extension to 71GHz
Rounds of discussion:
1st round, 2nd round
Frequency range:
FR2-2
SCS/CBW combinations:
120 kHz, 480 kHz, 960 kHz SCS; CBW 100 MHz – 2000 MHz
Proposals and observations:
UE demodulation, channel models (TDL-A, TDL-D), Doppler and delay spread considerations, PDSCH/PDCCH/PBCH requirements
Meeting:
3GPP TSG-RAN WG4 Meeting #103-e
Document number:
R4-220xxxx
Meeting type:
Electronic Meeting
Dates:
May 09 – May 20, 2022
Agenda items:
8.24, 8.26
Source:
Moderator (China Telecom)
Document for:
Information
Topics:
NR Power Class 2 UE, Inter-band Carrier Aggregation, SUL configurations, Release 17
Related specifications:
TR 38.841, TS 38.101-1, TS 38.331
Companies involved:
AT&T, Verizon, Samsung, Huawei, HiSilicon, T-Mobile USA, MediaTek, ZTE, Nokia
Sub-topics:
Power Class Ambiguity; UE requirements for band combinations
Contributions referenced:
R4-2207722, R4-2207723, R4-2207724, R4-2207725, R4-2207935, R4-2207936, R4-2207937, R4-2207939, R4-2209182, R4-2209183, R4-2210005, R4-2210006, R4-2210007, R4-2210008, R4-2210009, R4-2210010, R4-2210011, R4-2207726
Contact information included:
Yes
Year:
2020
Meeting:
3GPP TSG RAN WG1 Meeting #103-e
Meeting Format:
e-meeting
Meeting Period:
October 26 – November 13, 2020
Document Number:
R1-2009397
Source:
Moderator (CATT)
Agenda Item:
8.5.3
Document Status:
Discussion and Decision
Related Discussion:
[103-e-NR-ePos-03] Email discussion/approval on potential positioning enhancements
Related Meeting:
RAN1#102-e
Topic:
Potential Positioning Enhancements in Rel-17
Scope:
DL and UL positioning reference signal enhancements and measurement improvements
Companies Involved:
Huawei, CATT, Intel, OPPO, Sony, Qualcomm, Ericsson
Standardization Context:
Rel-17 Study Item and normative work preparation
Terminology Defined:
Priority highlights and recommendation categories for TR preparation
Year:
2020
Event:
3GPP TSG RAN WG1 #103-e
Organization:
3rd Generation Partnership Project
Working Group:
RAN WG1
Agenda Item:
7.2.2
Document Type:
Technical meeting contribution summary
Source:
moderator (vivo)
Topic:
NR-NRU technical discussion on HARQ-ACK multiplexing and CG-DFI feedback mechanisms
Technical Specification Reference:
3GPP TS 38.213
Related Specification:
3GPP TS 38.212
Participating Companies:
OPPO, Intel, vivo, ZTE, Ericsson, Samsung, Qualcomm
Discussion Issues:
HARQ-ACK multiplexing clarification; HARQ-ACK feedback in CG-DFI for dynamic grant PUSCH; minimum DFI delay clarification
Technology Domain:
5G New Radio
Document Purpose:
Discussion and decision within RAN WG1 specification work
Year:
2022
Region / City:
Electronic Meeting
Topic:
5G NR Medium Access Control and RRM Enhancements
Document type:
Meeting summary
Organization:
3GPP TSG-RAN WG4
Author:
Moderator (MediaTek Inc.)
