№ lp_2_1_16157
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Summary of email exchanges and proposals on user equipment demodulation performance, channel models, and frequency configurations in Rel-17 extension for 71GHz, collected as an information source from multiple company contributions during the WG4 electronic meeting.
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
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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:
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
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:
2025
Location:
Dallas, USA
Subject:
6G radio demodulation
Document type:
Meeting summary / Technical contributions
Organization:
3GPP TSG-RAN WG4
Author:
Feature Lead (MediaTek inc.)
Audience:
RAN4 participants and 3GPP members
Event date:
17–21 November 2025
Agenda item:
8.1
Source companies:
Qualcomm, China Telecom
Proposals count:
16
Observation count:
14
Summarized topics:
Channel models, TxEVM and SNR, Receiver assumptions, Interference modelling, Performance testing, UE classification, Uplink demodulation
Year:
2022
Region / city:
Electronic Meeting
Topic:
Wireless communication, 5G
Document type:
Meeting document
Organization:
Qualcomm Incorporated
Audience:
3GPP TSG-RAN WG4 participants
Period of validity:
May 09 - 20, 2022
Approval date:
Not specified
Date of changes:
Not specified
Note:
Context
Year:
2023
Location:
Xiamen, CN
Topic:
NR FR2 Multi-RX Downlink Demodulation
Document Type:
Meeting Report / Technical Summary
Organization:
3GPP TSG-RAN WG4
Authors:
Qualcomm (Moderator), Apple, Nokia, Huawei, HiSilicon, MediaTek
Audience:
3GPP members, industry engineers
Agenda Item:
5.7.4
Document Number:
R4-231xxxx
Period Covered:
Oct 9–13, 2023
Status:
Discussion ongoing, initial evaluation for performance requirements
Year:
2025
Region / City:
Dallas, USA
Subject:
UE demodulation and NR-CA scenarios
Document Type:
Meeting report
Organization:
3GPP TSG-RAN WG4
Authors:
Ericsson, Qualcomm, Huawei, Nokia
Target Audience:
3GPP members and contributing companies
Period:
November 17 – November 21, 2025
Agenda Items:
6.2.1
Topics:
Simulation assumptions, antenna connection rules, CR work split, PDSCH demodulation requirements
Simulation Results:
Included for UE demodulation requirements
Clause References:
5.1.1.x, 5.2A.3.x, A.3.2.2.2
Source:
Ericsson
Year:
2023
Region / City:
Not specified
Topic:
Frequency Shift Keying (FSK), Phase Locked Loop (PLL), Modulation, Demodulation
Document Type:
Application Report
Organization / Institution:
Not specified
Author:
Mahendra Patel
Target Audience:
Engineers, researchers, and technicians in telecommunications and signal processing
Period of validity:
Not specified
Approval Date:
Not specified
Date of changes:
Not specified
Year:
2026
Location:
Gothenburg, Sweden
Document type:
Change Request
Work item code:
NR_LPWUS-Perf
Source to WG:
Qualcomm
Source to TSG:
R4
Release:
Rel-19
Category:
B (addition of feature)
Affected clauses:
3.1, 5.1.1.3, 7.1.1.3, 5.X (new clause), 7.7 (new clause), A3.X (new clause)
Test specifications affected:
TS38.521-4
Other core specifications affected:
Yes
Purpose:
Define demodulation performance requirements for NR LP-WUS
Revision history included:
Yes
Year:
2026
City:
Gothenburg
Country:
Sweden
Organization:
3GPP TSG-RAN Working Group 4
Meeting:
TSG-RAN WG4 Meeting #118
Agenda item:
6.22
Topic ID:
311
Topic title:
Rel-19 Demod_Part1_duplex_NTN
Work items:
NR_duplex_evo-Perf; NR_NTN_Ph3-Perf
Technical areas:
SBFD demodulation; NTN demodulation
Document type:
Technical meeting topic summary
Source:
Moderator (Samsung)
Contributing companies:
ZTE Corporation; Sanechips; Huawei; HiSilicon; Ericsson; Samsung; Nokia
Technical specifications referenced:
3GPP TS 38.104; 3GPP TS 38.141-1; 3GPP TS 38.141-2; 3GPP TS 38.211; 3GPP TS 38.212
Related references:
R4-2523110; RP-241614; RP-243300
Technology:
5G NR
Focus topics:
SBFD demodulation requirements; PUSCH performance with UL muting; SBFD-capable base stations; NTN uplink capacity and RedCap UE support
Release:
3GPP Release 19
Audience:
3GPP RAN4 participants and telecom equipment vendors
Year:
2023
City:
Toulouse
Country:
France
Meeting:
3GPP TSG-RAN WG4 Meeting #108
Agenda item:
8.18.1
Topic:
NR_demod_enh3_Part1 – Advanced Receiver for MU-MIMO
Technical field:
5G NR radio access network standardization
Document type:
Technical meeting contribution summary
Organization:
3GPP TSG-RAN WG4
Moderator / Source:
China Telecom
Contributing companies:
China Telecom; Apple; ZTE Corporation; Nokia; Nokia Shanghai Bell
Work item:
Rel-18 NR demodulation requirement evolution
Content focus:
Reference receiver selection, R-ML receiver assumptions, blind detection complexity, RRC signaling proposals, UE capability signaling, MU-MIMO demodulation performance evaluation
Target audience:
RAN4 participants and technical contributors involved in 5G NR standardization
Date of meeting:
August 21–25, 2023
Purpose:
Information
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Document type:
Change Request
Organization:
3GPP TSG-RAN4
Author:
Nokia
Work item code:
NonCol_intraB_ENDC_NR_CA_Ph2-Perf
Release:
Rel-19
Category:
B
Date submitted:
2026-02-12
Clauses affected:
5.1.1.3, 5.1.1.7.3, 5.2A.3.6, A.3.2.2.2
Source to WG:
Nokia
Source to TSG:
R4
Summary:
Introduces PDSCH demodulation requirements for UE Type 4 in intra-band non-collocated EN-DC/NR-CA Phase 2 and specifies minimum and reference measurement conditions for non-colocated scenarios.
Year:
2021
Region / City:
Global
Topic:
Telecommunications, 5G Standards
Document Type:
Change Request
Organization / Institution:
3GPP
Author:
CATT
Target Audience:
Technical experts in telecommunications
Period of Validity:
Undefined
Approval Date:
2021-01-05
Change Date:
2021-01-05
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