Target audience:
3GPP member companies, RAN engineers
Period covered:
09 – 20 May 2022
Agenda items:
AI 11.10.1, AI 11.10.2, AI 11.10.3, AI 11.10.4
Key participants:
MediaTek, Xiaomi, Apple, CMCC, Intel, CATT
Document status:
Summary of email discussions, tentative agreements, and open issues
Year:
2022
Region / city:
International
Subject:
NTN UE RF requirements and co-existence with terrestrial networks
Document type:
Meeting report
Organization:
3GPP TSG-RAN WG4
Author:
Moderator (ZTE)
Target audience:
3GPP members and contributors
Meeting period:
9 May – 20 May 2022
Agenda item:
9.12.5
Document references:
TS 38.101-5, TR 38.863
Companies involved:
Ligado Networks, CMCC, Qualcomm Incorporated, Ericsson, Skyworks Solutions Inc., Huawei, HiSilicon
Year:
2022
Region / City:
Toulouse, France
Topic:
5G NR and LTE technology
Document Type:
Meeting Report
Organization:
3GPP (Third Generation Partnership Project)
Author:
3GPP TSG-RAN WG4
Target Audience:
3GPP members, telecom engineers, RF specialists
Period of Validity:
May 2022
Approval Date:
2022-04-26
Date of Modifications:
None
Year:
2022
Organization:
3GPP TSG-RAN WG4
Meeting type:
Electronic Meeting
Region:
International
Topic:
NR inter-band Carrier Aggregation and Power Class 2 UE
Document type:
Discussion summary
Source:
Moderator (China Telecom)
Participants:
AT&T, Verizon, Samsung, Huawei, HiSilicon, T-Mobile USA, MediaTek, ZTE, Nokia, Vivo, OPPO, Skyworks, CHTTL
Agenda items:
8.24 High power UE (PC2) for NR inter-band CA with 2DL/2UL bands; 8.26 PC2 UE for NR inter-band CA and SUL with xDL/yUL bands
Submission:
Contributions, draft CRs, and proposals for UE power class and CA configurations
Purpose:
Information and discussion of technical proposals and open issues
Year:
2020
Region / City:
E-meeting
Theme:
Telecommunications
Document Type:
Technical Proposal
Author:
Huawei, HiSilicon
Target Audience:
Industry professionals in telecommunications
Period of validity:
August 17th – 28th, 2020
Approval Date:
Not specified
Modification Date:
Not specified
Note:
Context
Document Type:
Meeting Report
Organization:
3GPP TSG RAN WG1
Date:
August 17–28, 2020
Reference ID:
R1-200abcd
Scope:
CSI enhancements for MTRP and FR1 FDD reciprocity
Frequency Range:
FR1
Duplex Mode:
FDD
Scenario:
Dense Urban Macro
Antenna Configuration:
gNB 16–32 ports, UE 2–4 RX
Evaluation Metrics:
Throughput and CSI feedback overhead
MIMO Scheme:
SU-MIMO / MU-MIMO with rank adaptation
Channel Modeling:
FDD DL/UL reciprocity, Options 1 and 2
Companies Participating:
19 companies including VIVO, Samsung, Ericsson, Nokia, Apple, Huawei/HiSi
Year:
2020
Region / city:
E-meeting
Topic:
CSI enhancements for MTRP and FR1 FDD reciprocity
Document Type:
Technical Report
Organization / institution:
Huawei, HiSilicon
Author:
Not specified
Target audience:
Industry professionals, technical experts
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Note:
Context
Year:
2025
Region / City:
Dallas, US
Subject:
Change Request
Document Type:
Technical Specification
Organization / Institution:
3GPP
Author:
China Telecom
Target Audience:
TSG RAN Working Group 4
Effective Period:
October 2025 - November 2025
Approval Date:
2025-11-05
Release:
Rel-19
Change Category:
B (addition of feature)
Work Item Code:
NR_Mob_Ph4-Perf
Date of Change Request:
2025-11-05
Year:
2020
Region / City:
E-meeting
Topic:
CSI enhancements, MTRP, FDD reciprocity
Document Type:
Technical Discussion Summary
Organization:
Huawei, HiSilicon
Author:
Not specified
Target Audience:
3GPP TSG RAN WG1 members
Effective Period:
August 17th – 28th, 2020
Approval Date:
Not specified
Modification Date:
Not specified
Evaluation Assumptions:
MTRP, FR1 FDD reciprocity, CSI reporting for DL multi-TRP/panel transmission
Frequency Range:
FR1, 2GHz, optional for 4GHz
Antenna Setup:
Various configurations for gNB and UE
Traffic Model:
FTP model 1, packet size 0.5 Mbytes
Simulation Bandwidth:
20 MHz for 15kHz
MIMO Scheme:
SU/MU-MIMO with rank adaptation
Feedback Assumption:
Periodic CSI feedback
Overhead Assumption:
DNL overhead for CSI
UE Distribution:
80% indoor, 20% outdoor
CSI Feedback Periodicity:
5ms
SRS Modeling:
5ms/10ms periodicity
Evaluation Metric:
Throughput and CSI feedback overhead
Baseline:
Rel-16 PS eTypeII Codebook
SRS Configuration:
Configuration details for different models
FDD DL/UL Calibration:
Ongoing discussions on error model
Channel Modeling:
Discussion on FDD reciprocity models
Context Description:
Technical discussion on CSI enhancements for FDD reciprocity, focusing on MTRP and FR1 with contributions from various companies.
Year:
2022
Region / City:
Global
Theme:
Telecommunications, 5G
Document Type:
Meeting Report
Organization:
3GPP TSG-RAN4
Author:
Not specified
Target Audience:
Technical experts, industry professionals
Period of Action:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Organization:
3GPP
Working Group:
RAN WG4
Meeting:
RAN WG4 Meeting #98-e
Meeting format:
Electronic meeting
Meeting date:
2021-01-25 – 2021-02-05
Document type:
Change Request
CR number:
R4-2103567
Specification:
38.133
Current version:
16.6.0
Release:
Rel-16
Category:
B (addition of feature)
Title:
DraftCR on EN-DC NR SpCell in FR1 and 2 NR SCells in FR2 for Dormant SCell switch via DCI 2_6 within and after 3 OFDM symbols
Source to WG:
Qualcomm Incorporated
Source to TSG:
R4
Work item code:
LTE_NR_DC_CA_enh-Perf
Date:
2021-01-25
Affected clauses:
A.5.5.x.y
Affected specifications:
TS38.533, TS36.133
Related technology:
EN-DC, NR FR1, NR FR2, E-UTRA
Test scenario:
EN-DC configuration with one E-UTRA PCell, one NR FR1 PSCell, and three NR FR2 SCells
Purpose:
Verification of dormant BWP switch delay and interruption requirements
Year:
2022
Region / City:
N/A
Topic:
Wireless Communication
Document Type:
Meeting Document
Organization:
3GPP TSG-RAN4
Author:
N/A
Target Audience:
Technical Experts in Wireless Communications
Action:
Approval
Period of Effectiveness:
N/A
Approval Date:
N/A
Date of Changes:
N/A
References:
38.101-1, R4-2205610, R4-220xxxx
Year:
2021
Region / City:
International / Remote electronic meeting
Subject:
5G NR UE RF and MIMO enhancements
Document type:
Meeting summary
Organization:
3GPP TSG-RAN WG4
Authors:
Huawei, HiSilicon, ZTE, CMCC, OPPO, Apple, Nokia
Agenda items:
12.2.1, 12.2.2.1, 12.2.2.4
Period:
Jan 25 – Feb 5, 2021
Status:
Information
Topics:
Work plan for Rel-17 FR1 UE RF enhancement, UL MIMO configuration for SUL bands, intra-band contiguous UL CA PC2, 4×4 DL MIMO for CA_n77
Year:
2021
Date:
2021-02-02
Organization:
3rd Generation Partnership Project
Technical Group:
TSG RAN WG4
Meeting:
RAN WG4 Meeting #98-e
Document Type:
Change Request
Specification:
3GPP TS 38.101-4
Current Specification Version:
16.3.0
Release:
Rel-16
CR Number:
0131
Revision:
1
Category:
B (addition of feature)
Source to WG:
CMCC
Source to TSG:
R4
Work Item Code:
NR_UE_pow_sav-Perf
Affected Clauses:
5.3.2.2.3 (New); 5.3.3.2.3 (New)
Affected Specifications:
TS38.521-4
Technical Domain:
Radio Access Network
Subject:
Demodulation performance requirements for power saving UE in FR1 TDD using PDCCH DCI format 2_6
Test Scope:
FR1 TDD PDCCH monitoring and demodulation performance during DRX operation
Year:
2021
Region:
Global
Topic:
Telecommunications, 5G NR
Document Type:
Change Request
Organization:
3GPP TSG-RAN WG4
Author:
MediaTek
Target Audience:
Network equipment manufacturers, test engineers
Work Item Code:
NR_UE_pow_sav-Perf
Release:
Rel-16
Category:
B (addition of feature)
Date Submitted:
2021-01-15
Affected Sections:
5.3.2.1.3, 5.3.3.1.3
Related Specifications:
TS38.101-4, TS38.521-4
Change Purpose:
Define demodulation performance requirements for power saving UE
Revision History:
Revised from draft CR R4-2102086
Year:
2026
Date:
2026-01-29
Meeting:
3GPP TSG-RAN4 Meeting #118
Meeting location:
Gothenburg Metropolitan Area, Sweden
Meeting dates:
9–13 February 2026
Specification:
3GPP TS 38.133
Current specification version:
19.3.0
Release:
Rel-19
Change Request number:
R4-2600559
Category:
B (addition of feature)
Work item code:
NR_Mob_Ph4-Perf
Source to Working Group:
Apple
Source to TSG:
R4
Technical domain:
Radio Access Network
Affected clauses:
New section A.7.7.15.2
Related test specification:
TS 38.533
Technology:
5G NR
Subject:
CSI-RS based L1-RSRP measurement accuracy for neighbour cells
Frequency range:
FR2
Measurement type:
CSI-RS based L1-RSRP
Test configuration:
NR cells with periodic reporting and CSI-RS measurements
Test environment:
AWGN propagation conditions with TDD configuration
Document type:
Technical change request